diff options
Diffstat (limited to 'erts')
137 files changed, 13784 insertions, 1850 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 46b30a16b3..c51c26794a 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -74,6 +74,19 @@ AC_ARG_VAR(erl_xcomp_clock_gettime_cpu_time, [clock_gettime() can be used for re AC_ARG_VAR(erl_xcomp_after_morecore_hook, [__after_morecore_hook can track malloc()s core memory usage: yes|no (only used when cross compiling)]) AC_ARG_VAR(erl_xcomp_dlsym_brk_wrappers, [dlsym(RTLD_NEXT, _) brk wrappers can track malloc()s core memory usage: yes|no (only used when cross compiling)]) +dnl Cross compilation variables for OSE +AC_ARG_VAR(erl_xcomp_ose_ldflags_pass1, [Linker flags for the OSE module (pass 1) (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_ldflags_pass2, [Linker flags for the OSE module (pass 2) (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_OSEROOT, [OSE installation root directory (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_STRIP, [Strip utility shipped with the OSE distribution(only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_LM_POST_LINK, [OSE postlink tool (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_LM_SET_CONF, [Sets the configuration for an OSE load module (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_LM_ELF_SIZE, [Prints the section size information for an OSE load module (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_LM_LCF, [OSE load module linker configuration file (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_LM_CONF, [OSE load module default configuration file (only used when cross compiling for OSE)]) +AC_ARG_VAR(erl_xcomp_ose_CONFD, [OSE OSE confd source file]) +AC_ARG_VAR(erl_xcomp_ose_CRT0_LM, [OSE crt0 lm source file]) + ]) AC_DEFUN(ERL_XCOMP_SYSROOT_INIT, @@ -488,6 +501,8 @@ AC_CACHE_VAL(ac_cv_sys_ipv6_support, #ifdef __WIN32__ #include <winsock2.h> #include <ws2tcpip.h> +#elif __OSE__ +#error "no ipv6" #else #include <netinet/in.h> #endif], @@ -500,6 +515,8 @@ else #ifdef __WIN32__ #include <winsock2.h> #include <ws2tcpip.h> +#elif __OSE__ +#error "no ipv6" #else #include <netinet/in.h> #endif], @@ -728,6 +745,12 @@ if test "X$host_os" = "Xwin32"; then THR_LIBS= THR_LIB_NAME=win32_threads THR_LIB_TYPE=win32_threads +elif test "X$host_os" = "Xose"; then + AC_MSG_RESULT(yes) + THR_DEFS="-DOSE_THREADS" + THR_LIBS= + THR_LIB_NAME=ose_threads + THR_LIB_TYPE=ose_threads else AC_MSG_RESULT(no) THR_DEFS= @@ -1078,9 +1101,22 @@ case "$THR_LIB_NAME" in test "$ethr_have_native_atomics" = "yes" && ethr_have_native_spinlock=yes ;; - pthread) - ETHR_THR_LIB_BASE_DIR=pthread - AC_DEFINE(ETHR_PTHREADS, 1, [Define if you have pthreads]) + pthread|ose_threads) + case "$THR_LIB_NAME" in + pthread) + ETHR_THR_LIB_BASE_DIR=pthread + AC_DEFINE(ETHR_PTHREADS, 1, [Define if you have pthreads]) + ;; + ose_threads) + AC_DEFINE(ETHR_OSE_THREADS, 1, + [Define if you have OSE style threads]) + ETHR_THR_LIB_BASE_DIR=ose + AC_CHECK_HEADER(ose_spi/ose_spi.h, + AC_DEFINE(HAVE_OSE_SPI_H, 1, + [Define if you have the "ose_spi/ose_spi.h" header file.])) + ;; + esac + if test "x$THR_LIB_NAME" == "xpthread"; then case $host_os in openbsd*) # The default stack size is insufficient for our needs @@ -1139,6 +1175,7 @@ case "$THR_LIB_NAME" in *) ;; esac + fi dnl We sometimes need ETHR_DEFS in order to find certain headers dnl (at least for pthread.h on osf1). saved_cppflags="$CPPFLAGS" @@ -1151,7 +1188,6 @@ case "$THR_LIB_NAME" in dnl dnl Check for headers dnl - AC_CHECK_HEADER(pthread.h, \ AC_DEFINE(ETHR_HAVE_PTHREAD_H, 1, \ [Define if you have the <pthread.h> header file.])) @@ -1184,7 +1220,7 @@ case "$THR_LIB_NAME" in dnl dnl Check for functions dnl - + if test "x$THR_LIB_NAME" == "xpthread"; then AC_CHECK_FUNC(pthread_spin_lock, \ [ethr_have_native_spinlock=yes \ AC_DEFINE(ETHR_HAVE_PTHREAD_SPIN_LOCK, 1, \ @@ -1311,6 +1347,8 @@ case "$THR_LIB_NAME" in AC_MSG_RESULT([$linux_futex]) test $linux_futex = yes && AC_DEFINE(ETHR_HAVE_LINUX_FUTEX, 1, [Define if you have a linux futex implementation.]) + fi + AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) diff --git a/erts/configure.in b/erts/configure.in index 8d245252b5..408c00c9e9 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -347,6 +347,25 @@ AS_HELP_STRING([--enable-clock-gettime], *) clock_gettime_correction=yes ;; esac ], clock_gettime_correction=unknown) +AC_ARG_WITH(assumed-cache-line-size, +AS_HELP_STRING([--with-assumed-cache-line-size=SIZE], + [specify assumed cache line size in bytes (valid values are powers of two between and including 16 and 8192; default is 64)])) + +dnl Require the assumed cache-line size to be a power of two between 16 and 8192 +case "$with_assumed_cache_line_size" in + ""|no|yes) + with_assumed_cache_line_size=64;; + 16|32|64|128|256|512|1024|2048|4096|8192) + ;; + *) + AC_MSG_ERROR([Invalid assumed cache-line size of $with_assumed_cache_line_size bytes]) + ;; +esac + +AC_DEFINE_UNQUOTED(ASSUMED_CACHE_LINE_SIZE, + $with_assumed_cache_line_size, + [Assumed cache-line size (in bytes)]) + dnl Magic test for clearcase. OTP_RELEASE= if test "${ERLANG_COMMERCIAL_BUILD}" != ""; then @@ -357,6 +376,16 @@ else fi AC_SUBST(OTP_RELEASE) +AC_MSG_CHECKING([OTP release]) +[SYSTEM_VSN=`cat $ERL_TOP/OTP_VERSION | sed "s|\([0-9]*\).*|\1|"`] +AC_MSG_RESULT([$SYSTEM_VSN]) +AC_SUBST(SYSTEM_VSN) + +AC_MSG_CHECKING([OTP version]) +[OTP_VERSION=`cat $ERL_TOP/OTP_VERSION`] +AC_MSG_RESULT([$OTP_VERSION]) +AC_SUBST(OTP_VERSION) + dnl OK, we might have darwin switches off different kinds, lets dnl check it all before continuing. TMPSYS=`uname -s`-`uname -m` @@ -426,6 +455,17 @@ AS_HELP_STRING([--enable-static-drivers], [comma seperated list of linked-in dri STATIC_DRIVERS=no) AC_SUBST(STATIC_DRIVERS) +AC_ARG_WITH(ets-write-concurrency-locks, + AS_HELP_STRING([--with-ets-write-concurrency-locks={8,16,32,64,128,256}], + [specify how many locks the write_concurrency option for ets should use.]) + AS_HELP_STRING([--without-ets-write-concurrency-locks], + [use the default number of write_concurrency locks (default)])) + +if test X"$with_ets_write_concurrency_locks" != X""; then + AC_DEFINE_UNQUOTED(ERTS_DB_HASH_LOCK_CNT,$with_ets_write_concurrency_locks, + [Define to override the default number of write_concurrency locks]) +fi + dnl ---------------------------------------------------------------------- dnl Checks for programs. dnl ---------------------------------------------------------------------- @@ -905,7 +945,10 @@ dnl what the user say. This might not be the right way to do it, but dnl for now that is the way we do it. USER_LD=$LD USER_LDFLAGS="$LDFLAGS" -LD='$(CC)' +case $host in + *ose) ;; + *) LD='$(CC)' ;; +esac AC_SUBST(LD) LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" @@ -916,12 +959,15 @@ dnl AC_CYGWIN is deprecated AC_EXEEXT AC_OBJEXT -dnl This is the os flavour, should be unix, vxworks or win32 -if test "X$host" = "Xwin32"; then - ERLANG_OSTYPE=win32 -else - ERLANG_OSTYPE=unix -fi +dnl This is the os flavour, should be unix, ose, vxworks or win32 +case $host in + win32) + ERLANG_OSTYPE=win32 ;; + *ose) + ERLANG_OSTYPE=ose ;; + *) + ERLANG_OSTYPE=unix ;; +esac AC_SUBST(ERLANG_OSTYPE) @@ -1206,7 +1252,7 @@ case "$enable_threads"-"$found_threads" in AC_MSG_RESULT(yes; enabled by user) ;; unknown-yes) case $host_os in - solaris*|linux*|darwin*|win32) + solaris*|linux*|darwin*|win32|ose) emu_threads=yes AC_MSG_RESULT(yes; default on this platform) ;; @@ -1233,6 +1279,7 @@ if test $emu_threads != yes; then AC_MSG_CHECKING(whether dirty schedulers should be enabled) if test "x$enable_dirty_schedulers" != "xno"; then AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) @@ -1261,6 +1308,7 @@ else EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_DIRTY_SCHEDULERS" AC_DEFINE(ERTS_DIRTY_SCHEDULERS, 1, [Define if the emulator supports dirty schedulers]) AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) @@ -1286,7 +1334,7 @@ else enable_child_waiter_thread=no fi ;; - win32) + win32|ose) # Child waiter thread cannot be enabled disable_child_waiter_thread=yes enable_child_waiter_thread=no @@ -2018,7 +2066,7 @@ AC_CHECK_FUNCS([getipnodebyname getipnodebyaddr gethostbyname2]) AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlopen \ pread pwrite memmove strerror strerror_r strncasecmp \ gethrtime localtime_r gmtime_r inet_pton \ - mmap mremap memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \ + memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \ flockfile fstat strlcpy strlcat setsid posix2time time2posix \ setlocale nl_langinfo poll mlockall]) @@ -2059,6 +2107,17 @@ case $host_os in AC_CHECK_FUNCS([writev]) ;; esac +case $host_os in + *ose) + AC_MSG_CHECKING([for mmap]) + AC_MSG_RESULT(not using for OSE) + AC_MSG_CHECKING([for mremap]) + AC_MSG_RESULT(not using for OSE) ;; + *) + AC_CHECK_FUNCS([mmap mremap]) ;; +esac + + AC_CHECK_DECLS([posix2time, time2posix],,,[#include <time.h>]) disable_vfork=false @@ -2767,6 +2826,11 @@ esac if test X${enable_fp_exceptions} = Xauto ; then case $host_os in + *linux*) + enable_fp_exceptions=no + AC_MSG_NOTICE([Floating point exceptions disabled by default on Linux]) ;; + *) + ;; darwin*) enable_fp_exceptions=no AC_MSG_NOTICE([Floating point exceptions disabled by default on MacOS X]) ;; @@ -3848,28 +3912,26 @@ esac if test "$enable_dtrace_test" = "yes" ; then if test "$DTRACE" = "dtrace" ; then AC_CHECK_HEADERS(sys/sdt.h) + AC_MSG_CHECKING([for 1-stage DTrace precompilation]) # The OS X version of dtrace prints a spurious line here. if ! dtrace -h $DTRACE_CPP -Iemulator/beam -o ./foo-dtrace.h -s emulator/beam/erlang_dtrace.d; then AC_MSG_ERROR([Could not precompile erlang_dtrace.d: dtrace -h failed]) fi + AC_MSG_RESULT([yes]) - $RM -f dtest.{o,c} - cat > dtest.c <<_DTEST - #include "foo-dtrace.h" - int main(void) { ERLANG_DIST_PORT_BUSY_ENABLED(); return 0; } -_DTEST - $CC $CFLAGS -c -o dtest.o dtest.c - - $RM -f $DTRACE_2STEP_TEST - if dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d dtest.o && \ - test -f $DTRACE_2STEP_TEST ; then - rm $DTRACE_2STEP_TEST + AC_MSG_CHECKING([for 2-stage DTrace precompilation]) + AC_TRY_COMPILE([ #include "foo-dtrace.h" ], + [ERLANG_DIST_PORT_BUSY_ENABLED();], + [$RM -f $DTRACE_2STEP_TEST + dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d conftest.$OBJEXT 2>&AS_MESSAGE_LOG_FD + if test -f $DTRACE_2STEP_TEST; then + rm $DTRACE_2STEP_TEST DTRACE_ENABLED_2STEP=yes - AC_MSG_NOTICE([dtrace precompilation for 2-stage DTrace successful]) - else - AC_MSG_NOTICE([dtrace precompilation for 1-stage DTrace successful]) - fi - $RM -f dtest.{o,c} foo-dtrace.h + fi], + []) + AS_IF([test "x$DTRACE_ENABLED_2STEP" = "xyes"], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) DTRACE_ENABLED=yes case $OPSYS in @@ -3912,7 +3974,7 @@ AC_SUBST(STATIC_KERBEROS_LIBS) AC_SUBST(SSL_LINK_WITH_ZLIB) AC_SUBST(STATIC_ZLIB_LIBS) -std_ssl_locations="/usr/local /usr/sfw /usr /opt/local /usr/pkg /usr/local/openssl /usr/lib/openssl /usr/openssl /usr/local/ssl /usr/lib/ssl /usr/ssl" +std_ssl_locations="/usr/local /usr/sfw /usr /opt/local /usr/pkg /usr/local/openssl /usr/lib/openssl /usr/openssl /usr/local/ssl /usr/lib/ssl /usr/ssl /" AC_ARG_WITH(ssl-zlib, AS_HELP_STRING([--with-ssl-zlib=PATH], @@ -4019,6 +4081,7 @@ for a in ssl crypto ssh; do done SSL_DYNAMIC_ONLY=$enable_dynamic_ssl +SSL_STATIC_ONLY=no case "$erl_xcomp_without_sysroot-$with_ssl" in yes-* | no-no) @@ -4138,6 +4201,10 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in else is_real_ssl=no fi + elif test -f "$dir/lib/powerpc/libsslcrypto.a"; then + SSL_CRYPTO_LIBNAME=sslcrypto + SSL_LIBDIR="$dir/lib/powerpc/" + SSL_RUNTIME_LIBDIR="$rdir/lib/powerpc/" else if test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$dir/lib64/libcrypto.a"; then @@ -4161,8 +4228,10 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in SSL_LIBDIR="$dir/lib" fi fi - if test '!' -f $SSL_LIBDIR/libcrypto.a; then + if test '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.a"; then SSL_DYNAMIC_ONLY=yes + elif test '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.so" -a '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.dylib"; then + SSL_STATIC_ONLY=yes fi SSL_BINDIR="$rdir/bin" if test "x$is_real_ssl" = "xyes" ; then @@ -4184,13 +4253,20 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in if test "x$ssl_found" = "xyes"; then if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then ssl_linkable=yes + elif test "x${SSL_CRYPTO_LIBNAME}" = "xsslcrypto"; then + # This should only be triggered seen OSE + ssl_linkable=yes else saveCFLAGS="$CFLAGS" saveLDFLAGS="$LDFLAGS" saveLIBS="$LIBS" CFLAGS="$CFLAGS $SSL_INCLUDE" - LDFLAGS="$LDFLAGS -L$SSL_LIBDIR" - LIBS="-lcrypto" + if test "x$SSL_STATIC_ONLY" = "xyes"; then + LIBS="${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.a" + else + LDFLAGS="$LDFLAGS -L$SSL_LIBDIR" + LIBS="$LIBS -l${SSL_CRYPTO_LIBNAME}" + fi AC_TRY_LINK([ #include <stdio.h> #include <openssl/hmac.h>], @@ -4318,6 +4394,9 @@ dnl so it is - be adoptable # This probably wont work, but that's what the user said, so... SSL_LIBDIR="$with_ssl/lib" fi + elif test -f "$dir/lib/powerpc/libsslcrypto.a"; then + SSL_CRYPTO_LIBNAME=sslcrypto + SSL_LIBDIR="$with_ssl/lib/powerpc/" elif test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$with_ssl/lib64/libcrypto.a"; then SSL_LIBDIR="$with_ssl/lib64" @@ -4333,8 +4412,10 @@ dnl so it is - be adoptable else SSL_LIBDIR="$with_ssl/lib" fi - if test '!' -f $SSL_LIBDIR/libcrypto.a; then + if test '!' -f "${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.a"; then SSL_DYNAMIC_ONLY=yes + elif test '!' -f ${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.so -a '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.dylib"; then + SSL_STATIC_ONLY=yes fi SSL_INCLUDE="-I$with_ssl/include" SSL_APP=ssl @@ -4728,6 +4809,7 @@ AC_OUTPUT( Makefile:Makefile.in ../make/$host/otp.mk:../make/otp.mk.in ../make/$host/otp_ded.mk:../make/otp_ded.mk.in + ../make/$host/ose_lm.mk:../make/ose_lm.mk.in dnl dnl The ones below should be moved to their respective lib dnl diff --git a/erts/doc/src/Makefile b/erts/doc/src/Makefile index d4c6fe67d2..e8b856c3ff 100644 --- a/erts/doc/src/Makefile +++ b/erts/doc/src/Makefile @@ -139,7 +139,7 @@ man: $(MAN1_FILES) $(MAN3_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) -$(INFO_FILE): $(INFO_FILE_SRC) ../../vsn.mk +$(INFO_FILE): $(INFO_FILE_SRC) $(ERL_TOP)/make/$(TARGET)/otp.mk sed -e 's;%RELEASE%;$(SYSTEM_VSN);' $(INFO_FILE_SRC) > $(INFO_FILE) diff --git a/erts/doc/src/driver_entry.xml b/erts/doc/src/driver_entry.xml index 48dfcb09b1..b34ca136f3 100644 --- a/erts/doc/src/driver_entry.xml +++ b/erts/doc/src/driver_entry.xml @@ -245,10 +245,14 @@ typedef struct erl_drv_entry { something that the <c>WaitForMultipleObjects</c> API function understands). (Some trickery in the emulator allows more than the built-in limit of 64 <c>Events</c> to be used.)</p> + <p>On Enea OSE the <c>event</c> is one or more signals that can + be retrieved using <seealso marker="ose:ose_erl_driver#erl_drv_ose_get_signal">erl_drv_ose_get_signal</seealso>.</p> <p>To use this with threads and asynchronous routines, create a - pipe on unix and an Event on Windows. When the routine + pipe on unix, an Event on Windows or a unique signal number on + Enea OSE. When the routine completes, write to the pipe (use <c>SetEvent</c> on - Windows), this will make the emulator call + Windows or send a message to the emulator process on Enea OSE), + this will make the emulator call <c>ready_input</c> or <c>ready_output</c>.</p> <p>Spurious events may happen. That is, calls to <c>ready_input</c> or <c>ready_output</c> even though no real events are signaled. In diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml index 710c9b19cf..8da1836da7 100644 --- a/erts/doc/src/erl_driver.xml +++ b/erts/doc/src/erl_driver.xml @@ -1035,7 +1035,9 @@ typedef struct ErlIOVec { <c>select</c>/<c>poll</c> can use). On windows, the Win32 API function <c>WaitForMultipleObjects</c> is used. This places other restrictions on the event object. - Refer to the Win32 SDK documentation.</p> + Refer to the Win32 SDK documentation. + On Enea OSE, the receive function is used. See the <seealso + marker="ose:ose_erl_driver"></seealso> for more details.</p> <p>The <c>on</c> parameter should be <c>1</c> for setting events and <c>0</c> for clearing them.</p> <p>The <c>mode</c> argument is a bitwise-or combination of @@ -1047,7 +1049,7 @@ typedef struct ErlIOVec { <seealso marker="driver_entry#ready_output">ready_output</seealso>. </p> <note> - <p>Some OS (Windows) do not differentiate between read and write events. + <p>Some OS (Windows and Enea OSE) do not differentiate between read and write events. The call-back for a fired event then only depends on the value of <c>mode</c>.</p> </note> <p><c>ERL_DRV_USE</c> specifies if we are using the event object or if we want to close it. diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 4cf5631727..aeded7c719 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -5203,9 +5203,16 @@ ok <c>erlang:system_info(schedulers_online)</c>. </p> <p>Returns the old value of the flag.</p> - <p><em>Note that the dirty schedulers functionality is experimental</em>, and - that you have to enable support for dirty schedulers when building OTP in - order to try the functionality out.</p> + <p>Note that the number of dirty CPU schedulers online may change if the number of + schedulers online changes. For example, if there are 12 schedulers and all are + online, and 6 dirty CPU schedulers, all online as well, and <c>system_flag/2</c> + is used to set the number of schedulers online to 6, then the number of dirty + CPU schedulers online is automatically decreased by half as well, down to 3. + Similarly, the number of dirty CPU schedulers online increases proportionally + to increases in the number of schedulers online.</p> + <p><em>Note that the dirty schedulers functionality is experimental</em>, and + that you have to enable support for dirty schedulers when building OTP in order + to try out the functionality.</p> <p>For more information see <seealso marker="#system_info_dirty_cpu_schedulers">erlang:system_info(dirty_cpu_schedulers)</seealso> and @@ -5438,6 +5445,15 @@ ok <![CDATA[1 <= SchedulersOnline <= erlang:system_info(schedulers)]]>. </p> <p>Returns the old value of the flag.</p> + <p>Note that if the emulator was built with support for <seealso + marker="#system_flag_dirty_cpu_schedulers_online">dirty schedulers</seealso>, + changing the number of schedulers online can also change the number of dirty + CPU schedulers online. For example, if there are 12 schedulers and all are + online, and 6 dirty CPU schedulers, all online as well, and <c>system_flag/2</c> + is used to set the number of schedulers online to 6, then the number of dirty + CPU schedulers online is automatically decreased by half as well, down to 3. + Similarly, the number of dirty CPU schedulers online increases proportionally + to increases in the number of schedulers online.</p> <p>For more information see, <seealso marker="#system_info_schedulers">erlang:system_info(schedulers)</seealso>, and @@ -5817,12 +5833,13 @@ ok boot time and cannot be changed after that. The number of dirty CPU scheduler threads online can however be changed at any time. The number of dirty CPU schedulers can be set on startup by passing - the <seealso marker="erts:erl#+SDcpu">+SDcpu</seealso> command line flag, see - <seealso marker="erts:erl#+SDcpu">erl(1)</seealso>. + the <seealso marker="erts:erl#+SDcpu">+SDcpu</seealso> or + <seealso marker="erts:erl#+SDPcpu">+SDPcpu</seealso> command line flags, + see <seealso marker="erts:erl#+SDcpu">erl(1)</seealso>. </p> <p><em>Note that the dirty schedulers functionality is experimental</em>, and that you have to enable support for dirty schedulers when building OTP in - order to try the functionality out.</p> + order to try out the functionality.</p> <p>See also <seealso marker="#system_flag_dirty_cpu_schedulers_online">erlang:system_flag(dirty_cpu_schedulers_online, DirtyCPUSchedulersOnline)</seealso>, <seealso marker="#system_info_dirty_cpu_schedulers_online">erlang:system_info(dirty_cpu_schedulers_online)</seealso>, <seealso marker="#system_info_dirty_io_schedulers">erlang:system_info(dirty_io_schedulers)</seealso>, @@ -5844,7 +5861,7 @@ ok </p> <p><em>Note that the dirty schedulers functionality is experimental</em>, and that you have to enable support for dirty schedulers when building OTP in - order to try the functionality out.</p> + order to try out the functionality.</p> <p>For more information, see <seealso marker="#system_info_dirty_cpu_schedulers">erlang:system_info(dirty_cpu_schedulers)</seealso>, <seealso marker="#system_info_dirty_io_schedulers">erlang:system_info(dirty_io_schedulers)</seealso>, @@ -5864,7 +5881,7 @@ ok </p> <p><em>Note that the dirty schedulers functionality is experimental</em>, and that you have to enable support for dirty schedulers when building OTP in - order to try the functionality out.</p> + order to try out the functionality.</p> <p>For more information, see <seealso marker="#system_info_dirty_cpu_schedulers">erlang:system_info(dirty_cpu_schedulers)</seealso>, <seealso marker="#system_info_dirty_cpu_schedulers_online">erlang:system_info(dirty_cpu_schedulers_online)</seealso>, and @@ -6094,16 +6111,19 @@ ok <seealso marker="#system_info_multi_scheduling">erlang:system_info(multi_scheduling)</seealso>, and <seealso marker="#system_info_schedulers">erlang:system_info(schedulers)</seealso>.</p> </item> - <tag><marker id="system_info_otp_correction_package"><c>otp_correction_package</c></marker></tag> - <item> - <p>Returns a string containing the OTP correction package version - number that currenly executing VM is part of. Note that other - OTP applications in the system may be part of other OTP correction - packages.</p> - </item> <tag><marker id="system_info_otp_release"><c>otp_release</c></marker></tag> <item> - <p>Returns a string containing the OTP release number.</p> + <p>Returns a string containing the OTP release number of the + OTP release that the currently executing ERTS application is + part of.</p> + <p>As of OTP release 17, the OTP release number corresponds to + the major OTP version number. There is no + <c>erlang:system_info()</c> argument giving the exact OTP + version. This since the exact OTP version in the general case + is hard to determine. For more information see + <seealso marker="doc/installation_guide:otp_version">the + documentation of the OTP version in the installation + guide</seealso>.</p> </item> <tag><marker id="system_info_port_parallelism"><c>port_parallelism</c></marker></tag> <item><p>Returns the default port parallelism scheduling hint used. @@ -6569,11 +6589,12 @@ ok some details of the encoding. This option was introduced in R11B-4. Currently, the allowed values for <c><anno>Version</anno></c> are <c>0</c> and <c>1</c>.</p> - <p><c>{minor_version, 1}</c> forces any floats in the term to be encoded + <p><c>{minor_version, 1}</c> is since 17.0 the default, it forces any floats in + the term to be encoded in a more space-efficient and exact way (namely in the 64-bit IEEE format, rather than converted to a textual representation). <c>binary_to_term/1</c> - in R11B-4 and later is able decode the new representation.</p> - <p><c>{minor_version, 0}</c> is currently the default, meaning that floats + in R11B-4 and later is able decode this representation.</p> + <p><c>{minor_version, 0}</c> meaning that floats will be encoded using a textual representation; this option is useful if you want to ensure that releases prior to R11B-4 can decode resulting binary.</p> diff --git a/erts/doc/src/run_erl.xml b/erts/doc/src/run_erl.xml index 684f7b1ddd..28e94c6da8 100644 --- a/erts/doc/src/run_erl.xml +++ b/erts/doc/src/run_erl.xml @@ -58,7 +58,7 @@ first argument to run_erl on the command line.</item> <tag>pipe_dir</tag> <item>This is where to put the named pipe, usually - <c><![CDATA[/tmp/]]></c>. It shall be suffixed by a <c><![CDATA[/]]></c> (slash), + <c><![CDATA[/tmp/]]></c> on Unix or <c><![CDATA[/pipe/]]></c> on OSE. It shall be suffixed by a <c><![CDATA[/]]></c> (slash), i.e. not <c><![CDATA[/tmp/epipies]]></c>, but <c><![CDATA[/tmp/epipes/]]></c>. </item> <tag>log_dir</tag> <item>This is where the log files are written. There will be one diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in index f88a4ccc24..523130d01a 100644 --- a/erts/emulator/Makefile.in +++ b/erts/emulator/Makefile.in @@ -22,6 +22,9 @@ include ../vsn.mk include $(ERL_TOP)/make/$(TARGET)/otp.mk -include $(TARGET)/gen_git_version.mk +ifeq ($(findstring ose,$(TARGET)),ose) +include $(ERL_TOP)/make/$(TARGET)/ose_lm.mk +endif ENABLE_ALLOC_TYPE_VARS = @ENABLE_ALLOC_TYPE_VARS@ HIPE_ENABLED=@HIPE_ENABLED@ @@ -234,7 +237,9 @@ HCC = @HCC@ LD = @LD@ DEXPORT = @DEXPORT@ RANLIB = @RANLIB@ +ifneq ($(findstring ose,$(TARGET)),ose) STRIP = strip +endif PERL = @PERL@ RM = @RM@ MKDIR = @MKDIR@ @@ -513,10 +518,9 @@ ifdef DTRACE_ENABLED # global.h causes problems by including dtrace-wrapper.h which includes # the autogenerated erlang_dtrace.h ... so make erlang_dtrace.h very early. DTRACE_HEADERS = $(TARGET)/erlang_dtrace.h -generate: $(DTRACE_HEADERS) $(GENERATE) +GENERATE+= $(DTRACE_HEADERS) else DTRACE_HEADERS = -generate: $(GENERATE) endif ifdef HIPE_ENABLED @@ -574,8 +578,8 @@ $(TTF_DIR)/erl_alloc_types.h: beam/erl_alloc.types utils/make_alloc_types GENERATE += $(TTF_DIR)/erl_alloc_types.h # version include file -$(TARGET)/erl_version.h: ../vsn.mk - $(gen_verbose)LANG=C $(PERL) utils/make_version -o $@ $(SYSTEM_VSN) $(SYSTEM_CP_VSN) $(VSN)$(SERIALNO) $(TARGET) +$(TARGET)/erl_version.h: ../vsn.mk $(ERL_TOP)/make/$(TARGET)/otp.mk + $(gen_verbose)LANG=C $(PERL) utils/make_version -o $@ $(SYSTEM_VSN) $(OTP_VERSION) $(VSN)$(SERIALNO) $(TARGET) GENERATE += $(TARGET)/erl_version.h # driver table @@ -685,6 +689,14 @@ $(OBJDIR)/%.o: $(TTF_DIR)/%.c $(OBJDIR)/%.o: sys/$(ERLANG_OSTYPE)/%.c $(V_CC) $(CFLAGS) $(INCLUDES) -c $< -o $@ +ifeq ($(findstring ose,$(TARGET)),ose) +$(OBJDIR)/ose_confd.o: $(OSE_CONFD) + $(V_CC) $(CFLAGS) $(INCLUDES) -c $< -o $@ + +$(OBJDIR)/crt0_lm.o: $(CRT0_LM) + $(V_CC) $(CFLAGS) $(INCLUDES) -c $< -o $@ +endif + $(OBJDIR)/%.o: sys/common/%.c $(V_CC) $(subst -O2, $(GEN_OPT_FLGS), $(CFLAGS)) $(INCLUDES) -c $< -o $@ @@ -787,7 +799,8 @@ DRV_OBJS = \ $(OBJDIR)/efile_drv.o \ $(OBJDIR)/inet_drv.o \ $(OBJDIR)/zlib_drv.o \ - $(OBJDIR)/ram_file_drv.o + $(OBJDIR)/ram_file_drv.o \ + $(OBJDIR)/ttsl_drv.o OS_OBJS = \ $(OBJDIR)/win_efile.o \ $(OBJDIR)/win_con.o \ @@ -799,6 +812,30 @@ OS_OBJS = \ $(OBJDIR)/sys_interrupt.o \ $(OBJDIR)/sys_env.o \ $(OBJDIR)/dosmap.o + +else +ifeq ($(findstring ose,$(TARGET)),ose) +OS_OBJS = \ + $(OBJDIR)/sys.o \ + $(OBJDIR)/driver_tab.o \ + $(OBJDIR)/ose_efile.o \ + $(OBJDIR)/gzio.o \ + $(OBJDIR)/elib_memmove.o + +OS_OBJS += $(OBJDIR)/ose_confd.o \ + $(OBJDIR)/crt0_lm.o + +OS_OBJS += $(OBJDIR)/sys_float.o \ + $(OBJDIR)/sys_time.o + +DRV_OBJS = \ + $(OBJDIR)/efile_drv.o \ + $(OBJDIR)/ose_signal_drv.o \ + $(OBJDIR)/inet_drv.o \ + $(OBJDIR)/zlib_drv.o \ + $(OBJDIR)/ram_file_drv.o \ + $(OBJDIR)/ttsl_drv.o + else OS_OBJS = \ $(OBJDIR)/sys.o \ @@ -813,10 +850,10 @@ DRV_OBJS = \ $(OBJDIR)/efile_drv.o \ $(OBJDIR)/inet_drv.o \ $(OBJDIR)/zlib_drv.o \ - $(OBJDIR)/ram_file_drv.o + $(OBJDIR)/ram_file_drv.o \ + $(OBJDIR)/ttsl_drv.o +endif endif - - DRV_OBJS += $(OBJDIR)/ttsl_drv.o ifneq ($(STATIC_NIFS),no) STATIC_NIF_LIBS = $(STATIC_NIFS) @@ -837,7 +874,9 @@ endif ifeq ($(COMPILE_STATIC_LIBS),yes) $(STATIC_NIF_LIBS) $(STATIC_DRIVER_LIBS): - $(MAKE) BUILD_STATIC_LIBS=1 TYPE=$(TYPE) -C $(ERL_TOP)/lib/ static_lib + echo "=== Entering lib to make static libs" + (cd $(ERL_TOP)/lib/ && $(MAKE) BUILD_STATIC_LIBS=1 TYPE=$(TYPE) static_lib) + echo "=== Leaving lib after making static libs" endif ifeq ($(ERTS_ENABLE_KERNEL_POLL),yes) @@ -987,6 +1026,13 @@ $(BINDIR)/$(EMULATOR_EXECUTABLE): $(INIT_OBJS) $(OBJS) $(DEPLIBS) $(ld_verbose)$(PURIFY) $(LD) -dll -def:sys/$(ERLANG_OSTYPE)/erl.def -implib:$(BINDIR)/erl_dll.lib -o $(BINDIR)/$(EMULATOR_EXECUTABLE) \ $(LDFLAGS) $(DEXPORT) $(INIT_OBJS) $(OBJS) $(STATIC_NIF_LIBS) \ $(STATIC_DRIVER_LIBS) $(LIBS) + +else +ifeq ($(findstring ose,$(TARGET)),ose) +$(BINDIR)/$(EMULATOR_EXECUTABLE): $(INIT_OBJS) $(OBJS) $(DEPLIBS) $(LCF) + $(call build-ose-load-module, $@, $(INIT_OBJS) $(OBJS), $(STATIC_NIF_LIBS) \ + $(STATIC_DRIVER_LIBS) $(LIBS), $(LMCONF)) + else $(BINDIR)/$(EMULATOR_EXECUTABLE): $(INIT_OBJS) $(OBJS) $(DEPLIBS) echo $(DEPLIBS) @@ -995,6 +1041,7 @@ $(BINDIR)/$(EMULATOR_EXECUTABLE): $(INIT_OBJS) $(OBJS) $(DEPLIBS) $(STATIC_NIF_LIBS) $(STATIC_DRIVER_LIBS) $(LIBS) endif +endif # ---------------------------------------------------------------------- # Dependencies diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 96547ba743..d28e519ae1 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -179,6 +179,7 @@ atom dexit atom depth atom dgroup_leader atom dictionary +atom dirty_cpu_schedulers_online atom disable_trace atom disabled atom display_items diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 3f92c5b025..df1983a83d 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -201,7 +201,7 @@ finish_loading_1(BIF_ALIST_1) * to keep the elements in. */ - n = list_length(BIF_ARG_1); + n = erts_list_length(BIF_ARG_1); if (n == -1) { ERTS_BIF_PREP_ERROR(res, BIF_P, BADARG); goto done; diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 68907a771a..49a34ab4ad 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -46,7 +46,8 @@ #if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP) # define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN) + if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN,\ + __FILE__, __LINE__) # define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN) #else diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index e36ec2a93e..a3cd08834f 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -635,6 +635,11 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) case op_i_put_tuple_rI: case op_i_put_tuple_xI: case op_i_put_tuple_yI: + case op_new_map_jdII: + case op_update_map_assoc_jsdII: + case op_update_map_exact_jsdII: + case op_i_has_map_fields_fsI: + case op_i_get_map_elements_fsI: { int n = unpacked[-1]; diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 1ae413d46e..0cec9ea3ec 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -71,7 +71,8 @@ do { \ ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); \ } while (0) # define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN) + if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN,\ + __FILE__, __LINE__) # define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN) # else @@ -1190,11 +1191,16 @@ void process_main(void) * c_p->arg_reg before calling the scheduler. */ if (!init_done) { + /* This should only be reached during the init phase when only the main + * process is running. I.e. there is no race for init_done. + */ init_done = 1; goto init_emulator; } + c_p = NULL; reds_used = 0; + goto do_schedule1; do_schedule: @@ -1203,7 +1209,11 @@ void process_main(void) if (start_time != 0) { Sint64 diff = erts_timestamp_millis() - start_time; - if (diff > 0 && (Uint) diff > erts_system_monitor_long_schedule) { + if (diff > 0 && (Uint) diff > erts_system_monitor_long_schedule +#ifdef ERTS_DIRTY_SCHEDULERS + && !ERTS_SCHEDULER_IS_DIRTY(c_p->scheduler_data) +#endif + ) { BeamInstr *inptr = find_function_from_pc(start_time_i); BeamInstr *outptr = find_function_from_pc(c_p->i); monitor_long_schedule_proc(c_p,inptr,outptr,(Uint) diff); @@ -2355,6 +2365,126 @@ void process_main(void) Next(4+Arg(3)); } + OpCase(i_has_map_fields_fsI): { + map_t* mp; + Eterm map; + Eterm field; + Eterm *ks; + BeamInstr* fs; + Uint sz,n; + + GetArg1(1, map); + + /* this instruction assumes Arg1 is a map, + * i.e. that it follows a test is_map if needed. + */ + + mp = (map_t *)map_val(map); + sz = map_get_size(mp); + + if (sz == 0) { + SET_I((BeamInstr *) Arg(0)); + goto has_map_fields_fail; + } + + ks = map_get_keys(mp); + n = (Uint)Arg(2); + fs = &Arg(3); /* pattern fields */ + + ASSERT(n>0); + + while(sz) { + field = (Eterm)*fs; + if (EQ(field,*ks)) { + n--; + fs++; + if (n == 0) break; + } + ks++; sz--; + } + + if (n) { + SET_I((BeamInstr *) Arg(0)); + goto has_map_fields_fail; + } + + I += 4 + Arg(2); +has_map_fields_fail: + ASSERT(VALID_INSTR(*I)); + Goto(*I); + } + +#define PUT_TERM_REG(term, desc) \ +do { \ + switch ((desc) & _TAG_IMMED1_MASK) { \ + case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ + r(0) = (term); \ + break; \ + case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ + x((desc) >> _TAG_IMMED1_SIZE) = (term); \ + break; \ + case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ + y((desc) >> _TAG_IMMED1_SIZE) = (term); \ + break; \ + default: \ + ASSERT(0); \ + break; \ + } \ +} while(0) + + OpCase(i_get_map_elements_fsI): { + Eterm map; + map_t *mp; + Eterm field; + Eterm *ks; + Eterm *vs; + BeamInstr *fs; + Uint sz,n; + + GetArg1(1, map); + + /* this instruction assumes Arg1 is a map, + * i.e. that it follows a test is_map if needed. + */ + + mp = (map_t *)map_val(map); + sz = map_get_size(mp); + + if (sz == 0) { + SET_I((BeamInstr *) Arg(0)); + goto get_map_elements_fail; + } + + n = (Uint)Arg(2) / 2; + fs = &Arg(3); /* pattern fields and target registers */ + ks = map_get_keys(mp); + vs = map_get_values(mp); + + while(sz) { + field = (Eterm)*fs; + if (EQ(field,*ks)) { + PUT_TERM_REG(*vs, fs[1]); + n--; + fs += 2; + /* no more values to fetch, we are done */ + if (n == 0) break; + } + ks++; sz--; + vs++; + } + + if (n) { + SET_I((BeamInstr *) Arg(0)); + goto get_map_elements_fail; + } + + I += 4 + Arg(2); +get_map_elements_fail: + ASSERT(VALID_INSTR(*I)); + Goto(*I); + } +#undef PUT_TERM_REG + OpCase(update_map_assoc_jsdII): { Eterm res; Eterm map; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index b589d1c930..e96177cfd9 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -409,7 +409,7 @@ typedef struct LoaderState { __result = __result << 8 | *Stp->file_p++; \ } \ Dest = __result; \ - } while (0) + } #define GetByte(Stp, Dest) \ if ((Stp)->file_left < 1) { \ @@ -506,6 +506,9 @@ static GenOp* gen_select_literals(LoaderState* stp, GenOpArg S, static GenOp* const_select_val(LoaderState* stp, GenOpArg S, GenOpArg Fail, GenOpArg Size, GenOpArg* Rest); +static GenOp* gen_get_map_element(LoaderState* stp, GenOpArg Fail, GenOpArg Src, + GenOpArg Size, GenOpArg* Rest); + static int freeze_code(LoaderState* stp); static void final_touch(LoaderState* stp); @@ -3951,6 +3954,49 @@ tuple_append_put(LoaderState* stp, GenOpArg Arity, GenOpArg Dst, return op; } +/* + * Replace a get_map_elements with one key to an instruction with one + * element + */ + +static GenOp* +gen_get_map_element(LoaderState* stp, GenOpArg Fail, GenOpArg Src, + GenOpArg Size, GenOpArg* Rest) +{ + GenOp* op; + + ASSERT(Size.type == TAG_u); + + NEW_GENOP(stp, op); + op->next = NULL; + op->op = genop_get_map_element_4; + op->arity = 4; + + op->a[0] = Fail; + op->a[1] = Src; + op->a[2] = Rest[0]; + op->a[3] = Rest[1]; + return op; +} + +static GenOp* +gen_has_map_field(LoaderState* stp, GenOpArg Fail, GenOpArg Src, + GenOpArg Size, GenOpArg* Rest) +{ + GenOp* op; + + ASSERT(Size.type == TAG_u); + + NEW_GENOP(stp, op); + op->next = NULL; + op->op = genop_has_map_field_3; + op->arity = 4; + + op->a[0] = Fail; + op->a[1] = Src; + op->a[2] = Rest[0]; + return op; +} /* * Freeze the code in memory, move the string table into place, @@ -5824,7 +5870,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) Funcs = tp[1]; Patchlist = tp[2]; - if ((n = list_length(Funcs)) < 0) { + if ((n = erts_list_length(Funcs)) < 0) { goto error; } if ((bytes = erts_get_aligned_binary_bytes(Beam, &temp_alloc)) == NULL) { diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 9c4801041f..06a1230ca0 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -2675,7 +2675,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) if (i < 0) { erts_free(ERTS_ALC_T_TMP, (void *) buf); - i = list_length(BIF_ARG_1); + i = erts_list_length(BIF_ARG_1); if (i > MAX_ATOM_CHARACTERS) { BIF_ERROR(BIF_P, SYSTEM_LIMIT); } @@ -2953,7 +2953,7 @@ BIF_RETTYPE list_to_integer_2(BIF_ALIST_2) char *buf = NULL; int base; - i = list_length(BIF_ARG_1); + i = erts_list_length(BIF_ARG_1); if (i < 0) BIF_ERROR(BIF_P, BADARG); @@ -3292,7 +3292,7 @@ BIF_RETTYPE list_to_float_1(BIF_ALIST_1) Eterm res; char *buf = NULL; - i = list_length(BIF_ARG_1); + i = erts_list_length(BIF_ARG_1); if (i < 0) BIF_ERROR(BIF_P, BADARG); @@ -3407,7 +3407,7 @@ BIF_RETTYPE list_to_tuple_1(BIF_ALIST_1) Eterm* hp; int len; - if ((len = list_length(list)) < 0 || len > ERTS_MAX_TUPLE_SIZE) { + if ((len = erts_list_length(list)) < 0 || len > ERTS_MAX_TUPLE_SIZE) { BIF_ERROR(BIF_P, BADARG); } @@ -4333,7 +4333,11 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) switch (erts_set_schedulers_online(BIF_P, ERTS_PROC_LOCK_MAIN, signed_val(BIF_ARG_2), - &old_no)) { + &old_no +#ifdef ERTS_DIRTY_SCHEDULERS + , 0 +#endif + )) { case ERTS_SCHDLR_SSPND_DONE: BIF_RET(make_small(old_no)); case ERTS_SCHDLR_SSPND_YIELD_RESTART: @@ -4465,6 +4469,33 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) ref, old ? am_true : am_false); } +#if defined(ERTS_SMP) && defined(ERTS_DIRTY_SCHEDULERS) + } else if (BIF_ARG_1 == am_dirty_cpu_schedulers_online) { + Sint old_no; + if (!is_small(BIF_ARG_2)) + goto error; + switch (erts_set_schedulers_online(BIF_P, + ERTS_PROC_LOCK_MAIN, + signed_val(BIF_ARG_2), + &old_no, + 1)) { + case ERTS_SCHDLR_SSPND_DONE: + BIF_RET(make_small(old_no)); + case ERTS_SCHDLR_SSPND_YIELD_RESTART: + ERTS_VBUMP_ALL_REDS(BIF_P); + BIF_TRAP2(bif_export[BIF_system_flag_2], + BIF_P, BIF_ARG_1, BIF_ARG_2); + case ERTS_SCHDLR_SSPND_YIELD_DONE: + ERTS_BIF_YIELD_RETURN_X(BIF_P, make_small(old_no), + am_dirty_cpu_schedulers_online); + case ERTS_SCHDLR_SSPND_EINVAL: + goto error; + default: + ASSERT(0); + BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR); + break; + } +#endif } else if (ERTS_IS_ATOM_STR("scheduling_statistics", BIF_ARG_1)) { int what; if (ERTS_IS_ATOM_STR("disable", BIF_ARG_2)) diff --git a/erts/emulator/beam/code_ix.c b/erts/emulator/beam/code_ix.c index c66d5a2f05..4344558348 100644 --- a/erts/emulator/beam/code_ix.c +++ b/erts/emulator/beam/code_ix.c @@ -58,7 +58,8 @@ void erts_code_ix_init(void) erts_smp_atomic32_init_nob(&the_staging_code_index, 0); erts_smp_mtx_init(&code_write_permission_mtx, "code_write_permission"); #ifdef ERTS_ENABLE_LOCK_CHECK - erts_tsd_key_create(&has_code_write_permission); + erts_tsd_key_create(&has_code_write_permission, + "erts_has_code_write_permission"); #endif CIX_TRACE("init"); } diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index ff8f5e106f..0519a9225e 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -44,6 +44,7 @@ /* All flags that should be enabled when term_to_binary/1 is used. */ #define TERM_TO_BINARY_DFLAGS (DFLAG_EXTENDED_REFERENCES \ | DFLAG_NEW_FUN_TAGS \ + | DFLAG_NEW_FLOATS \ | DFLAG_EXTENDED_PIDS_PORTS \ | DFLAG_EXPORT_PTR_TAG \ | DFLAG_BIT_BINARIES) diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 64b3e01ed4..05ac24e04d 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -585,7 +585,8 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) if (ncpu < 1) ncpu = 1; - erts_tsd_key_create(&erts_allctr_prelock_tsd_key); + erts_tsd_key_create(&erts_allctr_prelock_tsd_key, + "erts_allctr_prelock_tsd_key"); erts_sys_alloc_init(); erts_init_utils_mem(); diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index f83f6b39cf..942eaa47d0 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -209,8 +209,8 @@ int erts_is_allctr_wrapper_prelocked(void); void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size); #ifndef ERTS_CACHE_LINE_SIZE -/* Assume a cache line size of 64 bytes */ -# define ERTS_CACHE_LINE_SIZE ((UWord) 64) +/* Assumed cache line size */ +# define ERTS_CACHE_LINE_SIZE ((UWord) ASSUMED_CACHE_LINE_SIZE) # define ERTS_CACHE_LINE_MASK (ERTS_CACHE_LINE_SIZE - 1) #endif diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index b4e52770e3..17ac6316b7 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -414,6 +414,21 @@ type PRT_REP_EXIT STANDARD SYSTEM port_report_exit +endif ++if ose + +type SYS_READ_BUF TEMPORARY SYSTEM sys_read_buf +type FD_TAB LONG_LIVED SYSTEM fd_tab +type FD_ENTRY_BUF STANDARD SYSTEM fd_entry_buf +type FD_SIG_LIST SHORT_LIVED SYSTEM fd_sig_list +type DRV_EV STANDARD SYSTEM driver_event +type CS_PROG_PATH LONG_LIVED SYSTEM cs_prog_path +type ENVIRONMENT TEMPORARY SYSTEM environment +type PUTENV_STR SYSTEM SYSTEM putenv_string +type PRT_REP_EXIT STANDARD SYSTEM port_report_exit + ++endif + + +if win32 type DRV_DATA_BUF SYSTEM SYSTEM drv_data_buf diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index c6cea0185f..45f0cc4312 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -5561,11 +5561,11 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) erts_mtx_init_x_opt(&allctr->mutex, "alcu_allocator", make_small(allctr->alloc_no), - ERTS_LCNT_LT_ALLOC); + ERTS_LCNT_LT_ALLOC,1); #else erts_mtx_init_x(&allctr->mutex, "alcu_allocator", - make_small(allctr->alloc_no)); + make_small(allctr->alloc_no),1); #endif /*ERTS_ENABLE_LOCK_COUNT*/ #ifdef DEBUG diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index f0cec1c53c..b3dc327704 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -166,6 +166,7 @@ async_ready_q(Uint sched_id) #endif + void erts_init_async(void) { @@ -226,11 +227,23 @@ erts_init_async(void) thr_opts.suggested_stack_size = erts_async_thread_suggested_stack_size; +#ifdef ETHR_HAVE_THREAD_NAMES + thr_opts.name = malloc(sizeof(char)*(strlen("async_XXXX")+1)); +#endif + for (i = 0; i < erts_async_max_threads; i++) { ErtsAsyncQ *aq = async_q(i); + +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(thr_opts.name, "async_%d", i+1); +#endif + erts_thr_create(&aq->thr_id, async_main, (void*) aq, &thr_opts); } +#ifdef ETHR_HAVE_THREAD_NAMES + free(thr_opts.name); +#endif /* Wait for async threads to initialize... */ erts_mtx_lock(&async->init.data.mtx); diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index f25b4dbae5..2adba9b240 100755 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -64,7 +64,7 @@ static Export *gather_gc_info_res_trap; #define DECL_AM(S) Eterm AM_ ## S = am_atom_put(#S, sizeof(#S) - 1) -static char otp_correction_package[] = ERLANG_OTP_CORRECTION_PACKAGE; +static char otp_version[] = ERLANG_OTP_VERSION; /* Keep erts_system_version as a global variable for easy access from a core */ static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE "%s" @@ -312,7 +312,7 @@ erts_print_system_version(int to, void *arg, Process *c_p) int i, rc = -1; char *rc_str = ""; char rc_buf[100]; - char *ocp = otp_correction_package; + char *ov = otp_version; #ifdef ERTS_SMP Uint total, online, active; #ifdef ERTS_DIRTY_SCHEDULERS @@ -323,9 +323,9 @@ erts_print_system_version(int to, void *arg, Process *c_p) (void) erts_schedulers_state(&total, &online, &active, NULL, NULL, NULL, 0); #endif #endif - for (i = 0; i < sizeof(otp_correction_package)-4; i++) { - if (ocp[i] == '-' && ocp[i+1] == 'r' && ocp[i+2] == 'c') - rc = atoi(&ocp[i+3]); + for (i = 0; i < sizeof(otp_version)-4; i++) { + if (ov[i] == '-' && ov[i+1] == 'r' && ov[i+2] == 'c') + rc = atoi(&ov[i+3]); } if (rc >= 0) { if (rc == 0) @@ -2448,10 +2448,6 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) DECL_AM(unknown); BIF_RET(AM_unknown); } - } else if (ERTS_IS_ATOM_STR("otp_correction_package", BIF_ARG_1)) { - int n = sizeof(ERLANG_OTP_CORRECTION_PACKAGE)-1; - hp = HAlloc(BIF_P, 2*n); - BIF_RET(buf_to_intlist(&hp, ERLANG_OTP_CORRECTION_PACKAGE, n, NIL)); } else if (ERTS_IS_ATOM_STR("otp_release", BIF_ARG_1)) { int n = sizeof(ERLANG_OTP_RELEASE)-1; hp = HAlloc(BIF_P, 2*n); diff --git a/erts/emulator/beam/erl_bif_lists.c b/erts/emulator/beam/erl_bif_lists.c index 1805366cfe..820ed2385d 100644 --- a/erts/emulator/beam/erl_bif_lists.c +++ b/erts/emulator/beam/erl_bif_lists.c @@ -43,7 +43,7 @@ static BIF_RETTYPE append(Process* p, Eterm A, Eterm B) Eterm* hp; int i; - if ((i = list_length(A)) < 0) { + if ((i = erts_list_length(A)) < 0) { BIF_ERROR(p, BADARG); } if (i == 0) { @@ -102,10 +102,10 @@ static Eterm subtract(Process* p, Eterm A, Eterm B) int n; int m; - if ((n = list_length(A)) < 0) { + if ((n = erts_list_length(A)) < 0) { BIF_ERROR(p, BADARG); } - if ((m = list_length(B)) < 0) { + if ((m = erts_list_length(B)) < 0) { BIF_ERROR(p, BADARG); } diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index f298422267..77627a6897 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -941,7 +941,8 @@ static char **convert_args(Eterm l) if (is_not_list(l) && is_not_nil(l)) { return NULL; } - n = list_length(l); + + n = erts_list_length(l); /* We require at least one element in argv[0] + NULL at end */ pp = erts_alloc(ERTS_ALC_T_TMP, (n + 2) * sizeof(char **)); pp[i++] = erts_default_arg0; @@ -986,7 +987,7 @@ static byte* convert_environment(Process* p, Eterm env) byte* bytes; int encoding = erts_get_native_filename_encoding(); - if ((n = list_length(env)) < 0) { + if ((n = erts_list_length(env)) < 0) { return NULL; } heap_size = 2*(5*n+1); diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c index 88c6c34881..f594cb9392 100644 --- a/erts/emulator/beam/erl_cpu_topology.c +++ b/erts/emulator/beam/erl_cpu_topology.c @@ -1699,7 +1699,7 @@ erts_early_init_cpu_topology(int no_schedulers, } max_main_threads = erts_get_cpu_configured(cpuinfo); - if (max_main_threads > no_schedulers) + if (max_main_threads > no_schedulers || max_main_threads < 0) max_main_threads = no_schedulers; *max_main_threads_p = max_main_threads; diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 41e64fcd4f..a5d67571e2 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -125,6 +125,7 @@ get_meta_main_tab_lock(unsigned slot) static erts_smp_spinlock_t meta_main_tab_main_lock; static Uint meta_main_tab_first_free; /* Index of first free slot */ static int meta_main_tab_cnt; /* Number of active tables */ +static int meta_main_tab_top; /* Highest ever used slot + 1 */ static Uint meta_main_tab_slot_mask; /* The slot index part of an unnamed table id */ static Uint meta_main_tab_seq_incr; static Uint meta_main_tab_seq_cnt = 0; /* To give unique(-ish) table identifiers */ @@ -1469,6 +1470,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) ASSERT(slot>=0 && slot<db_max_tabs); meta_main_tab_first_free = GET_NEXT_FREE_SLOT(slot); meta_main_tab_cnt++; + if (slot >= meta_main_tab_top) { + ASSERT(slot == meta_main_tab_top); + meta_main_tab_top = slot + 1; + } if (is_named) { ret = BIF_ARG_1; @@ -2058,27 +2063,31 @@ BIF_RETTYPE ets_all_0(BIF_ALIST_0) { DbTable* tb; Eterm previous; - int i, j; + int i; Eterm* hp; Eterm* hendp; int t_tabs_cnt; - int t_max_tabs; + int t_top; erts_smp_spin_lock(&meta_main_tab_main_lock); t_tabs_cnt = meta_main_tab_cnt; - t_max_tabs = db_max_tabs; + t_top = meta_main_tab_top; erts_smp_spin_unlock(&meta_main_tab_main_lock); hp = HAlloc(BIF_P, 2*t_tabs_cnt); hendp = hp + 2*t_tabs_cnt; previous = NIL; - j = 0; - for(i = 0; (i < t_max_tabs && j < t_tabs_cnt); i++) { + for(i = 0; i < t_top; i++) { erts_smp_rwmtx_t *mmtl = get_meta_main_tab_lock(i); erts_smp_rwmtx_rlock(mmtl); if (IS_SLOT_ALIVE(i)) { - j++; + if (hp == hendp) { + /* Racing table creator, grab some more heap space */ + t_tabs_cnt = 10; + hp = HAlloc(BIF_P, 2*t_tabs_cnt); + hendp = hp + 2*t_tabs_cnt; + } tb = meta_main_tab[i].u.tb; previous = CONS(hp, tb->common.id, previous); hp += 2; @@ -2849,6 +2858,7 @@ void init_db(void) ERTS_ETS_MISC_MEM_ADD(size); meta_main_tab_cnt = 0; + meta_main_tab_top = 0; for (i=1; i<db_max_tabs; i++) { SET_NEXT_FREE_SLOT(i-1,i); } diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h index d17bd9f693..908cec11d4 100644 --- a/erts/emulator/beam/erl_db_hash.h +++ b/erts/emulator/beam/erl_db_hash.h @@ -33,7 +33,12 @@ typedef struct hash_db_term { DbTerm dbterm; /* The actual term */ } HashDbTerm; +#ifdef ERTS_DB_HASH_LOCK_CNT +#define DB_HASH_LOCK_CNT ERTS_DB_HASH_LOCK_CNT +#else #define DB_HASH_LOCK_CNT 64 +#endif + typedef struct db_table_hash_fine_locks { union { erts_smp_rwmtx_t lck; diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 3986ccd4d3..3927615e04 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -483,7 +483,8 @@ void match_pseudo_process_init(void) { #ifdef ERTS_SMP - erts_smp_tsd_key_create(&match_pseudo_process_key); + erts_smp_tsd_key_create(&match_pseudo_process_key, + "erts_match_pseudo_process_key"); erts_smp_install_exit_handler(destroy_match_pseudo_process); #else match_pseudo_process = create_match_pseudo_process(); diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index ab9ee63104..5517c26ba4 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -271,7 +271,6 @@ typedef struct ErlDrvCond_ ErlDrvCond; typedef struct ErlDrvRWLock_ ErlDrvRWLock; typedef int ErlDrvTSDKey; - /* * */ @@ -680,6 +679,16 @@ EXTERN char *driver_dl_error(void); EXTERN int erl_drv_putenv(char *key, char *value); EXTERN int erl_drv_getenv(char *key, char *value, size_t *value_size); +#ifdef __OSE__ +typedef ErlDrvUInt ErlDrvOseEventId; +EXTERN union SIGNAL *erl_drv_ose_get_signal(ErlDrvEvent ev); +EXTERN ErlDrvEvent erl_drv_ose_event_alloc(SIGSELECT sig, ErlDrvOseEventId handle, + ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig), void *extra); +EXTERN void erl_drv_ose_event_free(ErlDrvEvent ev); +EXTERN void erl_drv_ose_event_fetch(ErlDrvEvent ev, SIGSELECT *sig, + ErlDrvOseEventId *handle, void **extra); +#endif + #endif /* !ERL_DRIVER_TYPES_ONLY */ #ifdef WIN32_DYNAMIC_ERL_DRIVER diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h index ea013a49a3..3f829ea7ea 100644 --- a/erts/emulator/beam/erl_drv_nif.h +++ b/erts/emulator/beam/erl_drv_nif.h @@ -41,6 +41,13 @@ typedef struct { int suggested_stack_size; } ErlDrvThreadOpts; +#if defined(ERL_DRV_DIRTY_SCHEDULER_SUPPORT) || defined(ERL_NIF_DIRTY_SCHEDULER_SUPPORT) +typedef enum { + ERL_DRV_DIRTY_JOB_CPU_BOUND = 1, + ERL_DRV_DIRTY_JOB_IO_BOUND = 2 +} ErlDrvDirtyJobFlags; +#endif + #endif /* __ERL_DRV_NIF_H__ */ diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c index 4f1bba8657..147249f751 100644 --- a/erts/emulator/beam/erl_drv_thread.c +++ b/erts/emulator/beam/erl_drv_thread.c @@ -78,8 +78,6 @@ struct ErlDrvTid_ { static ethr_tsd_key tid_key; -static ethr_thr_opts def_ethr_opts = ETHR_THR_OPTS_DEFAULT_INITER; - #else /* USE_THREADS */ static Uint tsd_len; static void **tsd; @@ -123,7 +121,7 @@ void erl_drv_thr_init(void) { int i; #ifdef USE_THREADS - int res = ethr_tsd_key_create(&tid_key); + int res = ethr_tsd_key_create(&tid_key,"erts_tid_key"); if (res == 0) res = ethr_install_exit_handler(thread_exit_handler); if (res != 0) @@ -605,6 +603,7 @@ erl_drv_thread_create(char *name, struct ErlDrvTid_ *dtid; ethr_thr_opts ethr_opts; ethr_thr_opts *use_opts; + ethr_thr_opts def_ethr_opts = ETHR_THR_OPTS_DEFAULT_INITER; if (!opts) use_opts = NULL; diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index c17256f466..d54658f1ea 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -178,6 +178,11 @@ int erts_compat_rel; static int no_schedulers; static int no_schedulers_online; +#ifdef ERTS_DIRTY_SCHEDULERS +static int no_dirty_cpu_schedulers; +static int no_dirty_cpu_schedulers_online; +static int no_dirty_io_schedulers; +#endif #ifdef DEBUG Uint32 verbose; /* See erl_debug.h for information about verbose */ @@ -304,7 +309,13 @@ erl_init(int ncpu, erts_init_sys_common_misc(); erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab); erts_init_scheduling(no_schedulers, - no_schedulers_online); + no_schedulers_online +#ifdef ERTS_DIRTY_SCHEDULERS + , no_dirty_cpu_schedulers, + no_dirty_cpu_schedulers_online, + no_dirty_io_schedulers +#endif + ); erts_init_cpu_topology(); /* Must be after init_scheduling */ erts_init_gc(); /* Must be after init_scheduling */ erts_alloc_late_init(); @@ -709,7 +720,7 @@ early_init(int *argc, char **argv) /* #endif #ifdef ERTS_SMP erts_smp_atomic32_init_nob(&erts_writing_erl_crash_dump, 0L); - erts_tsd_key_create(&erts_is_crash_dumping_key); + erts_tsd_key_create(&erts_is_crash_dumping_key,"erts_is_crash_dumping_key"); #else erts_writing_erl_crash_dump = 0; #endif @@ -780,7 +791,7 @@ early_init(int *argc, char **argv) /* case 'A': { /* set number of threads in thread pool */ char *arg = get_arg(argv[i]+2, argv[i+1], &i); - if (((erts_async_max_threads = atoi(arg)) < 0) || + if (((erts_async_max_threads = atoi(arg)) < ERTS_MIN_NO_OF_ASYNC_THREADS) || (erts_async_max_threads > ERTS_MAX_NO_OF_ASYNC_THREADS)) { erts_fprintf(stderr, "bad number of async threads %s\n", @@ -835,7 +846,7 @@ early_init(int *argc, char **argv) /* else if (argv[i][2] == 'D') { char *arg; char *type = argv[i]+3; - if (strcmp(type, "Pcpu") == 0) { + if (strncmp(type, "Pcpu", 4) == 0) { int ptot, ponln; arg = get_arg(argv[i]+7, argv[i+1], &i); switch (sscanf(arg, "%d:%d", &ptot, &ponln)) { @@ -872,7 +883,7 @@ early_init(int *argc, char **argv) /* VERBOSE(DEBUG_SYSTEM, ("using %d:%d dirty CPU scheduler percentages\n", dirty_cpu_scheds_pctg, dirty_cpu_scheds_onln_pctg)); - } else if (strcmp(type, "cpu") == 0) { + } else if (strncmp(type, "cpu", 3) == 0) { int tot, onln; arg = get_arg(argv[i]+6, argv[i+1], &i); switch (sscanf(arg, "%d:%d", &tot, &onln)) { @@ -923,7 +934,7 @@ early_init(int *argc, char **argv) /* } VERBOSE(DEBUG_SYSTEM, ("using %d:%d dirty CPU scheduler(s)\n", tot, onln)); - } else if (strcmp(type, "io") == 0) { + } else if (strncmp(type, "io", 2) == 0) { arg = get_arg(argv[i]+5, argv[i+1], &i); dirty_io_scheds = atoi(arg); if (dirty_io_scheds < 0 || @@ -1055,9 +1066,9 @@ early_init(int *argc, char **argv) /* erts_no_schedulers = (Uint) no_schedulers; #endif #ifdef ERTS_DIRTY_SCHEDULERS - erts_no_dirty_cpu_schedulers = dirty_cpu_scheds; - erts_no_dirty_cpu_schedulers_online = dirty_cpu_scheds_online; - erts_no_dirty_io_schedulers = dirty_io_scheds; + erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers = dirty_cpu_scheds; + no_dirty_cpu_schedulers_online = dirty_cpu_scheds_online; + erts_no_dirty_io_schedulers = no_dirty_io_schedulers = dirty_io_scheds; #endif erts_early_init_scheduling(no_schedulers); diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index a8ff94ac89..7e3a90779d 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -241,6 +241,8 @@ struct erts_lc_locked_lock_t_ { erts_lc_locked_lock_t *prev; UWord extra; Sint16 id; + char *file; + unsigned int line; Uint16 flags; }; @@ -430,47 +432,51 @@ make_my_locked_locks(void) } static ERTS_INLINE erts_lc_locked_lock_t * -new_locked_lock(erts_lc_lock_t *lck, Uint16 op_flags) +new_locked_lock(erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line) { erts_lc_locked_lock_t *l_lck = (erts_lc_locked_lock_t *) lc_alloc(); l_lck->next = NULL; l_lck->prev = NULL; l_lck->id = lck->id; l_lck->extra = lck->extra; + l_lck->file = file; + l_lck->line = line; l_lck->flags = lck->flags | op_flags; return l_lck; } static void -print_lock2(char *prefix, Sint16 id, Wterm extra, Uint16 flags, char *suffix) +raw_print_lock(char *prefix, Sint16 id, Wterm extra, Uint16 flags, + char* file, unsigned int line, char *suffix) { char *lname = (0 <= id && id < ERTS_LOCK_ORDER_SIZE ? erts_lock_order[id].name : "unknown"); + erts_fprintf(stderr,"%s'%s:",prefix,lname); + if (is_not_immed(extra)) - erts_fprintf(stderr, - "%s'%s:%p%s'%s%s", - prefix, - lname, - _unchecked_boxed_val(extra), - lock_type(flags), - rw_op_str(flags), - suffix); + erts_fprintf(stderr,"%p",_unchecked_boxed_val(extra)); else - erts_fprintf(stderr, - "%s'%s:%T%s'%s%s", - prefix, - lname, - extra, - lock_type(flags), - rw_op_str(flags), - suffix); + erts_fprintf(stderr,"%T",extra); + erts_fprintf(stderr,"%s",lock_type(flags)); + + if (file) + erts_fprintf(stderr,"(%s:%d)",file,line); + + erts_fprintf(stderr,"'%s%s",rw_op_str(flags),suffix); +} + +static void +print_lock2(char *prefix, Sint16 id, Wterm extra, Uint16 flags, char *suffix) +{ + raw_print_lock(prefix, id, extra, flags, NULL, 0, suffix); } static void print_lock(char *prefix, erts_lc_lock_t *lck, char *suffix) { - print_lock2(prefix, lck->id, lck->extra, lck->flags, suffix); + raw_print_lock(prefix, lck->id, lck->extra, lck->flags, NULL, 0, suffix); } static void @@ -486,7 +492,8 @@ print_curr_locks(erts_lc_locked_locks_t *l_lcks) "Currently these locks are locked by the %s thread:\n", l_lcks->thread_name); for (l_lck = l_lcks->locked.first; l_lck; l_lck = l_lck->next) - print_lock2(" ", l_lck->id, l_lck->extra, l_lck->flags, "\n"); + raw_print_lock(" ", l_lck->id, l_lck->extra, l_lck->flags, + l_lck->file, l_lck->line, "\n"); } } @@ -1002,7 +1009,8 @@ erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags) #endif } -void erts_lc_trylock_flg(int locked, erts_lc_lock_t *lck, Uint16 op_flags) +void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line) { erts_lc_locked_locks_t *l_lcks; erts_lc_locked_lock_t *l_lck; @@ -1014,7 +1022,7 @@ void erts_lc_trylock_flg(int locked, erts_lc_lock_t *lck, Uint16 op_flags) return; l_lcks = make_my_locked_locks(); - l_lck = locked ? new_locked_lock(lck, op_flags) : NULL; + l_lck = locked ? new_locked_lock(lck, op_flags, file, line) : NULL; if (!l_lcks->locked.last) { ASSERT(!l_lcks->locked.first); @@ -1055,13 +1063,14 @@ void erts_lc_trylock_flg(int locked, erts_lc_lock_t *lck, Uint16 op_flags) } -void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags) +void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line) { erts_lc_locked_locks_t *l_lcks = make_my_locked_locks(); erts_lc_locked_lock_t *l_lck = l_lcks->locked.first; if (!find_lock(&l_lck, lck)) required_not_locked(l_lcks, lck); - l_lck = new_locked_lock(lck, op_flags); + l_lck = new_locked_lock(lck, op_flags, file, line); if (!l_lcks->required.last) { ASSERT(!l_lcks->required.first); l_lck->next = l_lck->prev = NULL; @@ -1129,7 +1138,8 @@ void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags) lc_free((void *) l_lck); } -void erts_lc_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags) +void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line) { erts_lc_locked_locks_t *l_lcks; erts_lc_locked_lock_t *l_lck; @@ -1141,7 +1151,7 @@ void erts_lc_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags) return; l_lcks = make_my_locked_locks(); - l_lck = new_locked_lock(lck, op_flags); + l_lck = new_locked_lock(lck, op_flags, file, line); if (!l_lcks->locked.last) { ASSERT(!l_lcks->locked.first); @@ -1232,15 +1242,15 @@ erts_lc_trylock_force_busy(erts_lc_lock_t *lck) } void -erts_lc_trylock(int locked, erts_lc_lock_t *lck) +erts_lc_trylock_x(int locked, erts_lc_lock_t *lck, char *file, unsigned int line) { - erts_lc_trylock_flg(locked, lck, 0); + erts_lc_trylock_flg_x(locked, lck, 0, file, line); } void -erts_lc_lock(erts_lc_lock_t *lck) +erts_lc_lock_x(erts_lc_lock_t *lck, char *file, unsigned int line) { - erts_lc_lock_flg(lck, 0); + erts_lc_lock_flg_x(lck, 0, file, line); } void @@ -1254,9 +1264,9 @@ void erts_lc_might_unlock(erts_lc_lock_t *lck) erts_lc_might_unlock_flg(lck, 0); } -void erts_lc_require_lock(erts_lc_lock_t *lck) +void erts_lc_require_lock(erts_lc_lock_t *lck, char *file, unsigned int line) { - erts_lc_require_lock_flg(lck, 0); + erts_lc_require_lock_flg(lck, 0, file, line); } void erts_lc_unrequire_lock(erts_lc_lock_t *lck) @@ -1322,7 +1332,7 @@ erts_lc_init(void) if (ethr_spinlock_init(&free_blocks_lock) != 0) lc_abort(); - erts_tsd_key_create(&locks_key); + erts_tsd_key_create(&locks_key,"erts_lock_check_key"); } void diff --git a/erts/emulator/beam/erl_lock_check.h b/erts/emulator/beam/erl_lock_check.h index 068340abe7..3f7f417e61 100644 --- a/erts/emulator/beam/erl_lock_check.h +++ b/erts/emulator/beam/erl_lock_check.h @@ -35,6 +35,11 @@ #ifdef ERTS_ENABLE_LOCK_CHECK +#ifndef ERTS_ENABLE_LOCK_POSITION +/* Enable in order for _x variants of mtx functions to be used. */ +#define ERTS_ENABLE_LOCK_POSITION 1 +#endif + typedef struct { int inited; Sint16 id; @@ -79,13 +84,16 @@ void erts_lc_have_locks(int *resv, erts_lc_lock_t *lcks, int len); void erts_lc_have_lock_ids(int *resv, int *ids, int len); void erts_lc_check_no_locked_of_type(Uint16 flags); int erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags); -void erts_lc_trylock_flg(int locked, erts_lc_lock_t *lck, Uint16 op_flags); -void erts_lc_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags); +void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line); +void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line); void erts_lc_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags); void erts_lc_might_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags); int erts_lc_trylock_force_busy(erts_lc_lock_t *lck); -void erts_lc_trylock(int locked, erts_lc_lock_t *lck); -void erts_lc_lock(erts_lc_lock_t *lck); +void erts_lc_trylock_x(int locked, erts_lc_lock_t *lck, + char* file, unsigned int line); +void erts_lc_lock_x(erts_lc_lock_t *lck, char* file, unsigned int line); void erts_lc_unlock(erts_lc_lock_t *lck); void erts_lc_might_unlock(erts_lc_lock_t *lck); void erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags); @@ -96,10 +104,11 @@ int erts_lc_assert_failed(char *file, int line, char *assertion); void erts_lc_set_thread_name(char *thread_name); void erts_lc_pll(void); -void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags); +void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags, + char *file, unsigned int line); void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags); -void erts_lc_require_lock(erts_lc_lock_t *lck); +void erts_lc_require_lock(erts_lc_lock_t *lck, char *file, unsigned int line); void erts_lc_unrequire_lock(erts_lc_lock_t *lck); int erts_lc_is_emu_thr(void); @@ -116,4 +125,9 @@ int erts_lc_is_emu_thr(void); #define ERTS_LC_ASSERT(A) ((void) 1) #endif /* #ifdef ERTS_ENABLE_LOCK_CHECK */ +#define erts_lc_lock(lck) erts_lc_lock_x(lck,__FILE__,__LINE__) +#define erts_lc_trylock(res,lck) erts_lc_trylock_x(res,lck,__FILE__,__LINE__) +#define erts_lc_lock_flg(lck) erts_lc_lock_flg_x(lck,__FILE__,__LINE__) +#define erts_lc_trylock_flg(res,lck) erts_lc_trylock_flg_x(res,lck,__FILE__,__LINE__) + #endif /* #ifndef ERTS_LOCK_CHECK_H__ */ diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c index 5f75b0ac0b..6f44bf097b 100644 --- a/erts/emulator/beam/erl_lock_count.c +++ b/erts/emulator/beam/erl_lock_count.c @@ -236,7 +236,7 @@ void erts_lcnt_init() { /* init tsd */ lcnt_n_thr = 0; - ethr_tsd_key_create(&lcnt_thr_data_key); + ethr_tsd_key_create(&lcnt_thr_data_key,"lcnt_data"); lcnt_lock(); diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h index a4fc91b510..75f7cd028b 100644 --- a/erts/emulator/beam/erl_lock_count.h +++ b/erts/emulator/beam/erl_lock_count.h @@ -61,8 +61,14 @@ #define ERTS_LOCK_COUNT_H__ #ifdef ERTS_ENABLE_LOCK_COUNT +#ifndef ERTS_ENABLE_LOCK_POSITION +/* Enable in order for _x variants of mtx functions to be used. */ +#define ERTS_ENABLE_LOCK_POSITION 1 +#endif + #include "ethread.h" + #define ERTS_LCNT_MAX_LOCK_LOCATIONS (10) #define ERTS_LCNT_LT_SPINLOCK (((Uint16) 1) << 0) diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index c35f1fc2c6..40860e141c 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -876,7 +876,7 @@ int enif_get_list_cell(ErlNifEnv* env, Eterm term, Eterm* head, Eterm* tail) int enif_get_list_length(ErlNifEnv* env, Eterm term, unsigned* len) { if (is_not_list(term) && is_not_nil(term)) return 0; - *len = list_length(term); + *len = erts_list_length(term); return 1; } @@ -1237,6 +1237,19 @@ static void steal_resource_type(ErlNifResourceType* type) } } +/* The opened_rt_list is used by enif_open_resource_type() + * in order to rollback "creates" and "take-overs" in case the load fails. + */ +struct opened_resource_type +{ + struct opened_resource_type* next; + + ErlNifResourceFlags op; + ErlNifResourceType* type; + ErlNifResourceDtor* new_dtor; +}; +static struct opened_resource_type* opened_rt_list = NULL; + ErlNifResourceType* enif_open_resource_type(ErlNifEnv* env, const char* module_str, @@ -1258,22 +1271,21 @@ enif_open_resource_type(ErlNifEnv* env, if (type == NULL) { if (flags & ERL_NIF_RT_CREATE) { type = erts_alloc(ERTS_ALC_T_NIF, - sizeof(struct enif_resource_type_t)); - type->dtor = dtor; + sizeof(struct enif_resource_type_t)); type->module = module_am; type->name = name_am; erts_refc_init(&type->refc, 1); - type->owner = env->mod_nif; - type->prev = &resource_type_list; - type->next = resource_type_list.next; - type->next->prev = type; - type->prev->next = type; op = ERL_NIF_RT_CREATE; + #ifdef DEBUG + type->dtor = (void*)1; + type->owner = (void*)2; + type->prev = (void*)3; + type->next = (void*)4; + #endif } } else { - if (flags & ERL_NIF_RT_TAKEOVER) { - steal_resource_type(type); + if (flags & ERL_NIF_RT_TAKEOVER) { op = ERL_NIF_RT_TAKEOVER; } else { @@ -1281,12 +1293,13 @@ enif_open_resource_type(ErlNifEnv* env, } } if (type != NULL) { - type->owner = env->mod_nif; - type->dtor = dtor; - if (type->dtor != NULL) { - erts_refc_inc(&type->owner->rt_dtor_cnt, 1); - } - erts_refc_inc(&type->owner->rt_cnt, 1); + struct opened_resource_type* ort = erts_alloc(ERTS_ALC_T_TMP, + sizeof(struct opened_resource_type)); + ort->op = op; + ort->type = type; + ort->new_dtor = dtor; + ort->next = opened_rt_list; + opened_rt_list = ort; } if (tried != NULL) { *tried = op; @@ -1294,6 +1307,51 @@ enif_open_resource_type(ErlNifEnv* env, return type; } +static void commit_opened_resource_types(struct erl_module_nif* lib) +{ + while (opened_rt_list) { + struct opened_resource_type* ort = opened_rt_list; + + ErlNifResourceType* type = ort->type; + + if (ort->op == ERL_NIF_RT_CREATE) { + type->prev = &resource_type_list; + type->next = resource_type_list.next; + type->next->prev = type; + type->prev->next = type; + } + else { /* ERL_NIF_RT_TAKEOVER */ + steal_resource_type(type); + } + + type->owner = lib; + type->dtor = ort->new_dtor; + + if (type->dtor != NULL) { + erts_refc_inc(&lib->rt_dtor_cnt, 1); + } + erts_refc_inc(&lib->rt_cnt, 1); + + opened_rt_list = ort->next; + erts_free(ERTS_ALC_T_TMP, ort); + } +} + +static void rollback_opened_resource_types(void) +{ + while (opened_rt_list) { + struct opened_resource_type* ort = opened_rt_list; + + if (ort->op == ERL_NIF_RT_CREATE) { + erts_free(ERTS_ALC_T_NIF, ort->type); + } + + opened_rt_list = ort->next; + erts_free(ERTS_ALC_T_TMP, ort); + } +} + + static void nif_resource_dtor(Binary* bin) { ErlNifResource* resource = (ErlNifResource*) ERTS_MAGIC_BIN_DATA(bin); @@ -1319,6 +1377,8 @@ void* enif_alloc_resource(ErlNifResourceType* type, size_t size) { Binary* bin = erts_create_magic_binary(SIZEOF_ErlNifResource(size), &nif_resource_dtor); ErlNifResource* resource = ERTS_MAGIC_BIN_DATA(bin); + + ASSERT(type->owner && type->next && type->prev); /* not allowed in load/upgrade */ resource->type = type; erts_refc_inc(&bin->refc, 1); #ifdef DEBUG @@ -1510,6 +1570,13 @@ enif_schedule_dirty_nif(ErlNifEnv* env, int flags, a = erts_smp_atomic32_read_acqb(&proc->state); while (1) { n = state = a; + /* + * clear any current dirty flags and dirty queue indicators, + * in case the application is shifting a job from one type + * of dirty scheduler to the other + */ + n &= ~(ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC + |ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q); if (chkflgs == ERL_NIF_DIRTY_JOB_CPU_BOUND) n |= ERTS_PSFLG_DIRTY_CPU_PROC; else @@ -1540,22 +1607,15 @@ enif_schedule_dirty_nif_finalizer(ErlNifEnv* env, ERL_NIF_TERM result, ERL_NIF_TERM (*fp)(ErlNifEnv*, ERL_NIF_TERM)) { #ifdef USE_THREADS - erts_aint32_t state, n, a; Process* proc = env->proc; Eterm* reg = ERTS_PROC_GET_SCHDATA(proc)->x_reg_array; Export* ep; - a = erts_smp_atomic32_read_acqb(&proc->state); - while (1) { - n = state = a; - if (!(n & (ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q))) - break; - n &= ~(ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC - |ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q); - a = erts_smp_atomic32_cmpxchg_mb(&proc->state, n, state); - if (a == state) - break; - } + erts_smp_atomic32_read_band_mb(&proc->state, + ~(ERTS_PSFLG_DIRTY_CPU_PROC + |ERTS_PSFLG_DIRTY_IO_PROC + |ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q + |ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)); if (!(ep = ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(proc))) alloc_proc_psd(proc, &ep); ERTS_VBUMP_ALL_REDS(proc); @@ -2040,9 +2100,15 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) lib->entry = entry; erts_refc_init(&lib->rt_cnt, 0); erts_refc_init(&lib->rt_dtor_cnt, 0); + ASSERT(opened_rt_list == NULL); lib->mod = mod; env.mod_nif = lib; - if (mod->curr.nif != NULL) { /* Reload */ + if (mod->curr.nif != NULL) { /*************** Reload ******************/ + /* + * Repeated load_nif calls from same Erlang module instance ("reload") + * is deprecated and was only ment as a development feature not to + * be used in production systems. (See warning below) + */ int k; lib->priv_data = mod->curr.nif->priv_data; @@ -2074,6 +2140,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful."); } else { + commit_opened_resource_types(lib); mod->curr.nif->entry = NULL; /* to prevent 'unload' callback */ erts_unload_nif(mod->curr.nif); reload_warning = 1; @@ -2081,7 +2148,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) } else { lib->priv_data = NULL; - if (mod->old.nif != NULL) { /* Upgrade */ + if (mod->old.nif != NULL) { /**************** Upgrade ***************/ void* prev_old_data = mod->old.nif->priv_data; if (entry->upgrade == NULL) { ret = load_nif_error(BIF_P, upgrade, "Upgrade not supported by this NIF library."); @@ -2094,17 +2161,18 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) mod->old.nif->priv_data = prev_old_data; ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful."); } - /*else if (mod->old_nif->priv_data != prev_old_data) { - refresh_cached_nif_data(mod->old_code, mod->old_nif); - }*/ + else + commit_opened_resource_types(lib); } - else if (entry->load != NULL) { /* Initial load */ + else if (entry->load != NULL) { /********* Initial load ***********/ erts_pre_nif(&env, BIF_P, lib); veto = entry->load(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful."); } + else + commit_opened_resource_types(lib); } } if (ret == am_ok) { @@ -2133,6 +2201,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) } else { error: + rollback_opened_resource_types(); ASSERT(ret != am_ok); if (lib != NULL) { erts_free(ERTS_ALC_T_NIF, lib); diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 7613446f64..c12ba4d554 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -172,8 +172,8 @@ typedef ErlDrvThreadOpts ErlNifThreadOpts; #ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT typedef enum { - ERL_NIF_DIRTY_JOB_CPU_BOUND = 1, - ERL_NIF_DIRTY_JOB_IO_BOUND = 2 + ERL_NIF_DIRTY_JOB_CPU_BOUND = ERL_DRV_DIRTY_JOB_CPU_BOUND, + ERL_NIF_DIRTY_JOB_IO_BOUND = ERL_DRV_DIRTY_JOB_IO_BOUND }ErlNifDirtyTaskFlags; #endif diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index d4108067d0..fb6048b41f 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1681,7 +1681,8 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) reds = ERTS_PORT_REDS_INPUT; ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0); DTRACE_DRIVER(driver_ready_input, pp); - /* NOTE some windows drivers use ->ready_input for input and output */ + /* NOTE some windows/ose drivers use ->ready_input + for input and output */ (*pp->drv_ptr->ready_input)((ErlDrvData) pp->drv_data, ptp->u.alive.td.io.event); io_tasks_executed++; diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h index 123253a057..1d30465ec9 100644 --- a/erts/emulator/beam/erl_port_task.h +++ b/erts/emulator/beam/erl_port_task.h @@ -185,11 +185,13 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp, Eterm instr_id) ptsp->taskq.in.last = NULL; erts_smp_atomic32_init_nob(&ptsp->flags, 0); #ifdef ERTS_SMP + erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id, #ifdef ERTS_ENABLE_LOCK_COUNT - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)) - lock_str = NULL; + (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) +#else + 1 #endif - erts_mtx_init_x(&ptsp->mtx, lock_str, instr_id); + ); #endif } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 937881212a..37e1d07107 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -44,6 +44,7 @@ #include "dtrace-wrapper.h" #include "erl_ptab.h" + #define ERTS_DELAYED_WAKEUP_INFINITY (~(Uint64) 0) #define ERTS_DELAYED_WAKEUP_REDUCTIONS ((Uint64) CONTEXT_REDS/2) @@ -53,7 +54,11 @@ #define ERTS_PROC_MIN_CONTEXT_SWITCH_REDS_COST (CONTEXT_REDS/10) +#ifndef ERTS_SCHED_MIN_SPIN #define ERTS_SCHED_SPIN_UNTIL_YIELD 100 +#else +#define ERTS_SCHED_SPIN_UNTIL_YIELD 1 +#endif #define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_LONG 40 #define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_LONG 1000 @@ -148,7 +153,6 @@ int erts_sched_balance_util = 0; Uint erts_no_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS Uint erts_no_dirty_cpu_schedulers; -Uint erts_no_dirty_cpu_schedulers_online; Uint erts_no_dirty_io_schedulers; #endif @@ -188,6 +192,13 @@ static ErtsAuxWorkData *aux_thread_aux_work_data; #define ERTS_SCHDLR_SSPND_CHNG_SET(VAL, OLD_VAL) \ erts_smp_atomic32_set_nob(&schdlr_sspnd.changing, (VAL)) +#ifdef ERTS_DIRTY_SCHEDULERS +#define ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(VAL, OLD_VAL) \ + erts_smp_atomic32_set_nob(&schdlr_sspnd.dirty_cpu_changing, (VAL)) +#define ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(VAL, OLD_VAL) \ + erts_smp_atomic32_set_nob(&schdlr_sspnd.dirty_io_changing, (VAL)) +#endif + #else #define ERTS_SCHDLR_SSPND_CHNG_SET(VAL, OLD_VAL) \ @@ -198,6 +209,23 @@ do { \ ASSERT(old_val__ == (OLD_VAL)); \ } while (0) +#ifdef ERTS_DIRTY_SCHEDULERS +#define ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(VAL, OLD_VAL) \ +do { \ + erts_aint32_t old_val__; \ + old_val__ = erts_smp_atomic32_xchg_nob(&schdlr_sspnd.dirty_cpu_changing, \ + (VAL)); \ + ASSERT(old_val__ == (OLD_VAL)); \ +} while (0) +#define ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(VAL, OLD_VAL) \ +do { \ + erts_aint32_t old_val__; \ + old_val__ = erts_smp_atomic32_xchg_nob(&schdlr_sspnd.dirty_io_changing, \ + (VAL)); \ + ASSERT(old_val__ == (OLD_VAL)); \ +} while (0) +#endif + #endif @@ -207,11 +235,29 @@ static struct { int online; int curr_online; int wait_curr_online; +#ifdef ERTS_DIRTY_SCHEDULERS + int dirty_cpu_online; + int dirty_cpu_curr_online; + int dirty_cpu_wait_curr_online; + int dirty_io_online; + int dirty_io_curr_online; + int dirty_io_wait_curr_online; +#endif erts_smp_atomic32_t changing; erts_smp_atomic32_t active; +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_atomic32_t dirty_cpu_changing; + erts_smp_atomic32_t dirty_cpu_active; + erts_smp_atomic32_t dirty_io_changing; + erts_smp_atomic32_t dirty_io_active; +#endif struct { int ongoing; long wait_active; +#ifdef ERTS_DIRTY_SCHEDULERS + long dirty_cpu_wait_active; + long dirty_io_wait_active; +#endif ErtsProcList *procs; } msb; /* Multi Scheduling Block */ } schdlr_sspnd; @@ -467,7 +513,7 @@ dbg_chk_aux_work_val(erts_aint32_t value) #ifdef ERTS_SMP static void handle_pending_exiters(ErtsProcList *); - +static void wake_scheduler(ErtsRunQueue *rq); #endif #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) @@ -507,7 +553,7 @@ void erts_pre_init_process(void) { #ifdef USE_THREADS - erts_tsd_key_create(&sched_data_key); + erts_tsd_key_create(&sched_data_key, "erts_sched_data_key"); #endif #ifdef ERTS_ENABLE_LOCK_CHECK @@ -1306,6 +1352,9 @@ static ERTS_INLINE void haw_thr_prgr_current_check_progress(ErtsAuxWorkData *awdp) { ErtsThrPrgrVal current = awdp->current_thr_prgr; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif if (current != ERTS_THR_PRGR_INVALID && !erts_thr_progress_equal(current, erts_thr_progress_current())) { /* @@ -1322,6 +1371,10 @@ handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, in { int jix, max_jix; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif + ASSERT(awdp->delayed_wakeup.next != ERTS_DELAYED_WAKEUP_INFINITY); if (!waiting && awdp->delayed_wakeup.next > awdp->esdp->reductions) @@ -1477,6 +1530,9 @@ handle_misc_aux_work_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif if (!erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp), awdp->misc.thr_prgr)) return aux_work & ~ERTS_SSI_AUX_WORK_MISC_THR_PRGR; @@ -1561,6 +1617,9 @@ handle_async_ready(ErtsAuxWorkData *awdp, int waiting) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_ASYNC_READY); if (erts_check_async_ready(awdp->async_ready.queue)) { if (set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_ASYNC_READY) @@ -1585,6 +1644,9 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, { void *thr_prgr_p; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif #ifdef ERTS_SMP if (awdp->async_ready.need_thr_prgr && !erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp), @@ -1622,6 +1684,9 @@ handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) ErtsSchedulerSleepInfo *ssi = awdp->ssi; erts_aint32_t res; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif unset_aux_work_flags(ssi, (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC)); aux_work &= ~(ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM @@ -1655,11 +1720,7 @@ erts_alloc_ensure_handle_delayed_dealloc_call(int ix) { #ifdef DEBUG ErtsSchedulerData *esdp = erts_get_scheduler_data(); -#ifdef ERTS_DIRTY_SCHEDULERS - if (esdp && ERTS_SCHEDULER_IS_DIRTY(esdp)) - return; -#endif - ASSERT(!esdp || ix == (int) esdp->no); + ASSERT(!esdp || (ERTS_SCHEDULER_IS_DIRTY(esdp) || ix == (int) esdp->no)); #endif set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(ix-1), ERTS_SSI_AUX_WORK_DD); @@ -1673,6 +1734,9 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waitin ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID; int more_work = 0; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD); erts_alloc_scheduler_handle_delayed_dealloc((void *) awdp->esdp, &need_thr_progress, @@ -1712,6 +1776,9 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, i ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID; ErtsThrPrgrVal current = haw_thr_prgr_current(awdp); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif if (!erts_thr_progress_has_reached_this(current, awdp->dd.thr_prgr)) return aux_work & ~ERTS_SSI_AUX_WORK_DD_THR_PRGR; @@ -1759,6 +1826,9 @@ handle_thr_prgr_later_op(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int wait int lops; ErtsThrPrgrVal current = haw_thr_prgr_current(awdp); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif for (lops = 0; lops < ERTS_MAX_THR_PRGR_LATER_OPS; lops++) { ErtsThrPrgrLaterOp *lop = awdp->later_op.first; if (!erts_thr_progress_has_reached_this(current, lop->later)) @@ -1917,6 +1987,14 @@ erts_smp_notify_check_children_needed(void) for (i = 0; i < erts_no_schedulers; i++) set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(i), ERTS_SSI_AUX_WORK_CHECK_CHILDREN); +#ifdef ERTS_DIRTY_SCHEDULERS + for (i = 0; i < erts_no_dirty_cpu_schedulers; i++) + set_aux_work_flags_wakeup_nob(ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(i), + ERTS_SSI_AUX_WORK_CHECK_CHILDREN); + for (i = 0; i < erts_no_dirty_io_schedulers; i++) + set_aux_work_flags_wakeup_nob(ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(i), + ERTS_SSI_AUX_WORK_CHECK_CHILDREN); +#endif } static ERTS_INLINE erts_aint32_t @@ -2302,14 +2380,24 @@ try_set_sys_scheduling(void) #endif static ERTS_INLINE int -prepare_for_sys_schedule(void) +prepare_for_sys_schedule(ErtsSchedulerData *esdp) { #ifdef ERTS_SMP while (!erts_port_task_have_outstanding_io_tasks() && try_set_sys_scheduling()) { - if (!erts_port_task_have_outstanding_io_tasks()) - return 1; +#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1 + if (esdp->no != 1) { + /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used + then we make sure to wake scheduler 1 */ + ErtsRunQueue *rq = ERTS_RUNQ_IX(0); clear_sys_scheduling(); + wake_scheduler(rq); + return 0; + } +#endif + if (!erts_port_task_have_outstanding_io_tasks()) + return 1; + clear_sys_scheduling(); } return 0; #else @@ -2615,6 +2703,8 @@ aux_thread(void *unused) erts_thr_progress_active(NULL, thr_prgr_active = 0); erts_thr_progress_prepare_wait(NULL); + ERTS_SCHED_FAIR_YIELD(); + flgs = sched_spin_wait(ssi, 0); if (flgs & ERTS_SSI_FLG_SLEEPING) { @@ -2682,7 +2772,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * be waiting in erl_sys_schedule() */ - if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule()) { + if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp)) { sched_waiting(esdp->no, rq); @@ -2697,15 +2787,15 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) while (1) { - aux_work = ERTS_SCHEDULER_IS_DIRTY(esdp) ? 0 : - erts_atomic32_read_acqb(&ssi->aux_work); + aux_work = erts_atomic32_read_acqb(&ssi->aux_work); if (aux_work) { - if (!thr_prgr_active) { + if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && !thr_prgr_active) { erts_thr_progress_active(esdp, thr_prgr_active = 1); sched_wall_time_change(esdp, 1); } aux_work = handle_aux_work(&esdp->aux_work_data, aux_work, 1); - if (aux_work && erts_thr_progress_update(esdp)) + if (aux_work && !ERTS_SCHEDULER_IS_DIRTY(esdp) + && erts_thr_progress_update(esdp)) erts_thr_progress_leader_update(esdp); } @@ -2720,6 +2810,8 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) erts_thr_progress_prepare_wait(esdp); } + ERTS_SCHED_FAIR_YIELD(); + flgs = sched_spin_wait(ssi, spincount); if (flgs & ERTS_SSI_FLG_SLEEPING) { ASSERT(flgs & ERTS_SSI_FLG_WAITING); @@ -2775,6 +2867,10 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) #ifdef ERTS_DIRTY_SCHEDULERS ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); #endif + +#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1 + ASSERT(esdp->no == 1); +#endif sched_waiting_sys(esdp->no, rq); @@ -2795,7 +2891,6 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) sched_wall_time_change(esdp, working = 0); ASSERT(!erts_port_task_have_outstanding_io_tasks()); - erl_sys_schedule(1); /* Might give us something to do */ dt = erts_do_time_read_and_reset(); @@ -2841,7 +2936,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * Got to check that we still got I/O tasks; otherwise * we have to continue checking for I/O... */ - if (!prepare_for_sys_schedule()) { + if (!prepare_for_sys_schedule(esdp)) { spincount *= ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT; goto tse_wait; } @@ -2863,7 +2958,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) * Got to check that we still got I/O tasks; otherwise * we have to wait in erl_sys_schedule() after all... */ - if (!prepare_for_sys_schedule()) { + if (!prepare_for_sys_schedule(esdp)) { /* * Not allowed to wait in erl_sys_schedule; * do tse wait instead... @@ -2990,7 +3085,7 @@ wake_scheduler(ErtsRunQueue *rq) #ifdef ERTS_DIRTY_SCHEDULERS static void -wake_dirty_scheduler(ErtsRunQueue *rq) +wake_dirty_schedulers(ErtsRunQueue *rq, int one) { ErtsSchedulerSleepInfo *ssi; ErtsSchedulerSleepList *sl; @@ -3000,9 +3095,27 @@ wake_dirty_scheduler(ErtsRunQueue *rq) sl = &rq->sleepers; erts_smp_spin_lock(&sl->lock); ssi = sl->list; - if (!ssi) + if (!ssi) { erts_smp_spin_unlock(&sl->lock); - else { + if (one) + wake_scheduler(rq); + } else if (one) { + erts_aint32_t flgs; + if (ssi->prev) + ssi->prev->next = ssi->next; + else { + ASSERT(sl->list == ssi); + sl->list = ssi->next; + } + if (ssi->next) + ssi->next->prev = ssi->prev; + + erts_smp_spin_unlock(&sl->lock); + + ERTS_THR_MEMORY_BARRIER; + flgs = ssi_flags_set_wake(ssi); + erts_sched_finish_poke(ssi, flgs); + } else { sl->list = NULL; erts_smp_spin_unlock(&sl->lock); @@ -3154,7 +3267,7 @@ smp_notify_inc_runq(ErtsRunQueue *runq) if (runq) { #ifdef ERTS_DIRTY_SCHEDULERS if (ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) - wake_dirty_scheduler(runq); + wake_dirty_schedulers(runq, 1); else #endif wake_scheduler(runq); @@ -3452,6 +3565,7 @@ suspend_run_queue(ErtsRunQueue *rq) } static void scheduler_ix_resume_wake(Uint ix); +static void scheduler_ssi_resume_wake(ErtsSchedulerSleepInfo *ssi); static ERTS_INLINE void resume_run_queue(ErtsRunQueue *rq) @@ -3478,7 +3592,10 @@ resume_run_queue(ErtsRunQueue *rq) erts_smp_runq_unlock(rq); - scheduler_ix_resume_wake(rq->ix); +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) +#endif + scheduler_ix_resume_wake(rq->ix); } typedef struct { @@ -3509,20 +3626,28 @@ evacuate_run_queue(ErtsRunQueue *rq, int prio_q; ErtsRunQueue *to_rq; ErtsMigrationPaths *mps; - ErtsMigrationPath *mp; + ErtsMigrationPath *mp = NULL; ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED); - mps = erts_get_migration_paths_managed(); - mp = &mps->mpath[rq->ix]; +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) +#endif + { + mps = erts_get_migration_paths_managed(); + mp = &mps->mpath[rq->ix]; + } /* Evacuate scheduled misc ops */ if (rq->misc.start) { ErtsMiscOpList *start, *end; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!ERTS_RUNQ_IX_IS_DIRTY(rq->ix)); +#endif to_rq = mp->misc_evac_runq; if (!to_rq) return; @@ -3551,6 +3676,9 @@ evacuate_run_queue(ErtsRunQueue *rq, if (rq->ports.start) { Port *prt; +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!ERTS_RUNQ_IX_IS_DIRTY(rq->ix)); +#endif to_rq = mp->prio[ERTS_PORT_PRIO_LEVEL].runq; if (!to_rq) return; @@ -3586,15 +3714,26 @@ evacuate_run_queue(ErtsRunQueue *rq, erts_aint32_t state; Process *proc; int notify = 0; +#ifdef ERTS_DIRTY_SCHEDULERS + int requeue; +#endif to_rq = NULL; - if (!mp->prio[prio_q].runq) - return; - if (prio_q == PRIORITY_NORMAL && !mp->prio[PRIORITY_LOW].runq) - return; +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) +#endif + { + if (!mp->prio[prio_q].runq) + return; + if (prio_q == PRIORITY_NORMAL && !mp->prio[PRIORITY_LOW].runq) + return; + } proc = dequeue_process(rq, prio_q, &state); while (proc) { +#ifdef ERTS_DIRTY_SCHEDULERS + requeue = 1; +#endif if (ERTS_PSFLG_BOUND & state) { /* Bound processes get stuck here... */ proc->next = NULL; @@ -3603,12 +3742,43 @@ evacuate_run_queue(ErtsRunQueue *rq, else sbpp->first = proc; sbpp->last = proc; +#ifdef ERTS_DIRTY_SCHEDULERS + requeue = 0; +#endif } +#ifdef ERTS_DIRTY_SCHEDULERS + else if (state & ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q) { + erts_aint32_t old; + old = erts_smp_atomic32_read_band_nob(&proc->state, + ~(ERTS_PSFLG_DIRTY_CPU_PROC + | ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q)); + /* assert that no other dirty flags are set */ + ASSERT(!(old & (ERTS_PSFLG_DIRTY_IO_PROC|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q))); + } else if (state & ERTS_PSFLG_DIRTY_IO_PROC_IN_Q) { + erts_aint32_t old; + old = erts_smp_atomic32_read_band_nob(&proc->state, + ~(ERTS_PSFLG_DIRTY_IO_PROC + | ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)); + /* assert that no other dirty flags are set */ + ASSERT(!(old & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q))); + } + if (requeue) { +#else else { +#endif int prio = (int) ERTS_PSFLGS_GET_PRQ_PRIO(state); erts_smp_runq_unlock(rq); - to_rq = mp->prio[prio].runq; +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) + /* + * dirty run queues evacuate only to run + * queue 0 during multi-scheduling blocking + */ + to_rq = ERTS_RUNQ_IX(0); + else +#endif + to_rq = mp->prio[prio].runq; RUNQ_SET_RQ(&proc->run_queue, to_rq); erts_smp_runq_lock(to_rq); @@ -4722,13 +4892,20 @@ wakeup_other_check(ErtsRunQueue *rq, Uint32 flags) rq->wakeup_other += (left_len*wo_reds + ERTS_WAKEUP_OTHER_FIXED_INC); if (rq->wakeup_other > wakeup_other.limit) { - int empty_rqs = - erts_smp_atomic32_read_acqb(&no_empty_run_queues); - if (flags & ERTS_RUNQ_FLG_PROTECTED) - (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED); - if (empty_rqs != 0) - wake_scheduler_on_empty_runq(rq); - rq->wakeup_other = 0; +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix) && rq->waiting) + wake_dirty_schedulers(rq, 1); + else +#endif + { + int empty_rqs = + erts_smp_atomic32_read_acqb(&no_empty_run_queues); + if (flags & ERTS_RUNQ_FLG_PROTECTED) + (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED); + if (empty_rqs != 0) + wake_scheduler_on_empty_runq(rq); + rq->wakeup_other = 0; + } } } rq->wakeup_other_reds = 0; @@ -4889,11 +5066,17 @@ erts_early_init_scheduling(int no_schedulers) wakeup_other.threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM; wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT; #endif +#ifndef ERTS_SCHED_MIN_SPIN sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM; sched_busy_wait.tse = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM * ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT); sched_busy_wait.aux_work = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM * ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM); +#else + sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE; + sched_busy_wait.tse = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE; + sched_busy_wait.aux_work = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE; +#endif } int @@ -5009,8 +5192,12 @@ erts_sched_set_wake_cleanup_threshold(char *str) static void init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp) { - if (!esdp || ERTS_SCHEDULER_IS_DIRTY(esdp)) + if (!esdp) awdp->sched_id = 0; +#ifdef ERTS_DIRTY_SCHEDULERS + else if (ERTS_SCHEDULER_IS_DIRTY(esdp)) + awdp->sched_id = (int) ERTS_DIRTY_SCHEDULER_NO(esdp); +#endif else awdp->sched_id = (int) esdp->no; awdp->esdp = esdp; @@ -5076,11 +5263,11 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, #ifdef ERTS_DIRTY_SCHEDULERS if (ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) { esdp->no = 0; - esdp->dirty_no = (Uint) num; + ERTS_DIRTY_SCHEDULER_NO(esdp) = (Uint) num; } else { esdp->no = (Uint) num; - esdp->dirty_no = 0; + ERTS_DIRTY_SCHEDULER_NO(esdp) = 0; } #else esdp->no = (Uint) num; @@ -5111,7 +5298,12 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, } void -erts_init_scheduling(int no_schedulers, int no_schedulers_online) +erts_init_scheduling(int no_schedulers, int no_schedulers_online +#ifdef ERTS_DIRTY_SCHEDULERS + , int no_dirty_cpu_schedulers, int no_dirty_cpu_schedulers_online, + int no_dirty_io_schedulers +#endif + ) { int ix, n, no_ssi; char *daww_ptr; @@ -5133,6 +5325,12 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) ASSERT(no_schedulers_online <= no_schedulers); ASSERT(no_schedulers_online >= 1); ASSERT(no_schedulers >= 1); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(no_dirty_cpu_schedulers <= no_schedulers); + ASSERT(no_dirty_cpu_schedulers >= 1); + ASSERT(no_dirty_cpu_schedulers_online <= no_schedulers_online); + ASSERT(no_dirty_cpu_schedulers_online >= 1); +#endif /* Create and initialize run queues */ @@ -5169,10 +5367,9 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) #ifdef ERTS_DIRTY_SCHEDULERS #ifdef ERTS_SMP - if (ERTS_RUNQ_IX_IS_DIRTY(ix)) { + if (ERTS_RUNQ_IX_IS_DIRTY(ix)) erts_smp_spinlock_init(&rq->sleepers.lock, "dirty_run_queue_sleep_list"); - rq->sleepers.list = NULL; - } + rq->sleepers.list = NULL; #endif #endif @@ -5236,6 +5433,10 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) n = (int) no_schedulers; erts_no_schedulers = n; +#ifdef ERTS_DIRTY_SCHEDULERS + erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers; + erts_no_dirty_io_schedulers = no_dirty_io_schedulers; +#endif /* Create and initialize scheduler sleep info */ #ifdef ERTS_SMP @@ -5267,21 +5468,21 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) aligned_dirty_cpu_sched_sleep_info = erts_alloc_permanent_cache_aligned( ERTS_ALC_T_SCHDLR_SLP_INFO, - erts_no_dirty_cpu_schedulers*sizeof(ErtsAlignedSchedulerSleepInfo)); - for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) { + no_dirty_cpu_schedulers*sizeof(ErtsAlignedSchedulerSleepInfo)); + for (ix = 0; ix < no_dirty_cpu_schedulers; ix++) { ErtsSchedulerSleepInfo *ssi = &aligned_dirty_cpu_sched_sleep_info[ix].ssi; erts_smp_atomic32_init_nob(&ssi->flags, 0); - ssi->event = NULL; /* initialized in sched_thread_func */ + ssi->event = NULL; /* initialized in sched_dirty_cpu_thread_func */ erts_atomic32_init_nob(&ssi->aux_work, 0); } aligned_dirty_io_sched_sleep_info = erts_alloc_permanent_cache_aligned( ERTS_ALC_T_SCHDLR_SLP_INFO, - erts_no_dirty_io_schedulers*sizeof(ErtsAlignedSchedulerSleepInfo)); - for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { + no_dirty_io_schedulers*sizeof(ErtsAlignedSchedulerSleepInfo)); + for (ix = 0; ix < no_dirty_io_schedulers; ix++) { ErtsSchedulerSleepInfo *ssi = &aligned_dirty_io_sched_sleep_info[ix].ssi; erts_smp_atomic32_init_nob(&ssi->flags, 0); - ssi->event = NULL; /* initialized in sched_thread_func */ + ssi->event = NULL; /* initialized in sched_dirty_io_thread_func */ erts_atomic32_init_nob(&ssi->aux_work, 0); } #endif @@ -5314,8 +5515,8 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) erts_aligned_dirty_cpu_scheduler_data = erts_alloc_permanent_cache_aligned( ERTS_ALC_T_SCHDLR_DATA, - erts_no_dirty_cpu_schedulers*sizeof(ErtsAlignedSchedulerData)); - for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) { + no_dirty_cpu_schedulers*sizeof(ErtsAlignedSchedulerData)); + for (ix = 0; ix < no_dirty_cpu_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); init_scheduler_data(esdp, ix+1, ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix), ERTS_DIRTY_CPU_RUNQ, NULL, 0); @@ -5323,8 +5524,8 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) erts_aligned_dirty_io_scheduler_data = erts_alloc_permanent_cache_aligned( ERTS_ALC_T_SCHDLR_DATA, - erts_no_dirty_io_schedulers*sizeof(ErtsAlignedSchedulerData)); - for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { + no_dirty_io_schedulers*sizeof(ErtsAlignedSchedulerData)); + for (ix = 0; ix < no_dirty_io_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix); init_scheduler_data(esdp, ix+1, ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix), ERTS_DIRTY_IO_RUNQ, NULL, 0); @@ -5354,6 +5555,16 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) schdlr_sspnd.curr_online = no_schedulers; schdlr_sspnd.msb.ongoing = 0; erts_smp_atomic32_init_nob(&schdlr_sspnd.active, no_schedulers); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_atomic32_init_nob(&schdlr_sspnd.dirty_cpu_changing, 0); + schdlr_sspnd.dirty_cpu_online = no_dirty_cpu_schedulers_online; + schdlr_sspnd.dirty_cpu_curr_online = no_dirty_cpu_schedulers; + erts_smp_atomic32_init_nob(&schdlr_sspnd.dirty_cpu_active, no_dirty_cpu_schedulers); + erts_smp_atomic32_init_nob(&schdlr_sspnd.dirty_io_changing, 0); + schdlr_sspnd.dirty_io_online = no_dirty_io_schedulers; + schdlr_sspnd.dirty_io_curr_online = no_dirty_io_schedulers; + erts_smp_atomic32_init_nob(&schdlr_sspnd.dirty_io_active, no_dirty_io_schedulers); +#endif schdlr_sspnd.msb.procs = NULL; init_no_runqs(no_schedulers_online, no_schedulers_online); balance_info.last_active_runqs = no_schedulers; @@ -5379,6 +5590,21 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) schdlr_sspnd.curr_online *= 2; /* Boot strapping... */ ERTS_SCHDLR_SSPND_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_ONLN | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); +#ifdef ERTS_DIRTY_SCHEDULERS + schdlr_sspnd.dirty_cpu_wait_curr_online = no_dirty_cpu_schedulers_online; + schdlr_sspnd.dirty_cpu_curr_online *= 2; + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_ONLN + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + for (ix = no_dirty_cpu_schedulers_online; ix < no_dirty_cpu_schedulers; ix++) { + ErtsSchedulerData* esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); + erts_smp_atomic32_read_bor_nob(&esdp->ssi->flags, ERTS_SSI_FLG_SUSPENDED); + } + + schdlr_sspnd.dirty_io_wait_curr_online = no_dirty_io_schedulers; + schdlr_sspnd.dirty_io_curr_online *= 2; + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_ONLN + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); +#endif erts_smp_atomic32_init_nob(&doing_sys_schedule, 0); @@ -5497,9 +5723,16 @@ free_proxy_proc(Process *proxy) erts_free(ERTS_ALC_T_PROC, proxy); } +#define ERTS_ENQUEUE_NOT 0 +#define ERTS_ENQUEUE_NORMAL_QUEUE 1 +#ifdef ERTS_DIRTY_SCHEDULERS +#define ERTS_ENQUEUE_DIRTY_CPU_QUEUE 2 +#define ERTS_ENQUEUE_DIRTY_IO_QUEUE 3 +#endif static ERTS_INLINE int -check_enqueue_in_prio_queue(erts_aint32_t *prq_prio_p, +check_enqueue_in_prio_queue(Process *c_p, + erts_aint32_t *prq_prio_p, erts_aint32_t *newp, erts_aint32_t actual) { @@ -5511,56 +5744,105 @@ check_enqueue_in_prio_queue(erts_aint32_t *prq_prio_p, *prq_prio_p = aprio; #ifdef ERTS_DIRTY_SCHEDULERS - if (!(actual & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC))) { + if (actual & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) { + /* + * If we have system tasks of a priority higher + * or equal to the user priority, we enqueue + * on ordinary run-queue and take care of + * those system tasks first. + */ + if (actual & ERTS_PSFLG_ACTIVE_SYS) { + erts_aint32_t uprio, stprio, qmask; + uprio = (actual >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK; + if (aprio < uprio) + goto enqueue_normal_runq; /* system tasks with higher prio */ + erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_STATUS); + qmask = c_p->sys_task_qs->qmask; + erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_STATUS); + switch (qmask & -qmask) { + case MAX_BIT: + stprio = PRIORITY_MAX; + break; + case HIGH_BIT: + stprio = PRIORITY_HIGH; + break; + case NORMAL_BIT: + stprio = PRIORITY_NORMAL; + break; + case LOW_BIT: + stprio = PRIORITY_LOW; + break; + default: + stprio = PRIORITY_LOW+1; + break; + } + if (stprio <= uprio) + goto enqueue_normal_runq; /* system tasks with higher prio */ + } + + /* Enqueue in dirty run queue if not already enqueued */ + if (actual & (ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)) + return ERTS_ENQUEUE_NOT; /* already in queue */ + if (actual & ERTS_PSFLG_DIRTY_CPU_PROC) { + *newp |= ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q; + if (actual & ERTS_PSFLG_IN_RUNQ) + return -ERTS_ENQUEUE_DIRTY_CPU_QUEUE; /* use proxy */ + *newp |= ERTS_PSFLG_IN_RUNQ; + return ERTS_ENQUEUE_DIRTY_CPU_QUEUE; + } + *newp |= ERTS_PSFLG_DIRTY_IO_PROC_IN_Q; + if (actual & ERTS_PSFLG_IN_RUNQ) + return -ERTS_ENQUEUE_DIRTY_IO_QUEUE; /* use proxy */ + *newp |= ERTS_PSFLG_IN_RUNQ; + return ERTS_ENQUEUE_DIRTY_IO_QUEUE; + } + + enqueue_normal_runq: #endif - max_qbit = (actual >> ERTS_PSFLGS_IN_PRQ_MASK_OFFSET) & ERTS_PSFLGS_QMASK; - max_qbit |= 1 << ERTS_PSFLGS_QMASK_BITS; - max_qbit &= -max_qbit; - /* - * max_qbit now either contain bit set for highest prio queue or a bit - * out of range (which will have a value larger than valid range). - */ + max_qbit = (actual >> ERTS_PSFLGS_IN_PRQ_MASK_OFFSET) & ERTS_PSFLGS_QMASK; + max_qbit |= 1 << ERTS_PSFLGS_QMASK_BITS; + max_qbit &= -max_qbit; + /* + * max_qbit now either contain bit set for highest prio queue or a bit + * out of range (which will have a value larger than valid range). + */ - if (qbit >= max_qbit) - return 0; /* Already queued in higher or equal prio */ + if (qbit >= max_qbit) + return ERTS_ENQUEUE_NOT; /* Already queued in higher or equal prio */ - /* Need to enqueue (if already enqueued, it is in lower prio) */ - *newp |= qbit << ERTS_PSFLGS_IN_PRQ_MASK_OFFSET; + /* Need to enqueue (if already enqueued, it is in lower prio) */ + *newp |= qbit << ERTS_PSFLGS_IN_PRQ_MASK_OFFSET; - if ((actual & (ERTS_PSFLG_IN_RUNQ|ERTS_PSFLGS_USR_PRIO_MASK)) - != (aprio << ERTS_PSFLGS_USR_PRIO_OFFSET)) { - /* - * Process struct already enqueued, or actual prio not - * equal to user prio, i.e., enqueue using proxy. - */ - return -1; - } -#ifdef ERTS_DIRTY_SCHEDULERS - } else { - if (actual & ERTS_PSFLG_DIRTY_CPU_PROC) - *newp |= ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q; - else - *newp |= ERTS_PSFLG_DIRTY_IO_PROC_IN_Q; + if ((actual & (ERTS_PSFLG_IN_RUNQ|ERTS_PSFLGS_USR_PRIO_MASK)) + != (aprio << ERTS_PSFLGS_USR_PRIO_OFFSET)) { + /* + * Process struct already enqueued, or actual prio not + * equal to user prio, i.e., enqueue using proxy. + */ + return -ERTS_ENQUEUE_NORMAL_QUEUE; } -#endif /* * Enqueue using process struct. */ *newp &= ~ERTS_PSFLGS_PRQ_PRIO_MASK; *newp |= ERTS_PSFLG_IN_RUNQ | (aprio << ERTS_PSFLGS_PRQ_PRIO_OFFSET); - return 1; + return ERTS_ENQUEUE_NORMAL_QUEUE; } /* - * scheduler_out_process() return with c_rq locked. + * schedule_out_process() return with c_rq locked. */ static ERTS_INLINE int schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Process *proxy) { erts_aint32_t a, e, n, enq_prio = -1; - int res = 0; int enqueue; /* < 0 -> use proxy */ + Process* sched_p; + ErtsRunQueue* runq; +#ifdef ERTS_SMP + int check_emigration_need; +#endif a = state; @@ -5569,20 +5851,20 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces ASSERT(a & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS)); - enqueue = 0; + enqueue = ERTS_ENQUEUE_NOT; n &= ~(ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS); if (a & ERTS_PSFLG_ACTIVE_SYS || (a & (ERTS_PSFLG_ACTIVE|ERTS_PSFLG_SUSPENDED)) == ERTS_PSFLG_ACTIVE) { - enqueue = check_enqueue_in_prio_queue(&enq_prio, &n, a); + enqueue = check_enqueue_in_prio_queue(p, &enq_prio, &n, a); } a = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e); if (a == e) break; } - if (!enqueue) { - + switch (enqueue) { + case ERTS_ENQUEUE_NOT: if (erts_system_profile_flags.runnable_procs) { if (!(a & ERTS_PSFLG_ACTIVE_SYS) @@ -5595,60 +5877,76 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces if (proxy) free_proxy_proc(proxy); - } - else { - Process *sched_p; - ErtsRunQueue *runq; - ASSERT(!(n & ERTS_PSFLG_SUSPENDED) || (n & ERTS_PSFLG_ACTIVE_SYS)); + erts_smp_runq_lock(c_rq); + return 0; #ifdef ERTS_DIRTY_SCHEDULERS #ifdef ERTS_SMP - if (ERTS_PSFLG_DIRTY_CPU_PROC & a) - runq = ERTS_DIRTY_CPU_RUNQ; - else if (ERTS_PSFLG_DIRTY_IO_PROC & a) - runq = ERTS_DIRTY_IO_RUNQ; - else + case ERTS_ENQUEUE_DIRTY_CPU_QUEUE: + case -ERTS_ENQUEUE_DIRTY_CPU_QUEUE: + runq = ERTS_DIRTY_CPU_RUNQ; + ASSERT(ERTS_SCHEDULER_IS_DIRTY_CPU(runq->scheduler)); +#ifdef ERTS_SMP + check_emigration_need = 0; +#endif + break; + + case ERTS_ENQUEUE_DIRTY_IO_QUEUE: + case -ERTS_ENQUEUE_DIRTY_IO_QUEUE: + runq = ERTS_DIRTY_IO_RUNQ; + ASSERT(ERTS_SCHEDULER_IS_DIRTY_IO(runq->scheduler)); +#ifdef ERTS_SMP + check_emigration_need = 0; +#endif + break; #endif #endif - runq = erts_get_runq_proc(p); - if (enqueue < 0) - sched_p = make_proxy_proc(proxy, p, enq_prio); - else { - sched_p = p; - if (proxy) - free_proxy_proc(proxy); - } + default: + ASSERT(enqueue == ERTS_ENQUEUE_NORMAL_QUEUE + || enqueue == -ERTS_ENQUEUE_NORMAL_QUEUE); + runq = erts_get_runq_proc(p); #ifdef ERTS_SMP - if (!(ERTS_PSFLG_BOUND & n) -#ifdef ERTS_DIRTY_SCHEDULERS - && !(n & (ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)) + check_emigration_need = !(ERTS_PSFLG_BOUND & n); #endif - ) { - ErtsRunQueue *new_runq = erts_check_emigration_need(runq, enq_prio); - if (new_runq) { - RUNQ_SET_RQ(&sched_p->run_queue, new_runq); - runq = new_runq; - } + break; + } + + ASSERT(!(n & ERTS_PSFLG_SUSPENDED) || (n & ERTS_PSFLG_ACTIVE_SYS)); + + if (enqueue < 0) + sched_p = make_proxy_proc(proxy, p, enq_prio); + else { + sched_p = p; + if (proxy) + free_proxy_proc(proxy); + } + +#ifdef ERTS_SMP + if (check_emigration_need) { + ErtsRunQueue *new_runq = erts_check_emigration_need(runq, enq_prio); + if (new_runq) { + RUNQ_SET_RQ(&sched_p->run_queue, new_runq); + runq = new_runq; } + } #endif - ASSERT(runq); - res = 1; - erts_smp_runq_lock(runq); + ASSERT(runq); + + erts_smp_runq_lock(runq); - /* Enqueue the process */ - enqueue_process(runq, (int) enq_prio, sched_p); + /* Enqueue the process */ + enqueue_process(runq, (int) enq_prio, sched_p); - if (runq == c_rq) - return res; - erts_smp_runq_unlock(runq); - smp_notify_inc_runq(runq); - } + if (runq == c_rq) + return 1; + erts_smp_runq_unlock(runq); + smp_notify_inc_runq(runq); erts_smp_runq_lock(c_rq); - return res; + return 1; } static ERTS_INLINE void @@ -5704,7 +6002,7 @@ change_proc_schedule_state(Process *p, erts_aint32_t e; n = e = a; - enqueue = 0; + enqueue = ERTS_ENQUEUE_NOT; if (a & ERTS_PSFLG_FREE) break; /* We don't want to schedule free processes... */ @@ -5725,13 +6023,13 @@ change_proc_schedule_state(Process *p, * process may be in a run queue via proxy, need * further inspection... */ - enqueue = check_enqueue_in_prio_queue(enq_prio_p, &n, a); + enqueue = check_enqueue_in_prio_queue(p, enq_prio_p, &n, a); } a = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e); if (a == e) break; - if (enqueue == 0 && n == a) + if (enqueue == ERTS_ENQUEUE_NOT && n == a) break; } @@ -5765,7 +6063,7 @@ schedule_process(Process *p, erts_aint32_t in_state) ERTS_PSFLG_ACTIVE, &state, &enq_prio); - if (enqueue) + if (enqueue != ERTS_ENQUEUE_NOT) add2runq(enqueue > 0 ? p : make_proxy_proc(NULL, p, enq_prio), state, enq_prio); @@ -5792,14 +6090,14 @@ schedule_process_sys_task(Process *p, erts_aint32_t state, Process *proxy) if (a & ERTS_PSFLG_FREE) return; /* We don't want to schedule free processes... */ - enqueue = 0; + enqueue = ERTS_ENQUEUE_NOT; n |= ERTS_PSFLG_ACTIVE_SYS; if (!(a & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))) - enqueue = check_enqueue_in_prio_queue(&enq_prio, &n, a); + enqueue = check_enqueue_in_prio_queue(p, &enq_prio, &n, a); a = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e); if (a == e) break; - if (a == n && !enqueue) + if (a == n && enqueue == ERTS_ENQUEUE_NOT) goto cleanup; } @@ -5815,7 +6113,7 @@ schedule_process_sys_task(Process *p, erts_aint32_t state, Process *proxy) } - if (enqueue) { + if (enqueue != ERTS_ENQUEUE_NOT) { Process *sched_p; if (enqueue > 0) sched_p = p; @@ -5938,6 +6236,12 @@ static void scheduler_ix_resume_wake(Uint ix) { ErtsSchedulerSleepInfo *ssi = ERTS_SCHED_SLEEP_INFO_IX(ix); + scheduler_ssi_resume_wake(ssi); +} + +static void +scheduler_ssi_resume_wake(ErtsSchedulerSleepInfo *ssi) +{ erts_aint32_t xflgs = (ERTS_SSI_FLG_SLEEPING | ERTS_SSI_FLG_TSE_SLEEPING | ERTS_SSI_FLG_WAITING @@ -6028,12 +6332,20 @@ sched_set_suspended_sleeptype(ErtsSchedulerSleepInfo *ssi) } } +#ifdef ERTS_DIRTY_SCHEDULERS + static void suspend_scheduler(ErtsSchedulerData *esdp) { erts_aint32_t flgs; erts_aint32_t changing; +#ifdef ERTS_DIRTY_SCHEDULERS + long no = (long) (ERTS_SCHEDULER_IS_DIRTY(esdp) + ? ERTS_DIRTY_SCHEDULER_NO(esdp) + : esdp->no); +#else long no = (long) esdp->no; +#endif ErtsSchedulerSleepInfo *ssi = esdp->ssi; long active_schedulers; int curr_online = 1; @@ -6041,21 +6353,305 @@ suspend_scheduler(ErtsSchedulerData *esdp) erts_aint32_t aux_work; int thr_prgr_active = 1; ErtsStuckBoundProcesses sbp = {NULL, NULL}; + int* ss_onlinep; + int* ss_curr_onlinep; + int* ss_wait_curr_onlinep; + long* ss_wait_activep; + long ss_wait_active_target; + erts_smp_atomic32_t* ss_changingp; + erts_smp_atomic32_t* ss_activep; /* * Schedulers may be suspended in two different ways: * - A scheduler may be suspended since it is not online. * All schedulers with scheduler ids greater than - * schdlr_sspnd.online are suspended. + * schdlr_sspnd.online are suspended; same for dirty + * schedulers and schdlr_sspnd.dirty_cpu_online and + * schdlr_sspnd.dirty_io_online. * - Multi scheduling is blocked. All schedulers except the - * scheduler with scheduler id 1 are suspended. + * scheduler with scheduler id 1 are suspended, and all + * dirty CPU and dirty I/O schedulers are suspended. * * Regardless of why a scheduler is suspended, it ends up here. */ + ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp) || no != 1); + #ifdef ERTS_DIRTY_SCHEDULERS - ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + if (erts_smp_mtx_trylock(&schdlr_sspnd.mtx) == EBUSY) { + erts_smp_runq_unlock(esdp->run_queue); + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + erts_smp_runq_lock(esdp->run_queue); + } + if (ongoing_multi_scheduling_block()) + evacuate_run_queue(esdp->run_queue, &sbp); + } else +#endif + evacuate_run_queue(esdp->run_queue, &sbp); + + erts_smp_runq_unlock(esdp->run_queue); + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) +#endif + { + erts_sched_check_cpu_bind_prep_suspend(esdp); + + if (erts_system_profile_flags.scheduler) + profile_scheduler(make_small(esdp->no), am_inactive); + + sched_wall_time_change(esdp, 0); + + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + } + + flgs = sched_prep_spin_suspended(ssi, ERTS_SSI_FLG_SUSPENDED); + if (flgs & ERTS_SSI_FLG_SUSPENDED) { + +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + if (ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(esdp->run_queue)) { + active_schedulers = erts_smp_atomic32_dec_read_nob(&schdlr_sspnd.dirty_cpu_active); + ASSERT(active_schedulers >= 0); + changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_changing); + ss_onlinep = &schdlr_sspnd.dirty_cpu_online; + ss_curr_onlinep = &schdlr_sspnd.dirty_cpu_curr_online; + ss_wait_curr_onlinep = &schdlr_sspnd.dirty_cpu_wait_curr_online; + ss_changingp = &schdlr_sspnd.dirty_cpu_changing; + ss_wait_activep = &schdlr_sspnd.msb.dirty_cpu_wait_active; + ss_activep = &schdlr_sspnd.dirty_cpu_active; + } else { + active_schedulers = erts_smp_atomic32_dec_read_nob(&schdlr_sspnd.dirty_io_active); + ASSERT(active_schedulers >= 0); + changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_changing); + ss_onlinep = &schdlr_sspnd.dirty_io_online; + ss_curr_onlinep = &schdlr_sspnd.dirty_io_curr_online; + ss_wait_curr_onlinep = &schdlr_sspnd.dirty_io_wait_curr_online; + ss_changingp = &schdlr_sspnd.dirty_io_changing; + ss_wait_activep = &schdlr_sspnd.msb.dirty_io_wait_active; + ss_activep = &schdlr_sspnd.dirty_io_active; + } + ss_wait_active_target = 0; + } + else +#endif + { + active_schedulers = erts_smp_atomic32_dec_read_nob(&schdlr_sspnd.active); + ASSERT(active_schedulers >= 1); + changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); + ss_onlinep = &schdlr_sspnd.online; + ss_curr_onlinep = &schdlr_sspnd.curr_online; + ss_wait_curr_onlinep = &schdlr_sspnd.wait_curr_online; + ss_changingp = &schdlr_sspnd.changing; + ss_wait_activep = &schdlr_sspnd.msb.wait_active; + ss_activep = &schdlr_sspnd.active; + ss_wait_active_target = 1; + } + if (changing & ERTS_SCHDLR_SSPND_CHNG_MSB) { + if (active_schedulers == *ss_wait_activep) + wake = 1; + if (active_schedulers == ss_wait_active_target) { + changing = erts_smp_atomic32_read_band_nob(ss_changingp, + ~ERTS_SCHDLR_SSPND_CHNG_MSB); + changing &= ~ERTS_SCHDLR_SSPND_CHNG_MSB; + } + } + + while (1) { + if (changing & ERTS_SCHDLR_SSPND_CHNG_ONLN) { + int changed = 0; + if (no > *ss_onlinep && curr_online) { + (*ss_curr_onlinep)--; + curr_online = 0; + changed = 1; + } + else if (no <= *ss_onlinep && !curr_online) { + (*ss_curr_onlinep)++; + curr_online = 1; + changed = 1; + } + if (changed + && *ss_curr_onlinep == *ss_wait_curr_onlinep) + wake = 1; + if (*ss_onlinep == *ss_curr_onlinep) { + changing = erts_smp_atomic32_read_band_nob(ss_changingp, + ~ERTS_SCHDLR_SSPND_CHNG_ONLN); + changing &= ~ERTS_SCHDLR_SSPND_CHNG_ONLN; + } + } + + if (wake) { + erts_smp_cnd_signal(&schdlr_sspnd.cnd); + wake = 0; + } + + if (curr_online && !ongoing_multi_scheduling_block()) { + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); + if (!(flgs & ERTS_SSI_FLG_SUSPENDED)) + break; + } + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + + while (1) { + erts_aint32_t qmask; + erts_aint32_t flgs; + + qmask = (ERTS_RUNQ_FLGS_GET(esdp->run_queue) + & ERTS_RUNQ_FLGS_QMASK); + aux_work = erts_atomic32_read_acqb(&ssi->aux_work); + if (aux_work|qmask) { + if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && !thr_prgr_active) { + erts_thr_progress_active(esdp, thr_prgr_active = 1); + sched_wall_time_change(esdp, 1); + } + if (aux_work) + aux_work = handle_aux_work(&esdp->aux_work_data, + aux_work, + 1); + + if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && + (aux_work && erts_thr_progress_update(esdp))) + erts_thr_progress_leader_update(esdp); + if (qmask) { +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + erts_smp_runq_lock(esdp->run_queue); + if (ongoing_multi_scheduling_block()) + evacuate_run_queue(esdp->run_queue, &sbp); + erts_smp_runq_unlock(esdp->run_queue); + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + } else +#endif + { + erts_smp_runq_lock(esdp->run_queue); + evacuate_run_queue(esdp->run_queue, &sbp); + erts_smp_runq_unlock(esdp->run_queue); + } + } + } + + if (!aux_work) { +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) #endif + { + if (thr_prgr_active) { + erts_thr_progress_active(esdp, thr_prgr_active = 0); + sched_wall_time_change(esdp, 0); + } + erts_thr_progress_prepare_wait(esdp); + } + flgs = sched_spin_suspended(ssi, + ERTS_SCHED_SUSPEND_SLEEP_SPINCOUNT); + if (flgs == (ERTS_SSI_FLG_SLEEPING + | ERTS_SSI_FLG_WAITING + | ERTS_SSI_FLG_SUSPENDED)) { + flgs = sched_set_suspended_sleeptype(ssi); + if (flgs == (ERTS_SSI_FLG_SLEEPING + | ERTS_SSI_FLG_TSE_SLEEPING + | ERTS_SSI_FLG_WAITING + | ERTS_SSI_FLG_SUSPENDED)) { + int res; + + do { + res = erts_tse_wait(ssi->event); + } while (res == EINTR); + } + } +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) +#endif + erts_thr_progress_finalize_wait(esdp); + } + + flgs = sched_prep_spin_suspended(ssi, (ERTS_SSI_FLG_WAITING + | ERTS_SSI_FLG_SUSPENDED)); + if (!(flgs & ERTS_SSI_FLG_SUSPENDED)) + break; + changing = erts_smp_atomic32_read_nob(ss_changingp); + if (changing & ~ERTS_SCHDLR_SSPND_CHNG_WAITER) + break; + } + + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + changing = erts_smp_atomic32_read_nob(ss_changingp); + } + + active_schedulers = erts_smp_atomic32_inc_read_nob(ss_activep); + changing = erts_smp_atomic32_read_nob(ss_changingp); + if ((changing & ERTS_SCHDLR_SSPND_CHNG_MSB) + && *ss_onlinep == active_schedulers) { + erts_smp_atomic32_read_band_nob(ss_changingp, + ~ERTS_SCHDLR_SSPND_CHNG_MSB); + } + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) +#endif + ASSERT(no <= *ss_onlinep); + ASSERT(!ongoing_multi_scheduling_block()); + + } + + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + + ASSERT(curr_online); + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) +#endif + { + if (erts_system_profile_flags.scheduler) + profile_scheduler(make_small(esdp->no), am_active); + + if (!thr_prgr_active) { + erts_thr_progress_active(esdp, thr_prgr_active = 1); + sched_wall_time_change(esdp, 1); + } + } + + erts_smp_runq_lock(esdp->run_queue); + non_empty_runq(esdp->run_queue); + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) +#endif + { + schedule_bound_processes(esdp->run_queue, &sbp); + + erts_sched_check_cpu_bind_post_suspend(esdp); + } +} + +#else /* !ERTS_DIRTY_SCHEDULERS */ + +static void +suspend_scheduler(ErtsSchedulerData *esdp) +{ + erts_aint32_t flgs; + erts_aint32_t changing; + long no = (long) esdp->no; + ErtsSchedulerSleepInfo *ssi = esdp->ssi; + long active_schedulers; + int curr_online = 1; + int wake = 0; + erts_aint32_t aux_work; + int thr_prgr_active = 1; + ErtsStuckBoundProcesses sbp = {NULL, NULL}; + + /* + * Schedulers may be suspended in two different ways: + * - A scheduler may be suspended since it is not online. + * All schedulers with scheduler ids greater than + * schdlr_sspnd.online are suspended. + * - Multi scheduling is blocked. All schedulers except the + * scheduler with scheduler id 1 are suspended. + * + * Regardless of why a scheduler is suspended, it ends up here. + */ + ASSERT(no != 1); evacuate_run_queue(esdp->run_queue, &sbp); @@ -6219,6 +6815,8 @@ suspend_scheduler(ErtsSchedulerData *esdp) erts_sched_check_cpu_bind_post_suspend(esdp); } +#endif + ErtsSchedSuspendResult erts_schedulers_state(Uint *total, Uint *online, @@ -6230,40 +6828,315 @@ erts_schedulers_state(Uint *total, { int res = ERTS_SCHDLR_SSPND_EINVAL; erts_aint32_t changing; - if (total) { - ASSERT(online); - ASSERT(active); - erts_smp_mtx_lock(&schdlr_sspnd.mtx); - changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); - if (yield_allowed && (changing & ~ERTS_SCHDLR_SSPND_CHNG_WAITER)) - res = ERTS_SCHDLR_SSPND_YIELD_RESTART; - else { - *active = *online = schdlr_sspnd.online; - if (ongoing_multi_scheduling_block()) - *active = 1; - res = ERTS_SCHDLR_SSPND_DONE; - } - erts_smp_mtx_unlock(&schdlr_sspnd.mtx); - *total = erts_no_schedulers; + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); +#ifdef ERTS_DIRTY_SCHEDULERS + changing |= (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_changing) + | erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_changing)); +#endif + if (yield_allowed && (changing & ~ERTS_SCHDLR_SSPND_CHNG_WAITER)) + res = ERTS_SCHDLR_SSPND_YIELD_RESTART; + else { + if (active) + *active = schdlr_sspnd.online; + if (online) + *online = schdlr_sspnd.online; + if (ongoing_multi_scheduling_block() && active) + *active = 1; +#ifdef ERTS_DIRTY_SCHEDULERS + if (dirty_cpu_online) + *dirty_cpu_online = schdlr_sspnd.dirty_cpu_online; +#endif + res = ERTS_SCHDLR_SSPND_DONE; } + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + if (total) + *total = erts_no_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS if (dirty_cpu) *dirty_cpu = erts_no_dirty_cpu_schedulers; - if (dirty_cpu_online) - *dirty_cpu_online = erts_no_dirty_cpu_schedulers_online; if (dirty_io) *dirty_io = erts_no_dirty_io_schedulers; -#else - if (dirty_cpu) - *dirty_cpu = 0; - if (dirty_cpu_online) - *dirty_cpu_online = 0; - if (dirty_io) - *dirty_io = 0; #endif return res; } +#ifdef ERTS_DIRTY_SCHEDULERS + +ErtsSchedSuspendResult +erts_set_schedulers_online(Process *p, + ErtsProcLocks plocks, + Sint new_no, + Sint *old_no +#ifdef ERTS_DIRTY_SCHEDULERS + , int dirty_only +#endif + ) +{ + ErtsSchedulerData *esdp; + int ix, res = -1, no, have_unlocked_plocks, end_wait; + erts_aint32_t changing = 0; +#ifdef ERTS_DIRTY_SCHEDULERS + ErtsSchedulerSleepInfo* ssi; + int dirty_no, change_dirty; +#endif + + if (new_no < 1) + return ERTS_SCHDLR_SSPND_EINVAL; +#ifdef ERTS_DIRTY_SCHEDULERS + else if (dirty_only && erts_no_dirty_cpu_schedulers < new_no) + return ERTS_SCHDLR_SSPND_EINVAL; +#endif + else if (erts_no_schedulers < new_no) + return ERTS_SCHDLR_SSPND_EINVAL; + + esdp = ERTS_PROC_GET_SCHDATA(p); + end_wait = 0; + + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + + have_unlocked_plocks = 0; + no = (int) new_no; + +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(schdlr_sspnd.dirty_cpu_online <= erts_no_dirty_cpu_schedulers); + if (dirty_only) { + if (no > schdlr_sspnd.online) { + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + return ERTS_SCHDLR_SSPND_EINVAL; + } + dirty_no = no; + } else { + /* + * Adjust the number of dirty CPU schedulers online relative to the + * adjustment made to the number of normal schedulers online. + */ + int total_pct = erts_no_dirty_cpu_schedulers*100/erts_no_schedulers; + int onln_pct = no*total_pct/schdlr_sspnd.online; + dirty_no = schdlr_sspnd.dirty_cpu_online*onln_pct/100; + if (dirty_no == 0) + dirty_no = 1; + ASSERT(dirty_no <= erts_no_dirty_cpu_schedulers); + } +#endif + changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); +#ifdef ERTS_DIRTY_SCHEDULERS + changing |= erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_changing); +#endif + if (changing) { + res = ERTS_SCHDLR_SSPND_YIELD_RESTART; + } + else { + int online = *old_no = schdlr_sspnd.online; +#ifdef ERTS_DIRTY_SCHEDULERS + int dirty_online = schdlr_sspnd.dirty_cpu_online; + + if (dirty_only) { + *old_no = schdlr_sspnd.dirty_cpu_online; + if (dirty_no == schdlr_sspnd.dirty_cpu_online) { + res = ERTS_SCHDLR_SSPND_DONE; + } + change_dirty = 1; + } else { +#endif + if (no == schdlr_sspnd.online) { +#ifdef ERTS_DIRTY_SCHEDULERS + dirty_only = 1; + if (dirty_no == schdlr_sspnd.dirty_cpu_online) +#endif + res = ERTS_SCHDLR_SSPND_DONE; +#ifdef ERTS_DIRTY_SCHEDULERS + else + change_dirty = 1; +#endif + } +#ifdef ERTS_DIRTY_SCHEDULERS + else + change_dirty = (dirty_no != schdlr_sspnd.dirty_cpu_online); + } +#endif + if (res == -1) + { + int increase = (no > online); +#ifdef ERTS_DIRTY_SCHEDULERS + if (!dirty_only) { +#endif + ERTS_SCHDLR_SSPND_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_ONLN + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + schdlr_sspnd.online = no; +#ifdef ERTS_DIRTY_SCHEDULERS + } else + increase = (dirty_no > dirty_online); + if (change_dirty) { + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_ONLN + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + schdlr_sspnd.dirty_cpu_online = dirty_no; + } +#endif + if (increase) { + int ix; +#ifdef ERTS_DIRTY_SCHEDULERS + if (!dirty_only) { +#endif + schdlr_sspnd.wait_curr_online = no; + if (ongoing_multi_scheduling_block()) { + for (ix = online; ix < no; ix++) + erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix)); + } + else { + if (plocks) { + have_unlocked_plocks = 1; + erts_smp_proc_unlock(p, plocks); + } + change_no_used_runqs(no); + + for (ix = online; ix < no; ix++) + resume_run_queue(ERTS_RUNQ_IX(ix)); + + for (ix = no; ix < erts_no_run_queues; ix++) + suspend_run_queue(ERTS_RUNQ_IX(ix)); + } +#ifdef ERTS_DIRTY_SCHEDULERS + } + if (change_dirty) { + schdlr_sspnd.dirty_cpu_wait_curr_online = dirty_no; + ASSERT(schdlr_sspnd.dirty_cpu_curr_online != + schdlr_sspnd.dirty_cpu_wait_curr_online); + if (ongoing_multi_scheduling_block()) { + for (ix = dirty_online; ix < dirty_no; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + erts_sched_poke(ssi); + } + } else { + for (ix = dirty_online; ix < dirty_no; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + scheduler_ssi_resume_wake(ssi); + erts_smp_atomic32_read_band_nob(&ssi->flags, + ~ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_CPU_RUNQ, 0); + } + } +#endif + res = ERTS_SCHDLR_SSPND_DONE; + } + else /* if (no < online) */ { +#ifdef ERTS_DIRTY_SCHEDULERS + if (change_dirty) { + schdlr_sspnd.dirty_cpu_wait_curr_online = dirty_no; + ASSERT(schdlr_sspnd.dirty_cpu_curr_online != + schdlr_sspnd.dirty_cpu_wait_curr_online); + if (ongoing_multi_scheduling_block()) { + for (ix = dirty_no; ix < dirty_online; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + erts_sched_poke(ssi); + } + } else { + for (ix = dirty_no; ix < dirty_online; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + erts_smp_atomic32_read_bor_nob(&ssi->flags, + ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_CPU_RUNQ, 0); + } + } + if (dirty_only) { + res = ERTS_SCHDLR_SSPND_DONE; + } + else +#endif + { + if (p->scheduler_data->no <= no) { + res = ERTS_SCHDLR_SSPND_DONE; + schdlr_sspnd.wait_curr_online = no; + } + else { + /* + * Yield! Current process needs to migrate + * before bif returns. + */ + res = ERTS_SCHDLR_SSPND_YIELD_DONE; + schdlr_sspnd.wait_curr_online = no+1; + } + + if (ongoing_multi_scheduling_block()) { + for (ix = no; ix < online; ix++) + erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix)); + } + else { + if (plocks) { + have_unlocked_plocks = 1; + erts_smp_proc_unlock(p, plocks); + } + + change_no_used_runqs(no); + for (ix = no; ix < erts_no_run_queues; ix++) + suspend_run_queue(ERTS_RUNQ_IX(ix)); + + for (ix = no; ix < online; ix++) { + ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); + wake_scheduler(rq); + } + } + } + } + +#ifdef ERTS_DIRTY_SCHEDULERS + if (change_dirty) { + while (schdlr_sspnd.dirty_cpu_curr_online != schdlr_sspnd.dirty_cpu_wait_curr_online) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.dirty_cpu_changing, + ~ERTS_SCHDLR_SSPND_CHNG_WAITER); + } + if (!dirty_only) +#endif + { + if (schdlr_sspnd.curr_online != schdlr_sspnd.wait_curr_online) { + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + if (plocks && !have_unlocked_plocks) { + have_unlocked_plocks = 1; + erts_smp_proc_unlock(p, plocks); + } + erts_thr_progress_active(esdp, 0); + erts_thr_progress_prepare_wait(esdp); + end_wait = 1; + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + } + + while (schdlr_sspnd.curr_online != schdlr_sspnd.wait_curr_online) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + + ASSERT(res != ERTS_SCHDLR_SSPND_DONE + ? (ERTS_SCHDLR_SSPND_CHNG_WAITER + & erts_smp_atomic32_read_nob(&schdlr_sspnd.changing)) + : (ERTS_SCHDLR_SSPND_CHNG_WAITER + == erts_smp_atomic32_read_nob(&schdlr_sspnd.changing))); + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.changing, + ~ERTS_SCHDLR_SSPND_CHNG_WAITER); + } + } + } + + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(schdlr_sspnd.dirty_cpu_online <= schdlr_sspnd.online); + if (!dirty_only) +#endif + { + if (end_wait) { + erts_thr_progress_finalize_wait(esdp); + erts_thr_progress_active(esdp, 1); + } + if (have_unlocked_plocks) + erts_smp_proc_lock(p, plocks); + } + + return res; +} + +#else /* !ERTS_DIRTY_SCHEDULERS */ + ErtsSchedSuspendResult erts_set_schedulers_online(Process *p, ErtsProcLocks plocks, @@ -6352,10 +7225,6 @@ erts_set_schedulers_online(Process *p, ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); wake_scheduler(rq); } -#ifdef ERTS_DIRTY_SCHEDULERS - wake_dirty_scheduler(ERTS_DIRTY_CPU_RUNQ); - wake_dirty_scheduler(ERTS_DIRTY_IO_RUNQ); -#endif } } @@ -6396,15 +7265,24 @@ erts_set_schedulers_online(Process *p, return res; } +#endif + ErtsSchedSuspendResult erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) { - int ix, res, have_unlocked_plocks = 0; + int ix, res, have_unlocked_plocks = 0, online; erts_aint32_t changing; ErtsProcList *plp; +#ifdef ERTS_DIRTY_SCHEDULERS + ErtsSchedulerSleepInfo* ssi; +#endif erts_smp_mtx_lock(&schdlr_sspnd.mtx); changing = erts_smp_atomic32_read_nob(&schdlr_sspnd.changing); +#ifdef ERTS_DIRTY_SCHEDULERS + changing |= (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_changing) + | erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_changing)); +#endif if (changing) { res = ERTS_SCHDLR_SSPND_YIELD_RESTART; /* Yield */ } @@ -6414,10 +7292,13 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) erts_proclist_store_last(&schdlr_sspnd.msb.procs, plp); p->flags |= F_HAVE_BLCKD_MSCHED; ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.active) == 1); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_active) == 0); + ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_active) == 0); +#endif ASSERT(p->scheduler_data->no == 1); res = ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED; - } - else { + } else { int online = schdlr_sspnd.online; p->flags |= F_HAVE_BLCKD_MSCHED; if (plocks) { @@ -6429,6 +7310,35 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) if (online == 1) { res = ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED; ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.active) == 1); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_active) == 1); + ASSERT(!(erts_smp_atomic32_read_nob(&ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(0)->flags) + & ERTS_SSI_FLG_SUSPENDED)); + schdlr_sspnd.msb.dirty_cpu_wait_active = 0; + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_MSB + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(0); + erts_smp_atomic32_read_bor_nob(&ssi->flags, ERTS_SSI_FLG_SUSPENDED); + wake_dirty_schedulers(ERTS_DIRTY_CPU_RUNQ, 0); + while (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_active) + != schdlr_sspnd.msb.dirty_cpu_wait_active) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + + schdlr_sspnd.msb.dirty_io_wait_active = 0; + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_MSB + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { + ssi = ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix); + erts_smp_atomic32_read_bor_nob(&ssi->flags, + ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_IO_RUNQ, 0); + while (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_active) + != schdlr_sspnd.msb.dirty_io_wait_active) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); +#endif ASSERT(p->scheduler_data->no == 1); } else { @@ -6447,6 +7357,37 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) schdlr_sspnd.msb.wait_active = 2; } +#ifdef ERTS_DIRTY_SCHEDULERS + schdlr_sspnd.msb.dirty_cpu_wait_active = 0; + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_MSB + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + erts_smp_atomic32_read_bor_nob(&ssi->flags, + ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_CPU_RUNQ, 0); + while (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_active) + != schdlr_sspnd.msb.dirty_cpu_wait_active) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + ASSERT(schdlr_sspnd.dirty_cpu_curr_online == schdlr_sspnd.dirty_cpu_online); + + schdlr_sspnd.msb.dirty_io_wait_active = 0; + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET((ERTS_SCHDLR_SSPND_CHNG_MSB + | ERTS_SCHDLR_SSPND_CHNG_WAITER), 0); + for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { + ssi = ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix); + erts_smp_atomic32_read_bor_nob(&ssi->flags, + ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_IO_RUNQ, 0); + while (erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_active) + != schdlr_sspnd.msb.dirty_io_wait_active) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + ASSERT(schdlr_sspnd.dirty_io_curr_online == schdlr_sspnd.dirty_io_online); +#endif change_no_used_runqs(1); for (ix = 1; ix < erts_no_run_queues; ix++) suspend_run_queue(ERTS_RUNQ_IX(ix)); @@ -6487,6 +7428,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) erts_smp_mtx_lock(&schdlr_sspnd.mtx); } + ASSERT(res != ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED ? (ERTS_SCHDLR_SSPND_CHNG_WAITER & erts_smp_atomic32_read_nob(&schdlr_sspnd.changing)) @@ -6527,12 +7469,12 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) p->flags &= ~F_HAVE_BLCKD_MSCHED; schdlr_sspnd.msb.ongoing = 0; if (schdlr_sspnd.online == 1) { - /* No schedulers to resume */ + /* No normal schedulers to resume */ ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.active) == 1); ERTS_SCHDLR_SSPND_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_MSB); } else { - int online = schdlr_sspnd.online; + online = schdlr_sspnd.online; if (plocks) { have_unlocked_plocks = 1; erts_smp_proc_unlock(p, plocks); @@ -6547,6 +7489,27 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) for (ix = online; ix < erts_no_run_queues; ix++) suspend_run_queue(ERTS_RUNQ_IX(ix)); } +#ifdef ERTS_DIRTY_SCHEDULERS + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(ERTS_SCHDLR_SSPND_CHNG_MSB, 0); + schdlr_sspnd.msb.dirty_cpu_wait_active = schdlr_sspnd.dirty_cpu_online; + for (ix = 0; ix < schdlr_sspnd.dirty_cpu_online; ix++) { + ssi = ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix); + scheduler_ssi_resume_wake(ssi); + erts_smp_atomic32_read_band_nob(&ssi->flags, + ~ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_CPU_RUNQ, 0); + + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(ERTS_SCHDLR_SSPND_CHNG_MSB, 0); + schdlr_sspnd.msb.dirty_io_wait_active = erts_no_dirty_io_schedulers; + for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { + ssi = ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix); + scheduler_ssi_resume_wake(ssi); + erts_smp_atomic32_read_band_nob(&ssi->flags, + ~ERTS_SSI_FLG_SUSPENDED); + } + wake_dirty_schedulers(ERTS_DIRTY_IO_RUNQ, 0); +#endif res = ERTS_SCHDLR_SSPND_DONE; } } @@ -6673,7 +7636,11 @@ sched_thread_func(void *vesdp) erts_smp_atomic32_read_band_nob(&schdlr_sspnd.changing, ~ERTS_SCHDLR_SSPND_CHNG_ONLN); if (no != 1) +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_cnd_broadcast(&schdlr_sspnd.cnd); +#else erts_smp_cnd_signal(&schdlr_sspnd.cnd); +#endif } if (no == 1) { @@ -6710,7 +7677,9 @@ sched_dirty_cpu_thread_func(void *vesdp) { ErtsThrPrgrCallbacks callbacks; ErtsSchedulerData *esdp = vesdp; - Uint no = esdp->dirty_no; + Uint no = ERTS_DIRTY_SCHEDULER_NO(esdp); + ERTS_DIRTY_SCHEDULER_TYPE(esdp) = ERTS_DIRTY_CPU_SCHEDULER; + ASSERT(no != 0); ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(no-1)->event = erts_tse_fetch(); callbacks.arg = (void *) esdp->ssi; callbacks.wakeup = thr_prgr_wakeup; @@ -6738,6 +7707,24 @@ sched_dirty_cpu_thread_func(void *vesdp) #endif erts_thread_init_float(); + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_cpu_changing) + & ERTS_SCHDLR_SSPND_CHNG_ONLN); + + if (--schdlr_sspnd.dirty_cpu_curr_online == schdlr_sspnd.dirty_cpu_wait_curr_online) { + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.dirty_cpu_changing, + ~ERTS_SCHDLR_SSPND_CHNG_ONLN); + if (no != 1) + erts_smp_cnd_broadcast(&schdlr_sspnd.cnd); + } + + if (no == 1) { + while (schdlr_sspnd.dirty_cpu_curr_online != schdlr_sspnd.dirty_cpu_wait_curr_online) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_CPU_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + } + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + process_main(); /* No schedulers should *ever* terminate */ erl_exit(ERTS_ABORT_EXIT, @@ -6751,7 +7738,9 @@ sched_dirty_io_thread_func(void *vesdp) { ErtsThrPrgrCallbacks callbacks; ErtsSchedulerData *esdp = vesdp; - Uint no = esdp->dirty_no; + Uint no = ERTS_DIRTY_SCHEDULER_NO(esdp); + ERTS_DIRTY_SCHEDULER_TYPE(esdp) = ERTS_DIRTY_IO_SCHEDULER; + ASSERT(no != 0); ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(no-1)->event = erts_tse_fetch(); callbacks.arg = (void *) esdp->ssi; callbacks.wakeup = thr_prgr_wakeup; @@ -6779,6 +7768,24 @@ sched_dirty_io_thread_func(void *vesdp) #endif erts_thread_init_float(); + erts_smp_mtx_lock(&schdlr_sspnd.mtx); + ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.dirty_io_changing) + & ERTS_SCHDLR_SSPND_CHNG_ONLN); + + if (--schdlr_sspnd.dirty_io_curr_online == schdlr_sspnd.dirty_io_wait_curr_online) { + erts_smp_atomic32_read_band_nob(&schdlr_sspnd.dirty_io_changing, + ~ERTS_SCHDLR_SSPND_CHNG_ONLN); + if (no != 1) + erts_smp_cnd_broadcast(&schdlr_sspnd.cnd); + } + + if (no == 1) { + while (schdlr_sspnd.dirty_io_curr_online != schdlr_sspnd.dirty_io_wait_curr_online) + erts_smp_cnd_wait(&schdlr_sspnd.cnd, &schdlr_sspnd.mtx); + ERTS_SCHDLR_SSPND_DIRTY_IO_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_WAITER); + } + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + process_main(); /* No schedulers should *ever* terminate */ erl_exit(ERTS_ABORT_EXIT, @@ -6795,16 +7802,23 @@ void erts_start_schedulers(void) { int res = 0; - Uint actual = 0; + Uint actual; Uint wanted = erts_no_schedulers; Uint wanted_no_schedulers = erts_no_schedulers; ethr_thr_opts opts = ETHR_THR_OPTS_DEFAULT_INITER; opts.detached = 1; +#ifdef ETHR_HAVE_THREAD_NAMES + opts.name = malloc(80); +#endif + #ifdef ERTS_SMP if (erts_runq_supervision_interval) { opts.suggested_stack_size = 16; +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(opts.name, "runq_supervisor"); +#endif erts_atomic_init_nob(&runq_supervisor_sleeping, 0); if (0 != ethr_event_init(&runq_supervision_event)) erl_exit(1, "Failed to create run-queue supervision event\n"); @@ -6826,17 +7840,27 @@ erts_start_schedulers(void) res = ENOTSUP; } - while (actual < wanted) { + for (actual = 0; actual < wanted; actual++) { ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(actual); - actual++; - ASSERT(actual == esdp->no); - res = ethr_thr_create(&esdp->tid,sched_thread_func,(void*)esdp,&opts); + + ASSERT(actual == esdp->no - 1); + +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(opts.name, "scheduler_%d", actual + 1); +#endif + +#ifdef __OSE__ + /* This should be done in the bind strategy */ + opts.coreNo = (actual+1) % ose_num_cpus(); +#endif + + res = ethr_thr_create(&esdp->tid, sched_thread_func, (void*)esdp, &opts); + if (res != 0) { - actual--; - break; + break; } } - + erts_no_schedulers = actual; #ifdef ERTS_DIRTY_SCHEDULERS @@ -6845,12 +7869,18 @@ erts_start_schedulers(void) int ix; for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(opts.name,"dirty_cpu_scheduler_%d", ix + 1); +#endif res = ethr_thr_create(&esdp->tid,sched_dirty_cpu_thread_func,(void*)esdp,&opts); if (res != 0) erl_exit(1, "Failed to create dirty cpu scheduler thread %d\n", ix); } for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix); +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(opts.name,"dirty_io_scheduler_%d", ix + 1); +#endif res = ethr_thr_create(&esdp->tid,sched_dirty_io_thread_func,(void*)esdp,&opts); if (res != 0) erl_exit(1, "Failed to create dirty io scheduler thread %d\n", ix); @@ -6861,6 +7891,14 @@ erts_start_schedulers(void) ERTS_THR_MEMORY_BARRIER; +#ifdef ETHR_HAVE_THREAD_NAMES + sprintf(opts.name, "aux"); +#endif + +#ifdef __OSE__ + opts.coreNo = 0; +#endif /* __OSE__ */ + res = ethr_thr_create(&aux_tid, aux_thread, NULL, &opts); if (res != 0) erl_exit(1, "Failed to create aux thread\n"); @@ -6880,6 +7918,10 @@ erts_start_schedulers(void) actual, actual == 1 ? " was" : "s were"); erts_send_error_to_logger_nogl(dsbufp); } + +#ifdef ETHR_HAVE_THREAD_NAMES + free(opts.name); +#endif } #endif /* ERTS_SMP */ @@ -7995,7 +9037,6 @@ Process *schedule(Process *p, int calls) || flags & ERTS_RUNQ_FLG_NONEMPTY); if (flags & (ERTS_RUNQ_FLG_CHK_CPU_BIND|ERTS_RUNQ_FLG_SUSPENDED)) { - if (flags & ERTS_RUNQ_FLG_SUSPENDED) { suspend_scheduler(esdp); flags = ERTS_RUNQ_FLGS_GET_NOB(rq); @@ -8006,21 +9047,31 @@ Process *schedule(Process *p, int calls) erts_sched_check_cpu_bind(esdp); } } +#ifdef ERTS_DIRTY_SCHEDULERS + else if (ERTS_SCHEDULER_IS_DIRTY(esdp) + && (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) + & ERTS_SSI_FLG_SUSPENDED)) + suspend_scheduler(esdp); +#endif - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { + { erts_aint32_t aux_work; - int leader_update = erts_thr_progress_update(esdp); + int leader_update = ERTS_SCHEDULER_IS_DIRTY(esdp) ? 0 + : erts_thr_progress_update(esdp); aux_work = erts_atomic32_read_acqb(&esdp->ssi->aux_work); - if (aux_work | leader_update) { + if (aux_work | leader_update | ERTS_SCHED_FAIR) { erts_smp_runq_unlock(rq); if (leader_update) erts_thr_progress_leader_update(esdp); + else if (ERTS_SCHED_FAIR) + ERTS_SCHED_FAIR_YIELD(); if (aux_work) handle_aux_work(&esdp->aux_work_data, aux_work, 0); erts_smp_runq_lock(rq); } - ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); + ERTS_SMP_LC_ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp) + || !erts_thr_progress_is_blocking()); } ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); @@ -8035,6 +9086,17 @@ Process *schedule(Process *p, int calls) flags = ERTS_RUNQ_FLGS_GET_NOB(rq); +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix) && rq->halt_in_progress) { + /* + * TODO: if halt in progress, need to put the dirty scheduler + * to sleep somewhere around here to prevent it from picking up + * new work + */ + } + else +#endif + if ((!(flags & ERTS_RUNQ_FLGS_QMASK) && !rq->misc.start) || (rq->halt_in_progress && ERTS_EMPTY_RUNQ_PORTS(rq))) { /* Prepare for scheduler wait */ @@ -8077,7 +9139,8 @@ Process *schedule(Process *p, int calls) goto check_activities_to_run; } else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && - (fcalls > input_reductions && prepare_for_sys_schedule())) { + (fcalls > input_reductions && + prepare_for_sys_schedule(esdp))) { /* * Schedule system-level activities. */ @@ -8182,11 +9245,15 @@ Process *schedule(Process *p, int calls) + ERTS_PSFLGS_IN_PRQ_MASK_OFFSET)); #ifdef ERTS_DIRTY_SCHEDULERS - /* if a non-dirty scheduler picks up a process marked as already being - in a dirty run queue, just drop it and go get another process */ - if (state & (ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q) && - !ERTS_SCHEDULER_IS_DIRTY(esdp)) - goto pick_next_process; + ASSERT((state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) != + (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)); + if (state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) { + ASSERT((ERTS_SCHEDULER_IS_DIRTY_CPU(esdp) && (state & ERTS_PSFLG_DIRTY_CPU_PROC)) || + (ERTS_SCHEDULER_IS_DIRTY_IO(esdp) && (state & ERTS_PSFLG_DIRTY_IO_PROC))); + if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && !(state & ERTS_PSFLG_ACTIVE_SYS)) + goto pick_next_process; + state &= ~(ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q); + } #endif if (!(state & ERTS_PSFLG_PROXY)) @@ -8322,7 +9389,11 @@ Process *schedule(Process *p, int calls) if (state & ERTS_PSFLG_RUNNING_SYS) { reds -= execute_sys_tasks(p, &state, reds); - if (reds <= 0) { + if (reds <= 0 +#ifdef ERTS_DIRTY_SCHEDULERS + || (state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) +#endif + ) { p->fcalls = reds; goto sched_out_proc; } @@ -9379,7 +10450,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). * Check for errors. */ - if (is_not_atom(mod) || is_not_atom(func) || ((arity = list_length(args)) < 0)) { + if (is_not_atom(mod) || is_not_atom(func) || ((arity = erts_list_length(args)) < 0)) { so->error_code = BADARG; goto error; } @@ -10087,7 +11158,7 @@ save_pending_exiter(Process *p) erts_smp_runq_unlock(rq); #ifdef ERTS_DIRTY_SCHEDULERS if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) - wake_dirty_scheduler(rq); + wake_dirty_schedulers(rq, 0); else #endif wake_scheduler(rq); @@ -11148,6 +12219,10 @@ void erl_halt(int code) if (-1 == erts_smp_atomic32_cmpxchg_acqb(&erts_halt_progress, erts_no_schedulers, -1)) { +#ifdef ERTS_DIRTY_SCHEDULERS + ERTS_DIRTY_CPU_RUNQ->halt_in_progress = 1; + ERTS_DIRTY_IO_RUNQ->halt_in_progress = 1; +#endif erts_halt_code = code; notify_reap_ports_relb(); } diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index dcb9251d0d..ed6dadbffa 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -109,7 +109,6 @@ extern int erts_sched_balance_util; extern Uint erts_no_schedulers; #ifdef ERTS_DIRTY_SCHEDULERS extern Uint erts_no_dirty_cpu_schedulers; -extern Uint erts_no_dirty_cpu_schedulers_online; extern Uint erts_no_dirty_io_schedulers; #endif extern Uint erts_no_run_queues; @@ -544,6 +543,21 @@ typedef struct { #endif } ErtsAuxWorkData; +#ifdef ERTS_DIRTY_SCHEDULERS +typedef enum { + ERTS_DIRTY_CPU_SCHEDULER, + ERTS_DIRTY_IO_SCHEDULER +} ErtsDirtySchedulerType; + +typedef union { + struct { + ErtsDirtySchedulerType type: 1; + unsigned num: 31; + } s; + Uint no; +} ErtsDirtySchedId; +#endif + struct ErtsSchedulerData_ { /* * Keep X registers first (so we get as many low @@ -570,7 +584,7 @@ struct ErtsSchedulerData_ { Process *current_process; Uint no; /* Scheduler number for normal schedulers */ #ifdef ERTS_DIRTY_SCHEDULERS - Uint dirty_no; /* Scheduler number for dirty schedulers */ + ErtsDirtySchedId dirty_no; /* Scheduler number for dirty schedulers */ #endif Port *current_port; ErtsRunQueue *run_queue; @@ -607,6 +621,13 @@ extern ErtsAlignedSchedulerData *erts_aligned_dirty_io_scheduler_data; extern ErtsSchedulerData *erts_scheduler_data; #endif +#ifdef ERTS_SCHED_FAIR +#define ERTS_SCHED_FAIR_YIELD() ETHR_YIELD() +#else +#define ERTS_SCHED_FAIR 0 +#define ERTS_SCHED_FAIR_YIELD() +#endif + #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) int erts_smp_lc_runq_is_locked(ErtsRunQueue *); #endif @@ -1292,6 +1313,8 @@ extern struct erts_system_profile_flags_t erts_system_profile_flags; &erts_aligned_run_queues[(IX)].runq) #define ERTS_DIRTY_CPU_RUNQ (&erts_aligned_run_queues[-1].runq) #define ERTS_DIRTY_IO_RUNQ (&erts_aligned_run_queues[-2].runq) +#define ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(RQ) ((RQ)->ix == -1) +#define ERTS_RUNQ_IS_DIRTY_IO_RUNQ(RQ) ((RQ)->ix == -2) #else #define ERTS_RUNQ_IX_IS_DIRTY(IX) 0 #endif @@ -1305,21 +1328,37 @@ extern struct erts_system_profile_flags_t erts_system_profile_flags; #define ERTS_DIRTY_IO_SCHEDULER_IX(IX) \ (ASSERT(0 <= (IX) && (IX) < erts_no_dirty_io_schedulers), \ &erts_aligned_dirty_io_scheduler_data[(IX)].esd) +#define ERTS_DIRTY_SCHEDULER_NO(ESDP) \ + ((ESDP)->dirty_no.s.num) +#define ERTS_DIRTY_SCHEDULER_TYPE(ESDP) \ + ((ESDP)->dirty_no.s.type) #ifdef ERTS_SMP #define ERTS_SCHEDULER_IS_DIRTY(ESDP) \ - ((ESDP)->dirty_no != 0) + ((ESDP)->dirty_no.s.num != 0) +#define ERTS_SCHEDULER_IS_DIRTY_CPU(ESDP) \ + ((ESDP)->dirty_no.s.type == 0) +#define ERTS_SCHEDULER_IS_DIRTY_IO(ESDP) \ + ((ESDP)->dirty_no.s.type == 1) #else #define ERTS_SCHEDULER_IS_DIRTY(ESDP) 0 +#define ERTS_SCHEDULER_IS_DIRTY_CPU(ESDP) 0 +#define ERTS_SCHEDULER_IS_DIRTY_IO(ESDP) 0 #endif #else #define ERTS_RUNQ_IX_IS_DIRTY(IX) 0 #define ERTS_SCHEDULER_IS_DIRTY(ESDP) 0 +#define ERTS_SCHEDULER_IS_DIRTY_CPU(ESDP) 0 +#define ERTS_SCHEDULER_IS_DIRTY_IO(ESDP) 0 #endif void erts_pre_init_process(void); void erts_late_init_process(void); void erts_early_init_scheduling(int); -void erts_init_scheduling(int, int); +void erts_init_scheduling(int, int +#ifdef ERTS_DIRTY_SCHEDULERS + , int, int, int +#endif + ); int erts_set_gc_state(Process *c_p, int enable); Eterm erts_sched_wall_time_request(Process *c_p, int set, int enable); @@ -1526,7 +1565,11 @@ ErtsSchedSuspendResult erts_set_schedulers_online(Process *p, ErtsProcLocks plocks, Sint new_no, - Sint *old_no); + Sint *old_no +#ifdef ERTS_DIRTY_SCHEDULERS + , int dirty_only +#endif + ); ErtsSchedSuspendResult erts_block_multi_scheduling(Process *, ErtsProcLocks, int, int); int erts_is_multi_scheduling_blocked(void); @@ -2009,12 +2052,6 @@ erts_get_runq_current(ErtsSchedulerData *esdp) #endif } -#ifdef ERTS_ENABLE_LOCK_COUNT - -#define erts_smp_runq_lock(rq) erts_smp_mtx_lock_x(&(rq)->mtx, __FILE__, __LINE__) - -#else - ERTS_GLB_INLINE void erts_smp_runq_lock(ErtsRunQueue *rq) { @@ -2023,6 +2060,10 @@ erts_smp_runq_lock(ErtsRunQueue *rq) #endif } +#ifdef ERTS_ENABLE_LOCK_COUNT + +#define erts_smp_runq_lock(rq) erts_smp_mtx_lock_x(&(rq)->mtx, __FILE__, __LINE__) + #endif ERTS_GLB_INLINE int diff --git a/erts/emulator/beam/erl_process_dict.c b/erts/emulator/beam/erl_process_dict.c index a611b52af2..23e5bf737f 100644 --- a/erts/emulator/beam/erl_process_dict.c +++ b/erts/emulator/beam/erl_process_dict.c @@ -659,7 +659,7 @@ static void shrink(Process *p, Eterm* ret) } else { int needed = 4; if (is_list(hi) && is_list(lo)) { - needed = 2*list_length(hi); + needed = 2*erts_list_length(hi); } if (HeapWordsLeft(p) < needed) { BUMP_REDS(p, erts_garbage_collect(p, needed, ret, 1)); diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c index 2db5df06b4..82cc68222d 100644 --- a/erts/emulator/beam/erl_process_lock.c +++ b/erts/emulator/beam/erl_process_lock.c @@ -117,7 +117,7 @@ erts_init_proc_lock(int cpus) for (i = 0; i < ERTS_NO_OF_PIX_LOCKS; i++) { #ifdef ERTS_ENABLE_LOCK_COUNT erts_mtx_init_x(&erts_pix_locks[i].u.mtx, - "pix_lock", make_small(i)); + "pix_lock", make_small(i), 1); #else erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock"); #endif @@ -901,7 +901,7 @@ erts_pid2proc_opt(Process *c_p, busy = (int) erts_smp_proc_raw_trylock__(proc, need_locks); #if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_CHECK) - erts_proc_lc_trylock(proc, need_locks, !busy); + erts_proc_lc_trylock(proc, need_locks, !busy, __FILE__,__LINE__); #endif #ifdef ERTS_PROC_LOCK_DEBUG if (!busy) @@ -1001,8 +1001,8 @@ erts_pid2proc_opt(Process *c_p, void erts_proc_lock_init(Process *p) { -#if ERTS_PROC_LOCK_OWN_IMPL int i; +#if ERTS_PROC_LOCK_OWN_IMPL /* We always start with all locks locked */ #if ERTS_PROC_LOCK_ATOMIC_IMPL erts_smp_atomic32_init_nob(&p->lock.flags, @@ -1013,25 +1013,33 @@ erts_proc_lock_init(Process *p) for (i = 0; i <= ERTS_PROC_LOCK_MAX_BIT; i++) p->lock.queue[i] = NULL; #ifdef ERTS_ENABLE_LOCK_CHECK - erts_proc_lc_trylock(p, ERTS_PROC_LOCKS_ALL, 1); + erts_proc_lc_trylock(p, ERTS_PROC_LOCKS_ALL, 1,__FILE__,__LINE__); #endif #elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL - erts_mtx_init_x(&p->lock.main, "proc_main", p->common.id); + +#ifdef ERTS_ENABLE_LOCK_COUNT + int do_lock_count = 1; +#else + int do_lock_count = 0; +#endif + + erts_mtx_init_x(&p->lock.main, "proc_main", p->common.id, do_lock_count); ethr_mutex_lock(&p->lock.main.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.main.lc); #endif - erts_mtx_init_x(&p->lock.link, "proc_link", p->common.id); + erts_mtx_init_x(&p->lock.link, "proc_link", p->common.id, do_lock_count); ethr_mutex_lock(&p->lock.link.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.link.lc); #endif - erts_mtx_init_x(&p->lock.msgq, "proc_msgq", p->common.id); + erts_mtx_init_x(&p->lock.msgq, "proc_msgq", p->common.id, do_lock_count); ethr_mutex_lock(&p->lock.msgq.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.msgq.lc); #endif - erts_mtx_init_x(&p->lock.status, "proc_status", p->common.id); + erts_mtx_init_x(&p->lock.status, "proc_status", p->common.id, + do_lock_count); ethr_mutex_lock(&p->lock.status.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.status.lc); @@ -1210,50 +1218,51 @@ void erts_lcnt_enable_proc_lock_count(int enable) #if ERTS_PROC_LOCK_OWN_IMPL void -erts_proc_lc_lock(Process *p, ErtsProcLocks locks) +erts_proc_lc_lock(Process *p, ErtsProcLocks locks, char *file, unsigned int line) { erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1, p->common.id, ERTS_LC_FLG_LT_PROCLOCK); if (locks & ERTS_PROC_LOCK_MAIN) { lck.id = lc_id.proc_lock_main; - erts_lc_lock(&lck); + erts_lc_lock_x(&lck,file,line); } if (locks & ERTS_PROC_LOCK_LINK) { lck.id = lc_id.proc_lock_link; - erts_lc_lock(&lck); + erts_lc_lock_x(&lck,file,line); } if (locks & ERTS_PROC_LOCK_MSGQ) { lck.id = lc_id.proc_lock_msgq; - erts_lc_lock(&lck); + erts_lc_lock_x(&lck,file,line); } if (locks & ERTS_PROC_LOCK_STATUS) { lck.id = lc_id.proc_lock_status; - erts_lc_lock(&lck); + erts_lc_lock_x(&lck,file,line); } } void -erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked) +erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked, + char* file, unsigned int line) { erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1, p->common.id, ERTS_LC_FLG_LT_PROCLOCK); if (locks & ERTS_PROC_LOCK_MAIN) { lck.id = lc_id.proc_lock_main; - erts_lc_trylock(locked, &lck); + erts_lc_trylock_x(locked, &lck, file, line); } if (locks & ERTS_PROC_LOCK_LINK) { lck.id = lc_id.proc_lock_link; - erts_lc_trylock(locked, &lck); + erts_lc_trylock_x(locked, &lck, file, line); } if (locks & ERTS_PROC_LOCK_MSGQ) { lck.id = lc_id.proc_lock_msgq; - erts_lc_trylock(locked, &lck); + erts_lc_trylock_x(locked, &lck, file, line); } if (locks & ERTS_PROC_LOCK_STATUS) { lck.id = lc_id.proc_lock_status; - erts_lc_trylock(locked, &lck); + erts_lc_trylock_x(locked, &lck, file, line); } } @@ -1319,7 +1328,8 @@ erts_proc_lc_might_unlock(Process *p, ErtsProcLocks locks) } void -erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks) +erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks, char *file, + unsigned int line) { #if ERTS_PROC_LOCK_OWN_IMPL erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1, @@ -1327,29 +1337,29 @@ erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks) ERTS_LC_FLG_LT_PROCLOCK); if (locks & ERTS_PROC_LOCK_MAIN) { lck.id = lc_id.proc_lock_main; - erts_lc_require_lock(&lck); + erts_lc_require_lock(&lck, file, line); } if (locks & ERTS_PROC_LOCK_LINK) { lck.id = lc_id.proc_lock_link; - erts_lc_require_lock(&lck); + erts_lc_require_lock(&lck, file, line); } if (locks & ERTS_PROC_LOCK_MSGQ) { lck.id = lc_id.proc_lock_msgq; - erts_lc_require_lock(&lck); + erts_lc_require_lock(&lck, file, line); } if (locks & ERTS_PROC_LOCK_STATUS) { lck.id = lc_id.proc_lock_status; - erts_lc_require_lock(&lck); + erts_lc_require_lock(&lck, file, line); } #elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL if (locks & ERTS_PROC_LOCK_MAIN) - erts_lc_require_lock(&p->lock.main.lc); + erts_lc_require_lock(&p->lock.main.lc, file, line); if (locks & ERTS_PROC_LOCK_LINK) - erts_lc_require_lock(&p->lock.link.lc); + erts_lc_require_lock(&p->lock.link.lc, file, line); if (locks & ERTS_PROC_LOCK_MSGQ) - erts_lc_require_lock(&p->lock.msgq.lc); + erts_lc_require_lock(&p->lock.msgq.lc, file, line); if (locks & ERTS_PROC_LOCK_STATUS) - erts_lc_require_lock(&p->lock.status.lc); + erts_lc_require_lock(&p->lock.status.lc, file, line); #endif } diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h index 9dd503f3cb..052d992d3f 100644 --- a/erts/emulator/beam/erl_process_lock.h +++ b/erts/emulator/beam/erl_process_lock.h @@ -215,7 +215,7 @@ typedef struct erts_proc_lock_t_ { /* Lock counter implemetation */ -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION #define erts_smp_proc_lock__(P,I,L) erts_smp_proc_lock_x__(P,I,L,__FILE__,__LINE__) #define erts_smp_proc_lock(P,L) erts_smp_proc_lock_x(P,L,__FILE__,__LINE__) #endif @@ -243,8 +243,10 @@ void erts_lcnt_enable_proc_lock_count(int enable); erts_proc_lc_chk_no_proc_locks(__FILE__, __LINE__) #define ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(P) \ erts_proc_lc_chk_only_proc_main((P)) -void erts_proc_lc_lock(Process *p, ErtsProcLocks locks); -void erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked); +void erts_proc_lc_lock(Process *p, ErtsProcLocks locks, + char *file, unsigned int line); +void erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked, + char *file, unsigned int line); void erts_proc_lc_unlock(Process *p, ErtsProcLocks locks); void erts_proc_lc_might_unlock(Process *p, ErtsProcLocks locks); void erts_proc_lc_chk_have_proc_locks(Process *p, ErtsProcLocks locks); @@ -253,7 +255,8 @@ void erts_proc_lc_chk_only_proc_main(Process *p); void erts_proc_lc_chk_no_proc_locks(char *file, int line); ErtsProcLocks erts_proc_lc_my_proc_locks(Process *p); int erts_proc_lc_trylock_force_busy(Process *p, ErtsProcLocks locks); -void erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks); +void erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks, + char* file, unsigned int line); void erts_proc_lc_unrequire_lock(Process *p, ErtsProcLocks locks); #else #define ERTS_SMP_CHK_NO_PROC_LOCKS @@ -372,7 +375,7 @@ ERTS_GLB_INLINE int erts_lc_pix_lock_is_locked(erts_pix_lock_t *); ERTS_GLB_INLINE ErtsProcLocks erts_smp_proc_raw_trylock__(Process *p, ErtsProcLocks locks); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_smp_proc_lock_x__(Process *, erts_pix_lock_t *, ErtsProcLocks, @@ -482,7 +485,7 @@ busy_main: } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_proc_lock_x__(Process *p, erts_pix_lock_t *pix_lck, ErtsProcLocks locks, @@ -528,7 +531,7 @@ erts_smp_proc_lock__(Process *p, erts_lcnt_proc_lock_post_x(&(p->lock), locks, file, line); #endif #ifdef ERTS_ENABLE_LOCK_CHECK - erts_proc_lc_lock(p, locks); + erts_proc_lc_lock(p, locks, file, line); #endif #ifdef ERTS_PROC_LOCK_DEBUG @@ -695,7 +698,7 @@ erts_smp_proc_trylock__(Process *p, #endif #ifdef ERTS_ENABLE_LOCK_CHECK - erts_proc_lc_trylock(p, locks, res == 0); + erts_proc_lc_trylock(p, locks, res == 0, __FILE__, __LINE__); #endif #if ERTS_PROC_LOCK_ATOMIC_IMPL @@ -741,7 +744,7 @@ erts_proc_lock_op_debug(Process *p, ErtsProcLocks locks, int locked) #endif /* ERTS_SMP */ -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_smp_proc_lock_x(Process *, ErtsProcLocks, char *file, unsigned int line); #else ERTS_GLB_INLINE void erts_smp_proc_lock(Process *, ErtsProcLocks); @@ -756,13 +759,13 @@ ERTS_GLB_INLINE void erts_smp_proc_add_refc(Process *, Sint32); #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_proc_lock_x(Process *p, ErtsProcLocks locks, char *file, unsigned int line) #else erts_smp_proc_lock(Process *p, ErtsProcLocks locks) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_smp_proc_lock_x__(p, #if ERTS_PROC_LOCK_ATOMIC_IMPL NULL, diff --git a/erts/emulator/beam/erl_ptab.c b/erts/emulator/beam/erl_ptab.c index fa5482b841..eabf016081 100644 --- a/erts/emulator/beam/erl_ptab.c +++ b/erts/emulator/beam/erl_ptab.c @@ -756,7 +756,8 @@ erts_ptab_delete_element(ErtsPTab *ptab, pix = erts_ptab_id2pix(ptab, ptab_el->id); - ASSERT(erts_get_scheduler_id()); /* *Need* to be a scheduler */ + /* *Need* to be an managed thread */ + ERTS_SMP_LC_ASSERT(erts_thr_progress_is_managed_thread()); erts_ptab_rlock(ptab); maybe_save = ptab->list.data.deleted.end != NULL; diff --git a/erts/emulator/beam/erl_smp.h b/erts/emulator/beam/erl_smp.h index ecb5525022..c38ef47d87 100644 --- a/erts/emulator/beam/erl_smp.h +++ b/erts/emulator/beam/erl_smp.h @@ -26,10 +26,13 @@ #define ERL_SMP_H #include "erl_threads.h" -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION #define erts_smp_mtx_lock(L) erts_smp_mtx_lock_x(L, __FILE__, __LINE__) +#define erts_smp_mtx_trylock(L) erts_smp_mtx_trylock_x(L, __FILE__, __LINE__) #define erts_smp_spin_lock(L) erts_smp_spin_lock_x(L, __FILE__, __LINE__) +#define erts_smp_rwmtx_tryrlock(L) erts_smp_rwmtx_tryrlock_x(L, __FILE__, __LINE__) #define erts_smp_rwmtx_rlock(L) erts_smp_rwmtx_rlock_x(L, __FILE__, __LINE__) +#define erts_smp_rwmtx_tryrwlock(L) erts_smp_rwmtx_tryrwlock_x(L, __FILE__, __LINE__) #define erts_smp_rwmtx_rwlock(L) erts_smp_rwmtx_rwlock_x(L, __FILE__, __LINE__) #define erts_smp_read_lock(L) erts_smp_read_lock_x(L, __FILE__, __LINE__) #define erts_smp_write_lock(L) erts_smp_write_lock_x(L, __FILE__, __LINE__) @@ -131,10 +134,11 @@ ERTS_GLB_INLINE void erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx, ERTS_GLB_INLINE void erts_smp_mtx_init(erts_smp_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_smp_mtx_init_locked(erts_smp_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_smp_mtx_destroy(erts_smp_mtx_t *mtx); -ERTS_GLB_INLINE int erts_smp_mtx_trylock(erts_smp_mtx_t *mtx); -#ifdef ERTS_ENABLE_LOCK_COUNT -ERTS_GLB_INLINE void erts_smp_mtx_lock_x(erts_smp_mtx_t *mtx, char *file, int line); +#ifdef ERTS_ENABLE_LOCK_POSITION +ERTS_GLB_INLINE int erts_smp_mtx_trylock_x(erts_smp_mtx_t *mtx, char *file, unsigned int line); +ERTS_GLB_INLINE void erts_smp_mtx_lock_x(erts_smp_mtx_t *mtx, char *file, unsigned int line); #else +ERTS_GLB_INLINE int erts_smp_mtx_trylock(erts_smp_mtx_t *mtx); ERTS_GLB_INLINE void erts_smp_mtx_lock(erts_smp_mtx_t *mtx); #endif ERTS_GLB_INLINE void erts_smp_mtx_unlock(erts_smp_mtx_t *mtx); @@ -159,16 +163,18 @@ ERTS_GLB_INLINE void erts_smp_rwmtx_init_opt(erts_smp_rwmtx_t *rwmtx, ERTS_GLB_INLINE void erts_smp_rwmtx_init(erts_smp_rwmtx_t *rwmtx, char *name); ERTS_GLB_INLINE void erts_smp_rwmtx_destroy(erts_smp_rwmtx_t *rwmtx); -ERTS_GLB_INLINE int erts_smp_rwmtx_tryrlock(erts_smp_rwmtx_t *rwmtx); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION +ERTS_GLB_INLINE int erts_smp_rwmtx_tryrlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line); ERTS_GLB_INLINE void erts_smp_rwmtx_rlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line); ERTS_GLB_INLINE void erts_smp_rwmtx_rwlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line); +ERTS_GLB_INLINE int erts_smp_rwmtx_tryrwlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line); #else +ERTS_GLB_INLINE int erts_smp_rwmtx_tryrlock(erts_smp_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_smp_rwmtx_rlock(erts_smp_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_smp_rwmtx_rwlock(erts_smp_rwmtx_t *rwmtx); +ERTS_GLB_INLINE int erts_smp_rwmtx_tryrwlock(erts_smp_rwmtx_t *rwmtx); #endif ERTS_GLB_INLINE void erts_smp_rwmtx_runlock(erts_smp_rwmtx_t *rwmtx); -ERTS_GLB_INLINE int erts_smp_rwmtx_tryrwlock(erts_smp_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_smp_rwmtx_rwunlock(erts_smp_rwmtx_t *rwmtx); ERTS_GLB_INLINE int erts_smp_lc_rwmtx_is_rlocked(erts_smp_rwmtx_t *mtx); ERTS_GLB_INLINE int erts_smp_lc_rwmtx_is_rwlocked(erts_smp_rwmtx_t *mtx); @@ -179,7 +185,7 @@ ERTS_GLB_INLINE void erts_smp_spinlock_init(erts_smp_spinlock_t *lock, char *name); ERTS_GLB_INLINE void erts_smp_spinlock_destroy(erts_smp_spinlock_t *lock); ERTS_GLB_INLINE void erts_smp_spin_unlock(erts_smp_spinlock_t *lock); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_smp_spin_lock_x(erts_smp_spinlock_t *lock, char *file, unsigned int line); #else ERTS_GLB_INLINE void erts_smp_spin_lock(erts_smp_spinlock_t *lock); @@ -192,7 +198,7 @@ ERTS_GLB_INLINE void erts_smp_rwlock_init(erts_smp_rwlock_t *lock, char *name); ERTS_GLB_INLINE void erts_smp_rwlock_destroy(erts_smp_rwlock_t *lock); ERTS_GLB_INLINE void erts_smp_read_unlock(erts_smp_rwlock_t *lock); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_smp_read_lock_x(erts_smp_rwlock_t *lock, char *file, unsigned int line); ERTS_GLB_INLINE void erts_smp_write_lock_x(erts_smp_rwlock_t *lock, char *file, unsigned int line); #else @@ -202,7 +208,8 @@ ERTS_GLB_INLINE void erts_smp_write_lock(erts_smp_rwlock_t *lock); ERTS_GLB_INLINE void erts_smp_write_unlock(erts_smp_rwlock_t *lock); ERTS_GLB_INLINE int erts_smp_lc_rwlock_is_rlocked(erts_smp_rwlock_t *lock); ERTS_GLB_INLINE int erts_smp_lc_rwlock_is_rwlocked(erts_smp_rwlock_t *lock); -ERTS_GLB_INLINE void erts_smp_tsd_key_create(erts_smp_tsd_key_t *keyp); +ERTS_GLB_INLINE void erts_smp_tsd_key_create(erts_smp_tsd_key_t *keyp, + char *keyname); ERTS_GLB_INLINE void erts_smp_tsd_key_delete(erts_smp_tsd_key_t key); ERTS_GLB_INLINE void erts_smp_tsd_set(erts_smp_tsd_key_t key, void *value); ERTS_GLB_INLINE void * erts_smp_tsd_get(erts_smp_tsd_key_t key); @@ -835,7 +842,7 @@ ERTS_GLB_INLINE void erts_smp_mtx_init_x(erts_smp_mtx_t *mtx, char *name, Eterm extra) { #ifdef ERTS_SMP - erts_mtx_init_x(mtx, name, extra); + erts_mtx_init_x(mtx, name, extra, 1); #endif } @@ -843,7 +850,7 @@ ERTS_GLB_INLINE void erts_smp_mtx_init_locked_x(erts_smp_mtx_t *mtx, char *name, Eterm extra) { #ifdef ERTS_SMP - erts_mtx_init_locked_x(mtx, name, extra); + erts_mtx_init_locked_x(mtx, name, extra, 1); #endif } @@ -872,9 +879,15 @@ erts_smp_mtx_destroy(erts_smp_mtx_t *mtx) } ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_smp_mtx_trylock_x(erts_smp_mtx_t *mtx, char *file, unsigned int line) +#else erts_smp_mtx_trylock(erts_smp_mtx_t *mtx) +#endif { -#ifdef ERTS_SMP +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) + return erts_mtx_trylock_x(mtx,file,line); +#elif defined(ERTS_SMP) return erts_mtx_trylock(mtx); #else return 0; @@ -884,13 +897,13 @@ erts_smp_mtx_trylock(erts_smp_mtx_t *mtx) ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT -erts_smp_mtx_lock_x(erts_smp_mtx_t *mtx, char *file, int line) +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_smp_mtx_lock_x(erts_smp_mtx_t *mtx, char *file, unsigned int line) #else erts_smp_mtx_lock(erts_smp_mtx_t *mtx) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_mtx_lock_x(mtx, file, line); #elif defined(ERTS_SMP) erts_mtx_lock(mtx); @@ -1020,9 +1033,15 @@ erts_smp_rwmtx_destroy(erts_smp_rwmtx_t *rwmtx) } ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_smp_rwmtx_tryrlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line) +#else erts_smp_rwmtx_tryrlock(erts_smp_rwmtx_t *rwmtx) +#endif { -#ifdef ERTS_SMP +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) + return erts_rwmtx_tryrlock_x(rwmtx, file, line); +#elif defined(ERTS_SMP) return erts_rwmtx_tryrlock(rwmtx); #else return 0; @@ -1030,13 +1049,13 @@ erts_smp_rwmtx_tryrlock(erts_smp_rwmtx_t *rwmtx) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_rwmtx_rlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line) #else erts_smp_rwmtx_rlock(erts_smp_rwmtx_t *rwmtx) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_rwmtx_rlock_x(rwmtx, file, line); #elif defined(ERTS_SMP) erts_rwmtx_rlock(rwmtx); @@ -1053,9 +1072,15 @@ erts_smp_rwmtx_runlock(erts_smp_rwmtx_t *rwmtx) ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_smp_rwmtx_tryrwlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line) +#else erts_smp_rwmtx_tryrwlock(erts_smp_rwmtx_t *rwmtx) +#endif { -#ifdef ERTS_SMP +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) + return erts_rwmtx_tryrwlock_x(rwmtx, file, line); +#elif defined(ERTS_SMP) return erts_rwmtx_tryrwlock(rwmtx); #else return 0; @@ -1063,13 +1088,13 @@ erts_smp_rwmtx_tryrwlock(erts_smp_rwmtx_t *rwmtx) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_rwmtx_rwlock_x(erts_smp_rwmtx_t *rwmtx, char *file, unsigned int line) #else erts_smp_rwmtx_rwlock(erts_smp_rwmtx_t *rwmtx) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_rwmtx_rwlock_x(rwmtx, file, line); #elif defined(ERTS_SMP) erts_rwmtx_rwlock(rwmtx); @@ -1171,13 +1196,13 @@ erts_smp_spin_unlock(erts_smp_spinlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_spin_lock_x(erts_smp_spinlock_t *lock, char *file, unsigned int line) #else erts_smp_spin_lock(erts_smp_spinlock_t *lock) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_spin_lock_x(lock, file, line); #elif defined(ERTS_SMP) erts_spin_lock(lock); @@ -1237,13 +1262,13 @@ erts_smp_read_unlock(erts_smp_rwlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_read_lock_x(erts_smp_rwlock_t *lock, char *file, unsigned int line) #else erts_smp_read_lock(erts_smp_rwlock_t *lock) #endif { -#if defined(ERTS_ENABLE_LOCK_COUNT) && defined(ERTS_SMP) +#if defined(ERTS_ENABLE_LOCK_POSITION) && defined(ERTS_SMP) erts_read_lock_x(lock, file, line); #elif defined(ERTS_SMP) erts_read_lock(lock); @@ -1263,13 +1288,13 @@ erts_smp_write_unlock(erts_smp_rwlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_smp_write_lock_x(erts_smp_rwlock_t *lock, char *file, unsigned int line) #else erts_smp_write_lock(erts_smp_rwlock_t *lock) #endif { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_POSITION) erts_write_lock_x(lock, file, line); #elif defined(ERTS_SMP) erts_write_lock(lock); @@ -1299,10 +1324,10 @@ erts_smp_lc_rwlock_is_rwlocked(erts_smp_rwlock_t *lock) } ERTS_GLB_INLINE void -erts_smp_tsd_key_create(erts_smp_tsd_key_t *keyp) +erts_smp_tsd_key_create(erts_smp_tsd_key_t *keyp, char* keyname) { #ifdef ERTS_SMP - erts_tsd_key_create(keyp); + erts_tsd_key_create(keyp,keyname); #endif } diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c index cf5e3dc012..545a0343d0 100644 --- a/erts/emulator/beam/erl_thr_progress.c +++ b/erts/emulator/beam/erl_thr_progress.c @@ -417,7 +417,8 @@ void erts_thr_progress_pre_init(void) { intrnl = NULL; - erts_tsd_key_create(&erts_thr_prgr_data_key__); + erts_tsd_key_create(&erts_thr_prgr_data_key__, + "erts_thr_prgr_data_key"); init_nob(&erts_thr_prgr__.current, ERTS_THR_PRGR_VAL_FIRST); } diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h index 759c8f4c33..80026104db 100644 --- a/erts/emulator/beam/erl_threads.h +++ b/erts/emulator/beam/erl_threads.h @@ -281,10 +281,13 @@ #define ERTS_THR_READ_MEMORY_BARRIER ETHR_READ_MEMORY_BARRIER #define ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER ETHR_READ_DEPEND_MEMORY_BARRIER -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION #define erts_mtx_lock(L) erts_mtx_lock_x(L, __FILE__, __LINE__) +#define erts_mtx_trylock(L) erts_mtx_trylock_x(L, __FILE__, __LINE__) #define erts_spin_lock(L) erts_spin_lock_x(L, __FILE__, __LINE__) +#define erts_rwmtx_tryrlock(L) erts_rwmtx_tryrlock_x(L, __FILE__, __LINE__) #define erts_rwmtx_rlock(L) erts_rwmtx_rlock_x(L, __FILE__, __LINE__) +#define erts_rwmtx_tryrwlock(L) erts_rwmtx_tryrwlock_x(L, __FILE__, __LINE__) #define erts_rwmtx_rwlock(L) erts_rwmtx_rwlock_x(L, __FILE__, __LINE__) #define erts_read_lock(L) erts_read_lock_x(L, __FILE__, __LINE__) #define erts_write_lock(L) erts_write_lock_x(L, __FILE__, __LINE__) @@ -461,18 +464,24 @@ ERTS_GLB_INLINE void erts_thr_exit(void *res); ERTS_GLB_INLINE void erts_thr_install_exit_handler(void (*exit_handler)(void)); ERTS_GLB_INLINE erts_tid_t erts_thr_self(void); ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y); -ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra); -ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt); +ERTS_GLB_INLINE void erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra, + int enable_lcnt); +ERTS_GLB_INLINE void erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, + Uint16 opt, int enable_lcnt); ERTS_GLB_INLINE void erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, - Eterm extra); + Eterm extra, + int enable_lcnt); ERTS_GLB_INLINE void erts_mtx_init(erts_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_mtx_init_locked(erts_mtx_t *mtx, char *name); ERTS_GLB_INLINE void erts_mtx_destroy(erts_mtx_t *mtx); -ERTS_GLB_INLINE int erts_mtx_trylock(erts_mtx_t *mtx); -#ifdef ERTS_ENABLE_LOCK_COUNT -ERTS_GLB_INLINE void erts_mtx_lock_x(erts_mtx_t *mtx, char *file, unsigned int line); +#ifdef ERTS_ENABLE_LOCK_POSITION +ERTS_GLB_INLINE int erts_mtx_trylock_x(erts_mtx_t *mtx, char *file, + unsigned int line); +ERTS_GLB_INLINE void erts_mtx_lock_x(erts_mtx_t *mtx, char *file, + unsigned int line); #else +ERTS_GLB_INLINE int erts_mtx_trylock(erts_mtx_t *mtx); ERTS_GLB_INLINE void erts_mtx_lock(erts_mtx_t *mtx); #endif ERTS_GLB_INLINE void erts_mtx_unlock(erts_mtx_t *mtx); @@ -496,16 +505,18 @@ ERTS_GLB_INLINE void erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx, ERTS_GLB_INLINE void erts_rwmtx_init(erts_rwmtx_t *rwmtx, char *name); ERTS_GLB_INLINE void erts_rwmtx_destroy(erts_rwmtx_t *rwmtx); -ERTS_GLB_INLINE int erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION +ERTS_GLB_INLINE int erts_rwmtx_tryrlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line); ERTS_GLB_INLINE void erts_rwmtx_rlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line); ERTS_GLB_INLINE void erts_rwmtx_rwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line); +ERTS_GLB_INLINE int erts_rwmtx_tryrwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line); #else +ERTS_GLB_INLINE int erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_rwmtx_rlock(erts_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx); +ERTS_GLB_INLINE int erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx); #endif ERTS_GLB_INLINE void erts_rwmtx_runlock(erts_rwmtx_t *rwmtx); -ERTS_GLB_INLINE int erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx); ERTS_GLB_INLINE void erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx); ERTS_GLB_INLINE int erts_lc_rwmtx_is_rlocked(erts_rwmtx_t *mtx); ERTS_GLB_INLINE int erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx); @@ -571,7 +582,7 @@ ERTS_GLB_INLINE void erts_spinlock_init(erts_spinlock_t *lock, char *name); ERTS_GLB_INLINE void erts_spinlock_destroy(erts_spinlock_t *lock); ERTS_GLB_INLINE void erts_spin_unlock(erts_spinlock_t *lock); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_spin_lock_x(erts_spinlock_t *lock, char *file, unsigned int line); #else ERTS_GLB_INLINE void erts_spin_lock(erts_spinlock_t *lock); @@ -584,7 +595,7 @@ ERTS_GLB_INLINE void erts_rwlock_init(erts_rwlock_t *lock, char *name); ERTS_GLB_INLINE void erts_rwlock_destroy(erts_rwlock_t *lock); ERTS_GLB_INLINE void erts_read_unlock(erts_rwlock_t *lock); -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION ERTS_GLB_INLINE void erts_read_lock_x(erts_rwlock_t *lock, char *file, unsigned int line); ERTS_GLB_INLINE void erts_write_lock_x(erts_rwlock_t *lock, char *file, unsigned int line); #else @@ -594,7 +605,7 @@ ERTS_GLB_INLINE void erts_write_lock(erts_rwlock_t *lock); ERTS_GLB_INLINE void erts_write_unlock(erts_rwlock_t *lock); ERTS_GLB_INLINE int erts_lc_rwlock_is_rlocked(erts_rwlock_t *lock); ERTS_GLB_INLINE int erts_lc_rwlock_is_rwlocked(erts_rwlock_t *lock); -ERTS_GLB_INLINE void erts_tsd_key_create(erts_tsd_key_t *keyp); +ERTS_GLB_INLINE void erts_tsd_key_create(erts_tsd_key_t *keyp, char *keyname); ERTS_GLB_INLINE void erts_tsd_key_delete(erts_tsd_key_t key); ERTS_GLB_INLINE void erts_tsd_set(erts_tsd_key_t key, void *value); ERTS_GLB_INLINE void * erts_tsd_get(erts_tsd_key_t key); @@ -1549,7 +1560,7 @@ erts_equal_tids(erts_tid_t x, erts_tid_t y) } ERTS_GLB_INLINE void -erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra) +erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt) { #ifdef USE_THREADS int res = ethr_mutex_init(&mtx->mtx); @@ -1559,13 +1570,17 @@ erts_mtx_init_x(erts_mtx_t *mtx, char *name, Eterm extra) erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra); #endif #ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra); + if (enable_lcnt) + erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra); + else + erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX, extra); #endif #endif } ERTS_GLB_INLINE void -erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt) +erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt, + int enable_lcnt) { #ifdef USE_THREADS int res = ethr_mutex_init(&mtx->mtx); @@ -1575,14 +1590,17 @@ erts_mtx_init_x_opt(erts_mtx_t *mtx, char *name, Eterm extra, Uint16 opt) erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra); #endif #ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra); + if (enable_lcnt) + erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX | opt, extra); + else + erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX | opt, extra); #endif #endif } ERTS_GLB_INLINE void -erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra) +erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra, int enable_lcnt) { #ifdef USE_THREADS int res = ethr_mutex_init(&mtx->mtx); @@ -1592,7 +1610,10 @@ erts_mtx_init_locked_x(erts_mtx_t *mtx, char *name, Eterm extra) erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra); #endif #ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra); + if (enable_lcnt) + erts_lcnt_init_lock_x(&mtx->lcnt, name, ERTS_LCNT_LT_MUTEX, extra); + else + erts_lcnt_init_lock_x(&mtx->lcnt, NULL, ERTS_LCNT_LT_MUTEX, extra); #endif ethr_mutex_lock(&mtx->mtx); #ifdef ERTS_ENABLE_LOCK_CHECK @@ -1670,7 +1691,11 @@ erts_mtx_destroy(erts_mtx_t *mtx) } ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_mtx_trylock_x(erts_mtx_t *mtx, char *file, unsigned int line) +#else erts_mtx_trylock(erts_mtx_t *mtx) +#endif { #ifdef USE_THREADS int res; @@ -1684,8 +1709,12 @@ erts_mtx_trylock(erts_mtx_t *mtx) res = ethr_mutex_trylock(&mtx->mtx); #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_trylock_x(res == 0, &mtx->lc,file,line); +#else erts_lc_trylock(res == 0, &mtx->lc); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_trylock(&mtx->lcnt, res); #endif @@ -1697,7 +1726,7 @@ erts_mtx_trylock(erts_mtx_t *mtx) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_mtx_lock_x(erts_mtx_t *mtx, char *file, unsigned int line) #else erts_mtx_lock(erts_mtx_t *mtx) @@ -1705,8 +1734,12 @@ erts_mtx_lock(erts_mtx_t *mtx) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_x(&mtx->lc, file, line); +#else erts_lc_lock(&mtx->lc); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock(&mtx->lcnt); #endif @@ -1857,7 +1890,10 @@ erts_rwmtx_init_opt_x(erts_rwmtx_t *rwmtx, erts_lc_init_lock_x(&rwmtx->lc, name, ERTS_LC_FLG_LT_RWMUTEX, extra); #endif #ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_init_lock_x(&rwmtx->lcnt, name, ERTS_LCNT_LT_RWMUTEX, extra); + if (name && name[0] == '\0') + erts_lcnt_init_lock_x(&rwmtx->lcnt, NULL, ERTS_LCNT_LT_RWMUTEX, extra); + else + erts_lcnt_init_lock_x(&rwmtx->lcnt, name, ERTS_LCNT_LT_RWMUTEX, extra); #endif #endif } @@ -1921,7 +1957,11 @@ erts_rwmtx_destroy(erts_rwmtx_t *rwmtx) } ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_rwmtx_tryrlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line) +#else erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx) +#endif { #ifdef USE_THREADS int res; @@ -1935,8 +1975,12 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx) res = ethr_rwmutex_tryrlock(&rwmtx->rwmtx); #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ,file,line); +#else erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LCNT_LO_READ); #endif @@ -1948,7 +1992,7 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_rwmtx_rlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line) #else erts_rwmtx_rlock(erts_rwmtx_t *rwmtx) @@ -1956,8 +2000,12 @@ erts_rwmtx_rlock(erts_rwmtx_t *rwmtx) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LC_FLG_LO_READ,file,line); +#else erts_lc_lock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ); #endif @@ -1984,7 +2032,11 @@ erts_rwmtx_runlock(erts_rwmtx_t *rwmtx) ERTS_GLB_INLINE int +#ifdef ERTS_ENABLE_LOCK_POSITION +erts_rwmtx_tryrwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line) +#else erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx) +#endif { #ifdef USE_THREADS int res; @@ -1998,8 +2050,12 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx) res = ethr_rwmutex_tryrwlock(&rwmtx->rwmtx); #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line); +#else erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LCNT_LO_READ_WRITE); #endif @@ -2011,7 +2067,7 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_rwmtx_rwlock_x(erts_rwmtx_t *rwmtx, char *file, unsigned int line) #else erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx) @@ -2019,8 +2075,12 @@ erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line); +#else erts_lc_lock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LCNT_LO_READ_WRITE); #endif @@ -2426,7 +2486,7 @@ erts_spin_unlock(erts_spinlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_spin_lock_x(erts_spinlock_t *lock, char *file, unsigned int line) #else erts_spin_lock(erts_spinlock_t *lock) @@ -2434,8 +2494,12 @@ erts_spin_lock(erts_spinlock_t *lock) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_x(&lock->lc,file,line); +#else erts_lc_lock(&lock->lc); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock(&lock->lcnt); #endif @@ -2545,7 +2609,7 @@ erts_read_unlock(erts_rwlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_read_lock_x(erts_rwlock_t *lock, char *file, unsigned int line) #else erts_read_lock(erts_rwlock_t *lock) @@ -2553,8 +2617,12 @@ erts_read_lock(erts_rwlock_t *lock) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_flg_x(&lock->lc, ERTS_LC_FLG_LO_READ,file,line); +#else erts_lc_lock_flg(&lock->lc, ERTS_LC_FLG_LO_READ); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock_opt(&lock->lcnt, ERTS_LCNT_LO_READ); #endif @@ -2584,7 +2652,7 @@ erts_write_unlock(erts_rwlock_t *lock) } ERTS_GLB_INLINE void -#ifdef ERTS_ENABLE_LOCK_COUNT +#ifdef ERTS_ENABLE_LOCK_POSITION erts_write_lock_x(erts_rwlock_t *lock, char *file, unsigned int line) #else erts_write_lock(erts_rwlock_t *lock) @@ -2592,8 +2660,12 @@ erts_write_lock(erts_rwlock_t *lock) { #ifdef USE_THREADS #ifdef ERTS_ENABLE_LOCK_CHECK +#ifdef ERTS_ENABLE_LOCK_POSITION + erts_lc_lock_flg_x(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line); +#else erts_lc_lock_flg(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE); #endif +#endif #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_lock_opt(&lock->lcnt, ERTS_LCNT_LO_READ_WRITE); #endif @@ -2635,10 +2707,10 @@ erts_lc_rwlock_is_rwlocked(erts_rwlock_t *lock) } ERTS_GLB_INLINE void -erts_tsd_key_create(erts_tsd_key_t *keyp) +erts_tsd_key_create(erts_tsd_key_t *keyp, char *keyname) { #ifdef USE_THREADS - int res = ethr_tsd_key_create(keyp); + int res = ethr_tsd_key_create(keyp, keyname); if (res) erts_thr_fatal_error(res, "create thread specific data key"); #endif diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index ff7fdfcfca..6978a5f11a 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -3309,6 +3309,8 @@ sys_msg_dispatcher_func(void *unused) if (erts_thr_progress_update(NULL)) erts_thr_progress_leader_update(NULL); + ERTS_SCHED_FAIR_YIELD(); + #ifdef DEBUG_PRINTOUTS print_msg_type(smqp); #endif @@ -3467,12 +3469,20 @@ static void init_sys_msg_dispatcher(void) { erts_smp_thr_opts_t thr_opts = ERTS_SMP_THR_OPTS_DEFAULT_INITER; +#ifdef __OSE__ + thr_opts.coreNo = 0; +#endif thr_opts.detached = 1; init_smq_element_alloc(); sys_message_queue = NULL; sys_message_queue_end = NULL; erts_smp_cnd_init(&smq_cnd); erts_smp_mtx_init(&smq_mtx, "sys_msg_q"); + +#ifdef ETHR_HAVE_THREAD_NAMES + thr_opts.name = "sys_msg_dispatcher"; +#endif + erts_smp_thr_create(&sys_msg_dispatcher_tid, sys_msg_dispatcher_func, NULL, diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index 5b81d814c6..0807649ea1 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -150,7 +150,7 @@ void erts_silence_warn_unused_result(long unused); int erts_fit_in_bits_int64(Sint64); int erts_fit_in_bits_int32(Sint32); -int list_length(Eterm); +int erts_list_length(Eterm); int erts_is_builtin(Eterm, Eterm, int); Uint32 make_broken_hash(Eterm); Uint32 block_hash(byte *, unsigned, Uint32); @@ -202,17 +202,18 @@ int eq(Eterm, Eterm); #define EQ(x,y) (((x) == (y)) || (is_not_both_immed((x),(y)) && eq((x),(y)))) #if HALFWORD_HEAP -Sint cmp_rel_opt(Eterm, Eterm*, Eterm, Eterm*, int); -#define cmp_rel(A,A_BASE,B,B_BASE) cmp_rel_opt(A,A_BASE,B,B_BASE,0) -#define cmp_rel_term(A,A_BASE,B,B_BASE) cmp_rel_opt(A,A_BASE,B,B_BASE,1) -#define CMP(A,B) cmp_rel_opt(A,NULL,B,NULL,0) -#define CMP_TERM(A,B) cmp_rel_opt(A,NULL,B,NULL,1) +Sint erts_cmp_rel_opt(Eterm, Eterm*, Eterm, Eterm*, int); +#define cmp_rel(A,A_BASE,B,B_BASE) erts_cmp_rel_opt(A,A_BASE,B,B_BASE,0) +#define cmp_rel_term(A,A_BASE,B,B_BASE) erts_cmp_rel_opt(A,A_BASE,B,B_BASE,1) +#define CMP(A,B) erts_cmp_rel_opt(A,NULL,B,NULL,0) +#define CMP_TERM(A,B) erts_cmp_rel_opt(A,NULL,B,NULL,1) #else -Sint cmp(Eterm, Eterm, int); -#define cmp_rel(A,A_BASE,B,B_BASE) cmp(A,B,0) -#define cmp_rel_term(A,A_BASE,B,B_BASE) cmp(A,B,1) -#define CMP(A,B) cmp(A,B,0) -#define CMP_TERM(A,B) cmp(A,B,1) +Sint cmp(Eterm, Eterm); +Sint erts_cmp(Eterm, Eterm, int); +#define cmp_rel(A,A_BASE,B,B_BASE) erts_cmp(A,B,0) +#define cmp_rel_term(A,A_BASE,B,B_BASE) erts_cmp(A,B,1) +#define CMP(A,B) erts_cmp(A,B,0) +#define CMP_TERM(A,B) erts_cmp(A,B,1) #endif #define cmp_lt(a,b) (CMP((a),(b)) < 0) diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 2ca52c8025..9671cde228 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -529,7 +529,7 @@ Uint erts_encode_ext_size(Eterm term) Uint erts_encode_ext_size_2(Eterm term, unsigned dflags) { - return encode_size_struct2(NULL, term, TERM_TO_BINARY_DFLAGS|dflags) + return encode_size_struct2(NULL, term, dflags) + 1 /* VERSION_MAGIC */; } @@ -1099,10 +1099,10 @@ BIF_RETTYPE term_to_binary_2(BIF_ALIST_2) if (tp[1] == am_minor_version && is_small(tp[2])) { switch (signed_val(tp[2])) { case 0: - flags = TERM_TO_BINARY_DFLAGS; + flags = TERM_TO_BINARY_DFLAGS & ~DFLAG_NEW_FLOATS; break; case 1: - flags = TERM_TO_BINARY_DFLAGS|DFLAG_NEW_FLOATS; + flags = TERM_TO_BINARY_DFLAGS; break; default: goto error; @@ -1605,9 +1605,9 @@ external_size_2(BIF_ALIST_2) if (tp[1] == am_minor_version && is_small(tp[2])) { switch (signed_val(tp[2])) { case 0: + flags &= ~DFLAG_NEW_FLOATS; break; case 1: - flags |= DFLAG_NEW_FLOATS; break; default: goto error; diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 3b16cdeb4a..cd5060ebb3 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -49,7 +49,9 @@ #include "erl_map.h" extern ErlDrvEntry fd_driver_entry; +#ifndef __OSE__ extern ErlDrvEntry vanilla_driver_entry; +#endif extern ErlDrvEntry spawn_driver_entry; extern ErlDrvEntry *driver_tab[]; /* table of static drivers, only used during initialization */ @@ -245,11 +247,13 @@ static ERTS_INLINE void port_init_instr(Port *prt ASSERT(prt->drv_ptr && prt->lock); if (!prt->drv_ptr->lock) { char *lock_str = "port_lock"; + erts_mtx_init_locked_x(prt->lock, lock_str, id, #ifdef ERTS_ENABLE_LOCK_COUNT - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK)) - lock_str = NULL; + (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) +#else + 0 #endif - erts_mtx_init_locked_x(prt->lock, lock_str, id); + ); } #endif erts_port_task_init_sched(&prt->sched, id); @@ -2743,8 +2747,10 @@ void erts_init_io(int port_tab_size, &drv_list_rwmtx_opts, "driver_list"); driver_list = NULL; - erts_smp_tsd_key_create(&driver_list_lock_status_key); - erts_smp_tsd_key_create(&driver_list_last_error_key); + erts_smp_tsd_key_create(&driver_list_lock_status_key, + "erts_driver_list_lock_status_key"); + erts_smp_tsd_key_create(&driver_list_last_error_key, + "erts_driver_list_last_error_key"); erts_ptab_init_table(&erts_port, ERTS_ALC_T_PORT_TABLE, @@ -2764,7 +2770,9 @@ void erts_init_io(int port_tab_size, erts_smp_rwmtx_rwlock(&erts_driver_list_lock); init_driver(&fd_driver, &fd_driver_entry, NULL); +#ifndef __OSE__ init_driver(&vanilla_driver, &vanilla_driver_entry, NULL); +#endif init_driver(&spawn_driver, &spawn_driver_entry, NULL); erts_init_static_drivers(); for (dp = driver_tab; *dp != NULL; dp++) @@ -7306,10 +7314,11 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle) erts_atom_put((byte *) drv->name, sys_strlen(drv->name), ERTS_ATOM_ENC_LATIN1, - 1) + 1), #else - NIL + NIL, #endif + 1 ); } #endif diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 9ea3a3a8ea..73630fda8e 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1469,17 +1469,16 @@ apply_last I P # Map instructions in R17. # -# put_map Fail Src Dst Live Size Rest=* => jump Fail -# is_map Fail Src => jump Fail -# has_map_field Fail Src Key => jump Fail -# get_map_element Fail Src Key Dst => jump Fail - put_map_assoc F n Dst Live Size Rest=* => new_map F Dst Live Size Rest -put_map_exact F n Dst Live Size Rest=* => new_map F Dst Live Size Rest -put_map_assoc F Src Dst Live Size Rest=* => \ +put_map_assoc F Src=s Dst Live Size Rest=* => \ update_map_assoc F Src Dst Live Size Rest -put_map_exact F Src Dst Live Size Rest=* => \ +put_map_assoc F Src Dst Live Size Rest=* => \ + move Src x | update_map_assoc F x Dst Live Size Rest +put_map_exact F n Dst Live Size Rest=* => new_map F Dst Live Size Rest +put_map_exact F Src=s Dst Live Size Rest=* => \ update_map_exact F Src Dst Live Size Rest +put_map_exact F Src Dst Live Size Rest=* => \ + move Src x | update_map_exact F x Dst Live Size Rest new_map j d I I update_map_assoc j s d I I @@ -1492,6 +1491,15 @@ is_map f r is_map f x is_map f y +## Transform has_map_field(s) #{ K1 := _, K2 := _ } + +has_map_field/3 + +has_map_fields Fail Src Size=u==1 Rest=* => gen_has_map_field(Fail,Src,Size,Rest) +has_map_fields Fail Src Size Rest=* => i_has_map_fields Fail Src Size Rest + +i_has_map_fields f s I + has_map_field Fail Src=rxy Key=arxy => i_has_map_field Fail Src Key has_map_field Fail Src Key => move Key x | i_has_map_field Fail Src x @@ -1509,6 +1517,15 @@ i_has_map_field f r y i_has_map_field f x y i_has_map_field f y y +## Transform get_map_elements(s) #{ K1 := V1, K2 := V2 } + +get_map_element/4 + +get_map_elements Fail Src=rxy Size=u==2 Rest=* => gen_get_map_element(Fail,Src,Size,Rest) +get_map_elements Fail Src Size Rest=* => i_get_map_elements Fail Src Size Rest + +i_get_map_elements f s I + get_map_element Fail Src=rxy Key=ax Dst => i_get_map_element Fail Src Key Dst get_map_element Fail Src=rxy Key=rycq Dst => \ move Key x | i_get_map_element Fail Src x Dst diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 189d9ebac8..e273056a2b 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -38,6 +38,8 @@ #if defined (__WIN32__) # include "erl_win_sys.h" +#elif defined (__OSE__) +# include "erl_ose_sys.h" #else # include "erl_unix_sys.h" #ifndef UNIX diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index bc4a05d385..5b43d25e3c 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -258,7 +258,7 @@ erl_grow_wstack(ErtsWStack* s, UWord* default_wstack) * Returns -1 if not a proper list (i.e. not terminated with NIL) */ int -list_length(Eterm list) +erts_list_length(Eterm list) { int i = 0; @@ -2425,14 +2425,24 @@ static int cmp_atoms(Eterm a, Eterm b) bb->name+3, bb->len-3); } -/* cmp(Eterm a, Eterm b, int exact) +#if !HALFWORD_HEAP +/* cmp(Eterm a, Eterm b) + * For compatibility with HiPE - arith-based compare. + */ +Sint cmp(Eterm a, Eterm b) +{ + return erts_cmp(a, b, 0); +} +#endif + +/* erts_cmp(Eterm a, Eterm b, int exact) * exact = 1 -> term-based compare * exact = 0 -> arith-based compare */ #if HALFWORD_HEAP -Sint cmp_rel_opt(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base, int exact) +Sint erts_cmp_rel_opt(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base, int exact) #else -Sint cmp(Eterm a, Eterm b, int exact) +Sint erts_cmp(Eterm a, Eterm b, int exact) #endif { DECLARE_WSTACK(stack); diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index e040864d24..b62e9a0306 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -99,7 +99,16 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif + +#ifndef __OSE__ +#include <ctype.h> +#include <sys/types.h> #include <stdlib.h> +#else +#include "ctype.h" +#include "sys/types.h" +#include "stdlib.h" +#endif /* Need (NON)BLOCKING macros for sendfile */ #ifndef WANT_NONBLOCKING @@ -113,8 +122,7 @@ #include "erl_threads.h" #include "gzio.h" #include "dtrace-wrapper.h" -#include <ctype.h> -#include <sys/types.h> + void erl_exit(int n, char *fmt, ...); @@ -765,6 +773,9 @@ file_init(void) : 0); driver_system_info(&sys_info, sizeof(ErlDrvSysInfo)); + /* run initiation of efile_driver if needed */ + efile_init(); + #ifdef USE_VM_PROBES erts_mtx_init(&dt_driver_mutex, "efile_drv dtrace mutex"); pthread_key_create(&dt_driver_key, NULL); @@ -911,6 +922,7 @@ static void reply_Uint_posix_error(file_descriptor *desc, Uint num, driver_output2(desc->port, response, t-response, NULL, 0); } +#ifdef HAVE_SENDFILE static void reply_string_error(file_descriptor *desc, char* str) { char response[256]; /* Response buffer. */ char* s; @@ -921,6 +933,7 @@ static void reply_string_error(file_descriptor *desc, char* str) { *t = tolower(*s); driver_output2(desc->port, response, t-response, NULL, 0); } +#endif static int reply_error(file_descriptor *desc, Efile_error *errInfo) /* The error codes. */ diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h index 95c036db8f..5a8e3bc5db 100644 --- a/erts/emulator/drivers/common/erl_efile.h +++ b/erts/emulator/drivers/common/erl_efile.h @@ -127,7 +127,7 @@ struct t_sendfile_hdtl { /* * Functions. */ - +int efile_init(void); int efile_mkdir(Efile_error* errInfo, char* name); int efile_rmdir(Efile_error* errInfo, char* name); int efile_delete_file(Efile_error* errInfo, char* name); diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c index 8ec2c3f762..ef539f8f9b 100644 --- a/erts/emulator/drivers/common/gzio.c +++ b/erts/emulator/drivers/common/gzio.c @@ -20,6 +20,7 @@ #endif #include <ctype.h> #include "erl_driver.h" +#include "erl_efile.h" #include "sys.h" #ifdef __WIN32__ @@ -597,6 +598,15 @@ erts_gzseek(ErtsGzFile file, int offset, int whence) int pos; gz_stream* s = (gz_stream *) file; + switch (whence) { + case EFILE_SEEK_SET: whence = SEEK_SET; break; + case EFILE_SEEK_CUR: whence = SEEK_CUR; break; + case EFILE_SEEK_END: whence = SEEK_END; break; + default: + errno = EINVAL; + return -1; + } + if (s == NULL) { errno = EINVAL; return -1; diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 4a861b121c..357a4b7bcb 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -121,6 +121,10 @@ typedef unsigned long long llu_t; #undef WANT_NONBLOCKING #include "sys.h" +#ifdef __OSE__ +#include "inet.h" +#endif + #undef EWOULDBLOCK #undef ETIMEDOUT @@ -289,7 +293,111 @@ static BOOL (WINAPI *fpSetHandleInformation)(HANDLE,DWORD,DWORD); static unsigned long zero_value = 0; static unsigned long one_value = 1; -#else /* #ifdef __WIN32__ */ +#elif defined (__OSE__) +#include "sys/socket.h" +#include "sys/uio.h" +#include "sfk/sys/sfk_uio.h" +#include "netinet/in.h" +#include "netinet/tcp.h" +#include "netdb.h" + +ssize_t writev(int fd, const struct iovec *iov, int iovcnt) +{ + return 0; +} + +#define INVALID_SOCKET -1 +#define INVALID_EVENT -1 +#define SOCKET_ERROR -1 + +#define SOCKET int +#define HANDLE long int +#define FD_READ ERL_DRV_READ +#define FD_WRITE ERL_DRV_WRITE +#define FD_CLOSE 0 +#define FD_CONNECT ERL_DRV_WRITE +#define FD_ACCEPT ERL_DRV_READ + +#define sock_connect(s, addr, len) connect((s), (addr), (len)) +#define sock_listen(s, b) listen((s), (b)) +#define sock_bind(s, addr, len) bind((s), (addr), (len)) +#define sock_getopt(s,t,n,v,l) getsockopt((s),(t),(n),(v),(l)) +#define sock_setopt(s,t,n,v,l) setsockopt((s),(t),(n),(v),(l)) +#define sock_name(s, addr, len) getsockname((s), (addr), (len)) +#define sock_peer(s, addr, len) getpeername((s), (addr), (len)) +#define sock_ntohs(x) ntohs((x)) +#define sock_ntohl(x) ntohl((x)) +#define sock_htons(x) htons((x)) +#define sock_htonl(x) htonl((x)) + +#define sock_accept(s, addr, len) accept((s), (addr), (len)) +#define sock_send(s,buf,len,flag) inet_send((s),(buf),(len),(flag)) +#define sock_sendto(s,buf,blen,flag,addr,alen) \ + sendto((s),(buf),(blen),(flag),(addr),(alen)) +#define sock_sendv(s, vec, size, np, flag) \ + (*(np) = writev((s), (struct iovec*)(vec), (size))) +#define sock_sendmsg(s,msghdr,flag) sendmsg((s),(msghdr),(flag)) + +#define sock_open(af, type, proto) socket((af), (type), (proto)) +#define sock_close(s) close((s)) +#define sock_shutdown(s, how) shutdown((s), (how)) + +#define sock_hostname(buf, len) gethostname((buf), (len)) +#define sock_getservbyname(name,proto) getservbyname((name), (proto)) +#define sock_getservbyport(port,proto) getservbyport((port), (proto)) + +#define sock_recv(s,buf,len,flag) recv((s),(buf),(len),(flag)) +#define sock_recvfrom(s,buf,blen,flag,addr,alen) \ + recvfrom((s),(buf),(blen),(flag),(addr),(alen)) +#define sock_recvmsg(s,msghdr,flag) recvmsg((s),(msghdr),(flag)) + +#define sock_errno() errno +#define sock_create_event(d) ((d)->s) /* return file descriptor */ +#define sock_close_event(e) /* do nothing */ + +#define inet_driver_select(port, e, mode, on) \ + driver_select(port, e, mode | (on?ERL_DRV_USE:0), on) + +#define sock_select(d, flags, onoff) do { \ + ASSERT(!(d)->is_ignored); \ + (d)->event_mask = (onoff) ? \ + ((d)->event_mask | (flags)) : \ + ((d)->event_mask & ~(flags)); \ + DEBUGF(("sock_select(%ld): flags=%02X, onoff=%d, event_mask=%02lX\r\n", \ + (long) (d)->port, (flags), (onoff), (unsigned long) (d)->event_mask)); \ + inet_driver_select((d)->port, (ErlDrvEvent)(long)(d)->event, (flags), (onoff)); \ + } while(0) + +#ifndef WANT_NONBLOCKING +#define WANT_NONBLOCKING +#endif +#include "sys.h" + +typedef unsigned long u_long; +#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSA_NSHIFT 24 +#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSB_NSHIFT 16 +#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) +#define IN_CLASSB_MAX 65536 + +#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) + +#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) +#define IN_MULTICAST(a) IN_CLASSD(a) + +#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) +#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) + +#else /* !__OSE__ && !__WIN32__ */ #include <sys/time.h> #ifdef NETDB_H_NEEDS_IN_H diff --git a/erts/emulator/drivers/ose/ose_efile.c b/erts/emulator/drivers/ose/ose_efile.c new file mode 100644 index 0000000000..035ff81a9b --- /dev/null +++ b/erts/emulator/drivers/ose/ose_efile.c @@ -0,0 +1,1124 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1997-2012. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Purpose: Provides file and directory operations for OSE. + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#if defined(HAVE_POSIX_FALLOCATE) && !defined(__sun) && !defined(__sun__) +#define _XOPEN_SOURCE 600 +#endif +#if !defined(_GNU_SOURCE) && defined(HAVE_LINUX_FALLOC_H) +#define _GNU_SOURCE +#endif +#include "sys.h" +#include "erl_driver.h" +#include "erl_efile.h" +#if defined(DARWIN) || defined(HAVE_LINUX_FALLOC_H) || defined(HAVE_POSIX_FALLOCATE) +#include "fcntl.h" +#endif +#include "ose.h" +#include "unistd.h" +#include "sys/stat.h" +#include "dirent.h" +#include "sys/time.h" +#include "time.h" +#include "assert.h" + +/* Find a definition of MAXIOV, that is used in the code later. */ +#if defined IOV_MAX +#define MAXIOV IOV_MAX +#elif defined UIO_MAXIOV +#define MAXIOV UIO_MAXIOV +#else +#define MAXIOV 16 +#endif + +/* + * Macros for testing file types. + */ + +#define ISDIR(st) (((st).st_mode & S_IFMT) == S_IFDIR) +#define ISREG(st) (((st).st_mode & S_IFMT) == S_IFREG) +#define ISDEV(st) \ + (((st).st_mode&S_IFMT) == S_IFCHR || ((st).st_mode&S_IFMT) == S_IFBLK) +#define ISLNK(st) (((st).st_mode & S_IFLNK) == S_IFLNK) +#ifdef NO_UMASK +#define FILE_MODE 0644 +#define DIR_MODE 0755 +#else +#define FILE_MODE 0666 +#define DIR_MODE 0777 +#endif + +#define IS_DOT_OR_DOTDOT(s) \ + (s[0] == '.' && (s[1] == '\0' || (s[1] == '.' && s[2] == '\0'))) + +/* + * Macros for handling local file descriptors + * and mutexes. + * + * Handling of files like this is necessary because OSE + * does not allow seeking after the end of a file. So + * what we do it emulate this by keeping track of the size + * of the file and where the file's positions is. If a + * write happens after eof then we pad it. + * + * Given time this should be rewritten to get rid of the + * mutex and use the port lock to protect the data. This + * could be done be done by adapting the efile api for some + * calls to allow some meta-data to be associated with the + * open file. + */ + +#define L_FD_IS_VALID(fd_data) ((fd_data)->beyond_eof > 0) +#define L_FD_INVALIDATE(fd_data) (fd_data)->beyond_eof = 0 +#define L_FD_CUR(fd_data) (fd_data)->pos +#define L_FD_OFFS_BEYOND_EOF(fd_data, offs) \ + (((fd_data)->size > offs) ? 0 : 1) + +#define L_FD_FAIL -1 +#define L_FD_SUCCESS 1 +#define L_FD_PAD_SIZE 255 + +struct fd_meta { + ErlDrvMutex *meta_mtx; + struct fd_data *fd_data_list; +}; + +struct fd_data { + int fd; + struct fd_data *next; + struct fd_data *prev; + int pos; + int beyond_eof; + size_t size; +#ifdef DEBUG + PROCESS owner; +#endif +}; + +static int l_invalidate_local_fd(int fd); +static int l_pad_file(struct fd_data *fd_data, off_t offset); +static int check_error(int result, Efile_error* errInfo); +static struct fd_data* l_new_fd(void); +static int l_remove_local_fd(int fd); +static struct fd_data* l_find_local_fd(int fd); +static int l_update_local_fd(int fd, int pos, int size); + +static struct fd_meta* fdm = NULL; + + +/***************************************************************************/ + +static int +l_remove_local_fd(int fd) +{ + struct fd_data *fd_data; + fd_data = l_find_local_fd(fd); + + if (fd_data == NULL) { + return L_FD_FAIL; + } +#ifdef DEBUG + assert(fd_data->owner == current_process()); +#endif + erl_drv_mutex_lock(fdm->meta_mtx); + /* head ? */ + if (fd_data == fdm->fd_data_list) { + if (fd_data->next != NULL) { + /* remove link to head */ + fd_data->next->prev = NULL; + /* set new head */ + fdm->fd_data_list = fd_data->next; + } + else { + /* head is lonely */ + fdm->fd_data_list = NULL; + } + } + else { /* not head */ + if (fd_data->prev == NULL) { + erl_drv_mutex_unlock(fdm->meta_mtx); + return L_FD_FAIL; + } + else { + if (fd_data->next != NULL) { + fd_data->next->prev = fd_data->prev; + fd_data->prev->next = fd_data->next; + } + else { + fd_data->prev->next = NULL; + } + } + } + + /* scramble values */ + fd_data->beyond_eof = -1; + fd_data->next = NULL; + fd_data->prev = NULL; + fd_data->fd = -1; + + /* unlock and clean */ + driver_free(fd_data); + erl_drv_mutex_unlock(fdm->meta_mtx); + + return L_FD_SUCCESS; +} + +/***************************************************************************/ + +static int +l_invalidate_local_fd(int fd) { + struct fd_data *fd_data; + + if ((fd_data = l_find_local_fd(fd)) == NULL) { + return L_FD_FAIL; + } + + fd_data->beyond_eof = 0; + return L_FD_SUCCESS; +} + +/****************************************************************************/ + +static struct fd_data* +l_find_local_fd(int fd) { + struct fd_data *fd_data; + + fd_data = NULL; + erl_drv_mutex_lock(fdm->meta_mtx); + for (fd_data = fdm->fd_data_list; fd_data != NULL; ) { + if (fd_data->fd == fd) { +#ifdef DEBUG + assert(fd_data->owner == current_process()); +#endif + break; + } + fd_data = fd_data->next; + } + erl_drv_mutex_unlock(fdm->meta_mtx); + return fd_data; +} + +/***************************************************************************/ + +static struct fd_data* +l_new_fd(void) { + struct fd_data *fd_data; + + fd_data = driver_alloc(sizeof(struct fd_data)); + if (fd_data == NULL) { + return NULL; + } + erl_drv_mutex_lock(fdm->meta_mtx); + if (fdm->fd_data_list == NULL) { + fdm->fd_data_list = fd_data; + fdm->fd_data_list->prev = NULL; + fdm->fd_data_list->next = NULL; + } + else { + fd_data->next = fdm->fd_data_list; + fdm->fd_data_list = fd_data; + fdm->fd_data_list->prev = NULL; + } +#ifdef DEBUG + fd_data->owner = current_process(); +#endif + erl_drv_mutex_unlock(fdm->meta_mtx); + return fd_data; +} + +/***************************************************************************/ + +static int +l_update_local_fd(int fd, int pos, int size) { + struct fd_data *fd_data = NULL; + + fd_data = l_find_local_fd(fd); + /* new fd to handle? */ + if (fd_data == NULL) { + fd_data = l_new_fd(); + if (fd_data == NULL) { + /* out of memory */ + return L_FD_FAIL; + } + } + fd_data->size = size; + fd_data->pos = pos; + fd_data->fd = fd; + fd_data->beyond_eof = 1; + + return L_FD_SUCCESS; +} + +/***************************************************************************/ + +static int +l_pad_file(struct fd_data *fd_data, off_t offset) { + int size_dif; + int written = 0; + int ret_val = L_FD_SUCCESS; + char padding[L_FD_PAD_SIZE]; + + size_dif = (offset - fd_data->size); + memset(&padding, '\0', L_FD_PAD_SIZE); + + while (size_dif > 0) { + written = write(fd_data->fd, padding, + (size_dif < L_FD_PAD_SIZE) ? + size_dif : L_FD_PAD_SIZE); + if (written < 0 && errno != EINTR && errno != EAGAIN) { + ret_val = -1; + break; + } + size_dif -= written; + } + L_FD_INVALIDATE(fd_data); + return ret_val; +} + +/***************************************************************************/ + +static int +check_error(int result, Efile_error *errInfo) { + if (result < 0) { + errInfo->posix_errno = errInfo->os_errno = errno; + return 0; + } + return 1; +} + +/***************************************************************************/ + +int +efile_init() { + fdm = driver_alloc(sizeof(struct fd_meta)); + if (fdm == NULL) { + return L_FD_FAIL; + } + fdm->meta_mtx = erl_drv_mutex_create("ose_efile local fd mutex\n"); + erl_drv_mutex_lock(fdm->meta_mtx); + fdm->fd_data_list = NULL; + erl_drv_mutex_unlock(fdm->meta_mtx); + return L_FD_SUCCESS; +} + +/***************************************************************************/ + +int +efile_mkdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to create. */ +{ +#ifdef NO_MKDIR_MODE + return check_error(mkdir(name), errInfo); +#else + int res = mkdir(name, DIR_MODE); + if (res < 0 && errno == EINVAL) { + errno = ENOENT; + } + return check_error(res, errInfo); +#endif +} + +/***************************************************************************/ + +int +efile_rmdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to delete. */ +{ + if (rmdir(name) == 0) { + return 1; + } + if (errno == ENOTEMPTY) { + errno = EEXIST; + } + if (errno == EEXIST || errno == EINVAL) { + int saved_errno = errno; + struct stat file_stat; + struct stat cwd_stat; + + if(stat(name, &file_stat) != 0) { + errno = ENOENT; + return check_error(-1, errInfo); + } + /* + * The error code might be wrong if this is the current directory. + */ + if (stat(name, &file_stat) == 0 && stat(".", &cwd_stat) == 0 && + file_stat.st_ino == cwd_stat.st_ino && + file_stat.st_dev == cwd_stat.st_dev) { + saved_errno = EACCES; + } + errno = saved_errno; + } + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_delete_file(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of file to delete. */ +{ + struct stat statbuf; + + if (stat(name, &statbuf) >= 0) { + /* Do not let unlink() remove directories */ + if (ISDIR(statbuf)) { + errno = EPERM; + return check_error(-1, errInfo); + } + + if (unlink(name) == 0) { + return 1; + } + + if (errno == EISDIR) { + errno = EPERM; + return check_error(-1, errInfo); + } + } + else { + if (errno == EINVAL) { + errno = ENOENT; + return check_error(-1, errInfo); + } + } + return check_error(-1, errInfo); +} + +/* + *--------------------------------------------------------------------------- + * + * Changes the name of an existing file or directory, from src to dst. + * If src and dst refer to the same file or directory, does nothing + * and returns success. Otherwise if dst already exists, it will be + * deleted and replaced by src subject to the following conditions: + * If src is a directory, dst may be an empty directory. + * If src is a file, dst may be a file. + * In any other situation where dst already exists, the rename will + * fail. + * + * Results: + * If the directory was successfully created, returns 1. + * Otherwise the return value is 0 and errno is set to + * indicate the error. Some possible values for errno are: + * + * EACCES: src or dst parent directory can't be read and/or written. + * EEXIST: dst is a non-empty directory. + * EINVAL: src is a root directory or dst is a subdirectory of src. + * EISDIR: dst is a directory, but src is not. + * ENOENT: src doesn't exist, or src or dst is "". + * ENOTDIR: src is a directory, but dst is not. + * EXDEV: src and dst are on different filesystems. + * + * Side effects: + * The implementation of rename may allow cross-filesystem renames, + * but the caller should be prepared to emulate it with copy and + * delete if errno is EXDEV. + * + *--------------------------------------------------------------------------- + */ + +int +efile_rename(Efile_error* errInfo, /* Where to return error codes. */ + char* src, /* Original name. */ + char* dst) /* New name. */ +{ + + /* temporary fix AFM does not recognize ./<file name> + * in destination remove pending on adaption of AFM fix + */ + + char *dot_str; + if (dst != NULL) { + dot_str = strchr(dst, '.'); + if (dot_str && dot_str == dst && dot_str[1] == '/') { + dst = dst+2; + } + } + + if (rename(src, dst) == 0) { + return 1; + } + if (errno == ENOTEMPTY) { + errno = EEXIST; + } + if (errno == EINVAL) { + struct stat file_stat; + + if (stat(dst, &file_stat)== 0) { + if (ISDIR(file_stat)) { + errno = EISDIR; + } + else if (ISREG(file_stat)) { + errno = ENOTDIR; + } + else { + errno = EINVAL; + } + } + else { + errno = EINVAL; + } + } + + if (strcmp(src, "/") == 0) { + errno = EINVAL; + } + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_chdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to make current. */ +{ + return check_error(chdir(name), errInfo); +} + +/***************************************************************************/ + +int +efile_getdcwd(Efile_error* errInfo, /* Where to return error codes. */ + int drive, /* 0 - current, 1 - A, 2 - B etc. */ + char* buffer, /* Where to return the current + directory. */ + size_t size) /* Size of buffer. */ +{ + if (drive == 0) { + if (getcwd(buffer, size) == NULL) + return check_error(-1, errInfo); + + return 1; + } + + /* + * Drives other than 0 is not supported on Unix. + */ + + errno = ENOTSUP; + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_readdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name, /* Name of directory to open. */ + EFILE_DIR_HANDLE* p_dir_handle, /* Pointer to directory + handle of + open directory.*/ + char* buffer, /* Pointer to buffer for + one filename. */ + size_t *size) /* in-out Size of buffer, length + of name. */ +{ + DIR *dp; /* Pointer to directory structure. */ + struct dirent* dirp; /* Pointer to directory entry. */ + + /* + * If this is the first call, we must open the directory. + */ + + if (*p_dir_handle == NULL) { + dp = opendir(name); + if (dp == NULL) + return check_error(-1, errInfo); + *p_dir_handle = (EFILE_DIR_HANDLE) dp; + } + + /* + * Retrieve the name of the next file using the directory handle. + */ + + dp = *((DIR **)((void *)p_dir_handle)); + for (;;) { + dirp = readdir(dp); + if (dirp == NULL) { + closedir(dp); + return 0; + } + if (IS_DOT_OR_DOTDOT(dirp->d_name)) + continue; + buffer[0] = '\0'; + strncat(buffer, dirp->d_name, (*size)-1); + *size = strlen(dirp->d_name); + return 1; + } +} + +/***************************************************************************/ + +int +efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ + char* name, /* Name of directory to open. */ + int flags, /* Flags to user for opening. */ + int* pfd, /* Where to store the file + descriptor. */ + Sint64 *pSize) /* Where to store the size of the + file. */ +{ + struct stat statbuf; + int fd; + int mode; /* Open mode. */ + + if (stat(name, &statbuf) >= 0 && !ISREG(statbuf)) { + errno = EISDIR; + return check_error(-1, errInfo); + } + + switch (flags & (EFILE_MODE_READ|EFILE_MODE_WRITE)) { + case EFILE_MODE_READ: + mode = O_RDONLY; + break; + case EFILE_MODE_WRITE: + if (flags & EFILE_NO_TRUNCATE) + mode = O_WRONLY | O_CREAT; + else + mode = O_WRONLY | O_CREAT | O_TRUNC; + break; + case EFILE_MODE_READ_WRITE: + mode = O_RDWR | O_CREAT; + break; + default: + errno = EINVAL; + return check_error(-1, errInfo); + } + + + if (flags & EFILE_MODE_APPEND) { + mode &= ~O_TRUNC; + mode |= O_APPEND; + } + + if (flags & EFILE_MODE_EXCL) { + mode |= O_EXCL; + } + + fd = open(name, mode, FILE_MODE); + + if (!check_error(fd, errInfo)) + return 0; + + *pfd = fd; + if (pSize) { + *pSize = statbuf.st_size; + } + return 1; +} + +/***************************************************************************/ + +int +efile_may_openfile(Efile_error* errInfo, char *name) { + struct stat statbuf; /* Information about the file */ + int result; + + result = stat(name, &statbuf); + if (!check_error(result, errInfo)) + return 0; + if (!ISREG(statbuf)) { + errno = EISDIR; + return check_error(-1, errInfo); + } + return 1; +} + +/***************************************************************************/ + +void +efile_closefile(int fd) +{ + if (l_find_local_fd(fd) != NULL) { + l_remove_local_fd(fd); + } + close(fd); +} + +/***************************************************************************/ + +int +efile_fdatasync(Efile_error *errInfo, /* Where to return error codes. */ + int fd) /* File descriptor for file to sync data. */ +{ + return efile_fsync(errInfo, fd); +} + +/***************************************************************************/ + +int +efile_fsync(Efile_error *errInfo, /* Where to return error codes. */ + int fd) /* File descriptor for file to sync. */ +{ + return check_error(fsync(fd), errInfo); +} + +/***************************************************************************/ + +int +efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, + char* name, int info_for_link) +{ + struct stat statbuf; /* Information about the file */ + int result; + + result = stat(name, &statbuf); + if (!check_error(result, errInfo)) { + return 0; + } + +#if SIZEOF_OFF_T == 4 + pInfo->size_high = 0; +#else + pInfo->size_high = (Uint32)(statbuf.st_size >> 32); +#endif + pInfo->size_low = (Uint32)statbuf.st_size; + +#ifdef NO_ACCESS + /* Just look at read/write access for owner. */ + + pInfo->access = ((statbuf.st_mode >> 6) & 07) >> 1; + +#else + pInfo->access = FA_NONE; + if (access(name, R_OK) == 0) + pInfo->access |= FA_READ; + if (access(name, W_OK) == 0) + pInfo->access |= FA_WRITE; + +#endif + + if (ISDEV(statbuf)) + pInfo->type = FT_DEVICE; + else if (ISDIR(statbuf)) + pInfo->type = FT_DIRECTORY; + else if (ISREG(statbuf)) + pInfo->type = FT_REGULAR; + else if (ISLNK(statbuf)) + pInfo->type = FT_SYMLINK; + else + pInfo->type = FT_OTHER; + + pInfo->accessTime = statbuf.st_atime; + pInfo->modifyTime = statbuf.st_mtime; + pInfo->cTime = statbuf.st_ctime; + + pInfo->mode = statbuf.st_mode; + pInfo->links = statbuf.st_nlink; + pInfo->major_device = statbuf.st_dev; + pInfo->inode = statbuf.st_ino; + pInfo->uid = statbuf.st_uid; + pInfo->gid = statbuf.st_gid; + + return 1; +} + +/***************************************************************************/ + +int +efile_write_info(Efile_error *errInfo, Efile_info *pInfo, char *name) +{ + /* + * On some systems chown will always fail for a non-root user unless + * POSIX_CHOWN_RESTRICTED is not set. Others will succeed as long as + * you don't try to chown a file to someone besides youself. + */ + if (pInfo->mode != -1) { + mode_t newMode = pInfo->mode & (S_ISUID | S_ISGID | + S_IRWXU | S_IRWXG | S_IRWXO); + if (chmod(name, newMode)) { + newMode &= ~(S_ISUID | S_ISGID); + if (chmod(name, newMode)) { + return check_error(-1, errInfo); + } + } + } + + return 1; +} + +/***************************************************************************/ + +int +efile_write(Efile_error* errInfo, /* Where to return error codes. */ + int flags, /* Flags given when file was + opened. */ + int fd, /* File descriptor to write to. */ + char* buf, /* Buffer to write. */ + size_t count) /* Number of bytes to write. */ +{ + ssize_t written; /* Bytes written in last operation. */ + struct fd_data *fd_data; + + if ((fd_data = l_find_local_fd(fd)) != NULL) { + if (L_FD_IS_VALID(fd_data)) { + /* we are beyond eof and need to pad*/ + if (l_pad_file(fd_data, L_FD_CUR(fd_data)) < 0) { + return check_error(-1, errInfo); + } + } + } + + while (count > 0) { + if ((written = write(fd, buf, count)) < 0) { + if (errno != EINTR) { + return check_error(-1, errInfo); + } + else { + written = 0; + } + } + ASSERT(written <= count); + buf += written; + count -= written; + } + return 1; +} + +/***************************************************************************/ + +int +efile_writev(Efile_error* errInfo, /* Where to return error codes */ + int flags, /* Flags given when file was + * opened */ + int fd, /* File descriptor to write to */ + SysIOVec* iov, /* Vector of buffer structs. + * The structs may be changed i.e. + * due to incomplete writes */ + int iovcnt) /* Number of structs in vector */ +{ + struct fd_data *fd_data; + int cnt = 0; /* Buffers so far written */ + + ASSERT(iovcnt >= 0); + if ((fd_data = l_find_local_fd(fd)) != NULL) { + if (L_FD_IS_VALID(fd_data)) { + /* we are beyond eof and need to pad*/ + if (l_pad_file(fd_data, L_FD_CUR(fd_data)) < 0) { + return check_error(-1, errInfo); + } + } + } + while (cnt < iovcnt) { + if ((! iov[cnt].iov_base) || (iov[cnt].iov_len <= 0)) { + /* Empty buffer - skip */ + cnt++; + } + else { /* Non-empty buffer */ + ssize_t w; /* Bytes written in this call */ + do { + w = write(fd, iov[cnt].iov_base, iov[cnt].iov_len); + } while (w < 0 && errno == EINTR); + + ASSERT(w <= iov[cnt].iov_len || w == -1); + + if (w < 0) { + return check_error(-1, errInfo); + } + /* Move forward to next buffer to write */ + for (; cnt < iovcnt && w > 0; cnt++) { + if (iov[cnt].iov_base && iov[cnt].iov_len > 0) { + if (w < iov[cnt].iov_len) { + /* Adjust the buffer for next write */ + iov[cnt].iov_len -= w; + iov[cnt].iov_base += w; + w = 0; + break; + } + else { + w -= iov[cnt].iov_len; + } + } + } + ASSERT(w == 0); + } /* else Non-empty buffer */ + } /* while (cnt< iovcnt) */ + return 1; +} + +/***************************************************************************/ + +int +efile_read(Efile_error* errInfo, /* Where to return error codes. */ + int flags, /* Flags given when file was opened. */ + int fd, /* File descriptor to read from. */ + char* buf, /* Buffer to read into. */ + size_t count, /* Number of bytes to read. */ + size_t *pBytesRead) /* Where to return number of + bytes read. */ +{ + ssize_t n; + struct fd_data *fd_data; + + if ((fd_data = l_find_local_fd(fd)) != NULL) { + if (L_FD_IS_VALID(fd_data)) { + *pBytesRead = 0; + return 1; + } + } + for (;;) { + if ((n = read(fd, buf, count)) >= 0) { + break; + } + else if (errno != EINTR) { + return check_error(-1, errInfo); + } + } + if (fd_data != NULL && L_FD_IS_VALID(fd_data)) { + L_FD_INVALIDATE(fd_data); + } + *pBytesRead = (size_t) n; + return 1; +} + +/* pread() and pwrite() */ +/* Some unix systems, notably Solaris has these syscalls */ +/* It is especially nice for i.e. the dets module to have support */ +/* for this, even if the underlying OS dosn't support it, it is */ +/* reasonably easy to work around by first calling seek, and then */ +/* calling read(). */ +/* This later strategy however changes the file pointer, which pread() */ +/* does not do. We choose to ignore this and say that the location */ +/* of the file pointer is undefined after a call to any of the p functions*/ + + +int +efile_pread(Efile_error* errInfo, /* Where to return error codes. */ + int fd, /* File descriptor to read from. */ + Sint64 offset, /* Offset in bytes from BOF. */ + char* buf, /* Buffer to read into. */ + size_t count, /* Number of bytes to read. */ + size_t *pBytesRead) /* Where to return + number of bytes read. */ +{ + int res = efile_seek(errInfo, fd, offset, EFILE_SEEK_SET, NULL); + if (res) { + return efile_read(errInfo, 0, fd, buf, count, pBytesRead); + } else { + return res; + } +} + + +/***************************************************************************/ + +int +efile_pwrite(Efile_error* errInfo, /* Where to return error codes. */ + int fd, /* File descriptor to write to. */ + char* buf, /* Buffer to write. */ + size_t count, /* Number of bytes to write. */ + Sint64 offset) /* where to write it */ +{ + int res = efile_seek(errInfo, fd, offset, EFILE_SEEK_SET, NULL); + + if (res) { + return efile_write(errInfo, 0, fd, buf, count); + } else { + return res; + } +} + +/***************************************************************************/ + +int +efile_seek(Efile_error* errInfo, /* Where to return error codes. */ + int fd, /* File descriptor to do the seek on. */ + Sint64 offset, /* Offset in bytes from the given + origin. */ + int origin, /* Origin of seek (SEEK_SET, SEEK_CUR, + SEEK_END). */ + Sint64 *new_location) /* Resulting new location in file. */ +{ + off_t off, result; + off = (off_t) offset; + + switch (origin) { + case EFILE_SEEK_SET: + origin = SEEK_SET; + break; + case EFILE_SEEK_CUR: + origin = SEEK_CUR; + break; + case EFILE_SEEK_END: + origin = SEEK_END; + break; + default: + errno = EINVAL; + return check_error(-1, errInfo); + } + + if (off != offset) { + errno = EINVAL; + return check_error(-1, errInfo); + } + + errno = 0; + result = lseek(fd, off, origin); + + if (result >= 0) { + l_invalidate_local_fd(fd); + } + + if (result < 0) + { + if (errno == ENOSYS) { + int size, cur_pos; + + if (off < 0) { + errno = EINVAL; + return check_error(-1, errInfo); + } + + cur_pos = lseek(fd, 0, SEEK_CUR); + size = lseek(fd, 0, SEEK_END); + + if (origin == SEEK_SET) { + result = offset; + } + else if (origin == SEEK_CUR) { + result = offset + cur_pos; + } + else if (origin == SEEK_END) { + result = size + offset; + } + + /* sanity check our result */ + if (size > result) { + return check_error(-1, errInfo); + } + + /* store the data localy */ + l_update_local_fd(fd, result, size); + + /* reset the original file position */ + if (origin != SEEK_END) { + lseek(fd, cur_pos, SEEK_SET); + } + } + else if (errno == 0) { + errno = EINVAL; + } + } + + if (new_location) { + *new_location = result; + } + + return 1; +} + +/***************************************************************************/ + +int +efile_truncate_file(Efile_error* errInfo, int *fd, int flags) +{ + off_t offset; + struct fd_data *fd_data; + + if ((fd_data = l_find_local_fd(*fd)) != NULL && L_FD_IS_VALID(fd_data)) { + offset = L_FD_CUR(fd_data); + } + else { + offset = lseek(*fd, 0, SEEK_CUR); + } + + return check_error(((offset >= 0) && + (ftruncate(*fd, offset) == 0)) ? 1 : -1, errInfo); +} + +/***************************************************************************/ + +int +efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size) +{ + errno = ENOTSUP; + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_altname(Efile_error* errInfo, char* name, char* buffer, size_t size) +{ + errno = ENOTSUP; + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_link(Efile_error* errInfo, char* old, char* new) +{ + errno = ENOTSUP; + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_symlink(Efile_error* errInfo, char* old, char* new) +{ + errno = ENOTSUP; + return check_error(-1, errInfo); +} + +/***************************************************************************/ + +int +efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, + Sint64 length, int advise) +{ + return check_error(posix_fadvise(fd, offset, length, advise), errInfo); +} + +/***************************************************************************/ + +static int +call_posix_fallocate(int fd, Sint64 offset, Sint64 length) +{ + int ret; + + /* + * On Linux and Solaris for example, posix_fallocate() returns + * a positive error number on error and it does not set errno. + * On FreeBSD however (9.0 at least), it returns -1 on error + * and it sets errno. + */ + do { + ret = posix_fallocate(fd, (off_t) offset, (off_t) length); + if (ret > 0) { + errno = ret; + ret = -1; + } + } while (ret != 0 && errno == EINTR); + + return ret; +} + +/***************************************************************************/ + +int +efile_fallocate(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length) +{ + return check_error(call_posix_fallocate(fd, offset, length), errInfo); +} diff --git a/erts/emulator/drivers/ose/ose_signal_drv.c b/erts/emulator/drivers/ose/ose_signal_drv.c new file mode 100644 index 0000000000..4929b53856 --- /dev/null +++ b/erts/emulator/drivers/ose/ose_signal_drv.c @@ -0,0 +1,896 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "errno.h" +#include "stdio.h" +#include "string.h" +#include "stddef.h" + +#include "sys.h" +#include "erl_driver.h" +#include "ose.h" + + +#ifdef HAVE_OSE_SPI_H +#include "ose_spi/ose_spi.h" +#endif + +#define DEBUG_ATTACH 0 +#define DEBUG_HUNT 0 +#define DEBUG_SEND 0 +#define DEBUG_LISTEN 0 + +#if 0 +#define DEBUGP(FMT,...) printf(FMT, __VA_ARGS__) +#else +#define DEBUGP(FMT,...) +#endif + +#if DEBUG_ATTACH +#define DEBUGP_ATTACH(...) DEBUGP( __VA_ARGS__) +#else +#define DEBUGP_ATTACH(...) +#endif + +#if DEBUG_HUNT +#define DEBUGP_HUNT(...) DEBUGP( __VA_ARGS__) +#else +#define DEBUGP_HUNT(...) +#endif + +#if DEBUG_LISTEN +#define DEBUGP_LISTEN(...) DEBUGP( __VA_ARGS__) +#else +#define DEBUGP_LISTEN(...) +#endif + +#if DEBUG_SEND +#define DEBUGP_SEND(...) DEBUGP( __VA_ARGS__) +#else +#define DEBUGP_SEND(...) +#endif + + +#define DRIVER_NAME "ose_signal_drv" +#define GET_SPID 1 +#define GET_NAME 2 +#define HUNT 100 +#define DEHUNT 101 +#define ATTACH 102 +#define DETACH 103 +#define SEND 104 +#define SEND_W_S 105 +#define LISTEN 106 +#define OPEN 200 + +#define REF_SEGMENT_SIZE 8 + +struct async { + SIGSELECT signo; + ErlDrvTermData port; + ErlDrvTermData proc; + PROCESS spid; + PROCESS target; + Uint32 ref; +}; + +/** + * OSE signals + **/ +union SIGNAL { + SIGSELECT signo; + struct async async; +}; + +/** + * The driver's context + **/ +typedef struct _driver_context { + ErlDrvPort port; + PROCESS spid; + ErlDrvEvent perm_events[2]; + ErlDrvEvent *events; + Uint32 event_cnt; + Uint32 ref; + Uint32 *outstanding_refs; + Uint32 outstanding_refs_max; + Uint32 outstanding_refs_cnt; +} driver_context_t; + +/** + * Global variables + **/ +static ErlDrvTermData a_ok; +static ErlDrvTermData a_error; +static ErlDrvTermData a_enomem; +static ErlDrvTermData a_enoent; +static ErlDrvTermData a_badarg; +static ErlDrvTermData a_mailbox_up; +static ErlDrvTermData a_mailbox_down; +static ErlDrvTermData a_ose_drv_reply; +static ErlDrvTermData a_message; +static PROCESS proxy_proc; + + +/** + * Serialize/unserialize unsigned 32-bit values + **/ +static char *put_u32(unsigned int value, char *ptr) { + *ptr++ = (value & 0xff000000) >> 24; + *ptr++ = (value & 0x00ff0000) >> 16; + *ptr++ = (value & 0x0000ff00) >> 8; + *ptr++ = (value & 0xff); + + return ptr; +} + +static unsigned int get_u32(char *ptr) { + unsigned int result = 0; + result += (ptr[0] & 0xff) << 24; + result += (ptr[1] & 0xff) << 16; + result += (ptr[2] & 0xff) << 8; + result += (ptr[3] & 0xff); + + return result; +} + + +/* Stolen from efile_drv.c */ + +/* char EV_CHAR_P(ErlIOVec *ev, int p, int q) */ +#define EV_CHAR_P(ev, p, q) \ + (((char *)(ev)->iov[(q)].iov_base) + (p)) + +/* int EV_GET_CHAR(ErlIOVec *ev, char *p, int *pp, int *qp) */ +#define EV_GET_CHAR(ev, p, pp, qp) ev_get_char(ev, p ,pp, qp) +static int +ev_get_char(ErlIOVec *ev, char *p, int *pp, int *qp) { + if (*(pp)+1 <= (ev)->iov[*(qp)].iov_len) { + *(p) = *EV_CHAR_P(ev, *(pp), *(qp)); + if (*(pp)+1 < (ev)->iov[*(qp)].iov_len) + *(pp) = *(pp)+1; + else { + (*(qp))++; + *pp = 0; + } + return !0; + } + return 0; +} + +/* Uint32 EV_UINT32(ErlIOVec *ev, int p, int q)*/ +#define EV_UINT32(ev, p, q) \ + ((Uint32) *(((unsigned char *)(ev)->iov[(q)].iov_base) + (p))) + +/* int EV_GET_UINT32(ErlIOVec *ev, Uint32 *p, int *pp, int *qp) */ +#define EV_GET_UINT32(ev, p, pp, qp) ev_get_uint32(ev,(Uint32*)(p),pp,qp) +static int +ev_get_uint32(ErlIOVec *ev, Uint32 *p, int *pp, int *qp) { + if (*(pp)+4 <= (ev)->iov[*(qp)].iov_len) { + *(p) = (EV_UINT32(ev, *(pp), *(qp)) << 24) + | (EV_UINT32(ev, *(pp)+1, *(qp)) << 16) + | (EV_UINT32(ev, *(pp)+2, *(qp)) << 8) + | (EV_UINT32(ev, *(pp)+3, *(qp))); + if (*(pp)+4 < (ev)->iov[*(qp)].iov_len) + *(pp) = *(pp)+4; + else { + (*(qp))++; + *pp = 0; + } + return !0; + } + return 0; +} + +/** + * Convinience macros + **/ +#define send_response(port,output) erl_drv_send_term(driver_mk_port(port),\ + driver_caller(port), output, sizeof(output) / sizeof(output[0])); + +void iov_memcpy(void *dest,ErlIOVec *ev,int ind,int off); +void iov_memcpy(void *dest,ErlIOVec *ev,int ind,int off) { + int i; + memcpy(dest,ev->iov[ind].iov_base+off,ev->iov[ind].iov_len-off); + for (i = ind+1; i < ev->vsize; i++) + memcpy(dest,ev->iov[i].iov_base,ev->iov[i].iov_len); +} + +/** + * Reference handling + **/ + +static int add_reference(driver_context_t *ctxt, Uint32 ref) { + + /* + * Premature optimizations may be evil, but they sure are fun. + */ + + if (ctxt->outstanding_refs == NULL) { + /* First ref to be ignored */ + ctxt->outstanding_refs = driver_alloc(REF_SEGMENT_SIZE*sizeof(Uint32)); + if (!ctxt->outstanding_refs) + return 1; + + memset(ctxt->outstanding_refs,0,REF_SEGMENT_SIZE*sizeof(Uint32)); + ctxt->outstanding_refs_max += REF_SEGMENT_SIZE; + ctxt->outstanding_refs[ctxt->outstanding_refs_cnt++] = ref; + } else if (ctxt->outstanding_refs_cnt == ctxt->outstanding_refs_max) { + /* Expand ref array */ + Uint32 *new_array; + ctxt->outstanding_refs_max += REF_SEGMENT_SIZE; + new_array = driver_realloc(ctxt->outstanding_refs, + ctxt->outstanding_refs_max*sizeof(Uint32)); + + if (!new_array) { + ctxt->outstanding_refs_max -= REF_SEGMENT_SIZE; + return 1; + } + + ctxt->outstanding_refs = new_array; + + memset(ctxt->outstanding_refs+ctxt->outstanding_refs_cnt,0, + REF_SEGMENT_SIZE*sizeof(Uint32)); + ctxt->outstanding_refs[ctxt->outstanding_refs_cnt++] = ref; + + } else { + /* Find an empty slot: + * First we try current index, + * then we scan for a slot. + */ + if (!ctxt->outstanding_refs[ctxt->outstanding_refs_cnt]) { + ctxt->outstanding_refs[ctxt->outstanding_refs_cnt++] = ref; + } else { + int i; + ASSERT(ctxt->outstanding_refs_cnt < ctxt->outstanding_refs_max); + for (i = 0; i < ctxt->outstanding_refs_max; i++) + if (!ctxt->outstanding_refs[i]) + break; + ASSERT(ctxt->outstanding_refs[i] == 0); + ctxt->outstanding_refs[i] = ref; + ctxt->outstanding_refs_cnt++; + } + } + return 0; +} + +/* Return 0 if removed, 1 if does not exist, */ +static int remove_reference(driver_context_t *ctxt, Uint32 ref) { + int i,j; + + if (ctxt->outstanding_refs_max == 0 && ctxt->outstanding_refs_cnt == 0) { + ASSERT(ctxt->outstanding_refs == NULL); + return 1; + } + + for (i = 0; i < ctxt->outstanding_refs_max; i++) { + if (ctxt->outstanding_refs[i] == ref) { + ctxt->outstanding_refs[i] = 0; + ctxt->outstanding_refs_cnt--; + i = -1; + break; + } + } + + if (i != -1) + return 1; + + if (ctxt->outstanding_refs_cnt == 0) { + driver_free(ctxt->outstanding_refs); + ctxt->outstanding_refs = NULL; + ctxt->outstanding_refs_max = 0; + } else if (ctxt->outstanding_refs_cnt == (ctxt->outstanding_refs_max - REF_SEGMENT_SIZE)) { + Uint32 *new_array; + for (i = 0, j = 0; i < ctxt->outstanding_refs_cnt; i++) { + if (ctxt->outstanding_refs[i] == 0) { + for (j = i+1; j < ctxt->outstanding_refs_max; j++) + if (ctxt->outstanding_refs[j]) { + ctxt->outstanding_refs[i] = ctxt->outstanding_refs[j]; + ctxt->outstanding_refs[j] = 0; + break; + } + } + } + ctxt->outstanding_refs_max -= REF_SEGMENT_SIZE; + new_array = driver_realloc(ctxt->outstanding_refs, + ctxt->outstanding_refs_max*sizeof(Uint32)); + if (!new_array) { + ctxt->outstanding_refs_max += REF_SEGMENT_SIZE; + return 2; + } + + ctxt->outstanding_refs = new_array; + + } + + return 0; +} + +/** + * The OSE proxy process. This only handles ERTS_SIGNAL_OSE_DRV_ATTACH. + * The process is needed because signals triggered by attach ignore + * redir tables. + * + * We have one global proxy process to save memory. An attempt to make each + * port phantom into a proxy was made, but that used way to much memory. + */ +static OS_PROCESS(driver_proxy_process) { + SIGSELECT sigs[] = {1,ERTS_SIGNAL_OSE_DRV_ATTACH}; + PROCESS master = 0; + + while (1) { + union SIGNAL *sig = receive(sigs); + + if (sig->signo == ERTS_SIGNAL_OSE_DRV_ATTACH) { + + /* The first message is used to determine who to send messages to. */ + if (master == 0) + master = sender(&sig); + + if (sig->async.target == 0) { + PROCESS from = sender(&sig); + restore(sig); + DEBUGP_ATTACH("0x%x: got attach 0x%x, sending to 0x%x\n", + current_process(),from,master); + sig->async.target = from; + send(&sig,master); + } else { + PROCESS target = sig->async.target; + restore(sig); + sig->async.target = 0; + DEBUGP_ATTACH("0x%x: doing attach on 0x%x\n",current_process(),target); + attach(&sig,target); + } + } + } +} + + +/** + * Init routine for the driver + **/ +static int drv_init(void) { + + a_ok = driver_mk_atom("ok"); + a_error = driver_mk_atom("error"); + a_enomem = driver_mk_atom("enomem"); + a_enoent = driver_mk_atom("enoent"); + a_badarg = driver_mk_atom("badarg"); + a_mailbox_up = driver_mk_atom("mailbox_up"); + a_mailbox_down = driver_mk_atom("mailbox_down"); + a_ose_drv_reply = driver_mk_atom("ose_drv_reply"); + a_message = driver_mk_atom("message"); + + proxy_proc = create_process(get_ptype(current_process()), + "ose_signal_driver_proxy", + driver_proxy_process, 10000, + get_pri(current_process()), + 0, 0, NULL, 0, 0); + +#ifdef DEBUG + efs_clone(proxy_proc); +#endif + start(proxy_proc); + + return 0; +} + +/* Signal resolution callback */ +static ErlDrvOseEventId resolve_signal(union SIGNAL* osig) { + union SIGNAL *sig = osig; + if (sig->signo == ERTS_SIGNAL_OSE_DRV_HUNT || + sig->signo == ERTS_SIGNAL_OSE_DRV_ATTACH) { + return sig->async.spid; + } + DEBUGP("%p: Got signal %d sent to %p from 0x%p\n", + current_process(),sig->signo,addressee(&sig),sender(&sig)); + return addressee(&sig); +} + + +/** + * Start routine for the driver + **/ +static ErlDrvData drv_start(ErlDrvPort port, char *command) +{ + driver_context_t *ctxt = driver_alloc(sizeof(driver_context_t)); + + ctxt->perm_events[0] = NULL; + ctxt->perm_events[1] = NULL; + + ctxt->spid = 0; + ctxt->port = port; + ctxt->event_cnt = 0; + ctxt->events = NULL; + ctxt->ref = 0; + ctxt->outstanding_refs = NULL; + ctxt->outstanding_refs_max = 0; + ctxt->outstanding_refs_cnt = 0; + + + /* Set the communication protocol to Erlang to be binary */ + set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY); + + /* Everything ok */ + return (ErlDrvData)ctxt; +} + +/** + * Stop routine for the driver + **/ +static void drv_stop(ErlDrvData driver_data) +{ + driver_context_t *ctxt = (driver_context_t *)driver_data; + int i; + + /* HUNT + ATTACH */ + if (ctxt->perm_events[0]) + driver_select(ctxt->port, ctxt->perm_events[0], + ERL_DRV_USE|ERL_DRV_READ, 0); + if (ctxt->perm_events[1]) + driver_select(ctxt->port, ctxt->perm_events[1], + ERL_DRV_USE|ERL_DRV_READ, 0); + + for (i = 0; i < ctxt->event_cnt; i++) { + driver_select(ctxt->port, ctxt->events[i], ERL_DRV_USE|ERL_DRV_READ, 0); + } + + if (ctxt->spid != 0) + kill_proc(ctxt->spid); + DEBUGP("0x%x: stopped\n",ctxt->spid); + if (ctxt->events) + driver_free(ctxt->events); + if (ctxt->outstanding_refs) + driver_free(ctxt->outstanding_refs); + + driver_free(ctxt); +} + +/** + * Output from Erlang + **/ +static void outputv(ErlDrvData driver_data, ErlIOVec *ev) +{ + driver_context_t *ctxt = (driver_context_t *)driver_data; + int p = 0, q = 1; + char cmd; + + if (! EV_GET_CHAR(ev,&cmd,&p,&q)) { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_badarg, + ERL_DRV_TUPLE, 3}; + send_response(ctxt->port, output); + return; + } + + /* Command is in the buffer's first byte */ + switch(cmd) { + + case OPEN: { + char *name = driver_alloc(ev->size - 1+1); + struct OS_redir_entry redir[2]; + + redir[0].sig = 1; + redir[0].pid = current_process(); + + iov_memcpy(name,ev,q,p); + name[ev->size-1] = '\0'; + + ctxt->spid = create_process(OS_PHANTOM, name, NULL, 0, + 0, 0, 0, redir, 0, 0); + + DEBUGP("0x%x: open\n",ctxt->spid); + + ctxt->perm_events[1] = + erl_drv_ose_event_alloc(ERTS_SIGNAL_OSE_DRV_ATTACH,(int)ctxt->spid, + resolve_signal, NULL); + driver_select(ctxt->port,ctxt->perm_events[1],ERL_DRV_READ|ERL_DRV_USE,1); + + ctxt->perm_events[0] = + erl_drv_ose_event_alloc(ERTS_SIGNAL_OSE_DRV_HUNT,(int)ctxt->spid, + resolve_signal, NULL); + driver_select(ctxt->port,ctxt->perm_events[0],ERL_DRV_READ|ERL_DRV_USE,1); + + start(ctxt->spid); + + { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_ok, + ERL_DRV_TUPLE, 3}; + + send_response(ctxt->port, output); + } + + break; + + } + + case ATTACH: + case HUNT: + { + union SIGNAL *sig = alloc(sizeof(union SIGNAL), + cmd == HUNT ? ERTS_SIGNAL_OSE_DRV_HUNT:ERTS_SIGNAL_OSE_DRV_ATTACH); + + sig->async.port = driver_mk_port(ctxt->port); + sig->async.proc = driver_caller(ctxt->port); + sig->async.spid = ctxt->spid; + sig->async.ref = ++ctxt->ref; + + if (add_reference(ctxt,ctxt->ref)) { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_enomem, + ERL_DRV_TUPLE, 3}; + send_response(ctxt->port, output); + free_buf(&sig); + } else { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_INT, (ErlDrvUInt)ctxt->ref, + ERL_DRV_TUPLE, 2, + ERL_DRV_TUPLE, 3}; + send_response(ctxt->port, output); + + if (cmd == HUNT) { + char *huntname = driver_alloc(sizeof(char)*((ev->size-1)+1)); + + iov_memcpy(huntname,ev,q,p); + huntname[ev->size-1] = '\0'; + + DEBUGP_HUNT("0x%x: hunt %s -> %u (%u,%u)\n", + ctxt->spid,huntname,ctxt->ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + + hunt(huntname, 0, NULL, &sig); + + driver_free(huntname); + } else { + EV_GET_UINT32(ev,&sig->async.target,&p,&q); + DEBUGP_ATTACH("0x%x: attach %u -> %u (%u,%u)\n", + ctxt->spid,sig->async.target, + ctxt->ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + + send(&sig,proxy_proc); + } + + } + + break; + } + + case DETACH: + case DEHUNT: + { + + Uint32 ref; + + EV_GET_UINT32(ev,&ref,&p,&q); + if (cmd == DETACH) { + DEBUGP_ATTACH("0x%x: detach %u (%u,%u)\n",ctxt->spid,ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + } else { + DEBUGP_HUNT("0x%x: dehunt %u (%u,%u)\n",ctxt->spid,ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + } + + if (remove_reference(ctxt,ref)) { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_error, + ERL_DRV_ATOM, a_enoent, + ERL_DRV_TUPLE, 2, + ERL_DRV_TUPLE, 3}; + + send_response(ctxt->port, output); + } else { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_ok, + ERL_DRV_TUPLE, 3}; + + send_response(ctxt->port, output); + } + + break; + } + + case SEND: + case SEND_W_S: + { + PROCESS spid; + PROCESS sender; + SIGSELECT signo; + OSBUFSIZE size = ev->size-9; + union SIGNAL *sig; + + EV_GET_UINT32(ev,&spid,&p,&q); + + if (cmd == SEND_W_S) { + EV_GET_UINT32(ev,&sender,&p,&q); + size -= 4; + } else { + sender = ctxt->spid; + } + + EV_GET_UINT32(ev,&signo,&p,&q); + + sig = alloc(size + sizeof(SIGSELECT),signo); + + if (cmd == SEND_W_S) { + DEBUGP_SEND("0x%x: send_w_s(%u,%u,%u)\n",ctxt->spid,spid,signo,sender); + } else { + DEBUGP_SEND("0x%x: send(%u,%u)\n",ctxt->spid,spid,signo); + } + + iov_memcpy(((char *)&sig->signo) + sizeof(SIGSELECT),ev,q,p); + + send_w_s(&sig, sender, spid); + + break; + } + + case LISTEN: + { + int i,j,event_cnt = (ev->size - 1)/4; + ErlDrvEvent *events = NULL; + SIGSELECT signo,tmp_signo; + + if (event_cnt == 0) { + for (i = 0; i < ctxt->event_cnt; i++) + driver_select(ctxt->port,ctxt->events[i],ERL_DRV_READ|ERL_DRV_USE,0); + if (ctxt->events) + driver_free(ctxt->events); + } else { + events = driver_alloc(sizeof(ErlDrvEvent)*event_cnt); + EV_GET_UINT32(ev,&signo,&p,&q); + for (i = 0, j = 0; i < event_cnt || j < ctxt->event_cnt; ) { + + if (ctxt->events) + erl_drv_ose_event_fetch(ctxt->events[j],&tmp_signo,NULL,NULL); + + if (signo == tmp_signo) { + events[i++] = ctxt->events[j++]; + EV_GET_UINT32(ev,&signo,&p,&q); + } else if (signo < tmp_signo || !ctxt->events) { + /* New signal to select on */ + events[i] = erl_drv_ose_event_alloc(signo,(int)ctxt->spid, + resolve_signal, NULL); + driver_select(ctxt->port,events[i++],ERL_DRV_READ|ERL_DRV_USE,1); + EV_GET_UINT32(ev,&signo,&p,&q); + } else { + /* Remove old signal to select on */ + driver_select(ctxt->port,ctxt->events[j++],ERL_DRV_READ|ERL_DRV_USE,0); + } + } + if (ctxt->events) + driver_free(ctxt->events); + } + ctxt->events = events; + ctxt->event_cnt = event_cnt; + + { + ErlDrvTermData output[] = { + ERL_DRV_ATOM, a_ose_drv_reply, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_ATOM, a_ok, + ERL_DRV_TUPLE, 3}; + send_response(ctxt->port, output); + } + break; + } + + default: + { + DEBUGP("Warning: 'ose_signal_drv' unknown command '%d'\n", cmd); + break; + } + } +} + +/** + * Handler for when OSE signal arrives + **/ +static void ready_input(ErlDrvData driver_data, ErlDrvEvent event) +{ + driver_context_t *ctxt = (driver_context_t *)driver_data; + union SIGNAL *sig = erl_drv_ose_get_signal(event); + + while (sig != NULL) { + + switch(sig->signo) + { + /* Remote process is available */ + case ERTS_SIGNAL_OSE_DRV_HUNT: + { + const PROCESS spid = sender(&sig); + + if (remove_reference(ctxt,sig->async.ref)) { + DEBUGP_HUNT("0x%x: Got hunt from 0x%x -> %u (CANCELLED) (%u,%u)\n", + ctxt->spid,spid,sig->async.ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + /* Already removed by dehunt */ + } else { + ErlDrvTermData reply[] = { + ERL_DRV_ATOM, a_mailbox_up, + ERL_DRV_PORT, sig->async.port, + ERL_DRV_PORT, sig->async.port, + ERL_DRV_UINT, (ErlDrvUInt)sig->async.ref, + ERL_DRV_TUPLE, 2, + ERL_DRV_UINT, (ErlDrvUInt)spid, + ERL_DRV_TUPLE, 4}; + DEBUGP_HUNT("0x%x: Got hunt from 0x%x -> %u (%u,%u)\n", + ctxt->spid,spid,sig->async.ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + erl_drv_send_term(sig->async.port, sig->async.proc, reply, + sizeof(reply) / sizeof(reply[0])); + } + break; + } + + /* Remote process is down */ + case ERTS_SIGNAL_OSE_DRV_ATTACH: + { + PROCESS spid = sig->async.target; + + if (remove_reference(ctxt,sig->async.ref)) { + DEBUGP_ATTACH("0x%x: Got attach from 0x%x -> %u (CANCELLED) (%u,%u)\n", + ctxt->spid,spid,sig->async.ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + /* Already removed by detach */ + } else { + ErlDrvTermData reply[] = { + ERL_DRV_ATOM, a_mailbox_down, + ERL_DRV_PORT, sig->async.port, + ERL_DRV_PORT, sig->async.port, + ERL_DRV_UINT, sig->async.ref, + ERL_DRV_TUPLE, 2, + ERL_DRV_UINT, (ErlDrvUInt)spid, + ERL_DRV_TUPLE, 4}; + DEBUGP_ATTACH("0x%x: Got attach from 0x%x -> %u (%u,%u)\n", + ctxt->spid,spid,sig->async.ref, + ctxt->outstanding_refs_cnt, + ctxt->outstanding_refs_max); + erl_drv_send_term(sig->async.port, sig->async.proc, reply, + sizeof(reply) / sizeof(reply[0])); + } + break; + } + + /* Received user defined signal */ + default: + { + const PROCESS spid = sender(&sig); + const OSBUFSIZE size = sigsize(&sig) - sizeof(SIGSELECT); + const char *sig_data = ((char *)&sig->signo) + sizeof(SIGSELECT); + + ErlDrvTermData reply[] = { + ERL_DRV_ATOM, a_message, + ERL_DRV_PORT, driver_mk_port(ctxt->port), + ERL_DRV_UINT, (ErlDrvUInt)spid, + ERL_DRV_UINT, (ErlDrvUInt)ctxt->spid, + ERL_DRV_UINT, (ErlDrvUInt)sig->signo, + ERL_DRV_BUF2BINARY, (ErlDrvTermData)sig_data, (ErlDrvUInt)size, + ERL_DRV_TUPLE, 4, + ERL_DRV_TUPLE, 3}; + + DEBUGP_SEND("0x%x: Got 0x%u\r\n", spid, sig->signo); + + erl_drv_output_term(driver_mk_port(ctxt->port), reply, + sizeof(reply) / sizeof(reply[0])); + break; + } + } + + free_buf(&sig); + sig = erl_drv_ose_get_signal(event); + } +} + +/** + * Handler for 'port_control' + **/ +static ErlDrvSSizeT control(ErlDrvData driver_data, unsigned int cmd, + char *buf, ErlDrvSizeT len, + char **rbuf, ErlDrvSizeT rlen) +{ + driver_context_t *ctxt = (driver_context_t *)driver_data; + + switch(cmd) + { + case GET_SPID: + { + const PROCESS spid = ctxt->spid; + put_u32(spid, *rbuf); + return sizeof(PROCESS); + } + +#ifdef HAVE_OSE_SPI_H + case GET_NAME: + { + const PROCESS spid = get_u32(buf); + char *name = (char*)get_pid_info(spid,OSE_PI_NAME); + int n; + if (!name) { + *rbuf = NULL; + return 0; + } + + if (rlen < (n = strlen(name))) { + ErlDrvBinary *bin = driver_alloc_binary(n); + strncpy(bin->orig_bytes,name,n); + *rbuf = (char*)bin; + } else + strncpy(*rbuf,name,n); + free_buf((union SIGNAL**)&name); + + return n; + } +#endif + default: + { + /* Unknown command */ + return (ErlDrvSSizeT)ERL_DRV_ERROR_GENERAL; + break; + } + } +} + +static void stop_select(ErlDrvEvent event, void *reserved) +{ + erl_drv_ose_event_free(event); +} + +/** + * Setup the driver entry for the Erlang runtime + **/ +ErlDrvEntry ose_signal_driver_entry = { + .init = drv_init, + .start = drv_start, + .stop = drv_stop, + .outputv = outputv, + .ready_input = ready_input, + .driver_name = DRIVER_NAME, + .control = control, + .extended_marker = ERL_DRV_EXTENDED_MARKER, + .major_version = ERL_DRV_EXTENDED_MAJOR_VERSION, + .minor_version = ERL_DRV_EXTENDED_MINOR_VERSION, + .driver_flags = ERL_DRV_FLAG_USE_PORT_LOCKING, + .stop_select = stop_select +}; + diff --git a/erts/emulator/drivers/ose/ttsl_drv.c b/erts/emulator/drivers/ose/ttsl_drv.c new file mode 100644 index 0000000000..8af2ce6af3 --- /dev/null +++ b/erts/emulator/drivers/ose/ttsl_drv.c @@ -0,0 +1,68 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Stub tty driver because group/user depend on this. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "erl_driver.h" + +static int ttysl_init(void); +static ErlDrvData ttysl_start(ErlDrvPort, char*); + +/* Define the driver table entry. */ +struct erl_drv_entry ttsl_driver_entry = { + ttysl_init, + ttysl_start, + NULL, + NULL, + NULL, + NULL, + "tty_sl", + NULL, + NULL, + NULL, + NULL, /* timeout */ + NULL, /* outputv */ + NULL, /* ready_async */ + NULL, /* flush */ + NULL, /* call */ + NULL, /* event */ + ERL_DRV_EXTENDED_MARKER, + ERL_DRV_EXTENDED_MAJOR_VERSION, + ERL_DRV_EXTENDED_MINOR_VERSION, + 0, /* ERL_DRV_FLAGs */ + NULL, + NULL, /* process_exit */ + NULL +}; + + +static int ttysl_init(void) +{ + return 0; +} + +static ErlDrvData ttysl_start(ErlDrvPort port, char* buf) +{ + return ERL_DRV_ERROR_GENERAL; +} diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c index 8ffc05da99..42f41c5f3d 100644 --- a/erts/emulator/drivers/unix/unix_efile.c +++ b/erts/emulator/drivers/unix/unix_efile.c @@ -102,6 +102,11 @@ check_error(int result, Efile_error *errInfo) } int +efile_init() { + return 1; +} + +int efile_mkdir(Efile_error* errInfo, /* Where to return error codes. */ char* name) /* Name of directory to create. */ { @@ -629,7 +634,8 @@ efile_writev(Efile_error* errInfo, /* Where to return error codes */ do { w = write(fd, iov[cnt].iov_base, iov[cnt].iov_len); } while (w < 0 && errno == EINTR); - ASSERT(w <= iov[cnt].iov_len); + ASSERT(w <= iov[cnt].iov_len || + (w == -1 && errno != EINTR)); } if (w < 0) return check_error(-1, errInfo); /* Move forward to next buffer to write */ diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c index d693d7d593..480ba23239 100644 --- a/erts/emulator/drivers/win32/win_efile.c +++ b/erts/emulator/drivers/win32/win_efile.c @@ -196,6 +196,11 @@ set_error(Efile_error* errInfo) return 0; } +int +efile_init() { + return 1; +} + /* * A writev with Unix semantics, but with Windows arguments */ diff --git a/erts/emulator/hipe/hipe_bif2.c b/erts/emulator/hipe/hipe_bif2.c index c3687681cf..7637049bc3 100644 --- a/erts/emulator/hipe/hipe_bif2.c +++ b/erts/emulator/hipe/hipe_bif2.c @@ -157,7 +157,8 @@ BIF_RETTYPE hipe_bifs_modeswitch_debug_off_0(BIF_ALIST_0) BIF_RETTYPE hipe_debug_bif_wrapper(BIF_ALIST_1); # define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN) + if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN,\ + __FILE__, __LINE__) # define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN) diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 15cdb231a2..4ddc2790b1 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -37,7 +37,8 @@ #if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP) # define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN) + if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN, \ + __FILE__, __LINE__) # define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN) #else diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c index 7035dc77df..245841a768 100644 --- a/erts/emulator/sys/common/erl_check_io.c +++ b/erts/emulator/sys/common/erl_check_io.c @@ -34,6 +34,7 @@ #endif #include "sys.h" #include "global.h" +#include "erl_port.h" #include "erl_check_io.h" #include "erl_thr_progress.h" #include "dtrace-wrapper.h" @@ -78,6 +79,8 @@ typedef char EventStateFlags; #define ERTS_CIO_POLL_INIT ERTS_POLL_EXPORT(erts_poll_init) #define ERTS_CIO_POLL_INFO ERTS_POLL_EXPORT(erts_poll_info) +#define GET_FD(fd) fd + static struct pollset_info { ErtsPollSet ps; @@ -894,7 +897,7 @@ print_driver_name(erts_dsprintf_buf_t *dsbufp, Eterm id) static void steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) { - erts_dsprintf(dsbufp, "stealing control of fd=%d from ", (int) state->fd); + erts_dsprintf(dsbufp, "stealing control of fd=%d from ", (int) GET_FD(state->fd)); switch (state->type) { case ERTS_EV_TYPE_DRV_SEL: { int deselect_mode = 0; @@ -918,7 +921,7 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) if (deselect_mode) deselect(state, deselect_mode); else { - erts_dsprintf(dsbufp, "no one", (int) state->fd); + erts_dsprintf(dsbufp, "no one", (int) GET_FD(state->fd)); ASSERT(0); } erts_dsprintf(dsbufp, "\n"); @@ -946,7 +949,7 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode) break; } default: - erts_dsprintf(dsbufp, "no one\n", (int) state->fd); + erts_dsprintf(dsbufp, "no one\n", (int) GET_FD(state->fd)); ASSERT(0); } } @@ -957,10 +960,14 @@ print_select_op(erts_dsprintf_buf_t *dsbufp, { Port *pp = erts_drvport2port(ix); erts_dsprintf(dsbufp, +#ifdef __OSE__ + "driver_select(%p, %d,%s%s%s%s | %d, %d) " +#else "driver_select(%p, %d,%s%s%s%s, %d) " +#endif "by ", ix, - (int) fd, + (int) GET_FD(fd), mode & ERL_DRV_READ ? " ERL_DRV_READ" : "", mode & ERL_DRV_WRITE ? " ERL_DRV_WRITE" : "", mode & ERL_DRV_USE ? " ERL_DRV_USE" : "", @@ -1010,7 +1017,7 @@ steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix, ASSERT(state->type == ERTS_EV_TYPE_STOP_USE); erts_dsprintf(dsbufp, "failed: fd=%d (re)selected before stop_select " "was called for driver %s\n", - (int) state->fd, state->driver.drv_ptr->name); + (int) GET_FD(state->fd), state->driver.drv_ptr->name); erts_send_error_to_logger_nogl(dsbufp); if (on) { @@ -1395,6 +1402,26 @@ stale_drv_select(Eterm id, ErtsDrvEventState *state, int mode) } #ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS + +#ifdef __OSE__ +static SafeHashValue drv_ev_state_hash(void *des) +{ + ErtsSysFdType fd = ((ErtsDrvEventState *) des)->fd; + /* We use hash on signo ^ id in order for steal to happen when the + same signo + fd is selected on by two different ports */ + SafeHashValue val = (SafeHashValue)(fd->signo ^ fd->id); + return val ^ (val >> 8); +} + +static int drv_ev_state_cmp(void *des1, void *des2) +{ + ErtsSysFdType fd1 = ((ErtsDrvEventState *) des1)->fd; + ErtsSysFdType fd2 = ((ErtsDrvEventState *) des2)->fd; + if (fd1->signo == fd2->signo && fd1->id == fd2->id) + return 0; + return 1; +} +#else /* !__OSE__ && !ERTS_SYS_CONTINOUS_FD_NUMBERS i.e. probably windows */ static SafeHashValue drv_ev_state_hash(void *des) { SafeHashValue val = (SafeHashValue) ((ErtsDrvEventState *) des)->fd; @@ -1406,6 +1433,7 @@ static int drv_ev_state_cmp(void *des1, void *des2) return ( ((ErtsDrvEventState *) des1)->fd == ((ErtsDrvEventState *) des2)->fd ? 0 : 1); } +#endif static void *drv_ev_state_alloc(void *des_tmpl) { @@ -1882,12 +1910,14 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void) int fd, len; #endif IterDebugCounters counters; +#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS ErtsDrvEventState null_des; null_des.driver.select = NULL; null_des.events = 0; null_des.remove_cnt = 0; null_des.type = ERTS_EV_TYPE_NONE; +#endif erts_printf("--- fds in pollset --------------------------------------\n"); diff --git a/erts/emulator/sys/common/erl_poll.h b/erts/emulator/sys/common/erl_poll.h index 09ed9f41af..2f1c05f401 100644 --- a/erts/emulator/sys/common/erl_poll.h +++ b/erts/emulator/sys/common/erl_poll.h @@ -90,7 +90,7 @@ # if defined(ERTS_USE_POLL) # undef ERTS_POLL_USE_POLL # define ERTS_POLL_USE_POLL 1 -# elif !defined(__WIN32__) +# elif !defined(__WIN32__) && !defined(__OSE__) # undef ERTS_POLL_USE_SELECT # define ERTS_POLL_USE_SELECT 1 # endif @@ -99,13 +99,31 @@ typedef Uint32 ErtsPollEvents; #undef ERTS_POLL_EV_E2N -#if defined(__WIN32__) /* --- win32 ------------------------------- */ +#if defined(__WIN32__) || defined(__OSE__) /* --- win32 or ose -------- */ #define ERTS_POLL_EV_IN 1 #define ERTS_POLL_EV_OUT 2 #define ERTS_POLL_EV_ERR 4 #define ERTS_POLL_EV_NVAL 8 +#ifdef __OSE__ + +typedef struct ErtsPollOseMsgList_ { + struct ErtsPollOseMsgList_ *next; + union SIGNAL *data; +} ErtsPollOseMsgList; + +struct erts_sys_fd_type { + SIGSELECT signo; + ErlDrvOseEventId id; + ErtsPollOseMsgList *msgs; + ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig); + ethr_mutex mtx; + void *extra; +}; + +#endif + #elif ERTS_POLL_USE_EPOLL /* --- epoll ------------------------------- */ #include <sys/epoll.h> @@ -228,7 +246,8 @@ ErtsPollEvents ERTS_POLL_EXPORT(erts_poll_control)(ErtsPollSet, ErtsSysFdType, ErtsPollEvents, int on, - int* wake_poller); + int* wake_poller + ); void ERTS_POLL_EXPORT(erts_poll_controlv)(ErtsPollSet, ErtsPollControlEntry [], int on); diff --git a/erts/emulator/sys/ose/default.lmconf b/erts/emulator/sys/ose/default.lmconf new file mode 100644 index 0000000000..a66b0ece56 --- /dev/null +++ b/erts/emulator/sys/ose/default.lmconf @@ -0,0 +1,25 @@ +OSE_LM_STACK_SIZES=256,512,1024,2048,4096,8192,16384,65536 +OSE_LM_SIGNAL_SIZES=31,63,127,255,1023,4095,16383,65535 +OSE_LM_POOL_SIZE=0x200000 +OSE_LM_MAIN_NAME=main +OSE_LM_MAIN_STACK_SIZE=0xF000 +OSE_LM_MAIN_PRIORITY=20 +OSE_LM_PROGRAM_TYPE=APP_RAM +OSE_LM_DATA_INIT=YES +OSE_LM_BSS_INIT=YES +OSE_LM_EXEC_MODEL=SHARED +HEAP_MAX_SIZE=1000000000 +HEAP_SMALL_BUF_INIT_SIZE=64000000 +HEAP_LARGE_BUF_THRESHOLD=16000000 +HEAP_LOCK_TYPE=2 + +ERTS_DEFAULT_PRIO=24 +ERTS_SCHEDULER_PRIO=24 +ERTS_ASYNC_PRIO=22 +ERTS_AUX_PRIO=24 +ERTS_SYS_MSG_DISPATCHER_PRIO=21 + +# Setting the environment variable EFS_RESOLVE_TMO on the block to 0. +# This will eliminiate delays when trying to open files on not mounted +# volumes. +EFS_RESOLVE_TMO=0 diff --git a/erts/emulator/sys/ose/driver_int.h b/erts/emulator/sys/ose/driver_int.h new file mode 100644 index 0000000000..2c9ac955d8 --- /dev/null +++ b/erts/emulator/sys/ose/driver_int.h @@ -0,0 +1,41 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1997-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * System dependant driver declarations + */ + +#ifndef __DRIVER_INT_H__ +#define __DRIVER_INT_H__ + +#ifdef HAVE_SYS_UIO_H +#include <sys/types.h> +#include <sys/uio.h> + +typedef struct iovec SysIOVec; + +#else + +typedef struct { + char* iov_base; + int iov_len; +} SysIOVec; + +#endif + +#endif diff --git a/erts/emulator/sys/ose/erl_main.c b/erts/emulator/sys/ose/erl_main.c new file mode 100644 index 0000000000..03119c3fec --- /dev/null +++ b/erts/emulator/sys/ose/erl_main.c @@ -0,0 +1,51 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2000-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include <stdlib.h> + +#include "sys.h" +#include "erl_vm.h" +#include "global.h" +#include "ose.h" + +int +main(int argc, char **argv) { + + /* When starting using pm_create -c ARGV="-- -root ..", argv[0] is the first + part of ARGV and not the name of the executable. So we shuffle some + pointers here to make erl_start happy. */ + if (argv[0][0] == '-') { + int i; + char **tmp_argv = malloc(sizeof(char*)*(argc+1)); + for (i = 0; i < argc; i++) + tmp_argv[i+1] = argv[i]; + tmp_argv[0] = "beam"; + erl_start(argc+1,tmp_argv); + free(tmp_argv); + } else { + erl_start(argc,argv); + } + + stop(current_process()); + + return 0; +} diff --git a/erts/emulator/sys/ose/erl_ose_sys.h b/erts/emulator/sys/ose/erl_ose_sys.h new file mode 100644 index 0000000000..cd66d95c26 --- /dev/null +++ b/erts/emulator/sys/ose/erl_ose_sys.h @@ -0,0 +1,353 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1997-2011. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + * + * This file handles differences between different Unix systems. + * This should be the only place with conditional compilation + * depending on the type of OS. + */ + +#ifndef _ERL_OSE_SYS_H +#define _ERL_OSE_SYS_H + +#include "ose.h" +#undef NIL +#include "ramlog.h" +#include "erts.sig" + +#include "fcntl.h" +#include "math.h" +#include "stdio.h" +#include "stdlib.h" +#include "string.h" +#include "sys/param.h" +#include "sys/time.h" +#include "time.h" +#include "dirent.h" +#include "ethread.h" + +/* FIXME: configuration options */ +#define ERTS_SCHED_MIN_SPIN 1 +#define ERTS_SCHED_ONLY_POLL_SCHED_1 1 +#define ERTS_SCHED_FAIR 1 +#define NO_SYSCONF 1 +#define OPEN_MAX FOPEN_MAX + +#define MAP_ANON MAP_ANONYMOUS + +#ifndef HAVE_MMAP +# define HAVE_MMAP 0 +#endif + +#if HAVE_MMAP +# include "sys/mman.h" +#endif + +/* + * Min number of async threads + */ +#define ERTS_MIN_NO_OF_ASYNC_THREADS 1 + +/* + * Our own type of "FD's" + */ +#define ERTS_SYS_FD_TYPE struct erts_sys_fd_type* +#define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are signals, not files */ + +#include "sys/stat.h" + +/* FIXME mremap is not defined in OSE - POSIX issue */ +extern void *mremap (void *__addr, size_t __old_len, size_t __new_len, + int __flags, ...); + +/* FIXME: mremap constants */ +#define MREMAP_MAYMOVE 1 +#define MREMAP_FIXED 2 + +typedef void *GETENV_STATE; + +/* +** For the erl_timer_sup module. +*/ +#define HAVE_GETHRTIME + +typedef long long SysHrTime; +extern SysHrTime sys_gethrtime(void); + +void sys_init_hrtime(void); + +typedef time_t erts_time_t; + +typedef struct timeval SysTimeval; + +#define sys_gettimeofday(Arg) ((void) gettimeofday((Arg), NULL)) + +typedef struct { + clock_t tms_utime; + clock_t tms_stime; + clock_t tms_cutime; + clock_t tms_cstime; +} SysTimes; + +extern int erts_ticks_per_sec; + +#define SYS_CLK_TCK (erts_ticks_per_sec) + +extern clock_t sys_times(SysTimes *buffer); + +/* No use in having other resolutions than 1 Ms. */ +#define SYS_CLOCK_RESOLUTION 1 + +#ifdef NO_FPE_SIGNALS + +#define erts_get_current_fp_exception() NULL +#ifdef ERTS_SMP +#define erts_thread_init_fp_exception() do{}while(0) +#endif +# define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0) +# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!finite(f)) { Action; } else {} +# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action) +# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) +# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) + +#define erts_sys_block_fpe() 0 +#define erts_sys_unblock_fpe(x) do{}while(0) + +#else /* !NO_FPE_SIGNALS */ + +extern volatile unsigned long *erts_get_current_fp_exception(void); +#ifdef ERTS_SMP +extern void erts_thread_init_fp_exception(void); +#endif +# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) +# define erts_fwait(fpexnp,f) \ + __asm__ __volatile__("fwait" : "=m"(*(fpexnp)) : "m"(f)) +# elif (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__) +# define erts_fwait(fpexnp,f) \ + __asm__ __volatile__("" : "=m"(*(fpexnp)) : "fm"(f)) +# elif defined(__sparc__) && defined(__linux__) && defined(__GNUC__) +# define erts_fwait(fpexnp,f) \ + __asm__ __volatile__("" : "=m"(*(fpexnp)) : "em"(f)) +# else +# define erts_fwait(fpexnp,f) \ + __asm__ __volatile__("" : "=m"(*(fpexnp)) : "g"(f)) +# endif +# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) + extern void erts_restore_fpu(void); +# else +# define erts_restore_fpu() /*empty*/ +# endif +# if (!defined(__GNUC__) || \ + (__GNUC__ < 2) || \ + (__GNUC__ == 2 && __GNUC_MINOR < 96)) && \ + !defined(__builtin_expect) +# define __builtin_expect(x, expected_value) (x) +# endif +static __inline__ int erts_check_fpe(volatile unsigned long *fp_exception, double f) +{ + erts_fwait(fp_exception, f); + if (__builtin_expect(*fp_exception == 0, 1)) + return 0; + *fp_exception = 0; + erts_restore_fpu(); + return 1; +} +# undef erts_fwait +# undef erts_restore_fpu +extern void erts_fp_check_init_error(volatile unsigned long *fp_exception); +static __inline__ void __ERTS_FP_CHECK_INIT(volatile unsigned long *fp_exception) +{ + if (__builtin_expect(*fp_exception == 0, 1)) + return; + erts_fp_check_init_error(fp_exception); +} +# define __ERTS_FP_ERROR(fpexnp, f, Action) do { if (erts_check_fpe((fpexnp),(f))) { Action; } } while (0) +# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) unsigned long old_erl_fp_exception = *(fpexnp) +# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) \ + do { *(fpexnp) = old_erl_fp_exception; } while (0) + /* This is for library calls where we don't trust the external + code to always throw floating-point exceptions on errors. */ +static __inline__ int erts_check_fpe_thorough(volatile unsigned long *fp_exception, double f) +{ + return erts_check_fpe(fp_exception, f) || !finite(f); +} +# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) \ + do { if (erts_check_fpe_thorough((fpexnp),(f))) { Action; } } while (0) + +int erts_sys_block_fpe(void); +void erts_sys_unblock_fpe(int); + +#endif /* !NO_FPE_SIGNALS */ + +#define ERTS_FP_CHECK_INIT(p) __ERTS_FP_CHECK_INIT(&(p)->fp_exception) +#define ERTS_FP_ERROR(p, f, A) __ERTS_FP_ERROR(&(p)->fp_exception, f, A) +#define ERTS_FP_ERROR_THOROUGH(p, f, A) __ERTS_FP_ERROR_THOROUGH(&(p)->fp_exception, f, A) + +/* FIXME: force HAVE_GETPAGESIZE and stub getpagesize */ +#ifndef HAVE_GETPAGESIZE +#define HAVE_GETPAGESIZE 1 +#endif + +extern int getpagesize(void); + +#ifndef HZ +#define HZ 60 +#endif + +/* OSE5 doesn't provide limits.h so a number of macros should be + * added manually */ + +#ifndef CHAR_BIT +#define CHAR_BIT 8 +#endif + +/* Minimum and maximum values a `signed int' can hold. */ +#ifndef INT_MAX +#define INT_MAX 2147483647 +#endif + +#ifndef INT_MIN +#define INT_MIN (-INT_MAX - 1) +#endif + +#ifndef UINT_MAX +# define UINT_MAX 4294967295U +#endif + +/* +static void erts_ose_sys_send(union SIGNAL **signal,PROCESS dst, + char* file,int line) { + SIGSELECT **ziggy = (SIGSELECT**)signal; + printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x\r\n", + file,line,current_process(),ziggy[0][0],*ziggy,dst); + send(signal,dst); +} +#define send(signal,dst) erts_ose_sys_send(signal,dst,__FILE__,__LINE__) + +static void erts_ose_sys_send_w_sender(union SIGNAL **signal, + PROCESS sender,PROCESS dst, + char* file,int line) { + SIGSELECT **ziggy = (SIGSELECT**)signal; + printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x as 0x%x\r\n", + file,line,current_process(),ziggy[0][0],*ziggy,dst,sender); + send_w_sender(signal,sender,dst); +} +#define send_w_sender(signal,sender,dst) \ + erts_ose_sys_send_w_sender(signal,sender,dst,__FILE__,__LINE__) + + +static union SIGNAL *erts_ose_sys_receive(SIGSELECT *sigsel, + char *file, + int line) { + SIGSELECT *sig; + int i; + + printf("%s:%d 0x%x receive({%d,",file,line,current_process(),sigsel[0]); + for (i = 1; i < sigsel[0]; i++) + printf("0x%x, ",sigsel[i]); + if (sigsel[0] != 0) + printf("0x%x",sigsel[i]); + printf("})\n"); + sig = (SIGSELECT*)receive(sigsel); + printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), + *sig,sender((union SIGNAL**)(&sig))); + return (union SIGNAL*)sig; +} +#define receive(SIGSEL) erts_ose_sys_receive(SIGSEL,__FILE__,__LINE__) + +static union SIGNAL *erts_ose_sys_receive_w_tmo(OSTIME tmo,SIGSELECT *sigsel, + char *file,int line) { + SIGSELECT *sig; + int i; + if (tmo == 0) { + sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel); + if (sig != NULL) { + printf("%s:%d 0x%x receive_w_tmo(0,{%d,",file,line,current_process(), + sigsel[0]); + for (i = 1; i < sigsel[0]; i++) + printf("0x%x, ",sigsel[i]); + if (sigsel[0] != 0) + printf("0x%x",sigsel[i]); + printf("})\n"); + printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), + *sig,sender((union SIGNAL**)(&sig))); + } + } else { + printf("%s:%d 0x%x receive_w_tmo(%u,{%d,",file,line,current_process(),tmo, + sigsel[0]); + for (i = 1; i < sigsel[0]; i++) + printf("0x%x, ",sigsel[i]); + if (sigsel[0] != 0) + printf("0x%x",sigsel[i]); + printf("})\n"); + sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel); + printf("%s:%d 0x%x got ",file,line,current_process()); + if (sig == NULL) + printf("TIMEOUT\n"); + else + printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig))); + } + + return (union SIGNAL*)sig; +} + +#define receive_w_tmo(tmo,sigsel) erts_ose_sys_receive_w_tmo(tmo,sigsel, \ + __FILE__,__LINE__) + +static union SIGNAL *erts_ose_sys_receive_fsem(OSTIME tmo,SIGSELECT *sigsel, + OSFSEMVAL fsem, + char *file,int line) { + SIGSELECT *sig; + int i; + if (tmo == 0) { + sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem); + if (sig != NULL && sig != OS_RCV_FSEM) { + printf("%s:%d 0x%x receive_fsem(0,{%d,",file,line,current_process(), + sigsel[0]); + for (i = 1; i < sigsel[0]; i++) + printf("0x%x, ",sigsel[i]); + if (sigsel[0] != 0) + printf("0x%x",sigsel[i]); + printf("},%d)\n",fsem); + printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), + *sig,sender((union SIGNAL**)(&sig))); + } + } else { + printf("%s:%d 0x%x receive_fsem(%u,{%d,",file,line,current_process(),tmo, + sigsel[0]); + for (i = 1; i < sigsel[0]; i++) + printf("0x%x, ",sigsel[i]); + if (sigsel[0] != 0) + printf("0x%x",sigsel[i]); + printf("},%d)\n",fsem); + sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem); + printf("%s:%d 0x%x got ",file,line,current_process()); + if (sig == NULL) + printf("TIMEOUT\n"); + else if (sig == OS_RCV_FSEM) + printf("FSEM\n"); + else + printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig))); + } + + return (union SIGNAL*)sig; +} + +#define receive_fsem(tmo,sigsel,fsem) \ + erts_ose_sys_receive_fsem(tmo,sigsel,fsem,__FILE__,__LINE__) +*/ +#endif /* _ERL_OSE_SYS_H */ diff --git a/erts/emulator/sys/ose/erl_ose_sys_ddll.c b/erts/emulator/sys/ose/erl_ose_sys_ddll.c new file mode 100644 index 0000000000..ebd80deeaf --- /dev/null +++ b/erts/emulator/sys/ose/erl_ose_sys_ddll.c @@ -0,0 +1,126 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2006-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Interface functions to the dynamic linker using dl* functions. + * (No support in OSE, we use static linkage instead) + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sys.h" +#include "erl_vm.h" +#include "global.h" + + +void erl_sys_ddll_init(void) { +} + +/* + * Open a shared object + */ +int erts_sys_ddll_open(const char *full_name, void **handle, ErtsSysDdllError* err) +{ + return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY; +} + +int erts_sys_ddll_open_noext(char *dlname, void **handle, ErtsSysDdllError* err) +{ + return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY; +} + +/* + * Find a symbol in the shared object + */ +int erts_sys_ddll_sym2(void *handle, const char *func_name, void **function, + ErtsSysDdllError* err) +{ + return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY; +} + +/* XXX:PaN These two will be changed with new driver interface! */ + +/* + * Load the driver init function, might appear under different names depending on object arch... + */ + +int erts_sys_ddll_load_driver_init(void *handle, void **function) +{ + void *fn; + int res; + if ((res = erts_sys_ddll_sym2(handle, "driver_init", &fn, NULL)) != ERL_DE_NO_ERROR) { + res = erts_sys_ddll_sym2(handle, "_driver_init", &fn, NULL); + } + if (res == ERL_DE_NO_ERROR) { + *function = fn; + } + return res; +} + +int erts_sys_ddll_load_nif_init(void *handle, void **function, ErtsSysDdllError* err) +{ + void *fn; + int res; + if ((res = erts_sys_ddll_sym2(handle, "nif_init", &fn, err)) != ERL_DE_NO_ERROR) { + res = erts_sys_ddll_sym2(handle, "_nif_init", &fn, err); + } + if (res == ERL_DE_NO_ERROR) { + *function = fn; + } + return res; +} + +/* + * Call the driver_init function, whatever it's really called, simple on unix... +*/ +void *erts_sys_ddll_call_init(void *function) { + void *(*initfn)(void) = function; + return (*initfn)(); +} +void *erts_sys_ddll_call_nif_init(void *function) { + return erts_sys_ddll_call_init(function); +} + + + +/* + * Close a chared object + */ +int erts_sys_ddll_close2(void *handle, ErtsSysDdllError* err) +{ + return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY; +} + + +/* + * Return string that describes the (current) error + */ +char *erts_sys_ddll_error(int code) +{ + return "Unspecified error"; +} + +void erts_sys_ddll_free_error(ErtsSysDdllError* err) +{ + if (err->str != NULL) { + erts_free(ERTS_ALC_T_DDLL_TMP_BUF, err->str); + } +} diff --git a/erts/emulator/sys/ose/erl_poll.c b/erts/emulator/sys/ose/erl_poll.c new file mode 100644 index 0000000000..ca1ed6e53a --- /dev/null +++ b/erts/emulator/sys/ose/erl_poll.c @@ -0,0 +1,774 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2006-2012. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Description: Poll interface suitable for ERTS on OSE with or without + * SMP support. + * + * The interface is currently implemented using: + * - receive + receive_fsem + * + * Author: Lukas Larsson + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "erl_thr_progress.h" +#include "erl_driver.h" +#include "erl_alloc.h" +#include "erl_poll.h" + +#define NOFILE 4096 + +/* + * Some debug macros + */ + +/* #define HARDDEBUG +#define HARDTRACE*/ +#ifdef HARDDEBUG +#ifdef HARDTRACE +#define HARDTRACEF(X, ...) { fprintf(stderr, X, __VA_ARGS__); fprintf(stderr,"\r\n"); } +#else +#define HARDTRACEF(...) +#endif + +#else +#define HARDTRACEF(X,...) +#define HARDDEBUGF(...) +#endif + +#if 0 +#define ERTS_POLL_DEBUG_PRINT +#endif + +#if defined(DEBUG) && 0 +#define HARD_DEBUG +#endif + +# define SEL_ALLOC erts_alloc +# define SEL_REALLOC realloc_wrap +# define SEL_FREE erts_free + +#ifdef ERTS_SMP + +#define ERTS_POLLSET_LOCK(PS) \ + erts_smp_mtx_lock(&(PS)->mtx) +#define ERTS_POLLSET_UNLOCK(PS) \ + erts_smp_mtx_unlock(&(PS)->mtx) + +#else + +#define ERTS_POLLSET_LOCK(PS) +#define ERTS_POLLSET_UNLOCK(PS) + +#endif + +/* + * --- Data types ------------------------------------------------------------ + */ + +union SIGNAL { + SIGSELECT sig_no; +}; + +typedef struct erts_sigsel_item_ ErtsSigSelItem; + +struct erts_sigsel_item_ { + ErtsSigSelItem *next; + ErtsSysFdType fd; + ErtsPollEvents events; +}; + +typedef struct erts_sigsel_info_ ErtsSigSelInfo; + +struct erts_sigsel_info_ { + ErtsSigSelInfo *next; + SIGSELECT signo; + ErlDrvOseEventId (*decode)(union SIGNAL* sig); + ErtsSigSelItem *fds; +}; + +struct ErtsPollSet_ { + SIGSELECT *sigs; + ErtsSigSelInfo *info; + Uint sig_count; + Uint item_count; + PROCESS interrupt; + erts_atomic32_t wakeup_state; + erts_smp_atomic32_t timeout; +#ifdef ERTS_SMP + erts_smp_mtx_t mtx; +#endif +}; + +static int max_fds = -1; + +#define ERTS_POLL_NOT_WOKEN ((erts_aint32_t) (1 << 0)) +#define ERTS_POLL_WOKEN_INTR ((erts_aint32_t) (1 << 1)) +#define ERTS_POLL_WOKEN_TIMEDOUT ((erts_aint32_t) (1 << 2)) +#define ERTS_POLL_WOKEN_IO_READY ((erts_aint32_t) (1 << 3)) +#define ERTS_POLL_SLEEPING ((erts_aint32_t) (1 << 4)) + +/* signal list prototypes */ +static ErtsSigSelInfo *get_sigsel_info(ErtsPollSet ps, SIGSELECT signo); +static ErtsSigSelItem *get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd); +static ErtsSigSelInfo *add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd, + ErlDrvOseEventId (*decode)(union SIGNAL* sig)); +static ErtsSigSelItem *add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd, + ErlDrvOseEventId (*decode)(union SIGNAL* sig)); +static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info); +static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item); +static int update_sigsel(ErtsPollSet ps); + +static ErtsSigSelInfo * +get_sigsel_info(ErtsPollSet ps, SIGSELECT signo) { + ErtsSigSelInfo *curr = ps->info; + while (curr != NULL) { + if (curr->signo == signo) + return curr; + curr = curr->next; + } + return NULL; +} + +static ErtsSigSelItem * +get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd) { + ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo); + ErtsSigSelItem *curr; + + if (info == NULL) + return NULL; + + curr = info->fds; + + while (curr != NULL) { + if (curr->fd->id == fd->id) { + ASSERT(curr->fd->signo == fd->signo); + return curr; + } + curr = curr->next; + } + return NULL; +} + +static ErtsSigSelInfo * +add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd, + ErlDrvOseEventId (*decode)(union SIGNAL* sig)) { + ErtsSigSelInfo *info = SEL_ALLOC(ERTS_ALC_T_POLLSET, + sizeof(ErtsSigSelInfo)); + info->next = ps->info; + info->fds = NULL; + info->signo = fd->signo; + info->decode = decode; + ps->info = info; + ps->sig_count++; + return info; +} + +static ErtsSigSelItem * +add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd, + ErlDrvOseEventId (*decode)(union SIGNAL* sig)) { + ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo); + ErtsSigSelItem *item = SEL_ALLOC(ERTS_ALC_T_POLLSET, + sizeof(ErtsSigSelItem)); + if (info == NULL) + info = add_sigsel_info(ps, fd, decode); + if (info->decode != decode) { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + erts_dsprintf(dsbufp, "erts_poll_control() inconsistency: multiple resolve_signal functions for same signal (%d)\n", + fd->signo); + erts_send_error_to_logger_nogl(dsbufp); + } + ASSERT(info->decode == decode); + item->next = info->fds; + item->fd = fd; + item->events = 0; + info->fds = item; + ps->item_count++; + return item; +} + +static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info) { + ErtsSigSelInfo *curr, *prev; + + if (ps->info == info) { + ps->info = ps->info->next; + } else { + curr = ps->info->next; + prev = ps->info; + + while (curr != info) { + if (curr == NULL) + return 1; + prev = curr; + curr = curr->next; + } + prev->next = curr->next; + } + + ps->sig_count--; + SEL_FREE(ERTS_ALC_T_POLLSET, info); + return 0; +} + +static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item) { + ErtsSigSelInfo *info = get_sigsel_info(ps,item->fd->signo); + ErtsSigSelItem *curr, *prev; + + ps->item_count--; + ASSERT(ps->item_count >= 0); + + if (info->fds == item) { + info->fds = info->fds->next; + SEL_FREE(ERTS_ALC_T_POLLSET,item); + if (info->fds == NULL) + return del_sigsel_info(ps,info); + return 0; + } + + curr = info->fds->next; + prev = info->fds; + + while (curr != item) { + if (curr == NULL) { + /* We did not find an item to delete so we have to + * increment item count again. + */ + ps->item_count++; + return 1; + } + prev = curr; + curr = curr->next; + } + prev->next = curr->next; + SEL_FREE(ERTS_ALC_T_POLLSET,item); + return 0; +} + +#ifdef ERTS_SMP + +static void update_redir_tables(ErtsPollSet ps) { + struct OS_redir_entry *redir_table; + PROCESS sched_1 = ERTS_SCHEDULER_IX(0)->tid.id; + int i; + redir_table = SEL_ALLOC(ERTS_ALC_T_POLLSET, + sizeof(struct OS_redir_entry)*(ps->sig_count+1)); + + redir_table[0].sig = ps->sig_count+1; + redir_table[0].pid = 0; + + for (i = 1; i < ps->sig_count+1; i++) { + redir_table[i].sig = ps->sigs[i]; + redir_table[i].pid = sched_1; + } + + for (i = 1; i < erts_no_schedulers; i++) { + ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(i); + set_redirection(esdp->tid.id,redir_table); + } + + SEL_FREE(ERTS_ALC_T_POLLSET,redir_table); +} + +#endif + +static int update_sigsel(ErtsPollSet ps) { + ErtsSigSelInfo *info = ps->info; + + int i; + + if (ps->sigs != NULL) + SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs); + + if (ps->sig_count == 0) { + /* If there are no signals we place a non-valid signal to make sure that + * we do not trigger on a any unrelated signals which are sent to the + * process. + */ + ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(2)); + ps->sigs[0] = 1; + ps->sigs[1] = ERTS_SIGNAL_INVALID; + return 0; + } + + ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(ps->sig_count+1)); + ps->sigs[0] = ps->sig_count; + + for (i = 1; info != NULL; i++, info = info->next) + ps->sigs[i] = info->signo; + +#ifdef ERTS_SMP + update_redir_tables(ps); +#endif + + return 0; +} + +static ERTS_INLINE void +wake_poller(ErtsPollSet ps) +{ + erts_aint32_t wakeup_state; + + ERTS_THR_MEMORY_BARRIER; + wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state); + while (wakeup_state != ERTS_POLL_WOKEN_IO_READY + && wakeup_state != ERTS_POLL_WOKEN_INTR) { + erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_INTR, + wakeup_state); + if (act == wakeup_state) { + wakeup_state = act; + break; + } + wakeup_state = act; + } + if (wakeup_state == ERTS_POLL_SLEEPING) { + /* + * Since we don't know the internals of signal_fsem() we issue + * a memory barrier as a safety precaution ensuring that + * the store we just made to wakeup_state wont be reordered + * with loads in signal_fsem(). + */ + ERTS_THR_MEMORY_BARRIER; + signal_fsem(ps->interrupt); + } +} + +static ERTS_INLINE void +reset_interrupt(ErtsPollSet ps) +{ + /* We need to keep io-ready if set */ + erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state); + while (wakeup_state != ERTS_POLL_NOT_WOKEN && + wakeup_state != ERTS_POLL_SLEEPING) { + erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_NOT_WOKEN, + wakeup_state); + if (wakeup_state == act) + break; + wakeup_state = act; + } + ERTS_THR_MEMORY_BARRIER; +} + +static ERTS_INLINE void +set_interrupt(ErtsPollSet ps) +{ + wake_poller(ps); +} + +void erts_poll_interrupt(ErtsPollSet ps,int set) { + HARDTRACEF("erts_poll_interrupt called!\n"); + + if (!set) + reset_interrupt(ps); + else + set_interrupt(ps); + +} + +void erts_poll_interrupt_timed(ErtsPollSet ps,int set,erts_short_time_t msec) { + HARDTRACEF("erts_poll_interrupt_timed called!\n"); + + if (!set) + reset_interrupt(ps); + else if (erts_smp_atomic32_read_acqb(&ps->timeout) > (erts_aint32_t) msec) + set_interrupt(ps); +} + +ErtsPollEvents erts_poll_control(ErtsPollSet ps, ErtsSysFdType fd, + ErtsPollEvents pe, int on, int* do_wake) { + ErtsSigSelItem *curr; + ErtsPollEvents new_events; + int old_sig_count; + + HARDTRACEF( + "%ux: In erts_poll_control, fd = %d, pe = %d, on = %d, *do_wake = %d, curr = 0x%xu", + ps, fd, pe, on, do_wake, curr); + + ERTS_POLLSET_LOCK(ps); + + if (on && (pe & ERTS_POLL_EV_IN) && (pe & ERTS_POLL_EV_OUT)) { + /* Check to make sure both in and out are not used at the same time */ + new_events = ERTS_POLL_EV_NVAL; + goto done; + } + + curr = get_sigsel_item(ps, fd); + old_sig_count = ps->sig_count; + + if (curr == NULL && on) { + curr = add_sigsel_item(ps, fd, fd->resolve_signal); + } else if (curr == NULL && !on) { + new_events = ERTS_POLL_EV_NVAL; + goto done; + } + + new_events = curr->events; + + if (pe == 0) { + *do_wake = 0; + goto done; + } + + if (on) { + new_events |= pe; + curr->events = new_events; + } else { + new_events &= ~pe; + curr->events = new_events; + if (new_events == 0 && del_sigsel_item(ps, curr)) { + new_events = ERTS_POLL_EV_NVAL; + goto done; + } + } + + if (ps->sig_count != old_sig_count) { + if (update_sigsel(ps)) + new_events = ERTS_POLL_EV_NVAL; + } +done: + ERTS_POLLSET_UNLOCK(ps); + HARDTRACEF("%ux: Out erts_poll_control", ps); + return new_events; +} + +int erts_poll_wait(ErtsPollSet ps, + ErtsPollResFd pr[], + int *len, + SysTimeval *utvp) { + int res = ETIMEDOUT, no_fds, currid = 0; + OSTIME timeout; + union SIGNAL *sig; + // HARDTRACEF("%ux: In erts_poll_wait",ps); + if (ps->interrupt == (PROCESS)0) + ps->interrupt = current_process(); + + ASSERT(current_process() == ps->interrupt); + ASSERT(get_fsem(current_process()) == 0); + ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) & + (ERTS_POLL_NOT_WOKEN | ERTS_POLL_WOKEN_INTR)); + /* Max no of spots avable in pr */ + no_fds = *len; + + *len = 0; + + ASSERT(utvp); + + /* erts_printf("Entering erts_poll_wait(), timeout=%d\n", + (int) utvp->tv_sec*1000 + utvp->tv_usec/1000); */ + + timeout = utvp->tv_sec*1000 + utvp->tv_usec/1000; + + if (timeout > ((time_t) ERTS_AINT32_T_MAX)) + timeout = ERTS_AINT32_T_MAX; + erts_smp_atomic32_set_relb(&ps->timeout, (erts_aint32_t) timeout); + + while (currid < no_fds) { + if (timeout > 0) { + erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_SLEEPING, + ERTS_POLL_NOT_WOKEN); + if (act == ERTS_POLL_NOT_WOKEN) { +#ifdef ERTS_SMP + erts_thr_progress_prepare_wait(NULL); +#endif + sig = receive_fsem(timeout, ps->sigs, 1); +#ifdef ERTS_SMP + erts_thr_progress_finalize_wait(NULL); +#endif + } else { + ASSERT(act == ERTS_POLL_WOKEN_INTR); + sig = OS_RCV_FSEM; + } + } else + sig = receive_w_tmo(0, ps->sigs); + + if (sig == NULL) { + if (timeout > 0) { + erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_TIMEDOUT, + ERTS_POLL_SLEEPING); + if (act == ERTS_POLL_WOKEN_INTR) + /* Restore fsem as it was signaled but we got a timeout */ + wait_fsem(1); + } else + erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_TIMEDOUT, + ERTS_POLL_NOT_WOKEN); + break; + } else if (sig == OS_RCV_FSEM) { + ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) == ERTS_POLL_WOKEN_INTR); + break; + } + { + ErtsSigSelInfo *info = get_sigsel_info(ps, sig->sig_no); + struct erts_sys_fd_type fd = { sig->sig_no, info->decode(sig) }; + ErtsSigSelItem *item = get_sigsel_item(ps, &fd); + + ASSERT(sig); + if (currid == 0 && timeout > 0) { + erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_IO_READY, + ERTS_POLL_SLEEPING); + if (act == ERTS_POLL_WOKEN_INTR) { + /* Restore fsem as it was signaled but we got a msg */ + wait_fsem(1); + act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_IO_READY, + ERTS_POLL_WOKEN_INTR); + } + } else if (currid == 0) { + erts_atomic32_set_nob(&ps->wakeup_state, + ERTS_POLL_WOKEN_IO_READY); + } + + if (item == NULL) { + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + erts_dsprintf( + dsbufp, + "erts_poll_wait() failed: found unkown signal id %d (signo %u) " + "(curr_proc 0x%x)\n", + fd.id, fd.signo, current_process()); + erts_send_error_to_logger_nogl(dsbufp); + timeout = 0; + ASSERT(0); + } else { + int i; + struct erts_sys_fd_type *fd = NULL; + ErtsPollOseMsgList *tl,*new; + + /* Check if this fd has already been triggered by a previous signal */ + for (i = 0; i < currid;i++) { + if (pr[i].fd == item->fd) { + fd = pr[i].fd; + pr[i].events |= item->events; + break; + } + } + + /* First time this fd is triggered */ + if (fd == NULL) { + pr[currid].fd = item->fd; + pr[currid].events = item->events; + fd = item->fd; + timeout = 0; + currid++; + } + + /* Insert new signal in approriate list */ + new = erts_alloc(ERTS_ALC_T_FD_SIG_LIST,sizeof(ErtsPollOseMsgList)); + new->next = NULL; + new->data = sig; + + ethr_mutex_lock(&fd->mtx); + tl = fd->msgs; + + if (tl == NULL) { + fd->msgs = new; + } else { + while (tl->next != NULL) + tl = tl->next; + tl->next = new; + } + ethr_mutex_unlock(&fd->mtx); + } + + } + } + + { + erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state); + + switch (wakeup_state) { + case ERTS_POLL_WOKEN_IO_READY: + res = 0; + break; + case ERTS_POLL_WOKEN_INTR: + res = EINTR; + break; + case ERTS_POLL_WOKEN_TIMEDOUT: + res = ETIMEDOUT; + break; + case ERTS_POLL_NOT_WOKEN: + /* This happens when we get an invalid signal only */ + res = EINVAL; + break; + default: + res = 0; + erl_exit(ERTS_ABORT_EXIT, + "%s:%d: Internal error: Invalid wakeup_state=%d\n", + __FILE__, __LINE__, (int) wakeup_state); + } + } + + erts_atomic32_set_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN); + erts_smp_atomic32_set_nob(&ps->timeout, ERTS_AINT32_T_MAX); + + *len = currid; + + // HARDTRACEF("%ux: Out erts_poll_wait",ps); + return res; +} + +int erts_poll_max_fds(void) +{ + + HARDTRACEF("In/Out erts_poll_max_fds -> %d",max_fds); + return max_fds; +} + +void erts_poll_info(ErtsPollSet ps, + ErtsPollInfo *pip) +{ + Uint size = 0; + Uint num_events = 0; + + size += sizeof(struct ErtsPollSet_); + size += sizeof(ErtsSigSelInfo)*ps->sig_count; + size += sizeof(ErtsSigSelItem)*ps->item_count; + size += sizeof(SIGSELECT)*(ps->sig_count+1); + + pip->primary = "receive_fsem"; + + pip->fallback = NULL; + + pip->kernel_poll = NULL; + + pip->memory_size = size; + + pip->poll_set_size = num_events; + + pip->fallback_poll_set_size = 0; + + pip->lazy_updates = 0; + + pip->pending_updates = 0; + + pip->batch_updates = 0; + + pip->concurrent_updates = 0; + + + pip->max_fds = erts_poll_max_fds(); + HARDTRACEF("%ux: Out erts_poll_info",ps); + +} + +ErtsPollSet erts_poll_create_pollset(void) +{ + ErtsPollSet ps = SEL_ALLOC(ERTS_ALC_T_POLLSET, + sizeof(struct ErtsPollSet_)); + + ps->sigs = NULL; + ps->sig_count = 0; + ps->item_count = 0; + ps->info = NULL; + ps->interrupt = (PROCESS)0; + erts_atomic32_init_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN); + erts_smp_atomic32_init_nob(&ps->timeout, ERTS_AINT32_T_MAX); +#ifdef ERTS_SMP + erts_smp_mtx_init(&ps->mtx, "pollset"); +#endif + update_sigsel(ps); + HARDTRACEF("%ux: Out erts_poll_create_pollset",ps); + return ps; +} + +void erts_poll_destroy_pollset(ErtsPollSet ps) +{ + ErtsSigSelInfo *info; + for (info = ps->info; ps->info != NULL; info = ps->info, ps->info = ps->info->next) { + ErtsSigSelItem *item; + for (item = info->fds; info->fds != NULL; item = info->fds, info->fds = info->fds->next) + SEL_FREE(ERTS_ALC_T_POLLSET, item); + SEL_FREE(ERTS_ALC_T_POLLSET, info); + } + + SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs); + +#ifdef ERTS_SMP + erts_smp_mtx_destroy(&ps->mtx); +#endif + + SEL_FREE(ERTS_ALC_T_POLLSET,ps); +} + +void erts_poll_init(void) +{ + HARDTRACEF("In %s", __FUNCTION__); + max_fds = 256; + + HARDTRACEF("Out %s", __FUNCTION__); +} + + +/* OSE driver functions */ + +union SIGNAL *erl_drv_ose_get_signal(ErlDrvEvent drv_ev) { + struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev; + ethr_mutex_lock(&ev->mtx); + if (ev->msgs == NULL) { + ethr_mutex_unlock(&ev->mtx); + return NULL; + } else { + ErtsPollOseMsgList *msg = ev->msgs; + union SIGNAL *sig = (union SIGNAL*)msg->data; + ASSERT(msg->data); + ev->msgs = msg->next; + ethr_mutex_unlock(&ev->mtx); + erts_free(ERTS_ALC_T_FD_SIG_LIST,msg); + return sig; + } +} + +ErlDrvEvent +erl_drv_ose_event_alloc(SIGSELECT signo, ErlDrvOseEventId id, + ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig), void *extra) { + struct erts_sys_fd_type *ev = erts_alloc(ERTS_ALC_T_DRV_EV, + sizeof(struct erts_sys_fd_type)); + ev->signo = signo; + ev->extra = extra; + ev->id = id; + ev->msgs = NULL; + ev->resolve_signal = resolve_signal; + ethr_mutex_init(&ev->mtx); + return (ErlDrvEvent)ev; +} + +void erl_drv_ose_event_free(ErlDrvEvent drv_ev) { + struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev; + ASSERT(ev->msgs == NULL); + ethr_mutex_destroy(&ev->mtx); + erts_free(ERTS_ALC_T_DRV_EV,ev); +} + +void erl_drv_ose_event_fetch(ErlDrvEvent drv_ev, SIGSELECT *signo, + ErlDrvOseEventId *id, void **extra) { + struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev; + if (signo) + *signo = ev->signo; + if (extra) + *extra = ev->extra; + if (id) + *id = ev->id; +} diff --git a/erts/emulator/sys/ose/erts.sig b/erts/emulator/sys/ose/erts.sig new file mode 100644 index 0000000000..78b883ee6c --- /dev/null +++ b/erts/emulator/sys/ose/erts.sig @@ -0,0 +1,17 @@ +#ifndef ERTS_OSE_SIGNALS +#define ERTS_OSE_SIGNALS + +#ifndef ERTS_OSE_SIGNAL_BASE +#define ERTS_OSE_SIGNAL_BASE 0x01900280 +#endif + +#define ERTS_SIGNAL_INVALID ERTS_OSE_SIGNAL_BASE +#define ERTS_SIGNAL_FD_DRV_CONFIG ERTS_OSE_SIGNAL_BASE+1 +#define ERTS_SIGNAL_FD_DRV_ASYNC ERTS_OSE_SIGNAL_BASE+2 +#define ERTS_SIGNAL_OSE_DRV_ATTACH ERTS_OSE_SIGNAL_BASE+3 +#define ERTS_SIGNAL_OSE_DRV_HUNT ERTS_OSE_SIGNAL_BASE+4 + +#define ERTS_SIGNAL_RUN_ERL_SETUP ERTS_OSE_SIGNAL_BASE+100 +#define ERTS_SIGNAL_RUN_ERL_DAEMON ERTS_OSE_SIGNAL_BASE+101 + +#endif diff --git a/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf b/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf new file mode 100644 index 0000000000..a19d23facf --- /dev/null +++ b/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf @@ -0,0 +1,182 @@ +/******************************************************************************* + * Copyright (C) 2013-2014 by Enea Software AB, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************/ + +OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") +OUTPUT_ARCH("powerpc") +ENTRY("crt0_lm") +MEMORY +{ + rom : ORIGIN = 0x01000000, LENGTH = 0x01000000 + ram : ORIGIN = 0x02000000, LENGTH = 0x01000000 +} +PHDRS +{ + ph_conf PT_LOAD ; + ph_rom PT_LOAD ; + ph_ram PT_LOAD ; +} +SECTIONS +{ + .text : + { + *(.text_first) + *(.text) + *(.text.*) + *(.stub) + *(oscode) + *(.init*) + *(.fini*) + *(.gnu.warning) + *(.gnu.linkonce.t.*) + *(.glue_7t) + *(.glue_7) + } > rom :ph_rom = 0 + .ose_sfk_biosentry : + { + *(.ose_sfk_biosentry) + } > rom :ph_rom + .ctors : + { + __CTOR_LIST__ = .; + *(.ctors) + *(SORT(.ctors.*)) + __CTOR_END__ = .; + } > rom :ph_rom + .dtors : + { + __DTOR_LIST__ = .; + *(.dtors) + *(SORT(.dtors.*)) + __DTOR_END__ = .; + } > rom :ph_rom + OSESYMS : + { + *(.osesyms) + } > rom :ph_rom + .rodata : + { + *(.rodata) + *(.rodata.*) + *(.gnu.linkonce.r.*) + } > rom :ph_rom + .eh_frame_hdr : + { + *(.eh_frame_hdr) + } > rom :ph_rom + .eh_frame : + { + __EH_FRAME_BEGIN__ = .; + *(.eh_frame) + LONG(0) + __EH_FRAME_END__ = .; + } > rom :ph_rom + .gcc_except_table : + { + *(.gcc_except_table .gcc_except_table.*) + } > rom :ph_rom + .sdata2 : + { + PROVIDE (_SDA2_BASE_ = .); + *(.sdata2) + *(.sdata2.*) + *(.gnu.linkonce.s2.*) + } > rom :ph_rom + .sbss2 : + { + *(.sbss2) + *(.sbss2.*) + *(.gnu.linkonce.sb2.*) + } > rom :ph_rom + LMCONF : + { + obj/?*?/ose_confd.o(.rodata) + *(LMCONF) + } > rom :ph_conf + .data : + { + LONG(0xDEADBABE) + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + . = ALIGN(0x10); + } > ram :ph_ram = 0 + .sdata2 : + { + _SDA2_BASE_ = .; + *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) + }> ram :ph_ram + .sdata : + { + PROVIDE (_SDA_BASE_ = .); + *(.sdata) + *(.sdata.*) + *(.gnu.linkonce.s.*) + } > ram :ph_ram + .sbss : + { + *(.sbss) + *(.sbss.*) + *(.scommon) + *(.gnu.linkonce.sb.*) + } > ram :ph_ram + .bss (NOLOAD) : + { + *(.bss) + *(.bss.*) + *(COMMON) + *(.gnu.linkonce.b.*) + *(.osvars) + } > ram :ph_ram + .ignore (NOLOAD) : + { + *(.rel.dyn) + } > ram :ph_ram + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } +} +__OSESYMS_START = ADDR(OSESYMS); +__OSESYMS_END = ADDR(OSESYMS) + SIZEOF(OSESYMS); diff --git a/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf b/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf new file mode 100644 index 0000000000..3440c2961b --- /dev/null +++ b/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf @@ -0,0 +1,242 @@ +/******************************************************************************* + * Copyright (C) 2013-2014 by Enea Software AB, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************/ + +OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") +OUTPUT_ARCH("powerpc") + +ENTRY("crt0_lm") + +/* Note: + * You may have to increase the length of the "rom" memory region and the + * origin and length of the "ram" memory region below depending on the size + * of the code and data in your load module. + */ + +MEMORY +{ + conf : ORIGIN = 0x00100000, LENGTH = 0x00030000 + rom : ORIGIN = 0x01000000, LENGTH = 0x01000000 + ram : ORIGIN = 0x03000000, LENGTH = 0x01000000 +} + +PHDRS +{ + ph_conf PT_LOAD ; + ph_rom PT_LOAD ; + ph_ram PT_LOAD ; +} + +SECTIONS +{ +/*--------------------------------------------------------------------------- + * Load module configuration area + *-------------------------------------------------------------------------*/ + + /* Load module configuration section. */ + LMCONF : + { + obj/?*?/ose_confd.o(.rodata) + *(LMCONF) + } > conf :ph_conf + +/*--------------------------------------------------------------------------- + * Read-only area + *-------------------------------------------------------------------------*/ + + /* Code section. */ + .text : + { + *(.text) + *(.text.*) + *(.stub) + *(oscode) + *(.init*) + *(.fini*) + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } > rom :ph_rom = 0 + + /* OSE symbols section. */ + OSESYMS : + { + *(.osesyms) + } > rom :ph_rom + + /* Read-only data section. */ + .rodata : + { + *(.rodata) + *(.rodata.*) + *(.gnu.linkonce.r.*) + } > rom :ph_rom + + /* C++ exception handling section. */ + .eh_frame : + { + __EH_FRAME_BEGIN__ = .; + *(.eh_frame) + LONG(0) + __EH_FRAME_END__ = .; + } > rom :ph_rom + + /* C++ exception handling section. */ + .gcc_except_table : + { + *(.gcc_except_table .gcc_except_table.*) + } > rom :ph_rom + + /* PowerPC EABI initialized read-only data section. */ + .sdata2 : + { + PROVIDE (_SDA2_BASE_ = .); + *(.sdata2) + *(.sdata2.*) + *(.gnu.linkonce.s2.*) + } > rom :ph_rom + + /* PowerPC EABI uninitialized read-only data section. */ + .sbss2 : + { + *(.sbss2) + *(.sbss2.*) + *(.gnu.linkonce.sb2.*) + } > rom :ph_rom + +/*--------------------------------------------------------------------------- + * Read-write area + *-------------------------------------------------------------------------*/ + + /*------------------------------------------------------------------- + * Initialized data (copied by PM) + *-----------------------------------------------------------------*/ + + /* Data section. */ + .data : + { + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > ram :ph_ram + + /* C++ constructor section. */ + .ctors : + { + __CTOR_LIST__ = .; + *(.ctors) + *(SORT(.ctors.*)) + __CTOR_END__ = .; + } > ram :ph_ram + + /* C++ destructor section. */ + .dtors : + { + __DTOR_LIST__ = .; + *(.dtors) + *(SORT(.dtors.*)) + __DTOR_END__ = .; + } > ram :ph_ram + + + /* Small data section. */ + .sdata ALIGN(0x10) : + { + PROVIDE (_SDA_BASE_ = .); + *(.sdata) + *(.sdata.*) + *(.gnu.linkonce.s.*) + } > ram :ph_ram + + /*------------------------------------------------------------------- + * Uninitialized data (cleared by PM) + *-----------------------------------------------------------------*/ + + /* Small bss section. */ + .sbss : + { + *(.sbss) + *(.sbss.*) + *(.scommon) + *(.gnu.linkonce.sb.*) + } > ram :ph_ram + + /* Bss section. */ + .bss : + { + *(.bss) + *(.bss.*) + *(COMMON) + *(.gnu.linkonce.b.*) + } > ram :ph_ram + +/*--------------------------------------------------------------------------- + * Debug information + *-------------------------------------------------------------------------*/ + + /* + * Stabs debug sections. + */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + + /* + * DWARF debug sections. + */ + + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } +} diff --git a/erts/emulator/sys/ose/sys.c b/erts/emulator/sys/ose/sys.c new file mode 100644 index 0000000000..c892cc69c7 --- /dev/null +++ b/erts/emulator/sys/ose/sys.c @@ -0,0 +1,1755 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include "sys/time.h" +#include "time.h" +#include "sys/uio.h" +#include "termios.h" +#include "ctype.h" +#include "termios.h" + +#ifdef HAVE_FCNTL_H +#include "fcntl.h" +#endif + +#ifdef HAVE_SYS_IOCTL_H +#include "sys/ioctl.h" +#endif + +#define ERTS_WANT_BREAK_HANDLING +#define WANT_NONBLOCKING +#include "sys.h" +#include "erl_thr_progress.h" + +#ifdef USE_THREADS +#include "erl_threads.h" +#endif + +#include "erl_mseg.h" + +#include "unistd.h" +#include "efs.h" +#include "erl_printf.h" +#include "aio.h" +#include "pm.h" +#include "fcntl.h" + +/* Set the define to 1 to get some logging */ +#if 0 +#include "ramlog.h" +#define LOG(output) ramlog_printf output +#else +#define LOG(output) +#endif + +extern char **environ; +static erts_smp_rwmtx_t environ_rwmtx; +static PROCESS sig_proxy_pid = 0; + +#define MAX_VSIZE 16 /* Max number of entries allowed in an I/O + * vector sock_sendv(). + */ +/* + * Don't need global.h, but bif_table.h (included by bif.h), + * won't compile otherwise + */ +#include "global.h" +#include "bif.h" + +#include "erl_sys_driver.h" +#include "erl_check_io.h" +#include "erl_cpu_topology.h" + +/* The priority for reader/writer processes */ +#define FD_PROC_PRI get_pri(current_process()) + +typedef struct ErtsSysReportExit_ ErtsSysReportExit; +struct ErtsSysReportExit_ { + ErtsSysReportExit *next; + Eterm port; + int pid; + int ifd; + int ofd; + ErlDrvEvent attach_event; + ErlDrvEvent input_event; + ErlDrvEvent output_event; +}; + +/* This data is shared by these drivers - initialized by spawn_init() */ +static struct driver_data { + ErlDrvPort port_num; + int ofd; + int ifd; + int packet_bytes; + ErtsSysReportExit *report_exit; + int pid; + int alive; + int status; + ErlDrvEvent input_event; + ErlDrvEvent output_event; + struct aiocb aiocb; + FmHandle handle; + char *install_handle; +} *driver_data; /* indexed by fd */ + +struct async { + SIGSELECT signo; + ErlDrvTermData port; + ErlDrvTermData proc; + PROCESS spid; + PROCESS target; + Uint32 ref; +}; + +static ErtsSysReportExit *report_exit_list; +static ERTS_INLINE void report_exit_status(ErtsSysReportExit *rep, int status); + +extern int driver_interrupt(int, int); +extern void do_break(void); + +extern void erl_sys_args(int*, char**); + +/* The following two defs should probably be moved somewhere else */ + +extern void erts_sys_init_float(void); + +extern void erl_crash_dump(char* file, int line, char* fmt, ...); + +#define DIR_SEPARATOR_CHAR '/' + +#if defined(DEBUG) +#define ERL_BUILD_TYPE_MARKER ".debug" +#else /* opt */ +#define ERL_BUILD_TYPE_MARKER +#endif + +#define CHILD_SETUP_PROG_NAME "child_setup" ERL_BUILD_TYPE_MARKER + +#ifdef DEBUG +static int debug_log = 0; +#endif + +#ifdef ERTS_SMP +static erts_smp_atomic32_t have_prepared_crash_dump; +#define ERTS_PREPARED_CRASH_DUMP \ + ((int) erts_smp_atomic32_xchg_nob(&have_prepared_crash_dump, 1)) +#else +static volatile int have_prepared_crash_dump; +#define ERTS_PREPARED_CRASH_DUMP \ + (have_prepared_crash_dump++) +#endif + +static erts_smp_atomic_t sys_misc_mem_sz; + +#if defined(ERTS_SMP) +erts_mtx_t chld_stat_mtx; +#endif + +#if defined(ERTS_SMP) /* ------------------------------------------------- */ +#define CHLD_STAT_LOCK erts_mtx_lock(&chld_stat_mtx) +#define CHLD_STAT_UNLOCK erts_mtx_unlock(&chld_stat_mtx) + +#else /* ------------------------------------------------------------------- */ +#define CHLD_STAT_LOCK +#define CHLD_STAT_UNLOCK +static volatile int children_died; +#endif + +#define SET_AIO(REQ,FD,SIZE,BUFF) \ + memset(&(REQ),0,sizeof(REQ)); \ + (REQ).aio_fildes = FD; \ + (REQ).aio_offset = FM_POSITION_CURRENT; \ + (REQ).aio_nbytes = SIZE; \ + (REQ).aio_buf = BUFF; \ + (REQ).aio_sigevent.sigev_notify = SIGEV_NONE + +/* the first sizeof(struct aiocb *) bytes of the write buffer + * will contain the pointer to the aiocb struct, this needs + * to be freed between asynchronous writes. + * A write of 0 bytes is ignored. */ +#define WRITE_AIO(FD,SIZE,BUFF) do { \ + if (SIZE > 0) { \ + struct aiocb *write_req = driver_alloc(sizeof(struct aiocb)); \ + char *write_buff = driver_alloc((sizeof(char)*SIZE)+1+ \ + (sizeof(struct aiocb *))); \ + *(struct aiocb **)write_buff = (struct aiocb *)write_req; \ + write_buff += sizeof(struct aiocb *); \ + memcpy(write_buff,BUFF,SIZE+1); \ + SET_AIO(*write_req,FD,SIZE,write_buff); \ + aio_write(write_req); \ + } \ +} while(0) + +/* free the write_buffer and write_req + * created in the WRITE_AIO() request macro */ +#define FREE_AIO(ptr) do { \ + struct aiocb *aiocb_ptr; \ + char *buffer_ptr; \ + aiocb_ptr = *(struct aiocb **)((ptr)-sizeof(struct aiocb *)); \ + buffer_ptr = (((char*)ptr)-sizeof(struct aiocb *)); \ + driver_free(aiocb_ptr); \ + driver_free(buffer_ptr); \ +} while(0) + +/* When we have several schedulers, we need to make sure + * that scheduler issuing aio_dispatch() is the owner on the signal */ +#define DISPATCH_AIO(sig) do { \ + restore(sig); \ + aio_dispatch(sig); \ + } while(0) + + +/* debug print macros */ +#define DEBUG_RES 0 + +#ifdef DEBUG_RES +#define DEBUG_CHECK_RES(actual, expected) \ + do { \ + if (actual != expected ) { \ + ramlog_printf("Result check failed" \ + " got: 0x%08x expected:0x%08x\nat: %s:%d\n", \ + actual, expected, __FILE__, __LINE__); \ + abort(); /* This might perhaps be too harsh? */ \ + } \ + } while(0) +#else +#define DEBUG_CHECK_RES +#endif + +static struct fd_data { + char pbuf[4]; /* hold partial packet bytes */ + int psz; /* size of pbuf */ + char *buf; + char *cpos; + int sz; + int remain; /* for input on fd */ +} *fd_data; /* indexed by fd */ + +/********************* General functions ****************************/ + +/* This is used by both the drivers and general I/O, must be set early */ +static int max_files = -1; + +/* + * a few variables used by the break handler + */ +#ifdef ERTS_SMP +erts_smp_atomic32_t erts_break_requested; +#define ERTS_SET_BREAK_REQUESTED \ + erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 1) +#define ERTS_UNSET_BREAK_REQUESTED \ + erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 0) +#else +volatile int erts_break_requested = 0; +#define ERTS_SET_BREAK_REQUESTED (erts_break_requested = 1) +#define ERTS_UNSET_BREAK_REQUESTED (erts_break_requested = 0) +#endif +/* set early so the break handler has access to initial mode */ +static struct termios initial_tty_mode; +static int replace_intr = 0; +/* assume yes initially, ttsl_init will clear it */ +int using_oldshell = 1; +static PROCESS get_signal_proxy_pid(void); + +static void +init_check_io(void) +{ + erts_init_check_io(); + max_files = erts_check_io_max_files(); +} + +#ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT +#define ERTS_CHK_IO_AS_INTR() erts_check_io_async_sig_interrupt() +#else +#define ERTS_CHK_IO_AS_INTR() erts_check_io_interrupt(1) +#endif +#define ERTS_CHK_IO_INTR erts_check_io_interrupt +#define ERTS_CHK_IO_INTR_TMD erts_check_io_interrupt_timed +#define ERTS_CHK_IO erts_check_io +#define ERTS_CHK_IO_SZ erts_check_io_size + + +void +erts_sys_schedule_interrupt(int set) +{ + ERTS_CHK_IO_INTR(set); +} + +#ifdef ERTS_SMP +void +erts_sys_schedule_interrupt_timed(int set, erts_short_time_t msec) +{ + ERTS_CHK_IO_INTR_TMD(set, msec); +} +#endif + +Uint +erts_sys_misc_mem_sz(void) +{ + Uint res = ERTS_CHK_IO_SZ(); + res += erts_smp_atomic_read_mb(&sys_misc_mem_sz); + return res; +} + +/* + * reset the terminal to the original settings on exit + */ +void sys_tty_reset(int exit_code) +{ + if (using_oldshell && !replace_intr) { + SET_BLOCKING(0); + } + else if (isatty(0)) { + tcsetattr(0,TCSANOW,&initial_tty_mode); + } +} + +#ifdef USE_THREADS + +typedef struct { + int sched_bind_data; +} erts_thr_create_data_t; + +/* + * thr_create_prepare() is called in parent thread before thread creation. + * Returned value is passed as argument to thr_create_cleanup(). + */ +static void * +thr_create_prepare(void) +{ + erts_thr_create_data_t *tcdp; + + tcdp = erts_alloc(ERTS_ALC_T_TMP, sizeof(erts_thr_create_data_t)); + + tcdp->sched_bind_data = erts_sched_bind_atthrcreate_prepare(); + + return (void *) tcdp; +} + + +/* thr_create_cleanup() is called in parent thread after thread creation. */ +static void +thr_create_cleanup(void *vtcdp) +{ + erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp; + + erts_sched_bind_atthrcreate_parent(tcdp->sched_bind_data); + + erts_free(ERTS_ALC_T_TMP, tcdp); +} + +static void +thr_create_prepare_child(void *vtcdp) +{ + erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp; + +#ifdef ERTS_ENABLE_LOCK_COUNT + erts_lcnt_thread_setup(); +#endif + + erts_sched_bind_atthrcreate_child(tcdp->sched_bind_data); +} + +#endif /* #ifdef USE_THREADS */ + +void +erts_sys_pre_init(void) +{ + erts_printf_add_cr_to_stdout = 1; + erts_printf_add_cr_to_stderr = 1; +#ifdef USE_THREADS + { + erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER; + + eid.thread_create_child_func = thr_create_prepare_child; + /* Before creation in parent */ + eid.thread_create_prepare_func = thr_create_prepare; + /* After creation in parent */ + eid.thread_create_parent_func = thr_create_cleanup, + + erts_thr_init(&eid); + + report_exit_list = NULL; + +#ifdef ERTS_ENABLE_LOCK_COUNT + erts_lcnt_init(); +#endif + +#if defined(ERTS_SMP) + erts_mtx_init(&chld_stat_mtx, "child_status"); +#endif + } +#ifdef ERTS_SMP + erts_smp_atomic32_init_nob(&erts_break_requested, 0); + erts_smp_atomic32_init_nob(&have_prepared_crash_dump, 0); +#else + erts_break_requested = 0; + have_prepared_crash_dump = 0; +#endif +#if !defined(ERTS_SMP) + children_died = 0; +#endif +#endif /* USE_THREADS */ + erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0); +} + +void +erl_sys_init(void) +{ + +#ifdef USE_SETLINEBUF + setlinebuf(stdout); +#else + setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ); +#endif + + erts_sys_init_float(); + + /* we save this so the break handler can set and reset it properly */ + /* also so that we can reset on exit (break handler or not) */ + if (isatty(0)) { + tcgetattr(0,&initial_tty_mode); + } + tzset(); /* Required at least for NetBSD with localtime_r() */ +} + +static ERTS_INLINE int +prepare_crash_dump(int secs) +{ +#define NUFBUF (3) + int i, max; + char env[21]; /* enough to hold any 64-bit integer */ + size_t envsz; + /*DeclareTmpHeapNoproc(heap,NUFBUF);*/ + /*Eterm *hp = heap;*/ + /*Eterm list = NIL;*/ + int has_heart = 0; + + UseTmpHeapNoproc(NUFBUF); + + if (ERTS_PREPARED_CRASH_DUMP) + return 0; /* We have already been called */ + + + /* Positive secs means an alarm must be set + * 0 or negative means no alarm + * + * Set alarm before we try to write to a port + * we don't want to hang on a port write with + * no alarm. + * + */ + +#if 0 /*ose TBD!!!*/ + if (secs >= 0) { + alarm((unsigned int)secs); + } +#endif + + /* Make sure we unregister at epmd (unknown fd) and get at least + one free filedescriptor (for erl_crash.dump) */ + + max = max_files; + if (max < 1024) + max = 1024; + for (i = 3; i < max; i++) { + close(i); + } + + envsz = sizeof(env); + i = erts_sys_getenv__("ERL_CRASH_DUMP_NICE", env, &envsz); + if (i >= 0) { + int nice_val; + nice_val = i != 0 ? 0 : atoi(env); + if (nice_val > 39) { + nice_val = 39; + } + set_pri(nice_val); + } + + UnUseTmpHeapNoproc(NUFBUF); +#undef NUFBUF + return has_heart; +} + +int erts_sys_prepare_crash_dump(int secs) +{ + return prepare_crash_dump(secs); +} + +static ERTS_INLINE void +break_requested(void) +{ + /* + * just set a flag - checked for and handled by + * scheduler threads erts_check_io() (not signal handler). + */ +#ifdef DEBUG + fprintf(stderr,"break!\n"); +#endif + if (ERTS_BREAK_REQUESTED) + erl_exit(ERTS_INTR_EXIT, ""); + + ERTS_SET_BREAK_REQUESTED; + ERTS_CHK_IO_AS_INTR(); /* Make sure we don't sleep in poll */ +} + +/* Disable break */ +void erts_set_ignore_break(void) { + +} + +/* Don't use ctrl-c for break handler but let it be + used by the shell instead (see user_drv.erl) */ +void erts_replace_intr(void) { + struct termios mode; + + if (isatty(0)) { + tcgetattr(0, &mode); + + /* here's an example of how to replace ctrl-c with ctrl-u */ + /* mode.c_cc[VKILL] = 0; + mode.c_cc[VINTR] = CKILL; */ + + mode.c_cc[VINTR] = 0; /* disable ctrl-c */ + tcsetattr(0, TCSANOW, &mode); + replace_intr = 1; + } +} + +void init_break_handler(void) +{ + +} + +int sys_max_files(void) +{ + return(max_files); +} + + +/************************** OS info *******************************/ + +/* Used by erlang:info/1. */ +/* (This code was formerly in drv.XXX/XXX_os_drv.c) */ + +char os_type[] = "ose"; + +void +os_flavor(char* namebuf, /* Where to return the name. */ + unsigned size) /* Size of name buffer. */ +{ +#if 0 + struct utsname uts; /* Information about the system. */ + char* s; + + (void) uname(&uts); + for (s = uts.sysname; *s; s++) { + if (isupper((int) *s)) { + *s = tolower((int) *s); + } + } + strcpy(namebuf, uts.sysname); +#else + strncpy(namebuf, "release", size); +#endif +} + +void +os_version(pMajor, pMinor, pBuild) +int* pMajor; /* Pointer to major version. */ +int* pMinor; /* Pointer to minor version. */ +int* pBuild; /* Pointer to build number. */ +{ + *pMajor = 5; + *pMinor = 7; + *pBuild = 0; +} + +void init_getenv_state(GETENV_STATE *state) +{ + erts_smp_rwmtx_rlock(&environ_rwmtx); + *state = NULL; +} + +char **environ; /*ose - needs replacement*/ + +char *getenv_string(GETENV_STATE *state0) +{ + char **state = (char **) *state0; + char *cp; + + ERTS_SMP_LC_ASSERT(erts_smp_lc_rwmtx_is_rlocked(&environ_rwmtx)); + + if (state == NULL) + state = environ; + + cp = *state++; + *state0 = (GETENV_STATE) state; + + return cp; +} + +void fini_getenv_state(GETENV_STATE *state) +{ + *state = NULL; + erts_smp_rwmtx_runlock(&environ_rwmtx); +} + + +/************************** Port I/O *******************************/ + +/* I. Common stuff */ + +union SIGNAL { + SIGSELECT sig_no; + struct FmReadPtr fm_read_reply; + struct FmWritePtr fm_write_reply; + struct async async; +}; + +/* II. The spawn/fd drivers */ + +/* + * Decreasing the size of it below 16384 is not allowed. + */ +#define ERTS_SYS_READ_BUF_SZ (64*1024) + +/* Driver interfaces */ +static ErlDrvData spawn_start(ErlDrvPort, char*, SysDriverOpts*); +static ErlDrvData fd_start(ErlDrvPort, char*, SysDriverOpts*); +static ErlDrvSSizeT fd_control(ErlDrvData, unsigned int, char *, ErlDrvSizeT, + char **, ErlDrvSizeT); +static int spawn_init(void); +static void fd_stop(ErlDrvData); +static void erl_stop(ErlDrvData); +static void ready_input(ErlDrvData, ErlDrvEvent); +static void ready_output(ErlDrvData, ErlDrvEvent); +static void output(ErlDrvData, char*, ErlDrvSizeT); +static void stop_select(ErlDrvEvent, void*); + +static PROCESS +get_signal_proxy_pid(void) { + union SIGNAL *sig; + SIGSELECT any_sig[] = {0}; + + if (!sig_proxy_pid) { + sig = alloc(sizeof(union SIGNAL), ERTS_SIGNAL_OSE_DRV_ATTACH); + hunt("ose_signal_driver_proxy", 0, NULL, &sig); + sig = receive(any_sig); + sig_proxy_pid = sender(&sig); + free_buf(&sig); + } + ASSERT(sig_proxy_pid); + return sig_proxy_pid; +} + +static ErlDrvOseEventId +resolve_signal(union SIGNAL* sig) { + switch(sig->sig_no) { + + case FM_READ_PTR_REPLY: + return (ErlDrvOseEventId)sig->fm_read_reply.handle; + + case FM_WRITE_PTR_REPLY: + return (ErlDrvOseEventId)sig->fm_write_reply.handle; + + case ERTS_SIGNAL_OSE_DRV_ATTACH: + return (ErlDrvOseEventId)sig->async.target; + + default: + break; + } + return (ErlDrvOseEventId)-1; +} + +struct erl_drv_entry spawn_driver_entry = { + spawn_init, + spawn_start, + erl_stop, + output, + ready_input, + ready_output, + "spawn", + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + ERL_DRV_EXTENDED_MARKER, + ERL_DRV_EXTENDED_MAJOR_VERSION, + ERL_DRV_EXTENDED_MINOR_VERSION, + ERL_DRV_FLAG_USE_PORT_LOCKING, + NULL, NULL, + stop_select +}; +struct erl_drv_entry fd_driver_entry = { + NULL, + fd_start, + fd_stop, + output, + ready_input, + ready_output, + "fd", + NULL, + NULL, + fd_control, + NULL, + NULL, + NULL, /* ready_async */ + NULL, /* flush */ + NULL, /* call */ + NULL, /* event */ + ERL_DRV_EXTENDED_MARKER, + ERL_DRV_EXTENDED_MAJOR_VERSION, + ERL_DRV_EXTENDED_MINOR_VERSION, + 0, /* ERL_DRV_FLAGs */ + NULL, /* handle2 */ + NULL, /* process_exit */ + stop_select +}; + +static void +set_spawn_fd(int local_fd, int remote_fd, PROCESS remote_pid) { + PROCESS vm_pid; + FmHandle handle; + char env_val[55]; + char env_name[10]; + EfsStatus efs_res; + + /* get pid of pipevm and handle of chosen fd */ + efs_res = efs_examine_fd(local_fd, FLIB_FD_VMPID, &vm_pid, 0); + DEBUG_CHECK_RES(efs_res, EFS_SUCCESS); + + /* setup the file descriptor to buffer per line */ + efs_res = efs_config_fd(local_fd, FLIB_FD_BUFMODE, FM_BUFF_LINE, + FLIB_FD_BUFSIZE, 80, 0); + DEBUG_CHECK_RES(efs_res, EFS_SUCCESS); + + /* duplicate handle and set spawn pid owner */ + efs_res = efs_dup_to(local_fd, remote_pid, &handle); + DEBUG_CHECK_RES(efs_res, EFS_SUCCESS); + + sprintf(env_name, "FD%d", remote_fd); + + /* Syntax of the environment variable: + * "FD#" "<pid of pipevm>,<handle>,<buffer mode>,<buff size>,<omode>" */ + sprintf(env_val, "0x%lx,0x%lx,%lu,%lu,0x%x", + vm_pid, handle, + FM_BUFF_LINE, 80, + O_APPEND); + + set_env(remote_pid, env_name, env_val); +} + +static ErlDrvData +set_driver_data(ErlDrvPort port_num, + int ifd, + int ofd, + int packet_bytes, + int read_write, + int exit_status, + PROCESS pid) +{ + Port *prt; + ErtsSysReportExit *report_exit; + + prt = erts_drvport2port(port_num); + if (prt != ERTS_INVALID_ERL_DRV_PORT) { + prt->os_pid = pid; + } + + /* READ */ + if (read_write & DO_READ) { + efs_examine_fd(ifd, FLIB_FD_HANDLE, &driver_data[ifd].handle, 0); + driver_data[ifd].ifd = ifd; + driver_data[ifd].packet_bytes = packet_bytes; + driver_data[ifd].port_num = port_num; + driver_data[ifd].pid = pid; + + /* async read struct */ + memset(&driver_data[ifd].aiocb, 0, sizeof(struct aiocb)); + driver_data[ifd].aiocb.aio_buf = driver_alloc(255); + driver_data[ifd].aiocb.aio_fildes = ifd; + driver_data[ifd].aiocb.aio_nbytes = 255; + + driver_data[ifd].alive = 1; + driver_data[ifd].status = 0; + driver_data[ifd].input_event = + erl_drv_ose_event_alloc(FM_READ_PTR_REPLY, + driver_data[ifd].handle, resolve_signal, + &driver_data[ifd].ifd); + + /* READ & WRITE */ + if (read_write & DO_WRITE) { + driver_data[ifd].ofd = ofd; + efs_examine_fd(ofd, FLIB_FD_HANDLE, &driver_data[ofd].handle, 0); + + driver_data[ifd].output_event = + erl_drv_ose_event_alloc(FM_WRITE_PTR_REPLY, + driver_data[ofd].handle, resolve_signal, + &driver_data[ofd].ofd); + driver_data[ofd].pid = pid; + if (ifd != ofd) { + driver_data[ofd] = driver_data[ifd]; + driver_data[ofd].aiocb.aio_buf = NULL; + } + } + else { /* READ ONLY */ + driver_data[ifd].ofd = -1; + } + + /* enable input event */ + (void) driver_select(port_num, driver_data[ifd].input_event, + (ERL_DRV_READ | ERL_DRV_USE), 1); + + aio_read(&driver_data[ifd].aiocb); + } + else { /* WRITE ONLY */ + efs_examine_fd(ofd, FLIB_FD_HANDLE, &driver_data[ofd].handle, 0); + driver_data[ofd].packet_bytes = packet_bytes; + driver_data[ofd].port_num = port_num; + driver_data[ofd].ofd = ofd; + driver_data[ofd].pid = pid; + driver_data[ofd].alive = 1; + driver_data[ofd].status = 0; + driver_data[ofd].output_event = + erl_drv_ose_event_alloc(FM_WRITE_PTR_REPLY, driver_data[ofd].handle, + resolve_signal, &driver_data[ofd].ofd); + driver_data[ofd].input_event = driver_data[ofd].output_event; + } + + /* this is used for spawned load modules, and is needed + * to properly uninstall them */ + if (exit_status) { + struct PmProgramInfo *info; + int install_handle_size; + union SIGNAL *sig; + PmStatus pm_status; + report_exit = erts_alloc(ERTS_ALC_T_PRT_REP_EXIT, + sizeof(ErtsSysReportExit)); + report_exit->next = report_exit_list; + report_exit->port = erts_drvport2id(port_num); + report_exit->pid = pid; + report_exit->ifd = (read_write & DO_READ) ? ifd : -1; + report_exit->ofd = (read_write & DO_WRITE) ? ofd : -1; + report_exit_list = report_exit; + report_exit->attach_event = + erl_drv_ose_event_alloc(ERTS_SIGNAL_OSE_DRV_ATTACH, pid, + resolve_signal, &driver_data[ifd].ifd); + + /* setup ifd and ofd report exit */ + driver_data[ifd].report_exit = report_exit; + driver_data[ofd].report_exit = report_exit; + + pm_status = ose_pm_program_info(pid, &info); + DEBUG_CHECK_RES(pm_status, PM_SUCCESS); + + install_handle_size = strlen(info->install_handle)+1; + driver_data[ifd].install_handle = driver_alloc(install_handle_size); + strcpy(driver_data[ifd].install_handle, + info->install_handle); + + free_buf((union SIGNAL **)&info); + + sig = alloc(sizeof(struct async), ERTS_SIGNAL_OSE_DRV_ATTACH); + sig->async.target = pid; + send(&sig, get_signal_proxy_pid()); + + /* this event will trigger when we receive an attach signal + * from the recently dead load module */ + (void)driver_select(port_num,report_exit->attach_event, DO_READ, 1); + } + else { + report_exit = NULL; + } + + /* the return value is the pointer to the driver_data struct we created + * in this function, it will be used in the drivers input + * and output functions */ + return (ErlDrvData)((!(read_write & DO_READ) && read_write & DO_WRITE) + ? &driver_data[ofd] + : &driver_data[ifd]); +} + +static int spawn_init() +{ + int i; + + driver_data = (struct driver_data *) + erts_alloc(ERTS_ALC_T_DRV_TAB, max_files * sizeof(struct driver_data)); + erts_smp_atomic_add_nob(&sys_misc_mem_sz, + max_files * sizeof(struct driver_data)); + + for (i = 0; i < max_files; i++) + driver_data[i].pid = -1; + + return 1; +} + +static void +init_fd_data(int fd, ErlDrvPort port_num) +{ + fd_data[fd].buf = NULL; + fd_data[fd].cpos = NULL; + fd_data[fd].remain = 0; + fd_data[fd].sz = 0; + fd_data[fd].psz = 0; +} + +/* FIXME write a decent text on pipes on ose */ +static ErlDrvData +spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts) +{ + int ifd[2]; + int ofd[2]; + static uint32_t ticker = 0; + PmStatus pm_status; + OSDOMAIN domain = PM_NEW_DOMAIN; + PROCESS progpid, mainbid, mainpid; + char *handle = NULL; + struct PmProgramInfo *info; + char *args = NULL; + char *tmp_handle; + ErlDrvData res = (ErlDrvData)-1; + int handle_size; + char *ptr; + + /* handle arguments */ + ptr = strchr(name, ' '); + if (ptr != NULL) { + *ptr ='\0'; + ptr++; + args = ptr; + } + else { + args = NULL; + } + + /* create an install handle */ + ptr = strrchr(name, '/'); + if (ptr != NULL) { + ptr++; + tmp_handle = ptr; + } + else { + tmp_handle = name; + } + handle_size = strlen(tmp_handle)+1; + handle_size += (ticker<10)?3:((ticker<100)?4:5); + + handle = driver_alloc(handle_size); + snprintf(handle, handle_size, "%s_%d", tmp_handle, ticker); + + do { + snprintf(handle, handle_size, "%s_%d", tmp_handle, ticker++); + pm_status = ose_pm_install_load_module(0, "ELF", name, handle, + 0, 0, NULL); + + } while (pm_status == PM_EINSTALL_HANDLE_ALREADY_INSTALLED); + DEBUG_CHECK_RES(pm_status, PM_SUCCESS); + + /* Create Program */ + pm_status = ose_pm_create_program(&domain, handle, 0, 0, + NULL, &progpid, &mainbid); + DEBUG_CHECK_RES(pm_status, PM_SUCCESS); + + /* Get the mainpid from the newly created program */ + pm_status = ose_pm_program_info(progpid, &info); + DEBUG_CHECK_RES(pm_status, PM_SUCCESS); + + mainpid = info->main_process; + free_buf ((union SIGNAL **)&info); + + /* pipevm needs to be started + * pipe will return 0 if success, -1 if not, + * errno will be set */ + if (pipe(ifd) != 0 || pipe(ofd) != 0) { + DEBUG_CHECK_RES(0, -1); + ASSERT(0); + } + + /* setup driver data */ + res = set_driver_data(port_num, ofd[0], ifd[1], opts->packet_bytes, + opts->read_write, 1 /* opts->exit_status */, progpid); + + /* init the fd_data array for read/write */ + init_fd_data(ofd[0], port_num); + init_fd_data(ifd[1], port_num); + + /* setup additional configurations + * for the spawned applications environment */ + if (args != NULL) { + set_env(progpid, "ARGV", args); + } + set_env(mainbid, "EFS_RESOLVE_TMO", 0); + set_spawn_fd(ifd[0], 0, mainpid); + set_spawn_fd(ofd[1], 1, mainpid); + set_spawn_fd(ofd[1], 2, mainpid); + + /* start the spawned program */ + pm_status = ose_pm_start_program(mainbid); + DEBUG_CHECK_RES(pm_status, PM_SUCCESS); + + /* close unused fd's */ + close(ifd[0]); + close(ofd[1]); + + if (handle) { + driver_free(handle); + } + + return (ErlDrvData)res; +} + +#define FD_DEF_HEIGHT 24 +#define FD_DEF_WIDTH 80 +/* Control op */ +#define FD_CTRL_OP_GET_WINSIZE 100 + +static int fd_get_window_size(int fd, Uint32 *width, Uint32 *height) +{ +#ifdef TIOCGWINSZ + struct winsize ws; + if (ioctl(fd,TIOCGWINSZ,&ws) == 0) { + *width = (Uint32) ws.ws_col; + *height = (Uint32) ws.ws_row; + return 0; + } +#endif + return -1; +} + +static ErlDrvSSizeT fd_control(ErlDrvData drv_data, + unsigned int command, + char *buf, ErlDrvSizeT len, + char **rbuf, ErlDrvSizeT rlen) +{ + struct driver_data *data = (struct driver_data *)drv_data; + char resbuff[2*sizeof(Uint32)]; + switch (command) { + case FD_CTRL_OP_GET_WINSIZE: + { + Uint32 w,h; + if (fd_get_window_size(data->ifd,&w,&h)) + return 0; + memcpy(resbuff,&w,sizeof(Uint32)); + memcpy(resbuff+sizeof(Uint32),&h,sizeof(Uint32)); + } + break; + default: + return 0; + } + if (rlen < 2*sizeof(Uint32)) { + *rbuf = driver_alloc(2*sizeof(Uint32)); + } + memcpy(*rbuf,resbuff,2*sizeof(Uint32)); + return 2*sizeof(Uint32); +} + +static ErlDrvData fd_start(ErlDrvPort port_num, char* name, + SysDriverOpts* opts) +{ + ErlDrvData res; + + CHLD_STAT_LOCK; + if (opts->read_write & DO_READ) { + init_fd_data(opts->ifd, port_num); + } + if (opts->read_write & DO_WRITE) { + init_fd_data(opts->ofd, port_num); + } + res = set_driver_data(port_num, opts->ifd, opts->ofd, + opts->packet_bytes, + opts->read_write, 0, -1); + CHLD_STAT_UNLOCK; + return res; +} + +static void clear_fd_data(int fd) +{ + if (fd_data[fd].sz > 0) { + erts_free(ERTS_ALC_T_FD_ENTRY_BUF, (void *) fd_data[fd].buf); + ASSERT(erts_smp_atomic_read_nob(&sys_misc_mem_sz) >= fd_data[fd].sz); + erts_smp_atomic_add_nob(&sys_misc_mem_sz, -1*fd_data[fd].sz); + } + fd_data[fd].buf = NULL; + fd_data[fd].sz = 0; + fd_data[fd].remain = 0; + fd_data[fd].cpos = NULL; + fd_data[fd].psz = 0; +} + +static void nbio_stop_fd(ErlDrvPort prt, ErlDrvEvent ev) +{ + int *fd; + driver_select(prt,ev,DO_READ|DO_WRITE,0); + erl_drv_ose_event_fetch(ev, NULL, NULL, (void **)&fd); + clear_fd_data(*fd); + SET_BLOCKING(*fd); +} + +static void fd_stop(ErlDrvData drv_data) /* Does not close the fds */ +{ + struct driver_data *data = (struct driver_data *)drv_data; + + if (data->ofd != -1) { + if (data->ifd != data->ofd) { /* read and write */ + nbio_stop_fd(data->port_num, data->input_event); + nbio_stop_fd(data->port_num, data->output_event); + } + else { /* write only */ + nbio_stop_fd(data->port_num, data->output_event); + } + } + else { /* read only */ + nbio_stop_fd(data->port_num, data->input_event); + } +} + + +static void erl_stop(ErlDrvData drv_data) +{ + struct driver_data *data = (struct driver_data *)drv_data; + + CHLD_STAT_LOCK; + data->pid = -1; + CHLD_STAT_UNLOCK; + + if (data->ofd != -1) { + if (data->ifd != data->ofd) { /* read and write */ + nbio_stop_fd(data->port_num, data->input_event); + nbio_stop_fd(data->port_num, data->output_event); + driver_select(data->port_num, data->input_event, ERL_DRV_USE, 0); + driver_select(data->port_num, data->output_event, ERL_DRV_USE, 0); + } + else { /* write only */ + nbio_stop_fd(data->port_num, data->output_event); + driver_select(data->port_num, data->output_event, ERL_DRV_USE, 0); + } + } + else { /* read only */ + nbio_stop_fd(data->port_num, data->input_event); + driver_select(data->port_num, data->input_event, ERL_DRV_USE, 0); + } + close(data->ifd); + close(data->ofd); +} + +/* The parameter e is a pointer to the driver_data structure + * related to the fd to be used as output */ +static void output(ErlDrvData drv_data, char* buf, ErlDrvSizeT len) +{ + ErlDrvSizeT sz; + char lb[4]; + char* lbp; + struct driver_data *data = (struct driver_data *)drv_data; + + if (((data->packet_bytes == 2) && + (len > 0xffff)) || (data->packet_bytes == 1 && len > 0xff)) { + driver_failure_posix(data->port_num, EINVAL); + return; /* -1; */ + } + put_int32(len, lb); + lbp = lb + (4-(data->packet_bytes)); + + if ((sz = driver_sizeq(data->port_num)) > 0) { + driver_enq(data->port_num, lbp, data->packet_bytes); + driver_enq(data->port_num, buf, len); + if (sz + len + data->packet_bytes >= (1 << 13)) + set_busy_port(data->port_num, 1); + } + else { + driver_enq(data->port_num, buf, len); /* n is the skip value */ + + driver_select(data->port_num, data->output_event, + ERL_DRV_WRITE|ERL_DRV_USE, 1); + + WRITE_AIO(data->ofd, len, buf); + } + return; /* 0; */ +} + +/* This function is being run when we in recieve + * either a read of 0 bytes, or the attach signal from a dying + * spawned load module */ +static int port_inp_failure(ErlDrvPort port_num, ErlDrvEvent ready_fd, int res) + /* Result: 0 (eof) or -1 (error) */ +{ + int *fd; + SIGSELECT sig_no; + ASSERT(res <= 0); + + erl_drv_ose_event_fetch(ready_fd,&sig_no, NULL, (void **)&fd); + + /* As we need to handle two signals, we do this in two steps */ + if (driver_data[*fd].alive) { + report_exit_status(driver_data[*fd].report_exit, 0); /* status? */ + } + else { + clear_fd_data(*fd); + driver_report_exit(driver_data[*fd].port_num, driver_data[*fd].status); + /* As we do not really know if the spawn has crashed or exited nicely + * we do not check the result status of the following call.. FIXME + * can we handle this in a better way? */ + ose_pm_uninstall_load_module(driver_data[*fd].install_handle); + driver_free(driver_data[*fd].install_handle); + driver_free((void *)driver_data[*fd].aiocb.aio_buf); + + close(*fd); + } + + return 0; +} + +/* The parameter e is a pointer to the driver_data structure + * related to the fd to be used as output. + * ready_fd is the event that triggered this call to ready_input */ +static void ready_input(ErlDrvData drv_data, ErlDrvEvent ready_fd) +{ + int res; + Uint h; + char *buf; + union SIGNAL *sig; + struct driver_data *data = (struct driver_data *)drv_data; + + sig = erl_drv_ose_get_signal(ready_fd); + ASSERT(sig); + + + while (sig) { + /* If we've recieved an attach signal, we need to handle + * it in port_inp_failure */ + if (sig->sig_no == ERTS_SIGNAL_OSE_DRV_ATTACH) { + port_inp_failure(data->port_num, ready_fd, 0); + } + else { + res = sig->fm_read_reply.actual; + + if (data->packet_bytes == 0) { + if (res < 0) { + if ((errno != EINTR) && (errno != ERRNO_BLOCK)) { + port_inp_failure(data->port_num, ready_fd, res); + } + } + else if (res == 0) { + /* read of 0 bytes, eof, otherside of pipe is assumed dead */ + port_inp_failure(data->port_num, ready_fd, res); + } + else { + buf = driver_alloc(res); + memcpy(buf, (void *)data->aiocb.aio_buf, res); + driver_select(data->port_num, data->output_event, + ERL_DRV_WRITE|ERL_DRV_USE, 1); + driver_output(data->port_num, (char*) buf, res); + driver_free(buf); + } + } + /* We try to read the remainder */ + else if (fd_data[data->ifd].remain > 0) { + if (res < 0) { + if ((errno != EINTR) && (errno != ERRNO_BLOCK)) { + port_inp_failure(data->port_num, ready_fd, res); + } + } + else if (res == 0) { + port_inp_failure(data->port_num, ready_fd, res); + } + else if (res == fd_data[data->ifd].remain) { /* we're done */ + driver_output(data->port_num, + fd_data[data->ifd].buf, + fd_data[data->ifd].sz); + clear_fd_data(data->ifd); + } + else { /* if (res < fd_data[fd].remain) */ + fd_data[data->ifd].cpos += res; + fd_data[data->ifd].remain -= res; + } + } + else if (fd_data[data->ifd].remain == 0) { /* clean fd */ + if (res < 0) { + if ((errno != EINTR) && (errno != ERRNO_BLOCK)) { + port_inp_failure(data->port_num, ready_fd, res); + } + } + else if (res == 0) { /* eof */ + port_inp_failure(data->port_num, ready_fd, res); + } + else if (res < data->packet_bytes - fd_data[data->ifd].psz) { + memcpy(fd_data[data->ifd].pbuf+fd_data[data->ifd].psz, + (void *)data->aiocb.aio_buf, res); + fd_data[data->ifd].psz += res; + } + else { /* if (res >= packet_bytes) */ + unsigned char* cpos = (unsigned char*)data->aiocb.aio_buf; + int bytes_left = res; + + while (1) { + int psz = fd_data[data->ifd].psz; + char* pbp = fd_data[data->ifd].pbuf + psz; + + while (bytes_left && (psz < data->packet_bytes)) { + *pbp++ = *cpos++; + bytes_left--; + psz++; + } + + if (psz < data->packet_bytes) { + fd_data[data->ifd].psz = psz; + break; + } + fd_data[data->ifd].psz = 0; + + switch (data->packet_bytes) { + case 1: h = get_int8(fd_data[data->ifd].pbuf); break; + case 2: h = get_int16(fd_data[data->ifd].pbuf); break; + case 4: h = get_int32(fd_data[data->ifd].pbuf); break; + default: ASSERT(0); return; /* -1; */ + } + + if (h <= (bytes_left)) { + driver_output(data->port_num, (char*) cpos, h); + cpos += h; + bytes_left -= h; + continue; + } + else { /* The last message we got was split */ + char *buf = erts_alloc_fnf(ERTS_ALC_T_FD_ENTRY_BUF, h); + if (!buf) { + errno = ENOMEM; + port_inp_failure(data->port_num, ready_fd, -1); + } + else { + erts_smp_atomic_add_nob(&sys_misc_mem_sz, h); + sys_memcpy(buf, cpos, bytes_left); + fd_data[data->ifd].buf = buf; + fd_data[data->ifd].sz = h; + fd_data[data->ifd].remain = h - bytes_left; + fd_data[data->ifd].cpos = buf + bytes_left; + } + break; + } + } + } + } + + /* reset the read buffer and init next asynch read */ + DISPATCH_AIO(sig); + memset((void *)data->aiocb.aio_buf, 0, 255); + + if (res > 0) { + aio_read(&data->aiocb); + } + } + sig = erl_drv_ose_get_signal(ready_fd); + } +} + + +/* The parameter e is a pointer to the driver_data structure + * related to the fd to be used as output. + * ready_fd is the event that triggered this call to ready_input */ +static void ready_output(ErlDrvData drv_data, ErlDrvEvent ready_fd) +{ + SysIOVec *iov; + int vlen; + int res; + union SIGNAL *sig; + struct driver_data *data = (struct driver_data *)drv_data; + + sig = erl_drv_ose_get_signal(ready_fd); + ASSERT(sig); + + while (sig != NULL) { + if (sig->fm_write_reply.actual <= 0) { + int status; + + status = efs_status_to_errno(sig->fm_write_reply.status); + driver_select(data->port_num, ready_fd, ERL_DRV_WRITE, 0); + DISPATCH_AIO(sig); + FREE_AIO(sig->fm_write_reply.buffer); + + driver_failure_posix(data->port_num, status); + } + else { /* written bytes > 0 */ + iov = driver_peekq(data->port_num, &vlen); + if (vlen > 0) { + DISPATCH_AIO(sig); + FREE_AIO(sig->fm_write_reply.buffer); + res = driver_deq(data->port_num, iov[0].iov_len); + if (res > 0) { + iov = driver_peekq(data->port_num, &vlen); + WRITE_AIO(data->ofd, iov[0].iov_len, iov[0].iov_base); + } + } + } + sig = erl_drv_ose_get_signal(ready_fd); + } +} + +static void stop_select(ErlDrvEvent ready_fd, void* _) +{ + int *fd; + erl_drv_ose_event_fetch(ready_fd, NULL, NULL, (void **)&fd); + erl_drv_ose_event_free(ready_fd); + close(*fd); +} + + +void erts_do_break_handling(void) +{ + struct termios temp_mode; + int saved = 0; + + /* + * Most functions that do_break() calls are intentionally not thread safe; + * therefore, make sure that all threads but this one are blocked before + * proceeding! + */ + erts_smp_thr_progress_block(); + + /* during break we revert to initial settings */ + /* this is done differently for oldshell */ + if (using_oldshell && !replace_intr) { + SET_BLOCKING(1); + } + else if (isatty(0)) { + tcgetattr(0,&temp_mode); + tcsetattr(0,TCSANOW,&initial_tty_mode); + saved = 1; + } + + /* call the break handling function, reset the flag */ + do_break(); + + fflush(stdout); + + /* after break we go back to saved settings */ + if (using_oldshell && !replace_intr) { + SET_NONBLOCKING(1); + } + else if (saved) { + tcsetattr(0,TCSANOW,&temp_mode); + } + + erts_smp_thr_progress_unblock(); +} + +static pid_t +getpid(void) +{ + return get_bid(current_process()); +} + +int getpagesize(void) +{ + return 1024; +} + + +/* Fills in the systems representation of the jam/beam process identifier. +** The Pid is put in STRING representation in the supplied buffer, +** no interpretatione of this should be done by the rest of the +** emulator. The buffer should be at least 21 bytes long. +*/ +void sys_get_pid(char *buffer, size_t buffer_size){ + pid_t p = getpid(); + /* Assume the pid is scalar and can rest in an unsigned long... */ + erts_snprintf(buffer, buffer_size, "%lu",(unsigned long) p); +} + +int +erts_sys_putenv_raw(char *key, char *value) { + return erts_sys_putenv(key, value); +} +int +erts_sys_putenv(char *key, char *value) +{ + int res; + + erts_smp_rwmtx_rwlock(&environ_rwmtx); + res = set_env(get_bid(current_process()), key, + value); + erts_smp_rwmtx_rwunlock(&environ_rwmtx); + return res; +} + + +int +erts_sys_unsetenv(char *key) +{ + int res; + + erts_smp_rwmtx_rwlock(&environ_rwmtx); + res = set_env(get_bid(current_process()),key,NULL); + erts_smp_rwmtx_rwunlock(&environ_rwmtx); + + return res; +} + +int +erts_sys_getenv__(char *key, char *value, size_t *size) +{ + int res; + char *orig_value = get_env(get_bid(current_process()), key); + if (!orig_value) + res = -1; + else { + size_t len = sys_strlen(orig_value); + if (len >= *size) { + *size = len + 1; + res = 1; + } + else { + *size = len; + sys_memcpy((void *) value, (void *) orig_value, len+1); + res = 0; + } + free_buf((union SIGNAL **)&orig_value); + } + return res; +} + +int +erts_sys_getenv_raw(char *key, char *value, size_t *size) { + return erts_sys_getenv(key, value, size); +} + +/* + * erts_sys_getenv + * returns: + * -1, if environment key is not set with a value + * 0, if environment key is set and value fits into buffer res + * 1, if environment key is set but does not fit into buffer res + * res is set with the needed buffer res value + */ + +int +erts_sys_getenv(char *key, char *value, size_t *size) +{ + int res; + erts_smp_rwmtx_rlock(&environ_rwmtx); + res = erts_sys_getenv__(key, value, size); + erts_smp_rwmtx_runlock(&environ_rwmtx); + return res; +} + +void +sys_init_io(void) +{ + fd_data = (struct fd_data *) + erts_alloc(ERTS_ALC_T_FD_TAB, max_files * sizeof(struct fd_data)); + erts_smp_atomic_add_nob(&sys_misc_mem_sz, + max_files * sizeof(struct fd_data)); +} + +extern const char pre_loaded_code[]; +extern Preload pre_loaded[]; + +void erts_sys_alloc_init(void) +{ +} + +void *erts_sys_alloc(ErtsAlcType_t t, void *x, Uint sz) +{ + void *res = malloc((size_t) sz); +#if HAVE_ERTS_MSEG + if (!res) { + erts_mseg_clear_cache(); + return malloc((size_t) sz); + } +#endif + return res; +} + +void *erts_sys_realloc(ErtsAlcType_t t, void *x, void *p, Uint sz) +{ + void *res = realloc(p, (size_t) sz); +#if HAVE_ERTS_MSEG + if (!res) { + erts_mseg_clear_cache(); + return realloc(p, (size_t) sz); + } +#endif + return res; +} + +void erts_sys_free(ErtsAlcType_t t, void *x, void *p) +{ + free(p); +} + +/* Return a pointer to a vector of names of preloaded modules */ + +Preload* +sys_preloaded(void) +{ + return pre_loaded; +} + +/* Return a pointer to preloaded code for module "module" */ +unsigned char* +sys_preload_begin(Preload* p) +{ + return p->code; +} + +/* Clean up if allocated */ +void sys_preload_end(Preload* p) +{ + /* Nothing */ +} + +/* Read a key from console (?) */ + +int sys_get_key(fd) +int fd; +{ + int c; + unsigned char rbuf[64]; + + fflush(stdout); /* Flush query ??? */ + + if ((c = read(fd,rbuf,64)) <= 0) { + return c; + } + + return rbuf[0]; +} + + +#ifdef DEBUG + +extern int erts_initialized; +void +erl_assert_error(const char* expr, const char* func, + const char* file, int line) +{ + fflush(stdout); + fprintf(stderr, "%s:%d:%s() Assertion failed: %s\n", + file, func, line, expr); + fflush(stderr); + ramlog_printf("%s:%d:%s() Assertion failed: %s\n", + file, func, line, expr); + + abort(); +} + +void +erl_debug(char* fmt, ...) +{ + char sbuf[1024]; /* Temporary buffer. */ + va_list va; + + if (debug_log) { + va_start(va, fmt); + vsprintf(sbuf, fmt, va); + va_end(va); + fprintf(stderr, "%s", sbuf); + } +} + +#endif /* DEBUG */ + +static ERTS_INLINE void +report_exit_status(ErtsSysReportExit *rep, int status) +{ + if (rep->ifd >= 0) { + driver_data[rep->ifd].alive = 0; + driver_data[rep->ifd].status = status; + } + if (rep->ofd >= 0) { + driver_data[rep->ofd].alive = 0; + driver_data[rep->ofd].status = status; + } + + erts_free(ERTS_ALC_T_PRT_REP_EXIT, rep); +} + +#define ERTS_REPORT_EXIT_STATUS report_exit_status + +/* + * Called from schedule() when it runs out of runnable processes, + * or when Erlang code has performed INPUT_REDUCTIONS reduction + * steps. runnable == 0 iff there are no runnable Erlang processes. + */ +void +erl_sys_schedule(int runnable) +{ + ASSERT(get_fsem(current_process()) == 0); +#ifdef ERTS_SMP + ASSERT(erts_get_scheduler_data()->no == 1); + ERTS_CHK_IO(!runnable); +#else + ERTS_CHK_IO( 1 ); +#endif + ASSERT(get_fsem(current_process()) == 0); + ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); +} + + +#ifdef ERTS_SMP + +void +erts_sys_main_thread(void) +{ + erts_thread_disable_fpe(); + + /* Become signal receiver thread... */ +#ifdef ERTS_ENABLE_LOCK_CHECK + erts_lc_set_thread_name("signal_receiver"); +#endif + + while (1) { + static const SIGSELECT sigsel[] = {0}; + union SIGNAL *msg = receive(sigsel); + + fprintf(stderr,"Main thread got message %d from 0x%x!!\r\n", + msg->sig_no, sender(&msg)); + free_buf(&msg); + } +} + +#endif /* ERTS_SMP */ + +void +erl_sys_args(int* argc, char** argv) +{ + int i, j; + + erts_smp_rwmtx_init(&environ_rwmtx, "environ"); + + init_check_io(); + + /* Handled arguments have been marked with NULL. Slide arguments + not handled towards the beginning of argv. */ + for (i = 0, j = 0; i < *argc; i++) { + if (argv[i]) + argv[j++] = argv[i]; + } + *argc = j; + +} diff --git a/erts/emulator/sys/ose/sys_float.c b/erts/emulator/sys/ose/sys_float.c new file mode 100644 index 0000000000..d9d6bb7c04 --- /dev/null +++ b/erts/emulator/sys/ose/sys_float.c @@ -0,0 +1,844 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2001-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sys.h" +#include "global.h" +#include "erl_process.h" + + +#ifdef NO_FPE_SIGNALS + +void +erts_sys_init_float(void) +{ +# ifdef SIGFPE + sys_sigset(SIGFPE, SIG_IGN); /* Ignore so we can test for NaN and Inf */ +# endif +} + +#else /* !NO_FPE_SIGNALS */ + +#ifdef ERTS_SMP +static erts_tsd_key_t fpe_key; + +/* once-only initialisation early in the main thread (via erts_sys_init_float()) */ +static void erts_init_fp_exception(void) +{ + /* XXX: the wrappers prevent using a pthread destructor to + deallocate the key's value; so when/where do we do that? */ + erts_tsd_key_create(&fpe_key); +} + +void erts_thread_init_fp_exception(void) +{ + unsigned long *fpe = erts_alloc(ERTS_ALC_T_FP_EXCEPTION, sizeof(*fpe)); + *fpe = 0L; + erts_tsd_set(fpe_key, fpe); +} + +static ERTS_INLINE volatile unsigned long *erts_thread_get_fp_exception(void) +{ + return (volatile unsigned long*)erts_tsd_get(fpe_key); +} +#else /* !SMP */ +#define erts_init_fp_exception() /*empty*/ +static volatile unsigned long fp_exception; +#define erts_thread_get_fp_exception() (&fp_exception) +#endif /* SMP */ + +volatile unsigned long *erts_get_current_fp_exception(void) +{ + Process *c_p; + + c_p = erts_get_current_process(); + if (c_p) + return &c_p->fp_exception; + return erts_thread_get_fp_exception(); +} + +static void set_current_fp_exception(unsigned long pc) +{ + volatile unsigned long *fpexnp = erts_get_current_fp_exception(); + ASSERT(fpexnp != NULL); + *fpexnp = pc; +} + +void erts_fp_check_init_error(volatile unsigned long *fpexnp) +{ + char buf[64]; + snprintf(buf, sizeof buf, "ERTS_FP_CHECK_INIT at %p: detected unhandled FPE at %p\r\n", + __builtin_return_address(0), (void*)*fpexnp); + if (write(2, buf, strlen(buf)) <= 0) + erl_exit(ERTS_ABORT_EXIT, "%s", buf); + *fpexnp = 0; +#if defined(__i386__) || defined(__x86_64__) + erts_restore_fpu(); +#endif +} + +/* Is there no standard identifier for Darwin/MacOSX ? */ +#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) +#define __DARWIN__ 1 +#endif + +#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) + +static void unmask_x87(void) +{ + unsigned short cw; + + __asm__ __volatile__("fstcw %0" : "=m"(cw)); + cw &= ~(0x01|0x04|0x08); /* unmask IM, ZM, OM */ + __asm__ __volatile__("fldcw %0" : : "m"(cw)); +} + +/* mask x87 FPE, return true if the previous state was unmasked */ +static int mask_x87(void) +{ + unsigned short cw; + int unmasked; + + __asm__ __volatile__("fstcw %0" : "=m"(cw)); + unmasked = (cw & (0x01|0x04|0x08)) == 0; + /* or just set cw = 0x37f */ + cw |= (0x01|0x04|0x08); /* mask IM, ZM, OM */ + __asm__ __volatile__("fldcw %0" : : "m"(cw)); + return unmasked; +} + +static void unmask_sse2(void) +{ + unsigned int mxcsr; + + __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr)); + mxcsr &= ~(0x003F|0x0680); /* clear exn flags, unmask OM, ZM, IM (not PM, UM, DM) */ + __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr)); +} + +/* mask SSE2 FPE, return true if the previous state was unmasked */ +static int mask_sse2(void) +{ + unsigned int mxcsr; + int unmasked; + + __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr)); + unmasked = (mxcsr & 0x0680) == 0; + /* or just set mxcsr = 0x1f80 */ + mxcsr &= ~0x003F; /* clear exn flags */ + mxcsr |= 0x0680; /* mask OM, ZM, IM (not PM, UM, DM) */ + __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr)); + return unmasked; +} + +#if defined(__x86_64__) + +static inline int cpu_has_sse2(void) { return 1; } + +#else /* !__x86_64__ */ + +/* + * Check if an x86-32 processor has SSE2. + */ +static unsigned int xor_eflags(unsigned int mask) +{ + unsigned int eax, edx; + + eax = mask; /* eax = mask */ + __asm__("pushfl\n\t" + "popl %0\n\t" /* edx = original EFLAGS */ + "xorl %0, %1\n\t" /* eax = mask ^ EFLAGS */ + "pushl %1\n\t" + "popfl\n\t" /* new EFLAGS = mask ^ original EFLAGS */ + "pushfl\n\t" + "popl %1\n\t" /* eax = new EFLAGS */ + "xorl %0, %1\n\t" /* eax = new EFLAGS ^ old EFLAGS */ + "pushl %0\n\t" + "popfl" /* restore original EFLAGS */ + : "=d"(edx), "=a"(eax) + : "1"(eax)); + return eax; +} + +static __inline__ unsigned int cpuid_eax(unsigned int op) +{ + unsigned int eax, save_ebx; + + /* In PIC mode i386 reserves EBX. So we must save + and restore it ourselves to not upset gcc. */ + __asm__( + "movl %%ebx, %1\n\t" + "cpuid\n\t" + "movl %1, %%ebx" + : "=a"(eax), "=m"(save_ebx) + : "0"(op) + : "cx", "dx"); + return eax; +} + +static __inline__ unsigned int cpuid_edx(unsigned int op) +{ + unsigned int eax, edx, save_ebx; + + /* In PIC mode i386 reserves EBX. So we must save + and restore it ourselves to not upset gcc. */ + __asm__( + "movl %%ebx, %2\n\t" + "cpuid\n\t" + "movl %2, %%ebx" + : "=a"(eax), "=d"(edx), "=m"(save_ebx) + : "0"(op) + : "cx"); + return edx; +} + +/* The AC bit, bit #18, is a new bit introduced in the EFLAGS + * register on the Intel486 processor to generate alignment + * faults. This bit cannot be set on the Intel386 processor. + */ +static __inline__ int is_386(void) +{ + return ((xor_eflags(1<<18) >> 18) & 1) == 0; +} + +/* Newer x86 processors have a CPUID instruction, as indicated by + * the ID bit (#21) in EFLAGS being modifiable. + */ +static __inline__ int has_CPUID(void) +{ + return (xor_eflags(1<<21) >> 21) & 1; +} + +static int cpu_has_sse2(void) +{ + unsigned int maxlev, features; + static int has_sse2 = -1; + + if (has_sse2 >= 0) + return has_sse2; + has_sse2 = 0; + + if (is_386()) + return 0; + if (!has_CPUID()) + return 0; + maxlev = cpuid_eax(0); + /* Intel A-step Pentium had a preliminary version of CPUID. + It also didn't have SSE2. */ + if ((maxlev & 0xFFFFFF00) == 0x0500) + return 0; + /* If max level is zero then CPUID cannot report any features. */ + if (maxlev == 0) + return 0; + features = cpuid_edx(1); + has_sse2 = (features & (1 << 26)) != 0; + + return has_sse2; +} +#endif /* !__x86_64__ */ + +static void unmask_fpe(void) +{ + __asm__ __volatile__("fnclex"); + unmask_x87(); + if (cpu_has_sse2()) + unmask_sse2(); +} + +static void unmask_fpe_conditional(int unmasked) +{ + if (unmasked) + unmask_fpe(); +} + +/* mask x86 FPE, return true if the previous state was unmasked */ +static int mask_fpe(void) +{ + int unmasked; + + unmasked = mask_x87(); + if (cpu_has_sse2()) + unmasked |= mask_sse2(); + return unmasked; +} + +void erts_restore_fpu(void) +{ + __asm__ __volatile__("fninit"); + unmask_x87(); + if (cpu_has_sse2()) + unmask_sse2(); +} + +#elif defined(__sparc__) && defined(__linux__) + +#if defined(__arch64__) +#define LDX "ldx" +#define STX "stx" +#else +#define LDX "ld" +#define STX "st" +#endif + +static void unmask_fpe(void) +{ + unsigned long fsr; + + __asm__(STX " %%fsr, %0" : "=m"(fsr)); + fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */ + fsr |= (0x1AUL << 23); /* enable NV, OF, DZ exceptions */ + __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr)); +} + +static void unmask_fpe_conditional(int unmasked) +{ + if (unmasked) + unmask_fpe(); +} + +/* mask SPARC FPE, return true if the previous state was unmasked */ +static int mask_fpe(void) +{ + unsigned long fsr; + int unmasked; + + __asm__(STX " %%fsr, %0" : "=m"(fsr)); + unmasked = ((fsr >> 23) & 0x1A) == 0x1A; + fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */ + __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr)); + return unmasked; +} + +#elif (defined(__powerpc__) && defined(__linux__)) || (defined(__ppc__) && defined(__DARWIN__)) + +#if defined(__linux__) +#include <sys/prctl.h> + +static void set_fpexc_precise(void) +{ + if (prctl(PR_SET_FPEXC, PR_FP_EXC_PRECISE) < 0) { + perror("PR_SET_FPEXC"); + exit(1); + } +} + +#elif defined(__DARWIN__) + +#include <mach/mach.h> +#include <pthread.h> + +/* + * FE0 FE1 MSR bits + * 0 0 floating-point exceptions disabled + * 0 1 floating-point imprecise nonrecoverable + * 1 0 floating-point imprecise recoverable + * 1 1 floating-point precise mode + * + * Apparently: + * - Darwin 5.5 (MacOS X <= 10.1) starts with FE0 == FE1 == 0, + * and resets FE0 and FE1 to 0 after each SIGFPE. + * - Darwin 6.0 (MacOS X 10.2) starts with FE0 == FE1 == 1, + * and does not reset FE0 or FE1 after a SIGFPE. + */ +#define FE0_MASK (1<<11) +#define FE1_MASK (1<<8) + +/* a thread cannot get or set its own MSR bits */ +static void *fpu_fpe_enable(void *arg) +{ + thread_t t = *(thread_t*)arg; + struct ppc_thread_state state; + unsigned int state_size = PPC_THREAD_STATE_COUNT; + + if (thread_get_state(t, PPC_THREAD_STATE, (natural_t*)&state, &state_size) != KERN_SUCCESS) { + perror("thread_get_state"); + exit(1); + } + if ((state.srr1 & (FE1_MASK|FE0_MASK)) != (FE1_MASK|FE0_MASK)) { +#if 1 + /* This would also have to be performed in the SIGFPE handler + to work around the MSR reset older Darwin releases do. */ + state.srr1 |= (FE1_MASK|FE0_MASK); + thread_set_state(t, PPC_THREAD_STATE, (natural_t*)&state, state_size); +#else + fprintf(stderr, "srr1 == 0x%08x, your Darwin is too old\n", state.srr1); + exit(1); +#endif + } + return NULL; /* Ok, we appear to be on Darwin 6.0 or later */ +} + +static void set_fpexc_precise(void) +{ + thread_t self = mach_thread_self(); + pthread_t enabler; + + if (pthread_create(&enabler, NULL, fpu_fpe_enable, &self)) { + perror("pthread_create"); + } else if (pthread_join(enabler, NULL)) { + perror("pthread_join"); + } +} + +#endif + +static void set_fpscr(unsigned int fpscr) +{ + union { + double d; + unsigned int fpscr[2]; + } u; + + u.fpscr[0] = 0xFFF80000; + u.fpscr[1] = fpscr; + __asm__ __volatile__("mtfsf 255,%0" : : "f"(u.d)); +} + +static unsigned int get_fpscr(void) +{ + union { + double d; + unsigned int fpscr[2]; + } u; + + __asm__("mffs %0" : "=f"(u.d)); + return u.fpscr[1]; +} + +static void unmask_fpe(void) +{ + set_fpexc_precise(); + set_fpscr(0x80|0x40|0x10); /* VE, OE, ZE; not UE or XE */ +} + +static void unmask_fpe_conditional(int unmasked) +{ + if (unmasked) + unmask_fpe(); +} + +/* mask PowerPC FPE, return true if the previous state was unmasked */ +static int mask_fpe(void) +{ + int unmasked; + + unmasked = (get_fpscr() & (0x80|0x40|0x10)) == (0x80|0x40|0x10); + set_fpscr(0x00); + return unmasked; +} + +#else + +static void unmask_fpe(void) +{ + fpsetmask(FP_X_INV | FP_X_OFL | FP_X_DZ); +} + +static void unmask_fpe_conditional(int unmasked) +{ + if (unmasked) + unmask_fpe(); +} + +/* mask IEEE FPE, return true if previous state was unmasked */ +static int mask_fpe(void) +{ + const fp_except unmasked_mask = FP_X_INV | FP_X_OFL | FP_X_DZ; + fp_except old_mask; + + old_mask = fpsetmask(0); + return (old_mask & unmasked_mask) == unmasked_mask; +} + +#endif + +#if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || ((defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__)) + +#if defined(__linux__) && defined(__i386__) +#if !defined(X86_FXSR_MAGIC) +#define X86_FXSR_MAGIC 0x0000 +#endif +#elif defined(__FreeBSD__) && defined(__x86_64__) +#include <sys/types.h> +#include <machine/fpu.h> +#elif defined(__FreeBSD__) && defined(__i386__) +#include <sys/types.h> +#include <machine/npx.h> +#elif defined(__DARWIN__) +#include <machine/signal.h> +#elif defined(__OpenBSD__) && defined(__x86_64__) +#include <sys/types.h> +#include <machine/fpu.h> +#endif +#if !(defined(__OpenBSD__) && defined(__x86_64__)) +#include <ucontext.h> +#endif +#include <string.h> + +#if defined(__linux__) && defined(__x86_64__) +#define mc_pc(mc) ((mc)->gregs[REG_RIP]) +#elif defined(__linux__) && defined(__i386__) +#define mc_pc(mc) ((mc)->gregs[REG_EIP]) +#elif defined(__DARWIN__) && defined(__i386__) +#ifdef DARWIN_MODERN_MCONTEXT +#define mc_pc(mc) ((mc)->__ss.__eip) +#else +#define mc_pc(mc) ((mc)->ss.eip) +#endif +#elif defined(__DARWIN__) && defined(__x86_64__) +#ifdef DARWIN_MODERN_MCONTEXT +#define mc_pc(mc) ((mc)->__ss.__rip) +#else +#define mc_pc(mc) ((mc)->ss.rip) +#endif +#elif defined(__FreeBSD__) && defined(__x86_64__) +#define mc_pc(mc) ((mc)->mc_rip) +#elif defined(__FreeBSD__) && defined(__i386__) +#define mc_pc(mc) ((mc)->mc_eip) +#elif defined(__NetBSD__) && defined(__x86_64__) +#define mc_pc(mc) ((mc)->__gregs[_REG_RIP]) +#elif defined(__NetBSD__) && defined(__i386__) +#define mc_pc(mc) ((mc)->__gregs[_REG_EIP]) +#elif defined(__OpenBSD__) && defined(__x86_64__) +#define mc_pc(mc) ((mc)->sc_rip) +#elif defined(__sun__) && defined(__x86_64__) +#define mc_pc(mc) ((mc)->gregs[REG_RIP]) +#endif + +static void fpe_sig_action(int sig, siginfo_t *si, void *puc) +{ + ucontext_t *uc = puc; + unsigned long pc; + +#if defined(__linux__) +#if defined(__x86_64__) + mcontext_t *mc = &uc->uc_mcontext; + fpregset_t fpstate = mc->fpregs; + pc = mc_pc(mc); + /* A failed SSE2 instruction will restart. To avoid + looping we mask SSE2 exceptions now and unmask them + again later in erts_check_fpe()/erts_restore_fpu(). + On RISCs we update PC to skip the failed instruction, + but the ever increasing complexity of the x86 instruction + set encoding makes that a poor solution here. */ + fpstate->mxcsr = 0x1F80; + fpstate->swd &= ~0xFF; +#elif defined(__i386__) + mcontext_t *mc = &uc->uc_mcontext; + fpregset_t fpstate = mc->fpregs; + pc = mc_pc(mc); + if ((fpstate->status >> 16) == X86_FXSR_MAGIC) + ((struct _fpstate*)fpstate)->mxcsr = 0x1F80; + fpstate->sw &= ~0xFF; +#elif defined(__sparc__) && defined(__arch64__) + /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ + struct sigcontext *sc = (struct sigcontext*)puc; + pc = sc->sigc_regs.tpc; + sc->sigc_regs.tpc = sc->sigc_regs.tnpc; + sc->sigc_regs.tnpc += 4; +#elif defined(__sparc__) + /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ + struct sigcontext *sc = (struct sigcontext*)puc; + pc = sc->si_regs.pc; + sc->si_regs.pc = sc->si_regs.npc; + sc->si_regs.npc = (unsigned long)sc->si_regs.npc + 4; +#elif defined(__powerpc__) +#if defined(__powerpc64__) + mcontext_t *mc = &uc->uc_mcontext; + unsigned long *regs = &mc->gp_regs[0]; +#else + mcontext_t *mc = uc->uc_mcontext.uc_regs; + unsigned long *regs = &mc->gregs[0]; +#endif + pc = regs[PT_NIP]; + regs[PT_NIP] += 4; + regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ +#endif +#elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__)) +#ifdef DARWIN_MODERN_MCONTEXT + mcontext_t mc = uc->uc_mcontext; + pc = mc_pc(mc); + mc->__fs.__fpu_mxcsr = 0x1F80; + *(unsigned short *)&mc->__fs.__fpu_fsw &= ~0xFF; +#else + mcontext_t mc = uc->uc_mcontext; + pc = mc_pc(mc); + mc->fs.fpu_mxcsr = 0x1F80; + *(unsigned short *)&mc->fs.fpu_fsw &= ~0xFF; +#endif /* DARWIN_MODERN_MCONTEXT */ +#elif defined(__DARWIN__) && defined(__ppc__) + mcontext_t mc = uc->uc_mcontext; + pc = mc->ss.srr0; + mc->ss.srr0 += 4; + mc->fs.fpscr = 0x80|0x40|0x10; +#elif defined(__FreeBSD__) && defined(__x86_64__) + mcontext_t *mc = &uc->uc_mcontext; + struct savefpu *savefpu = (struct savefpu*)&mc->mc_fpstate; + struct envxmm *envxmm = &savefpu->sv_env; + pc = mc_pc(mc); + envxmm->en_mxcsr = 0x1F80; + envxmm->en_sw &= ~0xFF; +#elif defined(__FreeBSD__) && defined(__i386__) + mcontext_t *mc = &uc->uc_mcontext; + union savefpu *savefpu = (union savefpu*)&mc->mc_fpstate; + pc = mc_pc(mc); + if (mc->mc_fpformat == _MC_FPFMT_XMM) { + struct envxmm *envxmm = &savefpu->sv_xmm.sv_env; + envxmm->en_mxcsr = 0x1F80; + envxmm->en_sw &= ~0xFF; + } else { + struct env87 *env87 = &savefpu->sv_87.sv_env; + env87->en_sw &= ~0xFF; + } +#elif defined(__NetBSD__) && defined(__x86_64__) + mcontext_t *mc = &uc->uc_mcontext; + struct fxsave64 *fxsave = (struct fxsave64 *)&mc->__fpregs; + pc = mc_pc(mc); + fxsave->fx_mxcsr = 0x1F80; + fxsave->fx_fsw &= ~0xFF; +#elif defined(__NetBSD__) && defined(__i386__) + mcontext_t *mc = &uc->uc_mcontext; + pc = mc_pc(mc); + if (uc->uc_flags & _UC_FXSAVE) { + struct envxmm *envxmm = (struct envxmm *)&mc->__fpregs; + envxmm->en_mxcsr = 0x1F80; + envxmm->en_sw &= ~0xFF; + } else { + struct env87 *env87 = (struct env87 *)&mc->__fpregs; + env87->en_sw &= ~0xFF; + } +#elif defined(__OpenBSD__) && defined(__x86_64__) + struct fxsave64 *fxsave = uc->sc_fpstate; + pc = mc_pc(uc); + fxsave->fx_mxcsr = 0x1F80; + fxsave->fx_fsw &= ~0xFF; +#elif defined(__sun__) && defined(__x86_64__) + mcontext_t *mc = &uc->uc_mcontext; + struct fpchip_state *fpstate = &mc->fpregs.fp_reg_set.fpchip_state; + pc = mc_pc(mc); + fpstate->mxcsr = 0x1F80; + fpstate->sw &= ~0xFF; +#endif +#if 0 + { + char buf[64]; + snprintf(buf, sizeof buf, "%s: FPE at %p\r\n", __FUNCTION__, (void*)pc); + write(2, buf, strlen(buf)); + } +#endif + set_current_fp_exception(pc); +} + +static void erts_thread_catch_fp_exceptions(void) +{ + struct sigaction act; + memset(&act, 0, sizeof act); + act.sa_sigaction = fpe_sig_action; + act.sa_flags = SA_SIGINFO; + sigaction(SIGFPE, &act, NULL); + unmask_fpe(); +} + +#else /* !((__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */ + +static void fpe_sig_handler(int sig) +{ + set_current_fp_exception(1); /* XXX: convert to sigaction so we can get the trap PC */ +} + +static void erts_thread_catch_fp_exceptions(void) +{ + sys_sigset(SIGFPE, fpe_sig_handler); + unmask_fpe(); +} + +#endif /* (__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */ + +/* once-only initialisation early in the main thread */ +void erts_sys_init_float(void) +{ + erts_init_fp_exception(); + erts_thread_catch_fp_exceptions(); + erts_printf_block_fpe = erts_sys_block_fpe; + erts_printf_unblock_fpe = erts_sys_unblock_fpe; +} + +#endif /* NO_FPE_SIGNALS */ + +void erts_thread_init_float(void) +{ +#ifdef ERTS_SMP + /* This allows Erlang schedulers to leave Erlang-process context + and still have working FP exceptions. XXX: is this needed? */ + erts_thread_init_fp_exception(); +#endif + +#ifndef NO_FPE_SIGNALS + /* NOTE: + * erts_thread_disable_fpe() is called in all threads at + * creation. We at least need to call unmask_fpe() + */ +#if defined(__DARWIN__) || defined(__FreeBSD__) + /* Darwin (7.9.0) does not appear to propagate FP exception settings + to a new thread from its parent. So if we want FP exceptions, we + must manually re-enable them in each new thread. + FreeBSD 6.1 appears to suffer from a similar issue. */ + erts_thread_catch_fp_exceptions(); +#else + unmask_fpe(); +#endif + +#endif +} + +void erts_thread_disable_fpe(void) +{ +#if !defined(NO_FPE_SIGNALS) + (void)mask_fpe(); +#endif +} + +#if !defined(NO_FPE_SIGNALS) +int erts_sys_block_fpe(void) +{ + return mask_fpe(); +} + +void erts_sys_unblock_fpe(int unmasked) +{ + unmask_fpe_conditional(unmasked); +} +#endif + +/* The following check is incorporated from the Vee machine */ + +#define ISDIGIT(d) ((d) >= '0' && (d) <= '9') + +/* + ** Convert a double to ascii format 0.dddde[+|-]ddd + ** return number of characters converted or -1 if error. + ** + ** These two functions should maybe use localeconv() to pick up + ** the current radix character, but since it is uncertain how + ** expensive such a system call is, and since no-one has heard + ** of other radix characters than '.' and ',' an ad-hoc + ** low execution time solution is used instead. + */ + +int +sys_double_to_chars_ext(double fp, char *buffer, size_t buffer_size, size_t decimals) +{ + char *s = buffer; + + if (erts_snprintf(buffer, buffer_size, "%.*e", decimals, fp) >= buffer_size) + return -1; + /* Search upto decimal point */ + if (*s == '+' || *s == '-') s++; + while (ISDIGIT(*s)) s++; + if (*s == ',') *s++ = '.'; /* Replace ',' with '.' */ + /* Scan to end of string */ + while (*s) s++; + return s-buffer; /* i.e strlen(buffer) */ +} + +/* Float conversion */ + +int +sys_chars_to_double(char* buf, double* fp) +{ +#ifndef NO_FPE_SIGNALS + volatile unsigned long *fpexnp = erts_get_current_fp_exception(); +#endif + char *s = buf, *t, *dp; + + /* Robert says that something like this is what he really wanted: + * (The [.,] radix test is NOT what Robert wanted - it was added later) + * + * 7 == sscanf(Tbuf, "%[+-]%[0-9][.,]%[0-9]%[eE]%[+-]%[0-9]%s", ....); + * if (*s2 == 0 || *s3 == 0 || *s4 == 0 || *s6 == 0 || *s7) + * break; + */ + + /* Scan string to check syntax. */ + if (*s == '+' || *s == '-') s++; + if (!ISDIGIT(*s)) /* Leading digits. */ + return -1; + while (ISDIGIT(*s)) s++; + if (*s != '.' && *s != ',') /* Decimal part. */ + return -1; + dp = s++; /* Remember decimal point pos just in case */ + if (!ISDIGIT(*s)) + return -1; + while (ISDIGIT(*s)) s++; + if (*s == 'e' || *s == 'E') { + /* There is an exponent. */ + s++; + if (*s == '+' || *s == '-') s++; + if (!ISDIGIT(*s)) + return -1; + while (ISDIGIT(*s)) s++; + } + if (*s) /* That should be it */ + return -1; + +#ifdef NO_FPE_SIGNALS + errno = 0; +#endif + __ERTS_FP_CHECK_INIT(fpexnp); + *fp = strtod(buf, &t); + __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1); + if (t != s) { /* Whole string not scanned */ + /* Try again with other radix char */ + *dp = (*dp == '.') ? ',' : '.'; + errno = 0; + __ERTS_FP_CHECK_INIT(fpexnp); + *fp = strtod(buf, &t); + __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1); + } + +#ifdef NO_FPE_SIGNALS + if (errno == ERANGE) { + if (*fp == HUGE_VAL || *fp == -HUGE_VAL) { + /* overflow, should give error */ + return -1; + } else if (t == s && *fp == 0.0) { + /* This should give 0.0 - OTP-7178 */ + errno = 0; + + } else if (*fp == 0.0) { + return -1; + } + } +#endif + return 0; +} + +int +matherr(struct exception *exc) +{ +#if !defined(NO_FPE_SIGNALS) + volatile unsigned long *fpexnp = erts_get_current_fp_exception(); + if (fpexnp != NULL) + *fpexnp = (unsigned long)__builtin_return_address(0); +#endif + return 1; +} diff --git a/erts/emulator/sys/ose/sys_time.c b/erts/emulator/sys/ose/sys_time.c new file mode 100644 index 0000000000..7e96f68424 --- /dev/null +++ b/erts/emulator/sys/ose/sys_time.c @@ -0,0 +1,56 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2005-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sys.h" +#include "global.h" + +/******************* Routines for time measurement *********************/ + +int erts_ticks_per_sec = 0; /* Will be SYS_CLK_TCK in erl_unix_sys.h */ + +int sys_init_time(void) +{ + return SYS_CLOCK_RESOLUTION; +} + +clock_t sys_times(SysTimes *now) { + now->tms_utime = now->tms_stime = now->tms_cutime = now->tms_cstime = 0; + return 0; +} + +static OSTICK last_tick_count = 0; +static SysHrTime wrap = 0; +static OSTICK us_per_tick; + +void sys_init_hrtime() { + us_per_tick = system_tick(); +} + +SysHrTime sys_gethrtime() { + OSTICK ticks = get_ticks(); + if (ticks < (SysHrTime) last_tick_count) { + wrap += 1ULL << 32; + } + last_tick_count = ticks; + return ((((SysHrTime) ticks) + wrap) * 1000*us_per_tick); +} diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h index 2c47aa06c2..176fc049a7 100644 --- a/erts/emulator/sys/unix/erl_unix_sys.h +++ b/erts/emulator/sys/unix/erl_unix_sys.h @@ -127,6 +127,11 @@ # endif #endif +/* + * Min number of async threads + */ +#define ERTS_MIN_NO_OF_ASYNC_THREADS 0 + /* File descriptors are numbers anc consecutively allocated on Unix */ #define ERTS_SYS_CONTINOUS_FD_NUMBERS diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index a5294ad84e..865cb50a56 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -2561,7 +2561,7 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size) #ifdef HAVE_POSIX_MEMALIGN void *ptr = NULL; int error; - ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */ error = posix_memalign(&ptr, (size_t) alignment, (size_t) size); #if HAVE_ERTS_MSEG if (error || !ptr) { @@ -2584,7 +2584,7 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size) void erts_sys_aligned_free(UWord alignment, void *ptr) { - ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */ free(ptr); } diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 689be98969..cafeab547e 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -46,7 +46,7 @@ static void erts_init_fp_exception(void) { /* XXX: the wrappers prevent using a pthread destructor to deallocate the key's value; so when/where do we do that? */ - erts_tsd_key_create(&fpe_key); + erts_tsd_key_create(&fpe_key,"fp_exception"); } void erts_thread_init_fp_exception(void) diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h index 0deb097b1a..8015e8f378 100644 --- a/erts/emulator/sys/win32/erl_win_sys.h +++ b/erts/emulator/sys/win32/erl_win_sys.h @@ -103,6 +103,10 @@ #define CreateAutoEvent(state) CreateEvent(NULL, FALSE, state, NULL) #define CreateManualEvent(state) CreateEvent(NULL, TRUE, state, NULL) +/* + * Min number of async threads + */ +#define ERTS_MIN_NO_OF_ASYNC_THREADS 0 /* * Our own type of "FD's" diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c index 5ea4703a7a..0ded6b274e 100755 --- a/erts/emulator/sys/win32/sys.c +++ b/erts/emulator/sys/win32/sys.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * Copyright Ericsson AB 1996-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -2757,7 +2757,7 @@ void erts_sys_free(ErtsAlcType_t t, void *x, void *p) void *erts_sys_aligned_alloc(UWord alignment, UWord size) { void *ptr; - ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */ ptr = _aligned_malloc((size_t) size, (size_t) alignment); ASSERT(!ptr || (((UWord) ptr) & (alignment - 1)) == 0); return ptr; @@ -2765,14 +2765,14 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size) void erts_sys_aligned_free(UWord alignment, void *ptr) { - ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */ _aligned_free(ptr); } void *erts_sys_aligned_realloc(UWord alignment, void *ptr, UWord size, UWord old_size) { void *new_ptr; - ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */ new_ptr = _aligned_realloc(ptr, (size_t) size, (size_t) alignment); ASSERT(!new_ptr || (((UWord) new_ptr) & (alignment - 1)) == 0); return new_ptr; @@ -3197,7 +3197,7 @@ void erl_sys_init(void) noinherit_std_handle(STD_ERROR_HANDLE); #ifdef ERTS_SMP - erts_smp_tsd_key_create(&win32_errstr_key); + erts_smp_tsd_key_create(&win32_errstr_key,"win32_errstr_key"); InitializeCriticalSection(&htbc_lock); #endif erts_smp_atomic_init_nob(&pipe_creation_counter,0); diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index a390c536bb..938aac6a0e 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -474,16 +474,16 @@ terms_compression_levels(_, _, _) -> ok. terms_float(Config) when is_list(Config) -> ?line test_floats(fun(Term) -> - Bin0 = term_to_binary(Term), Bin0 = term_to_binary(Term, [{minor_version,0}]), Term = binary_to_term_stress(Bin0), + Bin1 = term_to_binary(Term), Bin1 = term_to_binary(Term, [{minor_version,1}]), Term = binary_to_term_stress(Bin1), true = size(Bin1) < size(Bin0), - Size0 = erlang:external_size(Term), - Size00 = erlang:external_size(Term, [{minor_version, 0}]), - Size1 = erlang:external_size(Term, [{minor_version, 1}]), - true = (Size0 =:= Size00), + Size0 = erlang:external_size(Term, [{minor_version, 0}]), + Size1 = erlang:external_size(Term), + Size11 = erlang:external_size(Term, [{minor_version, 1}]), + true = (Size1 =:= Size11), true = Size1 < Size0 end). diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index 06211406b4..c62bc0c454 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -1945,6 +1945,14 @@ otp_9302(Config) when is_list(Config) -> end. thr_free_drv(Config) when is_list(Config) -> + case erlang:system_info(threads) of + false -> + {skipped, "No thread support"}; + true -> + thr_free_drv_do(Config) + end. + +thr_free_drv_do(Config) -> ?line Path = ?config(data_dir, Config), ?line erl_ddll:start(), ?line ok = load_driver(Path, thr_free_drv), diff --git a/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c index 7c144d20cf..ad29d17f06 100644 --- a/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c +++ b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011-2013. All Rights Reserved. + * Copyright Ericsson AB 2011-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -94,7 +94,7 @@ DRIVER_INIT(otp_9302_drv) static void stop(ErlDrvData drv_data) { Otp9302Data *data = (Otp9302Data *) drv_data; - if (!data->smp) + if (data->msgq.mtx) erl_drv_mutex_destroy(data->msgq.mtx); driver_free(data); } @@ -114,13 +114,16 @@ static ErlDrvData start(ErlDrvPort port, driver_system_info(&sys_info, sizeof(ErlDrvSysInfo)); data->smp = sys_info.smp_support; + data->msgq.mtx = NULL; if (!data->smp) { data->msgq.start = NULL; data->msgq.end = NULL; - data->msgq.mtx = erl_drv_mutex_create(""); - if (!data->msgq.mtx) { - driver_free(data); - return ERL_DRV_ERROR_GENERAL; + if (sys_info.thread_support) { + data->msgq.mtx = erl_drv_mutex_create(""); + if (!data->msgq.mtx) { + driver_free(data); + return ERL_DRV_ERROR_GENERAL; + } } } @@ -143,19 +146,22 @@ static void enqueue_reply(Otp9302AsyncData *adata) Otp9302MsgQ *msgq = adata->msgq; adata->next = NULL; adata->refc++; - erl_drv_mutex_lock(msgq->mtx); + if (msgq->mtx) + erl_drv_mutex_lock(msgq->mtx); if (msgq->end) msgq->end->next = adata; else msgq->end = msgq->start = adata; msgq->end = adata; - erl_drv_mutex_unlock(msgq->mtx); + if (msgq->mtx) + erl_drv_mutex_unlock(msgq->mtx); } static void dequeue_replies(Otp9302AsyncData *adata) { Otp9302MsgQ *msgq = adata->msgq; - erl_drv_mutex_lock(msgq->mtx); + if (msgq->mtx) + erl_drv_mutex_lock(msgq->mtx); if (--adata->refc == 0) driver_free(adata); while (msgq->start) { @@ -166,7 +172,8 @@ static void dequeue_replies(Otp9302AsyncData *adata) driver_free(adata); } msgq->start = msgq->end = NULL; - erl_drv_mutex_unlock(msgq->mtx); + if (msgq->mtx) + erl_drv_mutex_unlock(msgq->mtx); } static void async_invoke(void *data) diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index bcc1f9e5af..a854d3f05b 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -850,6 +850,138 @@ resource_takeover(Config) when is_list(Config) -> ?line ok = forget_resource(AN4), ?line [] = nif_mod_call_history(), + + %% + %% Test rollback after failed upgrade of same lib-version + %% + + {A5,BinA5} = make_resource(2, Holder, "A5"), + {NA5,BinNA5} = make_resource(0, Holder, "NA5"), + {AN5,_BinAN5} = make_resource(1, Holder, "AN5"), + + {A6,BinA6} = make_resource(2, Holder, "A6"), + {NA6,BinNA6} = make_resource(0, Holder, "NA6"), + {AN6,_BinAN6} = make_resource(1, Holder, "AN6"), + + {module,nif_mod} = erlang:load_module(nif_mod,ModBin), + undefined = nif_mod:lib_version(), + {error,{upgrade,_}} = + nif_mod:load_nif_lib(Config, 1, + [{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A, + ?RT_CREATE}, + + {return, 1} % FAIL + ]), + + undefined = nif_mod:lib_version(), + [{upgrade,1,5,105}] = nif_mod_call_history(), + + %% Make sure dtor was not changed (from A to B) + ok = forget_resource(A5), + [{{resource_dtor_A_v1,BinA5},1,6,106}] = nif_mod_call_history(), + + %% Make sure dtor was not nullified (from A to null) + ok = forget_resource(NA5), + [{{resource_dtor_A_v1,BinNA5},1,7,107}] = nif_mod_call_history(), + + %% Make sure dtor was not added (from null to A) + ok = forget_resource(AN5), + [] = nif_mod_call_history(), + + %% + %% Test rollback after failed upgrade of other lib-version + %% + + {error,{upgrade,_}} = + nif_mod:load_nif_lib(Config, 2, + [{resource_type, 4, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A, + ?RT_CREATE}, + + {return, 1} % FAIL + ]), + + undefined = nif_mod:lib_version(), + [{upgrade,2,_,_}] = nif_mod_call_history(), + + %% Make sure dtor was not changed (from A to B) + ok = forget_resource(A6), + [{{resource_dtor_A_v1,BinA6},1,_,_}] = nif_mod_call_history(), + + %% Make sure dtor was not nullified (from A to null) + ok = forget_resource(NA6), + [{{resource_dtor_A_v1,BinNA6},1,_,_}] = nif_mod_call_history(), + + %% Make sure dtor was not added (from null to A) + ok = forget_resource(AN6), + [] = nif_mod_call_history(), + + %% + %% Test rolback after failed initial load + %% + false = code:purge(nif_mod), + [{unload,1,_,_}] = nif_mod_call_history(), + true = code:delete(nif_mod), + false = code:purge(nif_mod), + [] = nif_mod_call_history(), + + + {module,nif_mod} = erlang:load_module(nif_mod,ModBin), + undefined = nif_mod:lib_version(), + {error,{load,_}} = + nif_mod:load_nif_lib(Config, 1, + [{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 4, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null, + ?RT_CREATE}, + {resource_type, 4, ?RT_CREATE, "resource_type_A_null",resource_dtor_A, + ?RT_CREATE}, + {resource_type, 4, ?RT_CREATE, "Mr Pink", resource_dtor_A, + ?RT_CREATE}, + + {return, 1} % FAIL + ]), + + undefined = nif_mod:lib_version(), + ok = nif_mod:load_nif_lib(Config, 1, + [{resource_type, null, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A", + resource_dtor_A, ?RT_CREATE}, + + {resource_type, 1, ?RT_CREATE, "resource_type_A_null", null, + ?RT_CREATE}, + {resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A, + ?RT_TAKEOVER}, + + {return, 0} % SUCCESS + ]), + + ?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), + ?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), + + {NA7,BinNA7} = make_resource(0, Holder, "NA7"), + {AN7,BinAN7} = make_resource(1, Holder, "AN7"), + + ok = forget_resource(NA7), + [{{resource_dtor_A_v1,BinNA7},1,_,_}] = nif_mod_call_history(), + + ok = forget_resource(AN7), + [] = nif_mod_call_history(), + ?line true = lists:member(?MODULE, erlang:system_info(taints)), ?line true = lists:member(nif_mod, erlang:system_info(taints)), ?line verify_tmpmem(TmpMem), @@ -1406,7 +1538,7 @@ dirty_nif(Config) when is_list(Config) -> {skipped,"No dirty scheduler support"} end. -next_msg(Pid) -> +next_msg(_Pid) -> receive M -> M after 100 -> diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index b550d1f16d..160f4843ad 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -1477,7 +1477,6 @@ static ERL_NIF_TERM consume_timeslice_nif(ErlNifEnv* env, int argc, const ERL_NI { int percent; char atom[10]; - int do_repeat; if (!enif_get_int(env, argv[0], &percent) || !enif_get_atom(env, argv[1], atom, sizeof(atom), ERL_NIF_LATIN1)) { diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.c b/erts/emulator/test/nif_SUITE_data/nif_mod.c index e32d10057c..55a0d2ac4f 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.c +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2009-2010. All Rights Reserved. + * Copyright Ericsson AB 2009-2014. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -41,6 +41,7 @@ static ERL_NIF_TERM am_null; static ERL_NIF_TERM am_resource_type; static ERL_NIF_TERM am_resource_dtor_A; static ERL_NIF_TERM am_resource_dtor_B; +static ERL_NIF_TERM am_return; static NifModPrivData* priv_data(ErlNifEnv* env) { @@ -54,6 +55,7 @@ static void init(ErlNifEnv* env) am_resource_type = enif_make_atom(env, "resource_type"); am_resource_dtor_A = enif_make_atom(env, "resource_dtor_A"); am_resource_dtor_B = enif_make_atom(env, "resource_dtor_B"); + am_return = enif_make_atom(env, "return"); } static void add_call_with_arg(ErlNifEnv* env, NifModPrivData* data, const char* func_name, @@ -105,19 +107,15 @@ static void resource_dtor_B(ErlNifEnv* env, void* a) } /* {resource_type, Ix|null, ErlNifResourceFlags in, "TypeName", dtor(A|B|null), ErlNifResourceFlags out}*/ -static void open_resource_type(ErlNifEnv* env, ERL_NIF_TERM op_tpl) +static void open_resource_type(ErlNifEnv* env, const ERL_NIF_TERM* arr) { NifModPrivData* data = priv_data(env); - const ERL_NIF_TERM* arr; - int arity; char rt_name[30]; union { ErlNifResourceFlags e; int i; } flags, exp_res, got_res; unsigned ix; ErlNifResourceDtor* dtor; ErlNifResourceType* got_ptr; - CHECK(enif_get_tuple(env, op_tpl, &arity, &arr)); - CHECK(arity == 6); CHECK(enif_is_identical(arr[0], am_resource_type)); CHECK(enif_get_int(env, arr[2], &flags.i)); CHECK(enif_get_string(env, arr[3], rt_name, sizeof(rt_name), ERL_NIF_LATIN1) > 0); @@ -147,18 +145,32 @@ static void open_resource_type(ErlNifEnv* env, ERL_NIF_TERM op_tpl) CHECK(got_res.e == exp_res.e); } -static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info) +static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info, int* retvalp) { NifModPrivData* data = priv_data(env); ERL_NIF_TERM head, tail; unsigned ix; + for (ix=0; ix<RT_MAX; ix++) { data->rt_arr[ix] = NULL; } for (head = load_info; enif_get_list_cell(env, head, &head, &tail); head = tail) { - - open_resource_type(env, head); + const ERL_NIF_TERM* arr; + int arity; + + CHECK(enif_get_tuple(env, head, &arity, &arr)); + switch (arity) { + case 6: + open_resource_type(env, arr); + break; + case 2: + CHECK(arr[0] == am_return); + CHECK(enif_get_int(env, arr[1], retvalp)); + break; + default: + CHECK(0); + } } CHECK(enif_is_empty_list(env, head)); } @@ -166,6 +178,7 @@ static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info) static int load(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info) { NifModPrivData* data; + int retval = 0; init(env); data = (NifModPrivData*) enif_alloc(sizeof(NifModPrivData)); @@ -177,38 +190,41 @@ static int load(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info) add_call(env, data, "load"); - do_load_info(env, load_info); - data->calls = 0; - return 0; + do_load_info(env, load_info, &retval); + if (retval) + NifModPrivData_release(data); + return retval; } static int reload(ErlNifEnv* env, void** priv, ERL_NIF_TERM load_info) { NifModPrivData* data = (NifModPrivData*) *priv; + int retval = 0; init(env); add_call(env, data, "reload"); - do_load_info(env, load_info); - return 0; + do_load_info(env, load_info, &retval); + return retval; } static int upgrade(ErlNifEnv* env, void** priv, void** old_priv_data, ERL_NIF_TERM load_info) { NifModPrivData* data = (NifModPrivData*) *old_priv_data; + int retval = 0; init(env); add_call(env, data, "upgrade"); data->ref_cnt++; *priv = *old_priv_data; - do_load_info(env, load_info); + do_load_info(env, load_info, &retval); - return 0; + return retval; } static void unload(ErlNifEnv* env, void* priv) { NifModPrivData* data = (NifModPrivData*) priv; - int is_last; + add_call(env, data, "unload"); NifModPrivData_release(data); } diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.h b/erts/emulator/test/nif_SUITE_data/nif_mod.h index cd0ecf4b54..fb14fee815 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.h +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.h @@ -14,7 +14,6 @@ typedef struct call_info_t typedef struct { ErlNifMutex* mtx; - int calls; int ref_cnt; CallInfo* call_history; ErlNifResourceType* rt_arr[RT_MAX]; @@ -28,6 +27,11 @@ typedef struct enif_mutex_unlock((NMPD)->mtx); \ if (is_last) { \ enif_mutex_destroy((NMPD)->mtx); \ + while ((NMPD)->call_history) { \ + CallInfo* next = (NMPD)->call_history->next; \ + enif_free((NMPD)->call_history); \ + (NMPD)->call_history = next; \ + } \ enif_free((NMPD)); \ } \ }while (0) diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl index 6a43e2b0e7..3906471f87 100644 --- a/erts/emulator/test/scheduler_SUITE.erl +++ b/erts/emulator/test/scheduler_SUITE.erl @@ -54,6 +54,7 @@ sbt_cmd/1, scheduler_threads/1, scheduler_suspend/1, + dirty_scheduler_threads/1, reader_groups/1]). -define(DEFAULT_TIMEOUT, ?t:minutes(15)). @@ -68,6 +69,7 @@ all() -> equal_and_high_with_part_time_max, equal_with_high, equal_with_high_max, bound_process, {group, scheduler_bind}, scheduler_threads, scheduler_suspend, + dirty_scheduler_threads, reader_groups]. groups() -> @@ -1092,6 +1094,55 @@ scheduler_threads(Config) when is_list(Config) -> end, ok. +dirty_scheduler_threads(Config) when is_list(Config) -> + SmpSupport = erlang:system_info(smp_support), + try + erlang:system_info(dirty_cpu_schedulers), + dirty_scheduler_threads_test(Config, SmpSupport) + catch + error:badarg -> + {skipped, "No dirty scheduler support"} + end. + +dirty_scheduler_threads_test(Config, SmpSupport) -> + {Sched, SchedOnln, _} = get_dsstate(Config, ""), + {HalfSched, HalfSchedOnln} = case SmpSupport of + false -> {1,1}; + true -> + {Sched div 2, + SchedOnln div 2} + end, + Cmd1 = "+SDcpu "++integer_to_list(HalfSched)++":"++ + integer_to_list(HalfSchedOnln), + {HalfSched, HalfSchedOnln, _} = get_dsstate(Config, Cmd1), + {HalfSched, HalfSchedOnln, _} = get_dsstate(Config, "+SDPcpu 50:50"), + IOSched = 20, + {_, _, IOSched} = get_dsstate(Config, "+SDio "++integer_to_list(IOSched)), + {ok, Node} = start_node(Config, ""), + [ok] = mcall(Node, [fun() -> dirty_schedulers_online_test() end]), + ok. + +dirty_schedulers_online_test() -> + dirty_schedulers_online_test(erlang:system_info(smp_support)). +dirty_schedulers_online_test(false) -> ok; +dirty_schedulers_online_test(true) -> + dirty_schedulers_online_smp_test(erlang:system_info(schedulers_online)). +dirty_schedulers_online_smp_test(SchedOnln) when SchedOnln < 4 -> ok; +dirty_schedulers_online_smp_test(SchedOnln) -> + DirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), + SchedOnln = DirtyCPUSchedOnln, + HalfSchedOnln = SchedOnln div 2, + SchedOnln = erlang:system_flag(schedulers_online, HalfSchedOnln), + HalfDirtyCPUSchedOnln = DirtyCPUSchedOnln div 2, + HalfDirtyCPUSchedOnln = erlang:system_flag(schedulers_online, SchedOnln), + DirtyCPUSchedOnln = erlang:system_flag(dirty_cpu_schedulers_online, + HalfDirtyCPUSchedOnln), + HalfDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), + QrtrDirtyCPUSchedOnln = HalfDirtyCPUSchedOnln div 2, + SchedOnln = erlang:system_flag(schedulers_online, HalfSchedOnln), + QrtrDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), + ok. + get_sstate(Config, Cmd) -> {ok, Node} = start_node(Config, Cmd), [SState] = mcall(Node, [fun () -> @@ -1100,6 +1151,20 @@ get_sstate(Config, Cmd) -> stop_node(Node), SState. +get_dsstate(Config, Cmd) -> + {ok, Node} = start_node(Config, Cmd), + [DSCPU] = mcall(Node, [fun () -> + erlang:system_info(dirty_cpu_schedulers) + end]), + [DSCPUOnln] = mcall(Node, [fun () -> + erlang:system_info(dirty_cpu_schedulers_online) + end]), + [DSIO] = mcall(Node, [fun () -> + erlang:system_info(dirty_io_schedulers) + end]), + stop_node(Node), + {DSCPU, DSCPUOnln, DSIO}. + scheduler_suspend(Config) when is_list(Config) -> ?line Dog = ?t:timetrap(?t:minutes(5)), ?line lists:foreach(fun (S) -> scheduler_suspend_test(Config, S) end, @@ -1171,16 +1236,40 @@ sst2_loop(N) -> erlang:system_flag(multi_scheduling, unblock), sst2_loop(N-1). -sst3_loop(_S, 0) -> - ok; sst3_loop(S, N) -> + try erlang:system_info(dirty_cpu_schedulers) of + DS -> + sst3_loop_with_dirty_schedulers(S, DS, N) + catch + error:badarg -> + sst3_loop_normal_schedulers_only(S, N) + end. + +sst3_loop_normal_schedulers_only(_S, 0) -> + ok; +sst3_loop_normal_schedulers_only(S, N) -> + erlang:system_flag(schedulers_online, (S div 2)+1), + erlang:system_flag(schedulers_online, 1), + erlang:system_flag(schedulers_online, (S div 2)+1), + erlang:system_flag(schedulers_online, S), + erlang:system_flag(schedulers_online, 1), + erlang:system_flag(schedulers_online, S), + sst3_loop_normal_schedulers_only(S, N-1). + +sst3_loop_with_dirty_schedulers(_S, _DS, 0) -> + ok; +sst3_loop_with_dirty_schedulers(S, DS, N) -> erlang:system_flag(schedulers_online, (S div 2)+1), + erlang:system_flag(dirty_cpu_schedulers_online, (DS div 2)+1), erlang:system_flag(schedulers_online, 1), erlang:system_flag(schedulers_online, (S div 2)+1), + erlang:system_flag(dirty_cpu_schedulers_online, 1), erlang:system_flag(schedulers_online, S), + erlang:system_flag(dirty_cpu_schedulers_online, DS), erlang:system_flag(schedulers_online, 1), erlang:system_flag(schedulers_online, S), - sst3_loop(S, N-1). + erlang:system_flag(dirty_cpu_schedulers_online, DS), + sst3_loop_with_dirty_schedulers(S, DS, N-1). reader_groups(Config) when is_list(Config) -> %% White box testing. These results are correct, but other results diff --git a/erts/emulator/utils/make_version b/erts/emulator/utils/make_version index 02b68f2b39..0ba1c77930 100755 --- a/erts/emulator/utils/make_version +++ b/erts/emulator/utils/make_version @@ -39,10 +39,10 @@ if ($ARGV[0] eq '-o') { } my $release = shift; -defined $release or die "No release specified"; +defined $release or die "No otp release specified"; -my $correction_package = shift; -defined $correction_package or die "No correction package specified"; +my $otp_version = shift; +defined $otp_version or die "No otp version specified"; my $version = shift; defined $version or die "No version name specified"; @@ -56,7 +56,7 @@ open(FILE, ">$outputfile") or die "Can't create $outputfile: $!"; print FILE <<EOF; /* This file was created by 'make_version' -- don't modify. */ #define ERLANG_OTP_RELEASE "$release" -#define ERLANG_OTP_CORRECTION_PACKAGE "$correction_package" +#define ERLANG_OTP_VERSION "$otp_version" #define ERLANG_VERSION "$version" #define ERLANG_COMPILE_DATE "$time_str" #define ERLANG_ARCHITECTURE "$architecture" diff --git a/erts/epmd/src/Makefile.in b/erts/epmd/src/Makefile.in index e94674e6f4..2ea8630491 100644 --- a/erts/epmd/src/Makefile.in +++ b/erts/epmd/src/Makefile.in @@ -18,6 +18,9 @@ # include $(ERL_TOP)/make/target.mk +ifeq ($(findstring ose,$(TARGET)),ose) +include $(ERL_TOP)/make/$(TARGET)/ose_lm.mk +endif ifeq ($(TYPE),debug) PURIFY = @@ -64,9 +67,13 @@ else ifeq ($(findstring vxworks,$(TARGET)),vxworks) ERTS_INTERNAL_LIBS=-L../../lib/internal/$(TARGET) -lerts_internal$(ERTS_LIB_TYPEMARKER) @ERTS_INTERNAL_X_LIBS@ else +ifeq ($(findstring ose,$(TARGET)),ose) +ERTS_INTERNAL_LIBS=-L../../lib/internal/$(TARGET) -lerts_internal$(ERTS_LIB_TYPEMARKER) @ERTS_INTERNAL_X_LIBS@ +else ERTS_INTERNAL_LIBS=-L../../lib/internal/$(TARGET) -lerts_internal$(ERTS_LIB_TYPEMARKER) @ERTS_INTERNAL_X_LIBS@ -lm endif endif +endif ERTS_LIB = $(ERL_TOP)/erts/lib_src/obj/$(TARGET)/$(TYPE)/MADE @@ -74,7 +81,11 @@ CC = @CC@ WFLAGS = @WFLAGS@ CFLAGS = @CFLAGS@ @DEFS@ $(TYPE_FLAGS) $(WFLAGS) $(ERTS_INCL) LD = @LD@ +ifeq ($(findstring ose,$(TARGET)),ose) +LIBS = $(ERTS_INTERNAL_LIBS) @LIBS@ +else LIBS = @LIBS@ $(ERTS_INTERNAL_LIBS) +endif LDFLAGS = @LDFLAGS@ @@ -123,12 +134,25 @@ clean: rm -f *.o rm -f *~ core +ifeq ($(findstring ose,$(TARGET)),ose) +$(OBJDIR)/ose_confd.o: $(OSE_CONFD) + $(V_CC) $(CFLAGS) -o $@ -c $< +$(OBJDIR)/crt0_lm.o: $(CRT0_LM) + $(V_CC) $(CFLAGS) -o $@ -c $< +OSE_LM_OBJS += $(OBJDIR)/ose_confd.o $(OBJDIR)/crt0_lm.o +endif + # # Objects & executables # +ifeq ($(findstring ose,$(TARGET)),ose) +$(BINDIR)/$(EPMD): $(EPMD_OBJS) $(ERTS_LIB) $(OSE_LM_OBJS) + $(call build-ose-load-module, $@, $(EPMD_OBJS) $(OSE_LM_OBJS), $(LIBS), $(LMCONF)) +else $(BINDIR)/$(EPMD): $(EPMD_OBJS) $(ERTS_LIB) $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(EPMD_OBJS) $(LIBS) +endif $(OBJDIR)/%.o: %.c epmd.h epmd_int.h $(V_CC) $(CFLAGS) $(EPMD_FLAGS) -o $@ -c $< diff --git a/erts/epmd/src/epmd.c b/erts/epmd/src/epmd.c index 2d55b37ff3..5d5c3a1c3c 100644 --- a/erts/epmd/src/epmd.c +++ b/erts/epmd/src/epmd.c @@ -389,7 +389,7 @@ static void run_daemon(EpmdVars *g) } #endif -#if defined(VXWORKS) +#if defined(VXWORKS) || defined(__OSE__) static void run_daemon(EpmdVars *g) { run(g); diff --git a/erts/epmd/src/epmd_int.h b/erts/epmd/src/epmd_int.h index 656dbd1f45..d4597be30c 100644 --- a/erts/epmd/src/epmd_int.h +++ b/erts/epmd/src/epmd_int.h @@ -36,6 +36,13 @@ #define DONT_USE_MAIN #endif +#ifdef __OSE__ +# define NO_DAEMON +# define NO_SYSLOG +# define NO_SYSCONF +# define NO_FCNTL +#endif + /* ************************************************************************ */ /* Standard includes */ @@ -92,7 +99,11 @@ #endif /* ! WIN32 */ #include <ctype.h> -#include <signal.h> + +#if !defined(__OSE__) +# include <signal.h> +#endif + #include <errno.h> @@ -110,6 +121,11 @@ #include <stdarg.h> +#ifdef __OSE__ +# include "sys/select.h" +#endif + + /* ************************************************************************ */ /* Replace some functions by others by making the function name a macro */ diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c index 90df7cc25a..247fd34d5a 100644 --- a/erts/epmd/src/epmd_srv.c +++ b/erts/epmd/src/epmd_srv.c @@ -29,6 +29,11 @@ # define INADDR_NONE 0xffffffff #endif +#if defined(__OSE__) +# include "sys/ioctl.h" +# define sleep(x) delay(x*1000) +#endif + /* * * This server is a local name server for Erlang nodes. Erlang nodes can @@ -273,7 +278,7 @@ void run(EpmdVars *g) num_sockets = 1; } -#if !defined(__WIN32__) +#if !defined(__WIN32__) && !defined(__OSE__) /* We ignore the SIGPIPE signal that is raised when we call write twice on a socket closed by the other end. */ signal(SIGPIPE, SIG_IGN); diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in index 5c1ce51644..5c2cd8aded 100644 --- a/erts/etc/common/Makefile.in +++ b/erts/etc/common/Makefile.in @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1996-2012. All Rights Reserved. +# Copyright Ericsson AB 1996-2014. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -20,6 +20,10 @@ include $(ERL_TOP)/make/output.mk include $(ERL_TOP)/make/target.mk +ifeq ($(findstring ose,$(TARGET)),ose) +include $(ERL_TOP)/make/$(TARGET)/ose_lm.mk +endif + ERTS_LIB_TYPEMARKER=.$(TYPE) USING_MINGW=@MIXED_CYGWIN_MINGW@ @@ -82,6 +86,16 @@ OSEETC = ../ose WINETC = ../win32 ifeq ($(TARGET), win32) +ETC = $(WINETC) +else +ifeq ($(findstring ose,$(TARGET)),ose) +ETC = $(OSEETC) +else +ETC = $(UXETC) +endif +endif + +ifeq ($(TARGET), win32) ERLEXEC = erlexec.dll else ERLEXEC = erlexec @@ -147,7 +161,8 @@ INSTALL_TOP_BIN = $(BINDIR)/Install.exe INSTALL_PROGS = \ $(INET_GETHOST) \ $(BINDIR)/heart.exe $(BINDIR)/erlsrv.exe \ - $(BINDIR)/erl.exe $(BINDIR)/werl.exe \ + $(BINDIR)/erl.exe $(BINDIR)/erl_log.exe \ + $(BINDIR)/werl.exe \ $(BINDIR)/$(ERLEXEC) \ $(INSTALL_EMBEDDED_PROGS) @@ -161,7 +176,26 @@ endif PORT_ENTRY_POINT=erl_port_entry ENTRY_LDFLAGS=-entry:$(PORT_ENTRY_POINT) -else # UNIX (!win32) +else +ifeq ($(findstring ose,$(TARGET)),ose) +ENTRY_LDFLAGS= +ENTRY_OBJ= +ERLSRV_OBJECTS= +MC_OUTPUTS= +INET_GETHOST = +INSTALL_EMBEDDED_PROGS = $(BINDIR)/run_erl_lm +INSTALL_EMBEDDED_DATA = +INSTALL_TOP = Install +INSTALL_TOP_BIN = +INSTALL_MISC = +INSTALL_SRC = +ERLEXECDIR = . +INSTALL_LIBS = +INSTALL_OBJS = +INSTALL_INCLUDES = +TEXTFILES = Install erl.src +INSTALL_PROGS = $(INSTALL_EMBEDDED_PROGS) +else # UNIX (!win32 && !ose) ENTRY_LDFLAGS= ENTRY_OBJ= ERLSRV_OBJECTS= @@ -170,11 +204,11 @@ INET_GETHOST = $(BINDIR)/inet_gethost@EXEEXT@ INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer@EXEEXT@ $(BINDIR)/dialyzer@EXEEXT@ \ $(BINDIR)/erlc@EXEEXT@ $(BINDIR)/escript@EXEEXT@ $(BINDIR)/ct_run@EXEEXT@ \ $(BINDIR)/run_erl $(BINDIR)/to_erl $(BINDIR)/dyn_erl -INSTALL_EMBEDDED_DATA = ../unix/start.src ../unix/start_erl.src +INSTALL_EMBEDDED_DATA = $(UXETC)/start.src $(UXETC)/start_erl.src INSTALL_TOP = Install INSTALL_TOP_BIN = -INSTALL_MISC = ../unix/format_man_pages ../unix/makewhatis -INSTALL_SRC = ../unix/setuid_socket_wrap.c #delivered as an example +INSTALL_MISC = $(UXETC)/format_man_pages $(UXETC)/makewhatis +INSTALL_SRC = $(UXETC)/setuid_socket_wrap.c #delivered as an example ERLEXECDIR = . INSTALL_LIBS = INSTALL_OBJS = @@ -186,6 +220,7 @@ INSTALL_PROGS = \ $(BINDIR)/$(ERLEXEC) \ $(INSTALL_EMBEDDED_PROGS) endif +endif .PHONY: etc etc: $(ENTRY_OBJ) $(INSTALL_PROGS) $(INSTALL_LIBS) $(TEXTFILES) $(INSTALL_TOP_BIN) @@ -230,11 +265,14 @@ endif rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/dyn_erl.o - rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/safe_string.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/safe_string.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl_common.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl_common.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/typer.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/ct_run.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/vxcall.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/erl.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/erl_log.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/werl.o rm -f $(TEXTFILES) rm -f *~ core @@ -258,6 +296,9 @@ $(BINDIR)/erl@EXEEXT@: $(OBJDIR)/erl.o $(OBJDIR)/init_file.o $(OBJDIR)/$(ERLRES_ $(BINDIR)/werl@EXEEXT@: $(OBJDIR)/werl.o $(OBJDIR)/init_file.o $(OBJDIR)/$(ERLRES_OBJ) $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/werl.o $(OBJDIR)/init_file.o $(OBJDIR)/$(ERLRES_OBJ) +$(BINDIR)/erl_log@EXEEXT@: $(OBJDIR)/erl_log.o + $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/erl_log.o + $(BINDIR)/start_erl@EXEEXT@: $(OBJDIR)/start_erl.o $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/start_erl.o @@ -311,6 +352,10 @@ $(OBJDIR)/werl.o: $(WINETC)/erl.c $(WINETC)/init_file.h $(RC_GENERATED) $(V_CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \ -DWIN32_WERL -o $@ -c $(WINETC)/erl.c +$(OBJDIR)/erl_log.o: $(WINETC)/erl_log.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \ + -o $@ -c $(WINETC)/erl_log.c + $(OBJDIR)/erl.o: $(WINETC)/erl.c $(WINETC)/init_file.h $(RC_GENERATED) $(V_CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \ -o $@ -c $(WINETC)/erl.c @@ -370,29 +415,33 @@ $(OBJDIR)/heart.o: heart.c $(RC_GENERATED) $(OBJDIR)/inet_gethost.o: inet_gethost.c $(RC_GENERATED) $(V_CC) $(CFLAGS) -o $@ -c inet_gethost.c +# inet_gethost $(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(ERTS_LIB) $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(LIBS) $(ERTS_INTERNAL_LIBS) -$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o - $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(LIBS) - -$(OBJDIR)/run_erl.o: ../unix/run_erl.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c ../unix/run_erl.c - -$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o - $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o - -$(OBJDIR)/to_erl.o: ../unix/to_erl.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c ../unix/to_erl.c - +# run_erl +$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(OBJDIR)/run_erl_common.o + $(V_LD) $(LDFLAGS) -o $@ $^ $(LIBS) +$(OBJDIR)/run_erl.o: $(ETC)/run_erl.c ../common/run_erl_common.h $(RC_GENERATED) + $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(ETC)/run_erl.c +$(OBJDIR)/run_erl_common.o: ../common/run_erl_common.c ../common/run_erl_common.h $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $< + +# to_erl +$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o $(OBJDIR)/to_erl_common.o + $(V_LD) $(LDFLAGS) -o $@ $^ +$(OBJDIR)/to_erl.o: $(ETC)/to_erl.c ../common/safe_string.h $(RC_GENERATED) + $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(ETC)/to_erl.c +$(OBJDIR)/to_erl_common.o: ../common/to_erl_common.c ../common/to_erl_common.h $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $< + +# dyn_erl $(BINDIR)/dyn_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o - -$(OBJDIR)/dyn_erl.o: ../unix/dyn_erl.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c ../unix/dyn_erl.c - -$(OBJDIR)/safe_string.o: ../unix/safe_string.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c ../unix/safe_string.c +$(OBJDIR)/dyn_erl.o: $(UXETC)/dyn_erl.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $(UXETC)/dyn_erl.c +$(OBJDIR)/safe_string.o: ../common/safe_string.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c ../common/safe_string.c ifneq ($(TARGET),win32) $(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB) @@ -401,6 +450,7 @@ $(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB) $(OBJDIR)/$(ERLEXEC).o: $(ERLEXECDIR)/$(ERLEXEC).c $(RC_GENERATED) $(V_CC) -I$(EMUDIR) $(CFLAGS) -o $@ -c $(ERLEXECDIR)/$(ERLEXEC).c endif + $(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o $(ERTS_LIB) $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) @@ -433,18 +483,42 @@ $(OBJDIR)/ct_run.o: ct_run.c $(RC_GENERATED) -Install: ../unix/Install.src ../../vsn.mk $(TARGET)/Makefile +Install: $(UXETC)/Install.src ../../vsn.mk $(TARGET)/Makefile $(vsn_verbose)sed -e 's;%I_VSN%;$(VSN);' \ -e 's;%EMULATOR%;$(EMULATOR);' \ -e 's;%EMULATOR_NUMBER%;$(EMULATOR_NUMBER);' \ -e 's;%I_SYSTEM_VSN%;$(SYSTEM_VSN);' \ - ../unix/Install.src > Install + $(UXETC)/Install.src > Install -erl.src: ../unix/erl.src.src ../../vsn.mk $(TARGET)/Makefile +erl.src: $(UXETC)/erl.src.src ../../vsn.mk $(TARGET)/Makefile $(vsn_verbose)sed -e 's;%EMULATOR%;$(EMULATOR);' \ -e 's;%EMULATOR_NUMBER%;$(EMULATOR_NUMBER);' \ -e 's;%VSN%;$(VSN);' \ - ../unix/erl.src.src > erl.src + $(UXETC)/erl.src.src > erl.src + +#--------------------------------------------------------- +# OSE specific targets +#--------------------------------------------------------- +ifeq ($(findstring ose,$(TARGET)),ose) +$(OBJDIR)/ose_confd.o: $(OSE_CONFD) + $(V_CC) $(CFLAGS) -o $@ -c $< +$(OBJDIR)/crt0_lm.o: $(CRT0_LM) + $(V_CC) $(CFLAGS) -o $@ -c $< +OSE_LM_OBJS += $(OBJDIR)/ose_confd.o $(OBJDIR)/crt0_lm.o + +$(BINDIR)/run_erl_lm: $(OBJDIR)/run_erl_main.o $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(OBJDIR)/run_erl_common.o $(OBJDIR)/to_erl_common.o $(OSE_LM_OBJS) + $(call build-ose-load-module, $@, $^, $(LIBS), $(LMCONF)) + + +$(OBJDIR)/run_erl_main.o: $(OSEETC)/run_erl_main.c $(OSEETC)/run_erl.h ../common/to_erl_common.h $(RC_GENERATED) + $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(OSEETC)/run_erl_main.c + +endif + +#--------------------------------------------------------- +# End of ose specific targets. +#--------------------------------------------------------- + # ---------------------------------------------------- # Release Target @@ -478,17 +552,12 @@ ifneq ($(INSTALL_MISC),) $(INSTALL_DIR) "$(RELEASE_PATH)/misc" $(INSTALL_SCRIPT) $(INSTALL_MISC) "$(RELEASE_PATH)/misc" endif -ifneq ($(INSTALL_ERL_OSE),) - $(INSTALL_DIR) "$(RELEASE_PATH)/build_erl_ose" - cd $(OSEETC) && $(TAR) erl_ose_$(SYSTEM_VSN).tar $(INSTALL_ERL_OSE) - cd $(OSEETC) && $(INSTALL_SCRIPT) erl_ose_$(SYSTEM_VSN).tar "$(RELEASE_PATH)/build_erl_ose" -endif ifneq ($(INSTALL_SRC),) $(INSTALL_DIR) "$(RELEASE_PATH)/erts-$(VSN)/src" $(INSTALL_DATA) $(INSTALL_SRC) "$(RELEASE_PATH)/erts-$(VSN)/src" endif ifneq ($(INSTALL_EMBEDDED_DATA),) - $(INSTALL_DATA) $(INSTALL_EMBEDDED_DATA) "$(RELEASE_PATH)/erts-$(VSN)/bin" + $(INSTALL_SCRIPT) $(INSTALL_EMBEDDED_DATA) "$(RELEASE_PATH)/erts-$(VSN)/bin" endif ifneq ($(INSTALL_LIBS),) $(INSTALL_DATA) $(INSTALL_LIBS) "$(RELEASE_PATH)/erts-$(VSN)/bin" diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 2cf7280ebc..709c6f02d1 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -833,9 +833,13 @@ int main(int argc, char **argv) #ifdef ERTS_DIRTY_SCHEDULERS else if (argv[i][2] == 'D') { char* type = argv[i]+3; - if (strcmp(type, "cpu") != 0 && - strcmp(type, "Pcpu") != 0 && - strcmp(type, "io") != 0) + if (strncmp(type, "cpu", 3) != 0 && + strncmp(type, "Pcpu", 4) != 0 && + strncmp(type, "io", 2) != 0) + usage(argv[i]); + if ((argv[i][3] == 'c' && argv[i][6] != '\0') || + (argv[i][3] == 'P' && argv[i][7] != '\0') || + (argv[i][3] == 'i' && argv[i][5] != '\0')) goto the_default; } #endif diff --git a/erts/etc/common/inet_gethost.c b/erts/etc/common/inet_gethost.c index bef97862a3..9ec4192667 100644 --- a/erts/etc/common/inet_gethost.c +++ b/erts/etc/common/inet_gethost.c @@ -1209,7 +1209,7 @@ static void start_que_request(Worker *w) #endif } -#ifndef WIN32 +#ifndef WIN32 /* Signal utilities */ static RETSIGTYPE (*sys_sigset(int sig, RETSIGTYPE (*func)(int)))(int) { diff --git a/erts/etc/common/run_erl_common.c b/erts/etc/common/run_erl_common.c new file mode 100644 index 0000000000..dc55c2bea4 --- /dev/null +++ b/erts/etc/common/run_erl_common.c @@ -0,0 +1,686 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2014. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> + +#ifdef HAVE_SYSLOG_H +# include <syslog.h> +#endif + +#ifdef __OSE__ +# include "ramlog.h" +#endif + +#include "run_erl_common.h" +#include "safe_string.h" + +#define DEFAULT_LOG_GENERATIONS 5 +#define LOG_MAX_GENERATIONS 1000 /* No more than 1000 log files */ +#define LOG_MIN_GENERATIONS 2 /* At least two to switch between */ +#define DEFAULT_LOG_MAXSIZE 100000 +#define LOG_MIN_MAXSIZE 1000 /* Smallast value for changing log file */ +#define LOG_STUBNAME "erlang.log." +#define LOG_PERM 0664 +#define DEFAULT_LOG_ACTIVITY_MINUTES 5 +#define DEFAULT_LOG_ALIVE_MINUTES 15 +#define DEFAULT_LOG_ALIVE_FORMAT "%a %b %e %T %Z %Y" +#define ALIVE_BUFFSIZ 1024 + +#define STATUSFILENAME "/run_erl.log" + +#define PIPE_STUBNAME "erlang.pipe" +#define PIPE_STUBLEN strlen(PIPE_STUBNAME) +#define PERM (S_IWUSR | S_IRUSR | S_IWOTH | S_IROTH | S_IWGRP | S_IRGRP) + +/* OSE has defined O_SYNC but it is not recognized by open */ +#if !defined(O_SYNC) || defined(__OSE__) +#undef O_SYNC +#define O_SYNC 0 +#define USE_FSYNC 1 +#endif + +/* Global variable definitions + * We need this complex way of handling global variables because of how + * OSE works here. We want to make it possible to run the shell command + * run_erl multiple times with different global variables without them + * effecting eachother. + */ +typedef struct run_erl_ run_erl; + +#ifdef __OSE__ +static OSPPDKEY run_erl_pp_key; +#define RE_DATA (*(run_erl**)ose_get_ppdata(run_erl_pp_key)) +#else +static run_erl re; +#define RE_DATA (&re) +#endif + +#define STATUSFILE (RE_DATA->statusfile) +#define LOG_DIR (RE_DATA->log_dir) +#define STDSTATUS (RE_DATA->stdstatus) +#define LOG_GENERATIONS (RE_DATA->log_generations) +#define LOG_MAXSIZE (RE_DATA->log_maxsize) +#define LOG_ACTIVITY_MINUTES (RE_DATA->log_activity_minutes) +#define LOG_ALIVE_IN_GMT (RE_DATA->log_alive_in_gmt) +#define LOG_ALIVE_FORMAT (RE_DATA->log_alive_format) +#define RUN_DAEMON (RE_DATA->run_daemon) +#define LOG_ALIVE_MINUTES (RE_DATA->log_alive_minutes) +#define LOG_NUM (RE_DATA->log_num) +#define LFD (RE_DATA->lfd) +#define PROTOCOL_VER (RE_DATA->protocol_ver) + +struct run_erl_ { + /* constant config data */ + char statusfile[FILENAME_BUFSIZ]; + char log_dir[FILENAME_BUFSIZ]; + FILE *stdstatus; + int log_generations; + int log_maxsize; + int log_activity_minutes; + int log_alive_in_gmt; + char log_alive_format[ALIVE_BUFFSIZ+1]; + int run_daemon; + int log_alive_minutes; + /* Current log number and log fd */ + int log_num; + int lfd; + unsigned protocol_ver; +}; + +/* prototypes */ + +static int next_log(int log_num); +static int prev_log(int log_num); +static int find_next_log_num(void); +static int open_log(int log_num, int flags); + +/* + * getenv_int: + */ +static char *getenv_int(const char *name) { +#ifdef __OSE__ + return get_env(get_bid(current_process()),name); +#else + return getenv(name); +#endif +} + +/* + * next_log: + * Returns the index number that follows the given index number. + * (Wrapping after log_generations) + */ +static int next_log(int log_num) { + return log_num>=LOG_GENERATIONS?1:log_num+1; +} + +/* + * prev_log: + * Returns the index number that precedes the given index number. + * (Wrapping after log_generations) + */ +static int prev_log(int log_num) { + return log_num<=1?LOG_GENERATIONS:log_num-1; +} + +/* + * find_next_log_num() + * Searches through the log directory to check which logs that already + * exist. It finds the "hole" in the sequence, and returns the index + * number for the last log in the log sequence. If there is no hole, index + * 1 is returned. + */ +static int find_next_log_num(void) { + int i, next_gen, log_gen; + DIR *dirp; + struct dirent *direntp; + int log_exists[LOG_MAX_GENERATIONS+1]; + int stub_len = strlen(LOG_STUBNAME); + + /* Initialize exiting log table */ + + for(i=LOG_GENERATIONS; i>=0; i--) + log_exists[i] = 0; + dirp = opendir(LOG_DIR); + if(!dirp) { + ERRNO_ERR1(LOG_ERR,"Can't access log directory '%s'", LOG_DIR); + exit(1); + } + + /* Check the directory for existing logs */ + + while((direntp=readdir(dirp)) != NULL) { + if(strncmp(direntp->d_name,LOG_STUBNAME,stub_len)==0) { + int num = atoi(direntp->d_name+stub_len); + if(num < 1 || num > LOG_GENERATIONS) + continue; + log_exists[num] = 1; + } + } + closedir(dirp); + + /* Find out the next available log file number */ + + next_gen = 0; + for(i=LOG_GENERATIONS; i>=0; i--) { + if(log_exists[i]) + if(next_gen) + break; + else + ; + else + next_gen = i; + } + + /* Find out the current log file number */ + + if(next_gen) + log_gen = prev_log(next_gen); + else + log_gen = 1; + + return log_gen; +} /* find_next_log_num() */ + +static int open_log(int log_num, int flags) +{ + char buf[FILENAME_MAX]; + time_t now; + struct tm *tmptr; + char log_buffer[ALIVE_BUFFSIZ+1]; + + /* Remove the next log (to keep a "hole" in the log sequence) */ + sn_printf(buf, sizeof(buf), "%s/%s%d", + LOG_DIR, LOG_STUBNAME, next_log(log_num)); + unlink(buf); + + /* Create or continue on the current log file */ + sn_printf(buf, sizeof(buf), "%s/%s%d", LOG_DIR, LOG_STUBNAME, log_num); + + LFD = sf_open(buf, flags, LOG_PERM); + + if(LFD <0){ + ERRNO_ERR1(LOG_ERR,"Can't open log file '%s'.", buf); + exit(1); + } + + /* Write a LOGGING STARTED and time stamp into the log file */ + time(&now); + if (LOG_ALIVE_IN_GMT) { + tmptr = gmtime(&now); + } else { + tmptr = localtime(&now); + } + if (!strftime(log_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT, + tmptr)) { + strn_cpy(log_buffer, sizeof(log_buffer), + "(could not format time in 256 positions " + "with current format string.)"); + } + log_buffer[ALIVE_BUFFSIZ] = '\0'; + + sn_printf(buf, sizeof(buf), "\n=====\n===== LOGGING STARTED %s\n=====\n", + log_buffer); + if (erts_run_erl_write_all(LFD, buf, strlen(buf)) < 0) + erts_run_erl_log_status("Error in writing to log.\n"); + +#if USE_FSYNC + fsync(LFD); +#endif + + return LFD; +} + +/* Instead of making sure basename exists, we do our own */ +char *simple_basename(char *path) +{ + char *ptr; + for (ptr = path; *ptr != '\0'; ++ptr) { + if (*ptr == '/') { + path = ptr + 1; + } + } + return path; +} + +ssize_t sf_read(int fd, void *buffer, size_t len) { + ssize_t n = 0; + + do { n = read(fd, buffer, len); } while (n < 0 && errno == EINTR); + + return n; +} + +ssize_t sf_write(int fd, const void *buffer, size_t len) { + ssize_t n = 0; + + do { n = write(fd, buffer, len); } while (n < 0 && errno == EINTR); + + return n; +} + +int sf_open(const char *path, int type, mode_t mode) { + int fd = 0; + + do { fd = open(path, type, mode); } while(fd < 0 && errno == EINTR); + + return fd; +} + +int sf_close(int fd) { + int res = 0; + + do { res = close(fd); } while(res < 0 && errno == EINTR); + + return res; +} + +/* Call write() until entire buffer has been written or error. + * Return len or -1. + */ +int erts_run_erl_write_all(int fd, const char* buf, int len) +{ + int left = len; + int written; + for (;;) { + do { + written = write(fd,buf,left); + } while (written < 0 && errno == EINTR); + if (written == left) { + return len; + } + if (written < 0) { + return -1; + } + left -= written; + buf += written; + } + return written; +} + +/* erts_run_erl_log_status() + * Prints the arguments to a status file + * Works like printf (see vfrpintf) + */ +void erts_run_erl_log_status(const char *format,...) +{ + va_list args; + time_t now; + + if (STDSTATUS == NULL) + STDSTATUS = fopen(STATUSFILE, "w"); + if (STDSTATUS == NULL) + return; + now = time(NULL); + fprintf(STDSTATUS, "run_erl [%d] %s", +#ifdef __OSE__ + (int)current_process(), +#else + (int)getpid(), +#endif + ctime(&now)); + va_start(args, format); + vfprintf(STDSTATUS, format, args); + va_end(args); + fflush(STDSTATUS); + return; +} + +/* Fetch the current log alive minutes */ +int erts_run_erl_log_alive_minutes() { + return LOG_ALIVE_MINUTES; +} + +/* error_logf() + * Prints the arguments to stderr or syslog + * Works like printf (see vfprintf) + */ +void erts_run_erl_log_error(int priority, int line, const char *format, ...) +{ + va_list args; + va_start(args, format); + +#ifdef HAVE_SYSLOG_H + if (RUN_DAEMON) { + vsyslog(priority,format,args); + } + else +#endif +#ifdef __OSE__ + if (RUN_DAEMON) { + char *buff = malloc(sizeof(char)*1024); + vsnprintf(buff,1024,format, args); + ramlog_printf(buff); + } + else +#endif + { + time_t now = time(NULL); + fprintf(stderr, "run_erl:%d [%d] %s", line, +#ifdef __OSE__ + (int)current_process(), +#else + (int)getpid(), +#endif + ctime(&now)); + vfprintf(stderr, format, args); + } + va_end(args); +} + +/* erts_run_erl_log_write() + * Writes a message to lfd. If the current log file is full, + * a new log file is opened. + */ +int erts_run_erl_log_write(char* buf, size_t len) +{ + int size; + ssize_t res; + /* Decide if new logfile needed, and open if so */ + + size = lseek(LFD,0,SEEK_END); + if(size+len > LOG_MAXSIZE) { + int res; + do { + res = close(LFD); + } while (res < 0 && errno == EINTR); + LOG_NUM = next_log(LOG_NUM); + LFD = open_log(LOG_NUM, O_RDWR|O_CREAT|O_TRUNC|O_SYNC); + } + + /* Write to log file */ + + if ((res = erts_run_erl_write_all(LFD, buf, len)) < 0) { + erts_run_erl_log_status("Error in writing to log.\n"); + } + +#if USE_FSYNC + fsync(LFD); +#endif + return res; +} + +int erts_run_erl_log_activity(int timeout,time_t now,time_t last_activity) { + char log_alive_buffer[ALIVE_BUFFSIZ+1]; + char buf[BUFSIZ]; + + if (timeout || now - last_activity > LOG_ACTIVITY_MINUTES*60) { + /* Either a time out: 15 minutes without action, */ + /* or something is coming in right now, but it's a long time */ + /* since last time, so let's write a time stamp this message */ + struct tm *tmptr; + if (LOG_ALIVE_IN_GMT) { + tmptr = gmtime(&now); + } else { + tmptr = localtime(&now); + } + if (!strftime(log_alive_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT, + tmptr)) { + strn_cpy(log_alive_buffer, sizeof(log_alive_buffer), + "(could not format time in 256 positions " + "with current format string.)"); + } + log_alive_buffer[ALIVE_BUFFSIZ] = '\0'; + + sn_printf(buf, sizeof(buf), "\n===== %s%s\n", + timeout?"ALIVE ":"", log_alive_buffer); + return erts_run_erl_log_write(buf, strlen(buf)); + } + return 0; +} + +int erts_run_erl_log_open() { + + LOG_NUM = find_next_log_num(); + LFD = open_log(LOG_NUM, O_RDWR|O_APPEND|O_CREAT|O_SYNC); + return 0; +} + +int erts_run_erl_log_init(int daemon, char* logdir) { + char *p; + +#ifdef __OSE__ + run_erl **re_pp; + if (!run_erl_pp_key) + ose_create_ppdata("run_erl_ppdata",&run_erl_pp_key); + re_pp = (run_erl **)ose_get_ppdata(run_erl_pp_key); + *re_pp = malloc(sizeof(run_erl)); +#endif + + STDSTATUS = NULL; + LOG_GENERATIONS = DEFAULT_LOG_GENERATIONS; + LOG_MAXSIZE = DEFAULT_LOG_MAXSIZE; + LOG_ACTIVITY_MINUTES = DEFAULT_LOG_ACTIVITY_MINUTES; + LOG_ALIVE_IN_GMT = 0; + RUN_DAEMON = 0; + LOG_ALIVE_MINUTES = DEFAULT_LOG_ALIVE_MINUTES; + LFD = 0; + PROTOCOL_VER = RUN_ERL_LO_VER; /* assume lowest to begin with */ + + /* Get values for LOG file handling from the environment */ + if ((p = getenv_int("RUN_ERL_LOG_ALIVE_MINUTES"))) { + LOG_ALIVE_MINUTES = atoi(p); + if (!LOG_ALIVE_MINUTES) { + ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ALIVE_MINUTES is 1 " + "(current value is %s)",p); + } + LOG_ACTIVITY_MINUTES = LOG_ALIVE_MINUTES / 3; + if (!LOG_ACTIVITY_MINUTES) { + ++LOG_ACTIVITY_MINUTES; + } + } + if ((p = getenv_int( + "RUN_ERL_LOG_ACTIVITY_MINUTES"))) { + LOG_ACTIVITY_MINUTES = atoi(p); + if (!LOG_ACTIVITY_MINUTES) { + ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ACTIVITY_MINUTES is 1 " + "(current value is %s)",p); + } + } + if ((p = getenv_int("RUN_ERL_LOG_ALIVE_FORMAT"))) { + if (strlen(p) > ALIVE_BUFFSIZ) { + ERROR1(LOG_ERR, "RUN_ERL_LOG_ALIVE_FORMAT can contain a maximum of " + "%d characters", ALIVE_BUFFSIZ); + } + strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT), p); + } else { + strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT), + DEFAULT_LOG_ALIVE_FORMAT); + } + if ((p = getenv_int("RUN_ERL_LOG_ALIVE_IN_UTC")) + && strcmp(p,"0")) { + ++LOG_ALIVE_IN_GMT; + } + if ((p = getenv_int("RUN_ERL_LOG_GENERATIONS"))) { + LOG_GENERATIONS = atoi(p); + if (LOG_GENERATIONS < LOG_MIN_GENERATIONS) + ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_GENERATIONS is %d", + LOG_MIN_GENERATIONS); + if (LOG_GENERATIONS > LOG_MAX_GENERATIONS) + ERROR1(LOG_ERR,"Maximum RUN_ERL_LOG_GENERATIONS is %d", + LOG_MAX_GENERATIONS); + } + + if ((p = getenv_int("RUN_ERL_LOG_MAXSIZE"))) { + LOG_MAXSIZE = atoi(p); + if (LOG_MAXSIZE < LOG_MIN_MAXSIZE) + ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_MAXSIZE is %d", LOG_MIN_MAXSIZE); + } + + RUN_DAEMON = daemon; + + strn_cpy(LOG_DIR, sizeof(LOG_DIR), logdir); + strn_cpy(STATUSFILE, sizeof(STATUSFILE), LOG_DIR); + strn_cat(STATUSFILE, sizeof(STATUSFILE), STATUSFILENAME); + + return 0; +} + +/* create_fifo() + * Creates a new fifo with the given name and permission. + */ +static int create_fifo(char *name, int perm) +{ + if ((mkfifo(name, perm) < 0) && (errno != EEXIST)) + return -1; + return 0; +} + +/* + * w- and r_pipename have to be pre-allocated of atleast FILENAME_MAX size + */ +int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename) { + int calculated_pipename = 0; + int highest_pipe_num = 0; + int fd; + + /* + * Create FIFOs and open them + */ + + if(*pipename && pipename[strlen(pipename)-1] == '/') { + /* The user wishes us to find a unique pipe name in the specified */ + /* directory */ + DIR *dirp; + struct dirent *direntp; + + calculated_pipename = 1; + dirp = opendir(pipename); + if(!dirp) { + ERRNO_ERR1(LOG_ERR,"Can't access pipe directory '%s'.", pipename); + return 1; + } + + /* Check the directory for existing pipes */ + + while((direntp=readdir(dirp)) != NULL) { + if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { + int num = atoi(direntp->d_name+PIPE_STUBLEN+1); + if(num > highest_pipe_num) + highest_pipe_num = num; + } + } + closedir(dirp); + strn_catf(pipename, BUFSIZ, "%s.%d", + PIPE_STUBNAME, highest_pipe_num+1); + } /* if */ + + for(;;) { + /* write FIFO - is read FIFO for `to_erl' program */ + strn_cpy(w_pipename, BUFSIZ, pipename); + strn_cat(w_pipename, BUFSIZ, ".r"); + if (create_fifo(w_pipename, PERM) < 0) { + ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.", + w_pipename); + return 1; + } + + /* read FIFO - is write FIFO for `to_erl' program */ + strn_cpy(r_pipename, BUFSIZ, pipename); + strn_cat(r_pipename, BUFSIZ, ".w"); + + /* Check that nobody is running run_erl already */ + if ((fd = sf_open(r_pipename, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { + /* Open as client succeeded -- run_erl is already running! */ + sf_close(fd); + if (calculated_pipename) { + ++highest_pipe_num; + strn_catf(pipename, BUFSIZ, "%s.%d", + PIPE_STUBNAME, highest_pipe_num+1); + continue; + } + ERROR1(LOG_ERR, "Erlang already running on pipe %s.\n", pipename); + unlink(w_pipename); + return 1; + } + if (create_fifo(r_pipename, PERM) < 0) { + unlink(w_pipename); + ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.", + r_pipename); + return 1; + } + break; + } + return 0; +} + +/* Extract any control sequences that are ment only for run_erl + * and should not be forwarded to the pty. + */ +int erts_run_erl_extract_ctrl_seq(char* buf, int len) +{ + static const char prefix[] = "\033_"; + static const char suffix[] = "\033\\"; + char* bufend = buf + len; + char* start = buf; + char* command; + char* end; + + for (;;) { + start = find_str(start, bufend-start, prefix); + if (!start) break; + + command = start + strlen(prefix); + end = find_str(command, bufend-command, suffix); + if (end) { + unsigned col, row; + if (sscanf(command,"version=%u", &PROTOCOL_VER)==1) { + /*fprintf(stderr,"to_erl v%u\n", protocol_ver);*/ + } + else if (sscanf(command,"winsize=%u,%u", &col, &row)==2) { +#ifdef TIOCSWINSZ + struct winsize ws; + ws.ws_col = col; + ws.ws_row = row; + if (ioctl(MFD, TIOCSWINSZ, &ws) < 0) { + ERRNO_ERR0(LOG_ERR,"Failed to set window size"); + } +#endif + } + else { + ERROR2(LOG_ERR, "Ignoring unknown ctrl command '%.*s'\n", + (int)(end-command), command); + } + + /* Remove ctrl sequence from buf */ + end += strlen(suffix); + memmove(start, end, bufend-end); + bufend -= end - start; + } + else { + ERROR2(LOG_ERR, "Missing suffix in ctrl sequence '%.*s'\n", + (int)(bufend-start), start); + break; + } + } + return bufend - buf; +} diff --git a/erts/etc/common/run_erl_common.h b/erts/etc/common/run_erl_common.h new file mode 100644 index 0000000000..c47a0db054 --- /dev/null +++ b/erts/etc/common/run_erl_common.h @@ -0,0 +1,96 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Functions that are common to both OSE and unix implementations of run_erl + */ +#ifndef ERL_RUN_ERL_LOG_H +#define ERL_RUN_ERL_LOG_H + +#include <stdio.h> +#include <time.h> +#include <unistd.h> + +#include "run_erl_vsn.h" + +/* Log handling */ +int erts_run_erl_log_init(int run_daemon, char* logdir); +int erts_run_erl_log_open(void); +int erts_run_erl_log_close(void); +int erts_run_erl_log_write(char *buff, size_t len); +int erts_run_erl_log_activity(int timeout, time_t now, time_t last_activity); + +void erts_run_erl_log_status(const char *format,...); +void erts_run_erl_log_error(int priority, int line, const char *format,...); + +int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename); +int erts_run_erl_log_alive_minutes(void); +int erts_run_erl_extract_ctrl_seq(char* buf, int len); + +/* File operations */ +ssize_t sf_read(int fd, void *buffer, size_t len); +ssize_t sf_write(int fd, const void *buffer, size_t len); +int sf_open(const char *path, int type, mode_t mode); +int sf_close(int fd); +int erts_run_erl_write_all(int fd, const char* buf, int len); +char *simple_basename(char *path); + +#ifndef LOG_ERR +#ifdef __OSE__ +#define LOG_ERR 0 +#else +#define LOG_ERR NULL +#endif +#endif + +#define ERROR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,Format"\n") +#define ERROR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1) +#define ERROR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1,A2) + +#ifdef HAVE_STRERROR +# define ADD_ERRNO(Format) "errno=%d '%s'\n"Format"\n",errno,strerror(errno) +#else +# define ADD_ERRNO(Format) "errno=%d\n"Format"\n",errno +#endif +#define ERRNO_ERR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format)) +#define ERRNO_ERR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1) +#define ERRNO_ERR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1,A2) + +#define RUN_ERL_USAGE \ + "%s (pipe_name|pipe_dir/) log_dir \"command [parameters ...]\"" \ + "\n\nDESCRIPTION:\n" \ + "You may also set the environment variables RUN_ERL_LOG_GENERATIONS\n" \ + "and RUN_ERL_LOG_MAXSIZE to the number of log files to use and the\n" \ + "size of the log file when to switch to the next log file\n" + +#ifndef FILENAME_MAX +#define FILENAME_MAX 250 +#endif + +#define FILENAME_BUFSIZ FILENAME_MAX + +#ifdef O_NONBLOCK +# define DONT_BLOCK_PLEASE O_NONBLOCK +#else +# define DONT_BLOCK_PLEASE O_NDELAY +# ifndef EAGAIN +# define EAGAIN -3898734 +# endif +#endif + +#endif diff --git a/erts/etc/unix/run_erl.h b/erts/etc/common/run_erl_vsn.h index 843cda680c..f6ac753bde 100644 --- a/erts/etc/unix/run_erl.h +++ b/erts/etc/common/run_erl_vsn.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * + * * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -27,4 +27,3 @@ * 0: Older, without version handshake * 1: R12B-3, version handshake + window size ctrl */ - diff --git a/erts/etc/unix/safe_string.c b/erts/etc/common/safe_string.c index a77d9c5456..b2f8814408 100644 --- a/erts/etc/unix/safe_string.c +++ b/erts/etc/common/safe_string.c @@ -1,24 +1,24 @@ /* * %CopyrightBegin% - * + * * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ -/* +/* * Module: safe_string.c - * + * * This is a bunch of generic string operation * that are safe regarding buffer overflow. * @@ -120,4 +120,3 @@ void* memmove(void *dest, const void *src, size_t n) return dest; } #endif /* HAVE_MEMMOVE */ - diff --git a/erts/etc/unix/safe_string.h b/erts/etc/common/safe_string.h index c70e528814..ff063fe641 100644 --- a/erts/etc/unix/safe_string.h +++ b/erts/etc/common/safe_string.h @@ -1,24 +1,24 @@ /* * %CopyrightBegin% - * + * * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ -/* +/* * Module: safe_string.h - * + * * This is an interface to a bunch of generic string operation * that are safe regarding buffer overflow. * @@ -62,4 +62,3 @@ char* find_str(const char* haystack, int size, const char* needle); #ifndef HAVE_MEMMOVE void* memmove(void *dest, const void *src, size_t n); #endif - diff --git a/erts/etc/common/to_erl_common.c b/erts/etc/common/to_erl_common.c new file mode 100644 index 0000000000..a49be44b6c --- /dev/null +++ b/erts/etc/common/to_erl_common.c @@ -0,0 +1,715 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1996-2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Module: to_erl.c + * + * This module implements a process that opens two specified FIFOs, one + * for reading and one for writing; reads from its stdin, and writes what + * it has read to the write FIF0; reads from the read FIFO, and writes to + * its stdout. + * + ________ _________ + | |--<-- pipe.r (fifo1) --<--| | + | to_erl | | run_erl | (parent) + |________|-->-- pipe.w (fifo2) -->--|_________| + ^ master pty + | + | slave pty + ____V____ + | | + | "erl" | (child) + |_________| + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <errno.h> + +#ifdef __OSE__ +#include <aio.h> +#include "ose.h" +#include "efs.h" +#include "ose_spi/fm.sig" +#else /* __UNIX__ */ +#include <termios.h> +#include <signal.h> +#endif + +#ifdef HAVE_SYS_IOCTL_H +# include <sys/ioctl.h> +#endif + +#include "to_erl_common.h" +#include "run_erl_vsn.h" +#include "safe_string.h" /* strn_cpy, strn_catf, sn_printf, etc. */ + +#if defined(O_NONBLOCK) +# define DONT_BLOCK_PLEASE O_NONBLOCK +#else +# define DONT_BLOCK_PLEASE O_NDELAY +# if !defined(EAGAIN) +# define EAGAIN -3898734 +# endif +#endif + +#ifdef HAVE_STRERROR +# define STRERROR(x) strerror(x) +#else +# define STRERROR(x) "" +#endif + +#define noDEBUG + +#ifdef __OSE__ +#define PIPE_DIR "/pipe/" +#else +#define PIPE_DIR "/tmp/" +#endif +#define PIPE_STUBNAME "erlang.pipe" +#define PIPE_STUBLEN strlen(PIPE_STUBNAME) + +#ifdef DEBUG +#define STATUS(s) { fprintf(stderr, (s)); fflush(stderr); } +#else +#define STATUS(s) +#endif + +#ifndef FILENAME_MAX +#define FILENAME_MAX 250 +#endif + +static int tty_eof = 0; +static int protocol_ver = RUN_ERL_LO_VER; /* assume lowest to begin with */ + +static int write_all(int fd, const char* buf, int len); +static int version_handshake(char* buf, int len, int wfd); + + +#ifdef __OSE__ + +#define SET_AIO(REQ,FD,SIZE,BUFF) \ + /* Make sure to clean data structure of previous request */ \ + memset(&(REQ),0,sizeof(REQ)); \ + (REQ).aio_fildes = FD; \ + (REQ).aio_offset = FM_POSITION_CURRENT; \ + (REQ).aio_nbytes = SIZE; \ + (REQ).aio_buf = BUFF; \ + (REQ).aio_sigevent.sigev_notify = SIGEV_NONE + +#define READ_AIO(REQ,FD,SIZE,BUFF) \ + SET_AIO(REQ,FD,SIZE,BUFF); \ + if (aio_read(&(REQ)) != 0) \ + fprintf(stderr,"aio_read of child_read_req(%d) failed\n",FD) + +union SIGNAL { + SIGSELECT signo; + struct FmReadPtr fm_read_ptr; +}; + +#else /* __UNIX__ */ +static int recv_sig = 0; +static struct termios tty_smode, tty_rmode; +static int window_size_seq(char* buf, size_t bufsz); +#ifdef DEBUG +static void show_terminal_settings(struct termios *); +#endif + +static void handle_ctrlc(int sig) +{ + /* Reinstall the handler, and signal break flag */ + signal(SIGINT,handle_ctrlc); + recv_sig = SIGINT; +} + +static void handle_sigwinch(int sig) +{ + recv_sig = SIGWINCH; +} +#endif + +static void usage(char *pname) +{ + fprintf(stderr, "Usage: "); + fprintf(stderr,TO_ERL_USAGE,pname); +} + +int to_erl(int argc, char **argv) +{ + char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX]; + int i, len, wfd, rfd; + char pipename[FILENAME_MAX]; + int pipeIx = 1; + int force_lock = 0; + int got_some = 0; + +#ifdef __OSE__ + struct aiocb stdin_read_req, pipe_read_req; + FmHandle stdin_fh, pipe_fh; + char *stdin_buf, *pipe_buf; + char *buf; + union SIGNAL *sig; +#else /* __UNIX__ */ + char buf[BUFSIZ]; + fd_set readfds; +#endif + + if (argc >= 2 && argv[1][0]=='-') { + switch (argv[1][1]) { + case 'h': + usage(argv[0]); + exit(1); + case 'F': + force_lock = 1; + break; + default: + fprintf(stderr,"Invalid option '%s'\n",argv[1]); + exit(1); + } + pipeIx = 2; + } + +#ifdef DEBUG + fprintf(stderr, "%s: pid is : %d\n", argv[0],(int) +#ifdef __OSE__ + current_process() +#else /* __UNIX__ */ + getpid() +#endif + ); +#endif + + strn_cpy(pipename, sizeof(pipename), + (argv[pipeIx] ? argv[pipeIx] : PIPE_DIR)); + + if(*pipename && pipename[strlen(pipename)-1] == '/') { + /* The user wishes us to find a pipe name in the specified */ + /* directory */ + int highest_pipe_num = 0; + DIR *dirp; + struct dirent *direntp; + + dirp = opendir(pipename); + if(!dirp) { + fprintf(stderr, "Can't access pipe directory %s: %s\n", pipename, strerror(errno)); + exit(1); + } + + /* Check the directory for existing pipes */ + + while((direntp=readdir(dirp)) != NULL) { + if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { + int num = atoi(direntp->d_name+PIPE_STUBLEN+1); + if(num > highest_pipe_num) + highest_pipe_num = num; + } + } + closedir(dirp); + strn_catf(pipename, sizeof(pipename), (highest_pipe_num?"%s.%d":"%s"), + PIPE_STUBNAME, highest_pipe_num); + } /* if */ + + /* read FIFO */ + sn_printf(FIFO1,sizeof(FIFO1),"%s.r",pipename); + /* write FIFO */ + sn_printf(FIFO2,sizeof(FIFO2),"%s.w",pipename); + +#ifndef __OSE__ + /* Check that nobody is running to_erl on this pipe already */ + if ((wfd = open (FIFO1, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { + /* Open as server succeeded -- to_erl is already running! */ + close(wfd); + fprintf(stderr, "Another to_erl process already attached to pipe " + "%s.\n", pipename); + if (force_lock) { + fprintf(stderr, "But we proceed anyway by force (-F).\n"); + } + else { + exit(1); + } + } +#endif + + if ((rfd = open (FIFO1, O_RDONLY|DONT_BLOCK_PLEASE, 0)) < 0) { +#ifdef DEBUG + fprintf(stderr, "Could not open FIFO %s for reading.\n", FIFO1); +#endif + fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); + exit(1); + } +#ifdef DEBUG + fprintf(stderr, "to_erl: %s opened for reading\n", FIFO1); +#endif + + if ((wfd = open (FIFO2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) < 0) { +#ifdef DEBUG + fprintf(stderr, "Could not open FIFO %s for writing.\n", FIFO2); +#endif + fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); + close(rfd); + exit(1); + } +#ifdef DEBUG + fprintf(stderr, "to_erl: %s opened for writing\n", FIFO2); +#endif + +#ifndef __OSE__ + fprintf(stderr, "Attaching to %s (^D to exit)\n\n", pipename); +#else + fprintf(stderr, "Attaching to %s (^C to exit)\n\n", pipename); +#endif + +#ifndef __OSE__ + /* Set break handler to our handler */ + signal(SIGINT,handle_ctrlc); + + /* + * Save the current state of the terminal, and set raw mode. + */ + if (tcgetattr(0, &tty_rmode) , 0) { + fprintf(stderr, "Cannot get terminals current mode\n"); + exit(-1); + } + tty_smode = tty_rmode; + tty_eof = '\004'; /* Ctrl+D to exit */ +#ifdef DEBUG + show_terminal_settings(&tty_rmode); +#endif + tty_smode.c_iflag = + 1*BRKINT |/*Signal interrupt on break.*/ + 1*IGNPAR |/*Ignore characters with parity errors.*/ + 1*ISTRIP |/*Strip character.*/ + 0; + +#if 0 +0*IGNBRK |/*Ignore break condition.*/ +0*PARMRK |/*Mark parity errors.*/ +0*INPCK |/*Enable input parity check.*/ +0*INLCR |/*Map NL to CR on input.*/ +0*IGNCR |/*Ignore CR.*/ +0*ICRNL |/*Map CR to NL on input.*/ +0*IUCLC |/*Map upper-case to lower-case on input.*/ +0*IXON |/*Enable start/stop output control.*/ +0*IXANY |/*Enable any character to restart output.*/ +0*IXOFF |/*Enable start/stop input control.*/ +0*IMAXBEL|/*Echo BEL on input line too long.*/ +#endif + + tty_smode.c_oflag = + 1*OPOST |/*Post-process output.*/ + 1*ONLCR |/*Map NL to CR-NL on output.*/ +#ifdef XTABS + 1*XTABS |/*Expand tabs to spaces. (Linux)*/ +#endif +#ifdef OXTABS + 1*OXTABS |/*Expand tabs to spaces. (FreeBSD)*/ +#endif +#ifdef NL0 + 1*NL0 |/*Select newline delays*/ +#endif +#ifdef CR0 + 1*CR0 |/*Select carriage-return delays*/ +#endif +#ifdef TAB0 + 1*TAB0 |/*Select horizontal tab delays*/ +#endif +#ifdef BS0 + 1*BS0 |/*Select backspace delays*/ +#endif +#ifdef VT0 + 1*VT0 |/*Select vertical tab delays*/ +#endif +#ifdef FF0 + 1*FF0 |/*Select form feed delays*/ +#endif + 0; + +#if 0 +0*OLCUC |/*Map lower case to upper on output.*/ +0*OCRNL |/*Map CR to NL on output.*/ +0*ONOCR |/*No CR output at column 0.*/ +0*ONLRET |/*NL performs CR function.*/ +0*OFILL |/*Use fill characters for delay.*/ +0*OFDEL |/*Fill is DEL, else NULL.*/ +0*NL1 | +0*CR1 | +0*CR2 | +0*CR3 | +0*TAB1 | +0*TAB2 | +0*TAB3 |/*Expand tabs to spaces.*/ +0*BS1 | +0*VT1 | +0*FF1 | +#endif + + /* JALI: removed setting the tty_smode.c_cflag flags, since this is not */ + /* advisable if this is a *real* terminal, such as the console. In fact */ + /* this may hang the entire machine, deep, deep down (signalling break */ + /* or toggling the abort switch doesn't help) */ + + tty_smode.c_lflag = + 0; + +#if 0 +0*ISIG |/*Enable signals.*/ +0*ICANON |/*Canonical input (erase and kill processing).*/ +0*XCASE |/*Canonical upper/lower presentation.*/ +0*ECHO |/*Enable echo.*/ +0*ECHOE |/*Echo erase character as BS-SP-BS.*/ +0*ECHOK |/*Echo NL after kill character.*/ +0*ECHONL |/*Echo NL.*/ +0*NOFLSH |/*Disable flush after interrupt or quit.*/ +0*TOSTOP |/*Send SIGTTOU for background output.*/ +0*ECHOCTL|/*Echo control characters as ^char, delete as ^?.*/ +0*ECHOPRT|/*Echo erase character as character erased.*/ +0*ECHOKE |/*BS-SP-BS erase entire line on line kill.*/ +0*FLUSHO |/*Output is being flushed.*/ +0*PENDIN |/*Retype pending input at next read or input character.*/ +0*IEXTEN |/*Enable extended (implementation-defined) functions.*/ +#endif + + tty_smode.c_cc[VMIN] =0;/* Note that VMIN is the same as VEOF! */ + tty_smode.c_cc[VTIME] =0;/* Note that VTIME is the same as VEOL! */ + tty_smode.c_cc[VINTR] =3; + + tcsetattr(0, TCSADRAIN, &tty_smode); + +#ifdef DEBUG + show_terminal_settings(&tty_smode); +#endif + +#endif /* !__OSE__ */ + /* + * "Write a ^L to the FIFO which causes the other end to redisplay + * the input line." + * This does not seem to work as was intended in old comment above. + * However, this control character is now (R12B-3) used by run_erl + * to trigger the version handshaking between to_erl and run_erl + * at the start of every new to_erl-session. + */ + + if (write(wfd, "\014", 1) < 0) { + fprintf(stderr, "Error in writing ^L to FIFO.\n"); + } + +#ifdef __OSE__ + /* we have a tiny stack so we malloc the buffers */ + stdin_buf = malloc(sizeof(char) * BUFSIZ); + pipe_buf = malloc(sizeof(char) * BUFSIZ); + + efs_examine_fd(rfd,FLIB_FD_HANDLE,&pipe_fh); + efs_examine_fd(0,FLIB_FD_HANDLE,&stdin_fh); + READ_AIO(stdin_read_req,0,BUFSIZ,stdin_buf); + READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_buf); +#endif + + /* + * read and write + */ + while (1) { +#ifndef __OSE__ + FD_ZERO(&readfds); + FD_SET(0, &readfds); + FD_SET(rfd, &readfds); + if (select(rfd + 1, &readfds, NULL, NULL, NULL) < 0) { + if (recv_sig) { + FD_ZERO(&readfds); + } + else { + fprintf(stderr, "Error in select.\n"); + break; + } + } + len = 0; + + /* + * Read from terminal and write to FIFO + */ + if (recv_sig) { + switch (recv_sig) { + case SIGINT: + fprintf(stderr, "[Break]\n\r"); + buf[0] = '\003'; + len = 1; + break; + case SIGWINCH: + len = window_size_seq(buf,sizeof(buf)); + break; + default: + fprintf(stderr,"Unexpected signal: %u\n",recv_sig); + } + recv_sig = 0; + } + else +#else /* __OSE__ */ + SIGSELECT sigsel[] = {0}; + sig = receive(sigsel); + len = 0; +#endif +#ifndef __OSE__ + if (FD_ISSET(0,&readfds)) { + len = read(0, buf, sizeof(buf)); +#else /* __OSE__ */ + if (sig->signo == FM_READ_PTR_REPLY && + sig->fm_read_ptr.handle == stdin_fh) { + len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1; + buf = sig->fm_read_ptr.buffer; +#endif + if (len <= 0) { + close(rfd); + close(wfd); + if (len < 0) { + fprintf(stderr, "Error in reading from stdin.\n"); + } else { + fprintf(stderr, "[EOF]\n\r"); + } + break; + } + /* check if there is an eof character in input */ + for (i = 0; i < len-1 && buf[i] != tty_eof; i++); + if (buf[i] == tty_eof) { + fprintf(stderr, "[Quit]\n\r"); + break; + } + } + + if (len) { +#ifdef DEBUG + if(write(1, buf, len)); +#endif + if (write_all(wfd, buf, len) != len) { + fprintf(stderr, "Error in writing to FIFO.\n"); + close(rfd); + close(wfd); + break; + } + STATUS("\" OK\r\n"); +#ifdef __OSE__ + aio_dispatch(sig); + READ_AIO(stdin_read_req, 0, BUFSIZ, stdin_buf); +#endif + } + + /* + * Read from FIFO, write to terminal. + */ +#ifndef __OSE__ + if (FD_ISSET(rfd, &readfds)) { + STATUS("FIFO read: "); + len = read(rfd, buf, BUFSIZ); +#else /* __OSE__ */ + if (sig->signo == FM_READ_PTR_REPLY && + sig->fm_read_ptr.handle == pipe_fh) { + len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1; + buf = sig->fm_read_ptr.buffer; +#endif + if (len < 0 && errno == EAGAIN) { + /* + * No data this time, but the writing end of the FIFO is still open. + * Do nothing. + */ + ; + } else if (len <= 0) { + /* + * Either an error or end of file. In either case, break out + * of the loop. + */ + close(rfd); + close(wfd); + if (len < 0) { + fprintf(stderr, "Error in reading from FIFO.\n"); + } else + fprintf(stderr, "[End]\n\r"); + break; + } else { + if (!got_some) { + if ((len=version_handshake(buf,len,wfd)) < 0) { + close(rfd); + close(wfd); + break; + } +#ifndef __OSE__ + if (protocol_ver >= 1) { + /* Tell run_erl size of terminal window */ + signal(SIGWINCH, handle_sigwinch); + raise(SIGWINCH); + } +#endif + got_some = 1; + } + + /* + * We successfully read at least one character. Write what we got. + */ + STATUS("Terminal write: \""); + if (write_all(1, buf, len) != len) { + fprintf(stderr, "Error in writing to terminal.\n"); + close(rfd); + close(wfd); + break; + } + STATUS("\" OK\r\n"); +#ifdef __OSE__ + aio_dispatch(sig); + READ_AIO(pipe_read_req, rfd, BUFSIZ, pipe_buf); +#endif + } + } + } + +#ifndef __OSE__ + /* + * Reset terminal characterstics + * XXX + */ + tcsetattr(0, TCSADRAIN, &tty_rmode); +#endif + return 0; +} + +/* Call write() until entire buffer has been written or error. + * Return len or -1. + */ +static int write_all(int fd, const char* buf, int len) +{ + int left = len; + int written; + while (left) { + written = write(fd,buf,left); + if (written < 0) { + return -1; + } + left -= written; + buf += written; + } + return len; +} + +#ifndef __OSE__ +static int window_size_seq(char* buf, size_t bufsz) +{ +#ifdef TIOCGWINSZ + struct winsize ws; + static const char prefix[] = "\033_"; + static const char suffix[] = "\033\\"; + /* This Esc sequence is called "Application Program Command" + and seems suitable to use for our own customized stuff. */ + + if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == 0) { + int len = sn_printf(buf, bufsz, "%swinsize=%u,%u%s", + prefix, ws.ws_col, ws.ws_row, suffix); + return len; + } +#endif /* TIOCGWINSZ */ + return 0; +} +#endif /* !__OSE__ */ + +/* to_erl run_erl + * | | + * |---------- '\014' -------->| (session start) + * | | + * |<---- "[run_erl v1-0]" ----| (version interval) + * | | + * |--- Esc_"version=1"Esc\ -->| (common version) + * | | + */ +static int version_handshake(char* buf, int len, int wfd) +{ + unsigned re_high=0, re_low; + char *end = find_str(buf,len,"]\n"); + + if (end && sscanf(buf,"[run_erl v%u-%u",&re_high,&re_low)==2) { + char wbuf[30]; + int wlen; + + if (re_low > RUN_ERL_HI_VER || re_high < RUN_ERL_LO_VER) { + fprintf(stderr,"Incompatible versions: to_erl=v%u-%u run_erl=v%u-%u\n", + RUN_ERL_HI_VER, RUN_ERL_LO_VER, re_high, re_low); + return -1; + } + /* Choose highest common version */ + protocol_ver = re_high < RUN_ERL_HI_VER ? re_high : RUN_ERL_HI_VER; + + wlen = sn_printf(wbuf, sizeof(wbuf), "\033_version=%u\033\\", + protocol_ver); + if (write_all(wfd, wbuf, wlen) < 0) { + fprintf(stderr,"Failed to send version handshake\n"); + return -1; + } + end += 2; + len -= (end-buf); + memmove(buf,end,len); + + } + else { /* we assume old run_erl without version handshake */ + protocol_ver = 0; + } + + if (re_high != RUN_ERL_HI_VER) { + fprintf(stderr,"run_erl has different version, " + "using common protocol level %u\n", protocol_ver); + } + + return len; +} + + +#if defined(DEBUG) && !defined(__OSE__) +#define S(x) ((x) > 0 ? 1 : 0) + +static void show_terminal_settings(struct termios *t) +{ + fprintf(stderr,"c_iflag:\n"); + fprintf(stderr,"Signal interrupt on break: BRKINT %d\n", S(t->c_iflag & BRKINT)); + fprintf(stderr,"Map CR to NL on input: ICRNL %d\n", S(t->c_iflag & ICRNL)); + fprintf(stderr,"Ignore break condition: IGNBRK %d\n", S(t->c_iflag & IGNBRK)); + fprintf(stderr,"Ignore CR: IGNCR %d\n", S(t->c_iflag & IGNCR)); + fprintf(stderr,"Ignore char with par. err's: IGNPAR %d\n", S(t->c_iflag & IGNPAR)); + fprintf(stderr,"Map NL to CR on input: INLCR %d\n", S(t->c_iflag & INLCR)); + fprintf(stderr,"Enable input parity check: INPCK %d\n", S(t->c_iflag & INPCK)); + fprintf(stderr,"Strip character ISTRIP %d\n", S(t->c_iflag & ISTRIP)); + fprintf(stderr,"Enable start/stop input ctrl IXOFF %d\n", S(t->c_iflag & IXOFF)); + fprintf(stderr,"ditto output ctrl IXON %d\n", S(t->c_iflag & IXON)); + fprintf(stderr,"Mark parity errors PARMRK %d\n", S(t->c_iflag & PARMRK)); + fprintf(stderr,"\n"); + fprintf(stderr,"c_oflag:\n"); + fprintf(stderr,"Perform output processing OPOST %d\n", S(t->c_oflag & OPOST)); + fprintf(stderr,"\n"); + fprintf(stderr,"c_cflag:\n"); + fprintf(stderr,"Ignore modem status lines CLOCAL %d\n", S(t->c_cflag & CLOCAL)); + fprintf(stderr,"\n"); + fprintf(stderr,"c_local:\n"); + fprintf(stderr,"Enable echo ECHO %d\n", S(t->c_lflag & ECHO)); + fprintf(stderr,"\n"); + fprintf(stderr,"c_cc:\n"); + fprintf(stderr,"c_cc[VEOF] %d\n", t->c_cc[VEOF]); +} +#endif /* DEBUG && !__OSE__ */ diff --git a/erts/etc/common/to_erl_common.h b/erts/etc/common/to_erl_common.h new file mode 100644 index 0000000000..9967db94b8 --- /dev/null +++ b/erts/etc/common/to_erl_common.h @@ -0,0 +1,28 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +#ifndef ERL_TO_ERL_H +#define ERL_TO_ERL_H + +#define TO_ERL_USAGE "to_erl [-h|-F] %s\n" \ + "\t-h\tThis help text.\n" \ + "\t-f\tForce connection even though pipe is locked by other to_erl process." + +int to_erl(int argc, char **argv); + +#endif diff --git a/erts/etc/ose/run_erl.c b/erts/etc/ose/run_erl.c new file mode 100644 index 0000000000..6bb59b7f7e --- /dev/null +++ b/erts/etc/ose/run_erl.c @@ -0,0 +1,663 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Module: run_erl.c + * + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +/* System includes */ +#include <aio.h> +#include <errno.h> +#include <dirent.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <sys/stat.h> +#include <unistd.h> + +/* OSE includes */ +#include "ose.h" +#include "ose_spi/ose_spi.h" +#include "efs.h" +#include "pm.h" +#include "ose_spi/fm.sig" + +/* erts includes */ +#include "run_erl.h" +#include "run_erl_common.h" +#include "safe_string.h" /* sn_printf, strn_cpy, strn_cat, etc */ + +typedef struct RunErlSetup_ { + SIGSELECT signo; + int run_daemon; + char *logdir; + char *command; + char *pipename; + char *blockname; +} RunErlSetup; + +typedef struct ProgramState_ { + /* child process */ + int ifd, ofd; + OSDOMAIN domain; + PROCESS progpid, mainbid; + struct PmProgramInfo *info; + /* to_erl */ + char w_pipe[FILENAME_BUFSIZ], + r_pipe[FILENAME_BUFSIZ]; +} ProgramState; + +union SIGNAL { + SIGSELECT signo; + RunErlSetup setup; + struct FmReadPtr fm_read_ptr; + struct FmWritePtr fm_write_ptr; +}; + +static OSBOOLEAN hunt_in_block(char *block_name, + char *process_name, + PROCESS *pid); +static int create_child_process(char *command_string, char *blockname, + ProgramState *state); + + +static OSBOOLEAN hunt_in_block(char *block_name, + char *process_name, + PROCESS *pid) { + struct OS_pid_list *list; + PROCESS block_id = OSE_ILLEGAL_PROCESS; + int i; + char *name; + + *pid = OSE_ILLEGAL_PROCESS; + + list = get_bid_list(0); + + if (!list) + return 0; + + for (i = 0; i < list->count; i++) { + + if (list->list[i] == get_bid(current_process())) + continue; + + name = (char*)get_pid_info(list->list[i], OSE_PI_NAME); + if (name) { + if (strcmp(name,block_name) == 0) { + block_id = list->list[i]; + free_buf((union SIGNAL**)&name); + break; + } + free_buf((union SIGNAL**)&name); + } + } + + free_buf((union SIGNAL**)&list); + + if (block_id == OSE_ILLEGAL_PROCESS) + return 0; + + list = get_pid_list(block_id); + + if (!list) + return 0; + + for (i = 0; i < list->count; i++) { + name = (char*)get_pid_info(list->list[i], OSE_PI_NAME); + if (name) { + if (strcmp(name,process_name) == 0) { + *pid = list->list[i]; + free_buf((union SIGNAL**)&name); + break; + } + free_buf((union SIGNAL**)&name); + } + } + + free_buf((union SIGNAL**)&list); + + if (*pid == OSE_ILLEGAL_PROCESS) + return 0; + + return 1; + +} + + +static int create_child_process(char *command_string, char *blockname, + ProgramState *state) { + char *command = command_string; + char *argv; + int i = 0; + int ret_status; + PmStatus pm_status; + int tmp_io[2]; + int fd_arr[3]; + int ifd[2], ofd[2]; + char *handle; + struct PmLoadModuleInfoReply *mod_info; + + /* Parse out cmd and argv from the command string */ + while (1) { + if (command[i] == ' ' || command[i] == '\0') { + if (command[i] == '\0') + argv = NULL; + else { + command[i] = '\0'; + argv = command_string + i + 1; + } + break; + } + i++; + } + + if (blockname) + handle = blockname; + else + handle = simple_basename(command); + + if (ose_pm_load_module_info(handle,&mod_info) == PM_SUCCESS) { + /* Already installed */ + free_buf((union SIGNAL**)&mod_info); + } else if ((pm_status = ose_pm_install_load_module(0,"ELF",command,handle,0,0,NULL)) + != PM_SUCCESS) { + ERROR1(LOG_ERR,"ose_pm_install_load_module failed - pmstatus: 0x%08x\n", + pm_status); + return 0; + } + + state->domain = PM_NEW_DOMAIN; + + pm_status = ose_pm_create_program(&state->domain, handle, 0, 0 , NULL, + &state->progpid, &state->mainbid); + + if (pm_status != PM_SUCCESS) { + if (pm_status == PM_EINSTALL_HANDLE_IN_USE) + ERROR1(LOG_ERR,"ose_pm_create_program failed - " + "install handle \"%s\" is in use. You can specify another " + "install handle by using the -block option to run_erl.\n",handle); + else + ERROR1(LOG_ERR,"ose_pm_create_program failed - pmstatus: 0x%08x\n", + pm_status); + return 0; + } + + pm_status = ose_pm_program_info(state->progpid, &state->info); + /* FIXME don't forget to free this ((union SIGNAL **)&info) */ + if (pm_status != PM_SUCCESS) { + ERROR1(LOG_ERR,"ose_pm_program_info failed - pmstatus: 0x%08x\n", + pm_status); + return 0; + } + + /* We only clone stdin+stdout, what about stderr? */ + + /* create pipes */ + if (pipe(ifd) < 0) { + if (errno == ENOENT) + ERRNO_ERR0(LOG_ERR,"The /pipe file system is not available\n"); + else + ERRNO_ERR0(LOG_ERR,"pipe ifd failed\n"); + return 0; + } + + if (pipe(ofd) < 0) { + ERRNO_ERR0(LOG_ERR,"pipe ofd failed\n"); + return 0; + } + + /* FIXME Lock? */ + + /* backup our stdin stdout */ + if ((tmp_io[0] = dup(0)) < 0) { + ERRNO_ERR0(LOG_ERR,"dup 0 failed\n"); + return 0; + } + + if ((tmp_io[1] = dup(1)) < 0) { + ERRNO_ERR0(LOG_ERR,"dup 1 failed\n"); + return 0; + } + + /* set new pipe to fd 0,1 */ + if (dup2(ifd[1], 1) < 0) { + ERRNO_ERR0(LOG_ERR,"dup2 1 failed\n"); + return 0; + } + + if (dup2(ofd[0], 0) < 0) { + ERRNO_ERR0(LOG_ERR,"dup2 0 failed\n"); + return 0; + } + + /* clone array to newly created */ + fd_arr[0] = 2; /* Number of fd's */ + fd_arr[1] = 0; + fd_arr[2] = 1; + + if ((ret_status = efs_clone_array(state->info->main_process, fd_arr)) + != EFS_SUCCESS) { + ERROR1(LOG_ERR,"efs_close_array filed, errcode: %d\n", ret_status); + return 0; + } + + if (dup2(tmp_io[1], 1) < 0) { + ERRNO_ERR0(LOG_ERR,"restoring dup2 1 failed\n"); + return 0; + } + + if (dup2(tmp_io[0], 0) < 0) { + ERRNO_ERR0(LOG_ERR,"restoring dup2 1 failed\n"); + return 0; + } + + /* close loose-ends */ + sf_close(tmp_io[0]); + sf_close(tmp_io[1]); + sf_close(ifd[1]); + sf_close(ofd[0]); + state->ifd = ifd[0]; + state->ofd = ofd[1]; + + if (argv && set_env(state->progpid, "ARGV", argv)) { + ERRNO_ERR0(LOG_ERR,"something went wrong with set_env\n"); + } + + /* + * Start the program. + */ + pm_status = ose_pm_start_program(state->progpid); + if (pm_status != PM_SUCCESS) { + ERROR1(LOG_ERR,"ose_pm_install_load_module failed - pmstatus: 0x%08x\n", + pm_status); + return 0; + } + + return 1; +} + +#define SET_AIO(REQ,FD,SIZE,BUFF) \ + /* Make sure to clean data structure of previous request */ \ + memset(&(REQ),0,sizeof(REQ)); \ + (REQ).aio_fildes = FD; \ + (REQ).aio_offset = FM_POSITION_CURRENT; \ + (REQ).aio_nbytes = SIZE; \ + (REQ).aio_buf = BUFF; \ + (REQ).aio_sigevent.sigev_notify = SIGEV_NONE + +#define READ_AIO(REQ,FD,SIZE,BUFF) do { \ + SET_AIO(REQ,FD,SIZE,BUFF); \ + if (aio_read(&(REQ)) != 0) \ + ERRNO_ERR1(LOG_ERR,"aio_read of child_read_req(%d) failed\n",FD); \ + } while (0) + +#define WRITE_AIO(FD,SIZE,BUFF) do { \ + struct aiocb *write_req = malloc(sizeof(struct aiocb)); \ + char *write_buff = malloc(sizeof(char)*SIZE); \ + memcpy(write_buff,BUFF,SIZE); \ + SET_AIO(*write_req,FD,SIZE,write_buff); \ + if (aio_write(write_req) != 0) \ + ERRNO_ERR1(LOG_ERR,"aio_write of write_req(%d) failed\n",FD); \ + } while(0) + +int pass_on(ProgramState *state); +int pass_on(ProgramState *s) { + SIGSELECT sigsel[] = {0,FM_READ_PTR_REPLY}; + union SIGNAL *sig; + char child_read_buff[BUFSIZ], pipe_read_buff[BUFSIZ]; + struct aiocb child_read_req, pipe_read_req; + int rfd, wfd = 0; + FmHandle rfh, child_rfh; + int outstanding_writes = 0, got_some = 0, child_done = 0; + + if ((rfd = sf_open(s->r_pipe, O_RDONLY, 0)) < 0) { + ERRNO_ERR1(LOG_ERR,"Could not open FIFO '%s' for reading.\n", s->r_pipe); + rfd = 0; + return 1; + } + + attach(NULL,s->progpid); + + /* Open the log file */ + erts_run_erl_log_open(); + + efs_examine_fd(rfd,FLIB_FD_HANDLE,&rfh); + efs_examine_fd(s->ifd,FLIB_FD_HANDLE,&child_rfh); + + READ_AIO(child_read_req,s->ifd,BUFSIZ,child_read_buff); + READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_read_buff); + + while (1) { + time_t now,last_activity; + + time(&last_activity); + sig = receive_w_tmo(erts_run_erl_log_alive_minutes()*60000,sigsel); + + time(&now); + + if (sig) { + erts_run_erl_log_activity(0,now,last_activity); + } else { + /* timeout */ + erts_run_erl_log_activity(1,now,last_activity); + continue; + } + + switch (sig->signo) { + case OS_ATTACH_SIG: { + if (rfd) { sf_close(rfd); rfd = 0; } + free_buf(&sig); + child_done = 1; + /* Make sure to to let all outstanding write request finish */ + if (outstanding_writes) + break; + if (wfd) sf_close(wfd); + return 0; + } + case FM_WRITE_PTR_REPLY: { + if (sig->fm_write_ptr.status == EFS_SUCCESS) { + if (sig->fm_write_ptr.actual < sig->fm_write_ptr.requested) { + WRITE_AIO(wfd, sig->fm_write_ptr.requested-sig->fm_write_ptr.actual, + sig->fm_write_ptr.buffer+sig->fm_write_ptr.actual); + } + } else { + /* Assume to_erl has terminated. */ + sf_close(wfd); + wfd = 0; + } + free((char*)sig->fm_write_ptr.buffer); + aio_dispatch(sig); + if ((--outstanding_writes == 0) && child_done) { + if (wfd) sf_close(wfd); + return 0; + } + break; + } + case FM_READ_PTR_REPLY: { + /* Child fd */ + if (sig->fm_read_ptr.handle == child_rfh) { + + /* Child terminated */ + if (sig->fm_read_ptr.status != EFS_SUCCESS || + sig->fm_read_ptr.actual == 0) { + + if (rfd) { sf_close(rfd); rfd = 0; } + + if (sig->fm_read_ptr.status != EFS_SUCCESS) { + ERROR0(LOG_ERR,"Erlang closed the connection."); + aio_dispatch(sig); + return 1; + } + + /* child closed connection gracefully */ + aio_dispatch(sig); + if (outstanding_writes) { + child_done = 1; + break; + } + + if (wfd) sf_close(wfd); + + return 0; + } else { + erts_run_erl_log_write(sig->fm_read_ptr.buffer, + sig->fm_read_ptr.actual); + if (wfd) { + WRITE_AIO(wfd, sig->fm_read_ptr.actual, sig->fm_read_ptr.buffer); + outstanding_writes++; + } + aio_dispatch(sig); + READ_AIO(child_read_req, s->ifd,BUFSIZ, child_read_buff); + } + /* pipe fd */ + } else if (sig->fm_read_ptr.handle == rfh) { + if (sig->fm_read_ptr.status != EFS_SUCCESS) { + if(rfd) sf_close(rfd); + if(wfd) sf_close(wfd); + aio_dispatch(sig); + ERRNO_ERR0(LOG_ERR,"Error in reading from FIFO."); + return 1; + } + if (sig->fm_read_ptr.actual == 0) { + /* to_erl closed its end of the pipe */ + aio_dispatch(sig); + sf_close(rfd); + rfd = sf_open(s->r_pipe,O_RDONLY|DONT_BLOCK_PLEASE, 0); + if (rfd < 0) { + ERRNO_ERR1(LOG_ERR,"Could not open FIFO '%s' for reading.", + s->r_pipe); + rfd = 0; + } else { + READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_read_buff); + } + got_some = 0; /* reset for next session */ + } else { + int len = sig->fm_read_ptr.actual; + char *buffer = sig->fm_read_ptr.buffer; + if (!wfd) { + /* Try to open the write pipe to to_erl. Now that we got some data + * from to_erl, to_erl should already be reading this pipe - open + * should succeed. But in case of error, we just ignore it. + */ + if ((wfd = sf_open(s->w_pipe, O_WRONLY|DONT_BLOCK_PLEASE, 0)) < 0) { + erts_run_erl_log_status("Client expected on FIFO %s, " + "but can't open (len=%d)\n", + s->w_pipe, sig->fm_read_ptr.actual); + sf_close(rfd); + rfd = sf_open(s->r_pipe, O_RDONLY|DONT_BLOCK_PLEASE, 0); + if (rfd < 0) { + ERRNO_ERR1(LOG_ERR,"Could not open FIFO '%s' for reading.", + s->r_pipe); + return 1; + } + wfd = 0; + } else { +#ifdef DEBUG + erts_run_erl_log_status("run_erl: %s opened for writing\n", + s->w_pipe); +#endif + } + } + + if (!got_some && wfd && buffer[0] == '\014') { + char wbuf[30]; + int wlen = sn_printf(wbuf,sizeof(wbuf),"[run_erl v%u-%u]\n", + RUN_ERL_HI_VER, RUN_ERL_LO_VER); + /* For some reason this, the first write aio seems to + not get an FM_WRITE_PTR_REPLY, so we do not do: + outstanding_writes++; + */ + WRITE_AIO(wfd, wlen, wbuf); + } + got_some = 1; + + /* Write the message */ +#ifdef DEBUG + erts_run_erl_log_status("Pty master write; "); +#endif + len = erts_run_erl_extract_ctrl_seq(buffer,len); + + if (len > 0) { + int wlen = erts_run_erl_write_all(s->ofd, buffer, len); + if (wlen != len) { + aio_dispatch(sig); + ERRNO_ERR0(LOG_ERR,"Error in writing to terminal."); + if(rfd) sf_close(rfd); + if(wfd) sf_close(wfd); + return 1; + } + } +#ifdef DEBUG + erts_run_erl_log_status("OK\n"); +#endif + aio_dispatch(sig); + READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_read_buff); + } + } + break; + } + default: { + free_buf(&sig); + break; + } + } + } +} + +OS_PROCESS(run_erl_process) { + char *logdir, *command, *blockname; + SIGSELECT sigsel[] = {1,ERTS_SIGNAL_RUN_ERL_SETUP}; + union SIGNAL *sig = receive(sigsel); + ProgramState state; + char pipename[FILENAME_BUFSIZ]; + + state.info = NULL; + + logdir = strdup(sig->setup.logdir); + command = strdup(sig->setup.command); + strn_cpy(pipename,sizeof(pipename),sig->setup.pipename); + + if (sig->setup.blockname) + blockname = strdup(sig->setup.blockname); + else + blockname = NULL; + + erts_run_erl_log_init(sig->setup.run_daemon, logdir); + + free_buf(&sig); + + if (erts_run_erl_open_fifo(pipename,state.w_pipe,state.r_pipe)) + kill_proc(current_process()); + + if (create_child_process(command,blockname,&state)) + pass_on(&state); + + free(logdir); + free(command); + if (blockname) + free(blockname); + + if (state.info) + free_buf(((union SIGNAL**)&state.info)); + + sf_close(state.ifd); + sf_close(state.ofd); + + unlink(state.w_pipe); + unlink(state.r_pipe); + + kill_proc(current_process()); +} + +int run_erl(int argc,char **argv) { + char *pipename, *logdir, *command, *blockname = NULL; + int pipename_len, logdir_len, command_len, blockname_len = 0; + int i = 1, run_daemon = 0; + PROCESS pid; + SIGSELECT sigsel[] = {0}; + union SIGNAL *sig; + + if(argc < 4) { + fprintf(stderr,RUN_ERL_USAGE,"run_erl"); + return 1; + } + + while (1) { + if (argv[i][0] != '-') + break; + if (!strcmp(argv[i],"-daemon")) { + run_daemon = 1; + i++; + continue; + } + if (!strcmp(argv[i],"-block")) { + blockname = argv[i+1]; + blockname_len = strlen(argv[i+1]) + 1; + i+=2; + continue; + } + fprintf(stderr,RUN_ERL_USAGE,"run_erl"); + return 1; + } + + pipename = argv[i++]; + logdir = argv[i++]; + command = argv[i++]; + + /* + 1 to include NULL at end */ + logdir_len = strlen(logdir) + 1; + command_len = strlen(command) + 1; + pipename_len = strlen(pipename) + 1; + + if (run_daemon) { + /* We request that the run_erl_process should be started from the + main process so that it does not die when the shell command + returns */ + PROCESS main_pid; + hunt_in_block("run_erl","main",&main_pid); + sig = alloc(sizeof(sig),ERTS_SIGNAL_RUN_ERL_DAEMON); + send(&sig,main_pid); + sig = receive(sigsel); + pid = sender(&sig); + free_buf(&sig); + } else { + pid = create_process(OS_BG_PROC,"run_erl_process", + run_erl_process, 0x800, + 0, 0, 0, NULL, 0, 0); + } + + sig = alloc(sizeof(RunErlSetup)+ + logdir_len+command_len+pipename_len+blockname_len, + ERTS_SIGNAL_RUN_ERL_SETUP); + sig->setup.run_daemon = run_daemon; + sig->setup.logdir = ((char*)sig)+sizeof(RunErlSetup); + sig->setup.command = ((char*)sig)+sizeof(RunErlSetup)+logdir_len; + sig->setup.pipename = ((char*)sig)+sizeof(RunErlSetup)+logdir_len+command_len; + if (blockname) + sig->setup.blockname = ((char*)sig)+sizeof(RunErlSetup)+ + logdir_len+command_len+pipename_len; + else + sig->setup.blockname = NULL; + + strcpy(sig->setup.logdir,logdir); + strcpy(sig->setup.command,command); + strcpy(sig->setup.pipename,pipename); + if (blockname) strcpy(sig->setup.blockname,blockname); + + send(&sig,pid); + + if (run_daemon) { + /* We are a daemon, error msgs will be sent to ramlog */ + start(pid); + return 1; + } + + /* We are not daemon, error msgs will be sent to stderr and we block here */ + efs_clone(pid); + start(pid); + + attach(NULL,pid); + sig = receive(sigsel); + + return 1; +} diff --git a/erts/etc/ose/run_erl.h b/erts/etc/ose/run_erl.h new file mode 100644 index 0000000000..128f551670 --- /dev/null +++ b/erts/etc/ose/run_erl.h @@ -0,0 +1,29 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +#ifndef ERL_RUN_ERL_H +#define ERL_RUN_ERL_H + +#include "ose.h" + +#include "erts.sig" + +int run_erl(int argc, char **argv); +OS_PROCESS(run_erl_process); + +#endif diff --git a/erts/etc/ose/run_erl_main.c b/erts/etc/ose/run_erl_main.c new file mode 100644 index 0000000000..d396ebe93b --- /dev/null +++ b/erts/etc/ose/run_erl_main.c @@ -0,0 +1,77 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2013. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Module: run_erl_main.c + * + * Container for load module that installs both run_erl and to_erl command. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> + +#include "ose.h" +#include "shell.h" + +#include "run_erl_common.h" +#include "run_erl.h" +#include "to_erl_common.h" + +union SIGNAL { + SIGSELECT signo; +}; + +int main(int argc, char **argv) +{ + + char run_erl_usage[320], + to_erl_usage[120]; + + sprintf(run_erl_usage,RUN_ERL_USAGE,"run_erl [-daemon] [-block blockname]"); + sprintf(to_erl_usage,TO_ERL_USAGE,"pipename"); + + shell_add_cmd_attrs( + "run_erl",run_erl_usage, + "Redirect Erlang input and output streams", + run_erl,DEFAULT_PROC_TYPE,DEFAULT_PRIORITY,DEFAULT_STACK_SIZE); + + shell_add_cmd_attrs( + "to_erl",to_erl_usage, + "Attach to redirected Erlang input and output streams", + to_erl,DEFAULT_PROC_TYPE,DEFAULT_PRIORITY,DEFAULT_STACK_SIZE); + + while (1) { + static const SIGSELECT sigsel[] = {0}; + union SIGNAL *sig = receive(sigsel); + + if (sig->signo == ERTS_SIGNAL_RUN_ERL_DAEMON) { + PROCESS pid = create_process(OS_BG_PROC,"run_erl_daemon", + run_erl_process, 0x800, + 0, 0, 0, NULL, 0, 0); + send_w_s(&sig,pid,sender(&sig)); + } else { + printf("Got unexpected signal!"); + free_buf(&sig); + } + } + + return 1; +} diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index 8520d58f47..9e39764195 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -3133,6 +3133,24 @@ document etp-ets-tabledump %--------------------------------------------------------------------------- end + +############################################################################ +# OSE support +# +define etp-ose-attach + target ose $arg0:21768 + attach block start_beam start_beam +end + +document etp-ose-attach +%--------------------------------------------------------------------------- +% etp-ose-attach Host +% +% Connect and attach to erlang vm at Host. +%--------------------------------------------------------------------------- +end + + ############################################################################ # Erlang support module handling # diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index 2018bc007c..a6fc4c2bf5 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -79,81 +79,25 @@ # include <stropts.h> #endif -#include "run_erl.h" +#include "run_erl_common.h" #include "safe_string.h" /* sn_printf, strn_cpy, strn_cat, etc */ -#ifdef O_NONBLOCK -# define DONT_BLOCK_PLEASE O_NONBLOCK -#else -# define DONT_BLOCK_PLEASE O_NDELAY -# ifndef EAGAIN -# define EAGAIN -3898734 -# endif -#endif - -#define noDEBUG - -#define DEFAULT_LOG_GENERATIONS 5 -#define LOG_MAX_GENERATIONS 1000 /* No more than 1000 log files */ -#define LOG_MIN_GENERATIONS 2 /* At least two to switch between */ -#define DEFAULT_LOG_MAXSIZE 100000 -#define LOG_MIN_MAXSIZE 1000 /* Smallast value for changing log file */ -#define LOG_STUBNAME "erlang.log." -#define LOG_PERM 0664 -#define DEFAULT_LOG_ACTIVITY_MINUTES 5 -#define DEFAULT_LOG_ALIVE_MINUTES 15 -#define DEFAULT_LOG_ALIVE_FORMAT "%a %b %e %T %Z %Y" -#define ALIVE_BUFFSIZ 256 - -#define PERM 0600 -#define STATUSFILENAME "/run_erl.log" -#define PIPE_STUBNAME "erlang.pipe" -#define PIPE_STUBLEN strlen(PIPE_STUBNAME) - -#ifndef FILENAME_MAX -#define FILENAME_MAX 250 -#endif - -#ifndef O_SYNC -#define O_SYNC 0 -#define USE_FSYNC 1 -#endif - #define MAX(x,y) ((x) > (y) ? (x) : (y)) -#define FILENAME_BUFSIZ FILENAME_MAX - /* prototypes */ static void usage(char *); -static int create_fifo(char *name, int perm); static int open_pty_master(char **name, int *sfd); static int open_pty_slave(char *name); static void pass_on(pid_t); static void exec_shell(char **); -static void status(const char *format,...); -static void error_logf(int priority, int line, const char *format,...); static void catch_sigchild(int); -static int next_log(int log_num); -static int prev_log(int log_num); -static int find_next_log_num(void); -static int open_log(int log_num, int flags); -static void write_to_log(int* lfd, int* log_num, char* buf, int len); static void daemon_init(void); -static char *simple_basename(char *path); static void init_outbuf(void); static int outbuf_size(void); static void clear_outbuf(void); static char* outbuf_first(void); static void outbuf_delete(int bytes); static void outbuf_append(const char* bytes, int n); -static int write_all(int fd, const char* buf, int len); -static int extract_ctrl_seq(char* buf, int len); -static void set_window_size(unsigned col, unsigned row); - -static ssize_t sf_write(int fd, const void *buffer, size_t len); -static ssize_t sf_read(int fd, void *buffer, size_t len); -static int sf_open(const char *path, int flags, mode_t mode); -static int sf_close(int fd); #ifdef DEBUG static void show_terminal_settings(struct termios *t); @@ -161,20 +105,11 @@ static void show_terminal_settings(struct termios *t); /* static data */ static char fifo1[FILENAME_BUFSIZ], fifo2[FILENAME_BUFSIZ]; -static char statusfile[FILENAME_BUFSIZ]; -static char log_dir[FILENAME_BUFSIZ]; static char pipename[FILENAME_BUFSIZ]; static FILE *stdstatus = NULL; -static int log_generations = DEFAULT_LOG_GENERATIONS; -static int log_maxsize = DEFAULT_LOG_MAXSIZE; -static int log_alive_minutes = DEFAULT_LOG_ALIVE_MINUTES; -static int log_activity_minutes = DEFAULT_LOG_ACTIVITY_MINUTES; -static int log_alive_in_gmt = 0; -static char log_alive_format[ALIVE_BUFFSIZ+1]; static int run_daemon = 0; static char *program_name; static int mfd; /* master pty fd */ -static unsigned protocol_ver = RUN_ERL_LO_VER; /* assume lowest to begin with */ /* * Output buffer. @@ -205,29 +140,13 @@ static char* outbuf_in; LOG_PID|LOG_CONS|LOG_NOWAIT,LOG_USER) #endif -#define ERROR0(Prio,Format) error_logf(Prio,__LINE__,Format"\n") -#define ERROR1(Prio,Format,A1) error_logf(Prio,__LINE__,Format"\n",A1) -#define ERROR2(Prio,Format,A1,A2) error_logf(Prio,__LINE__,Format"\n",A1,A2) - -#ifdef HAVE_STRERROR -# define ADD_ERRNO(Format) "errno=%d '%s'\n"Format"\n",errno,strerror(errno) -#else -# define ADD_ERRNO(Format) "errno=%d\n"Format"\n",errno -#endif -#define ERRNO_ERR0(Prio,Format) error_logf(Prio,__LINE__,ADD_ERRNO(Format)) -#define ERRNO_ERR1(Prio,Format,A1) error_logf(Prio,__LINE__,ADD_ERRNO(Format),A1) - - int main(int argc, char **argv) { int childpid; int sfd = -1; - int fd; - char *p, *ptyslave=NULL; + char *ptyslave=NULL; int i = 1; int off_argv; - int calculated_pipename = 0; - int highest_pipe_num = 0; program_name = argv[0]; @@ -245,122 +164,16 @@ int main(int argc, char **argv) off_argv = i; strn_cpy(pipename, sizeof(pipename), argv[i++]); - strn_cpy(log_dir, sizeof(log_dir), argv[i]); - strn_cpy(statusfile, sizeof(statusfile), log_dir); - strn_cat(statusfile, sizeof(statusfile), STATUSFILENAME); + + erts_run_erl_log_init(run_daemon,argv[i]); #ifdef DEBUG - status("%s: pid is : %d\n", argv[0], getpid()); + erts_run_erl_log_status("%s: pid is : %d\n", argv[0], getpid()); #endif - /* Get values for LOG file handling from the environment */ - if ((p = getenv("RUN_ERL_LOG_ALIVE_MINUTES"))) { - log_alive_minutes = atoi(p); - if (!log_alive_minutes) { - ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ALIVE_MINUTES is 1 " - "(current value is %s)",p); - } - log_activity_minutes = log_alive_minutes / 3; - if (!log_activity_minutes) { - ++log_activity_minutes; - } - } - if ((p = getenv("RUN_ERL_LOG_ACTIVITY_MINUTES"))) { - log_activity_minutes = atoi(p); - if (!log_activity_minutes) { - ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ACTIVITY_MINUTES is 1 " - "(current value is %s)",p); - } - } - if ((p = getenv("RUN_ERL_LOG_ALIVE_FORMAT"))) { - if (strlen(p) > ALIVE_BUFFSIZ) { - ERROR1(LOG_ERR, "RUN_ERL_LOG_ALIVE_FORMAT can contain a maximum of " - "%d characters", ALIVE_BUFFSIZ); - } - strn_cpy(log_alive_format, sizeof(log_alive_format), p); - } else { - strn_cpy(log_alive_format, sizeof(log_alive_format), DEFAULT_LOG_ALIVE_FORMAT); - } - if ((p = getenv("RUN_ERL_LOG_ALIVE_IN_UTC")) && strcmp(p,"0")) { - ++log_alive_in_gmt; - } - if ((p = getenv("RUN_ERL_LOG_GENERATIONS"))) { - log_generations = atoi(p); - if (log_generations < LOG_MIN_GENERATIONS) - ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_GENERATIONS is %d", LOG_MIN_GENERATIONS); - if (log_generations > LOG_MAX_GENERATIONS) - ERROR1(LOG_ERR,"Maximum RUN_ERL_LOG_GENERATIONS is %d", LOG_MAX_GENERATIONS); - } - - if ((p = getenv("RUN_ERL_LOG_MAXSIZE"))) { - log_maxsize = atoi(p); - if (log_maxsize < LOG_MIN_MAXSIZE) - ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_MAXSIZE is %d", LOG_MIN_MAXSIZE); - } - - /* - * Create FIFOs and open them - */ - - if(*pipename && pipename[strlen(pipename)-1] == '/') { - /* The user wishes us to find a unique pipe name in the specified */ - /* directory */ - DIR *dirp; - struct dirent *direntp; - - calculated_pipename = 1; - dirp = opendir(pipename); - if(!dirp) { - ERRNO_ERR1(LOG_ERR,"Can't access pipe directory '%s'.", pipename); - exit(1); - } - - /* Check the directory for existing pipes */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { - int num = atoi(direntp->d_name+PIPE_STUBLEN+1); - if(num > highest_pipe_num) - highest_pipe_num = num; - } - } - closedir(dirp); - strn_catf(pipename, sizeof(pipename), "%s.%d", - PIPE_STUBNAME, highest_pipe_num+1); - } /* if */ - - for(;;) { - /* write FIFO - is read FIFO for `to_erl' program */ - strn_cpy(fifo1, sizeof(fifo1), pipename); - strn_cat(fifo1, sizeof(fifo1), ".r"); - if (create_fifo(fifo1, PERM) < 0) { - ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.", fifo1); - exit(1); - } - - /* read FIFO - is write FIFO for `to_erl' program */ - strn_cpy(fifo2, sizeof(fifo2), pipename); - strn_cat(fifo2, sizeof(fifo2), ".w"); - - /* Check that nobody is running run_erl already */ - if ((fd = sf_open(fifo2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { - /* Open as client succeeded -- run_erl is already running! */ - sf_close(fd); - if (calculated_pipename) { - ++highest_pipe_num; - strn_catf(pipename, sizeof(pipename), "%s.%d", - PIPE_STUBNAME, highest_pipe_num+1); - continue; - } - fprintf(stderr, "Erlang already running on pipe %s.\n", pipename); - exit(1); - } - if (create_fifo(fifo2, PERM) < 0) { - ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.", fifo2); - exit(1); - } - break; - } + /* Open read and write fifo */ + if (erts_run_erl_open_fifo(pipename,fifo1,fifo2)) + exit(1); /* * Open master pseudo-terminal @@ -432,7 +245,7 @@ int main(int argc, char **argv) sf_close(2); if (dup(sfd) != 0 || dup(sfd) != 1 || dup(sfd) != 2) { - status("Cannot dup\n"); + erts_run_erl_log_status("Cannot dup\n"); } sf_close(sfd); exec_shell(argv+off_argv); /* exec_shell expects argv[2] to be */ @@ -475,9 +288,7 @@ static void pass_on(pid_t childpid) struct timeval timeout; time_t last_activity; char buf[BUFSIZ]; - char log_alive_buffer[ALIVE_BUFFSIZ+1]; - int lognum; - int rfd, wfd=0, lfd=0; + int rfd, wfd=0; int maxfd; int ready; int got_some = 0; /* from to_erl */ @@ -492,13 +303,12 @@ static void pass_on(pid_t childpid) } #ifdef DEBUG - status("run_erl: %s opened for reading\n", fifo2); + erts_run_erl_log_status("run_erl: %s opened for reading\n", fifo2); #endif /* Open the log file */ - lognum = find_next_log_num(); - lfd = open_log(lognum, O_RDWR|O_APPEND|O_CREAT|O_SYNC); + erts_run_erl_log_open(); /* Enter the work loop */ @@ -517,7 +327,8 @@ static void pass_on(pid_t childpid) writefds_ptr = &writefds; } time(&last_activity); - timeout.tv_sec = log_alive_minutes*60; /* don't assume old BSD bug */ + /* don't assume old BSD bug */ + timeout.tv_sec = erts_run_erl_log_alive_minutes()*60; timeout.tv_usec = 0; ready = select(maxfd + 1, &readfds, writefds_ptr, NULL, &timeout); if (ready < 0) { @@ -547,28 +358,7 @@ static void pass_on(pid_t childpid) /* Check how long time we've been inactive */ time(&now); - if(!ready || now - last_activity > log_activity_minutes*60) { - /* Either a time out: 15 minutes without action, */ - /* or something is coming in right now, but it's a long time */ - /* since last time, so let's write a time stamp this message */ - struct tm *tmptr; - if (log_alive_in_gmt) { - tmptr = gmtime(&now); - } else { - tmptr = localtime(&now); - } - if (!strftime(log_alive_buffer, ALIVE_BUFFSIZ, log_alive_format, - tmptr)) { - strn_cpy(log_alive_buffer, sizeof(log_alive_buffer), - "(could not format time in 256 positions " - "with current format string.)"); - } - log_alive_buffer[ALIVE_BUFFSIZ] = '\0'; - - sn_printf(buf, sizeof(buf), "\n===== %s%s\n", - ready?"":"ALIVE ", log_alive_buffer); - write_to_log(&lfd, &lognum, buf, strlen(buf)); - } + erts_run_erl_log_activity(!ready,now,last_activity); } /* @@ -603,7 +393,7 @@ static void pass_on(pid_t childpid) */ if (FD_ISSET(mfd, &readfds)) { #ifdef DEBUG - status("Pty master read; "); + erts_run_erl_log_status("Pty master read; "); #endif if ((len = sf_read(mfd, buf, BUFSIZ)) <= 0) { sf_close(rfd); @@ -621,7 +411,7 @@ static void pass_on(pid_t childpid) exit(0); } - write_to_log(&lfd, &lognum, buf, len); + erts_run_erl_log_write(buf, len); /* * Save in the output queue. @@ -637,7 +427,7 @@ static void pass_on(pid_t childpid) */ if (FD_ISSET(rfd, &readfds)) { #ifdef DEBUG - status("FIFO read; "); + erts_run_erl_log_status("FIFO read; "); #endif if ((len = sf_read(rfd, buf, BUFSIZ)) < 0) { sf_close(rfd); @@ -666,7 +456,7 @@ static void pass_on(pid_t childpid) * should succeed. But in case of error, we just ignore it. */ if ((wfd = sf_open(fifo1, O_WRONLY|DONT_BLOCK_PLEASE, 0)) < 0) { - status("Client expected on FIFO %s, but can't open (len=%d)\n", + erts_run_erl_log_status("Client expected on FIFO %s, but can't open (len=%d)\n", fifo1, len); sf_close(rfd); rfd = sf_open(fifo2, O_RDONLY|DONT_BLOCK_PLEASE, 0); @@ -678,7 +468,7 @@ static void pass_on(pid_t childpid) } else { #ifdef DEBUG - status("run_erl: %s opened for writing\n", fifo1); + erts_run_erl_log_status("run_erl: %s opened for writing\n", fifo1); #endif } } @@ -694,14 +484,15 @@ static void pass_on(pid_t childpid) /* Write the message */ #ifdef DEBUG - status("Pty master write; "); + erts_run_erl_log_status("Pty master write; "); #endif - len = extract_ctrl_seq(buf, len); + len = erts_run_erl_extract_ctrl_seq(buf, len); if(len==1 && buf[0] == '\003') { kill(childpid,SIGINT); - } - else if (len>0 && write_all(mfd, buf, len) != len) { + } + else if (len>0 && erts_run_erl_write_all(mfd, buf, len) != len) + { ERRNO_ERR0(LOG_ERR,"Error in writing to terminal."); sf_close(rfd); if(wfd) sf_close(wfd); @@ -710,7 +501,7 @@ static void pass_on(pid_t childpid) } } #ifdef DEBUG - status("OK\n"); + erts_run_erl_log_status("OK\n"); #endif } } @@ -720,173 +511,6 @@ static void catch_sigchild(int sig) { } -/* - * next_log: - * Returns the index number that follows the given index number. - * (Wrapping after log_generations) - */ -static int next_log(int log_num) { - return log_num>=log_generations?1:log_num+1; -} - -/* - * prev_log: - * Returns the index number that precedes the given index number. - * (Wrapping after log_generations) - */ -static int prev_log(int log_num) { - return log_num<=1?log_generations:log_num-1; -} - -/* - * find_next_log_num() - * Searches through the log directory to check which logs that already - * exist. It finds the "hole" in the sequence, and returns the index - * number for the last log in the log sequence. If there is no hole, index - * 1 is returned. - */ -static int find_next_log_num(void) { - int i, next_gen, log_gen; - DIR *dirp; - struct dirent *direntp; - int log_exists[LOG_MAX_GENERATIONS+1]; - int stub_len = strlen(LOG_STUBNAME); - - /* Initialize exiting log table */ - - for(i=log_generations; i>=0; i--) - log_exists[i] = 0; - dirp = opendir(log_dir); - if(!dirp) { - ERRNO_ERR1(LOG_ERR,"Can't access log directory '%s'", log_dir); - exit(1); - } - - /* Check the directory for existing logs */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,LOG_STUBNAME,stub_len)==0) { - int num = atoi(direntp->d_name+stub_len); - if(num < 1 || num > log_generations) - continue; - log_exists[num] = 1; - } - } - closedir(dirp); - - /* Find out the next available log file number */ - - next_gen = 0; - for(i=log_generations; i>=0; i--) { - if(log_exists[i]) - if(next_gen) - break; - else - ; - else - next_gen = i; - } - - /* Find out the current log file number */ - - if(next_gen) - log_gen = prev_log(next_gen); - else - log_gen = 1; - - return log_gen; -} /* find_next_log_num() */ - -/* open_log() - * Opens a log file (with given index) for writing. Writing may be - * at the end or a trucnating write, according to flags. - * A LOGGING STARTED and time stamp message is inserted into the log file - */ -static int open_log(int log_num, int flags) -{ - char buf[FILENAME_MAX]; - time_t now; - struct tm *tmptr; - char log_buffer[ALIVE_BUFFSIZ+1]; - int lfd; - - /* Remove the next log (to keep a "hole" in the log sequence) */ - sn_printf(buf, sizeof(buf), "%s/%s%d", - log_dir, LOG_STUBNAME, next_log(log_num)); - unlink(buf); - - /* Create or continue on the current log file */ - sn_printf(buf, sizeof(buf), "%s/%s%d", log_dir, LOG_STUBNAME, log_num); - if((lfd = sf_open(buf, flags, LOG_PERM))<0){ - ERRNO_ERR1(LOG_ERR,"Can't open log file '%s'.", buf); - exit(1); - } - - /* Write a LOGGING STARTED and time stamp into the log file */ - time(&now); - if (log_alive_in_gmt) { - tmptr = gmtime(&now); - } else { - tmptr = localtime(&now); - } - if (!strftime(log_buffer, ALIVE_BUFFSIZ, log_alive_format, - tmptr)) { - strn_cpy(log_buffer, sizeof(log_buffer), - "(could not format time in 256 positions " - "with current format string.)"); - } - log_buffer[ALIVE_BUFFSIZ] = '\0'; - - sn_printf(buf, sizeof(buf), "\n=====\n===== LOGGING STARTED %s\n=====\n", - log_buffer); - if (write_all(lfd, buf, strlen(buf)) < 0) - status("Error in writing to log.\n"); - -#if USE_FSYNC - fsync(lfd); -#endif - - return lfd; -} - -/* write_to_log() - * Writes a message to a log file. If the current log file is full, - * a new log file is opened. - */ -static void write_to_log(int* lfd, int* log_num, char* buf, int len) -{ - int size; - - /* Decide if new logfile needed, and open if so */ - - size = lseek(*lfd,0,SEEK_END); - if(size+len > log_maxsize) { - sf_close(*lfd); - *log_num = next_log(*log_num); - *lfd = open_log(*log_num, O_RDWR|O_CREAT|O_TRUNC|O_SYNC); - } - - /* Write to log file */ - - if (write_all(*lfd, buf, len) < 0) { - status("Error in writing to log.\n"); - } - -#if USE_FSYNC - fsync(*lfd); -#endif -} - -/* create_fifo() - * Creates a new fifo with the given name and permission. - */ -static int create_fifo(char *name, int perm) -{ - if ((mkfifo(name, perm) < 0) && (errno != EEXIST)) - return -1; - return 0; -} - /* open_pty_master() * Find a master device, open and return fd and slave device name. @@ -1083,9 +707,9 @@ static void exec_shell(char **argv) else argv[0] = sh; argv[1] = "-c"; - status("Args before exec of shell:\n"); + erts_run_erl_log_status("Args before exec of shell:\n"); for (vp = argv, i = 0; *vp; vp++, i++) - status("argv[%d] = %s\n", i, *vp); + erts_run_erl_log_status("argv[%d] = %s\n", i, *vp); if (stdstatus) { fclose(stdstatus); } @@ -1096,26 +720,6 @@ static void exec_shell(char **argv) ERRNO_ERR0(LOG_ERR,"Could not execv"); } -/* status() - * Prints the arguments to a status file - * Works like printf (see vfrpintf) - */ -static void status(const char *format,...) -{ - va_list args; - time_t now; - - if (stdstatus == NULL) - stdstatus = fopen(statusfile, "w"); - if (stdstatus == NULL) - return; - now = time(NULL); - fprintf(stdstatus, "run_erl [%d] %s", (int)getpid(), ctime(&now)); - va_start(args, format); - vfprintf(stdstatus, format, args); - va_end(args); - fflush(stdstatus); -} static void daemon_init(void) /* As R Stevens wants it, to a certain extent anyway... */ @@ -1155,47 +759,10 @@ static void daemon_init(void) run_daemon = 1; } -/* error_logf() - * Prints the arguments to stderr or syslog - * Works like printf (see vfprintf) - */ -static void error_logf(int priority, int line, const char *format, ...) -{ - va_list args; - va_start(args, format); - -#ifdef HAVE_SYSLOG_H - if (run_daemon) { - vsyslog(priority,format,args); - } - else -#endif - { - time_t now = time(NULL); - fprintf(stderr, "run_erl:%d [%d] %s", line, (int)getpid(), ctime(&now)); - vfprintf(stderr, format, args); - } - va_end(args); -} - static void usage(char *pname) { - fprintf(stderr, "Usage: %s (pipe_name|pipe_dir/) log_dir \"command [parameters ...]\"\n", pname); - fprintf(stderr, "\nYou may also set the environment variables RUN_ERL_LOG_GENERATIONS\n"); - fprintf(stderr, "and RUN_ERL_LOG_MAXSIZE to the number of log files to use and the\n"); - fprintf(stderr, "size of the log file when to switch to the next log file\n"); -} - -/* Instead of making sure basename exists, we do our own */ -static char *simple_basename(char *path) -{ - char *ptr; - for (ptr = path; *ptr != '\0'; ++ptr) { - if (*ptr == '/') { - path = ptr + 1; - } - } - return path; + fprintf(stderr, "Usage: "); + fprintf(stderr, RUN_ERL_USAGE, pname); } static void init_outbuf(void) @@ -1266,114 +833,6 @@ static void outbuf_append(const char* buf, int n) outbuf_in += n; } -/* Call write() until entire buffer has been written or error. - * Return len or -1. - */ -static int write_all(int fd, const char* buf, int len) -{ - int left = len; - int written; - for (;;) { - written = sf_write(fd,buf,left); - if (written == left) { - return len; - } - if (written < 0) { - return -1; - } - left -= written; - buf += written; - } -} - -static ssize_t sf_read(int fd, void *buffer, size_t len) { - ssize_t n = 0; - - do { n = read(fd, buffer, len); } while (n < 0 && errno == EINTR); - - return n; -} - -static ssize_t sf_write(int fd, const void *buffer, size_t len) { - ssize_t n = 0; - - do { n = write(fd, buffer, len); } while (n < 0 && errno == EINTR); - - return n; -} - -static int sf_open(const char *path, int type, mode_t mode) { - int fd = 0; - - do { fd = open(path, type, mode); } while(fd < 0 && errno == EINTR); - - return fd; -} -static int sf_close(int fd) { - int res = 0; - - do { res = close(fd); } while(fd < 0 && errno == EINTR); - - return res; -} -/* Extract any control sequences that are ment only for run_erl - * and should not be forwarded to the pty. - */ -static int extract_ctrl_seq(char* buf, int len) -{ - static const char prefix[] = "\033_"; - static const char suffix[] = "\033\\"; - char* bufend = buf + len; - char* start = buf; - char* command; - char* end; - - for (;;) { - start = find_str(start, bufend-start, prefix); - if (!start) break; - - command = start + strlen(prefix); - end = find_str(command, bufend-command, suffix); - if (end) { - unsigned col, row; - if (sscanf(command,"version=%u", &protocol_ver)==1) { - /*fprintf(stderr,"to_erl v%u\n", protocol_ver);*/ - } - else if (sscanf(command,"winsize=%u,%u", &col, &row)==2) { - set_window_size(col,row); - } - else { - ERROR2(LOG_ERR, "Ignoring unknown ctrl command '%.*s'\n", - (int)(end-command), command); - } - - /* Remove ctrl sequence from buf */ - end += strlen(suffix); - memmove(start, end, bufend-end); - bufend -= end - start; - } - else { - ERROR2(LOG_ERR, "Missing suffix in ctrl sequence '%.*s'\n", - (int)(bufend-start), start); - break; - } - } - return bufend - buf; -} - -static void set_window_size(unsigned col, unsigned row) -{ -#ifdef TIOCSWINSZ - struct winsize ws; - ws.ws_col = col; - ws.ws_row = row; - if (ioctl(mfd, TIOCSWINSZ, &ws) < 0) { - ERRNO_ERR0(LOG_ERR,"Failed to set window size"); - } -#endif -} - - #ifdef DEBUG #define S(x) ((x) > 0 ? 1 : 0) diff --git a/erts/etc/unix/to_erl.c b/erts/etc/unix/to_erl.c index b9e397cbf2..38a94ed9c3 100644 --- a/erts/etc/unix/to_erl.c +++ b/erts/etc/unix/to_erl.c @@ -16,592 +16,9 @@ * * %CopyrightEnd% */ -/* - * Module: to_erl.c - * - * This module implements a process that opens two specified FIFOs, one - * for reading and one for writing; reads from its stdin, and writes what - * it has read to the write FIF0; reads from the read FIFO, and writes to - * its stdout. - * - ________ _________ - | |--<-- pipe.r (fifo1) --<--| | - | to_erl | | run_erl | (parent) - |________|-->-- pipe.w (fifo2) -->--|_________| - ^ master pty - | - | slave pty - ____V____ - | | - | "erl" | (child) - |_________| - */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <termios.h> -#include <dirent.h> -#include <signal.h> -#include <errno.h> -#ifdef HAVE_SYS_IOCTL_H -# include <sys/ioctl.h> -#endif - -#include "run_erl.h" -#include "safe_string.h" /* strn_cpy, strn_catf, sn_printf, etc. */ - -#if defined(O_NONBLOCK) -# define DONT_BLOCK_PLEASE O_NONBLOCK -#else -# define DONT_BLOCK_PLEASE O_NDELAY -# if !defined(EAGAIN) -# define EAGAIN -3898734 -# endif -#endif - -#ifdef HAVE_STRERROR -# define STRERROR(x) strerror(x) -#else -# define STRERROR(x) "" -#endif - -#define noDEBUG - -#define PIPE_DIR "/tmp/" -#define PIPE_STUBNAME "erlang.pipe" -#define PIPE_STUBLEN strlen(PIPE_STUBNAME) - -#ifdef DEBUG -#define STATUS(s) { fprintf(stderr, (s)); fflush(stderr); } -#else -#define STATUS(s) -#endif - -#ifndef FILENAME_MAX -#define FILENAME_MAX 250 -#endif - -static struct termios tty_smode, tty_rmode; -static int tty_eof = 0; -static int recv_sig = 0; -static int protocol_ver = RUN_ERL_LO_VER; /* assume lowest to begin with */ - -static int write_all(int fd, const char* buf, int len); -static int window_size_seq(char* buf, size_t bufsz); -static int version_handshake(char* buf, int len, int wfd); -#ifdef DEBUG -static void show_terminal_settings(struct termios *); -#endif - -static void handle_ctrlc(int sig) -{ - /* Reinstall the handler, and signal break flag */ - signal(SIGINT,handle_ctrlc); - recv_sig = SIGINT; -} - -static void handle_sigwinch(int sig) -{ - recv_sig = SIGWINCH; -} - -static void usage(char *pname) -{ - fprintf(stderr, "Usage: %s [-h|-F] [pipe_name|pipe_dir/]\n", pname); - fprintf(stderr, "\t-h\tThis help text.\n"); - fprintf(stderr, "\t-F\tForce connection even though pipe is locked by other to_erl process.\n"); -} - -int main(int argc, char **argv) -{ - char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX]; - int i, len, wfd, rfd; - fd_set readfds; - char buf[BUFSIZ]; - char pipename[FILENAME_MAX]; - int pipeIx = 1; - int force_lock = 0; - int got_some = 0; - - if (argc >= 2 && argv[1][0]=='-') { - switch (argv[1][1]) { - case 'h': - usage(argv[0]); - exit(1); - case 'F': - force_lock = 1; - break; - default: - fprintf(stderr,"Invalid option '%s'\n",argv[1]); - exit(1); - } - pipeIx = 2; - } - -#ifdef DEBUG - fprintf(stderr, "%s: pid is : %d\n", argv[0], (int)getpid()); -#endif - - strn_cpy(pipename, sizeof(pipename), - (argv[pipeIx] ? argv[pipeIx] : PIPE_DIR)); - - if(*pipename && pipename[strlen(pipename)-1] == '/') { - /* The user wishes us to find a pipe name in the specified */ - /* directory */ - int highest_pipe_num = 0; - DIR *dirp; - struct dirent *direntp; - - dirp = opendir(pipename); - if(!dirp) { - fprintf(stderr, "Can't access pipe directory %s: %s\n", pipename, strerror(errno)); - exit(1); - } - - /* Check the directory for existing pipes */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { - int num = atoi(direntp->d_name+PIPE_STUBLEN+1); - if(num > highest_pipe_num) - highest_pipe_num = num; - } - } - closedir(dirp); - strn_catf(pipename, sizeof(pipename), (highest_pipe_num?"%s.%d":"%s"), - PIPE_STUBNAME, highest_pipe_num); - } /* if */ - - /* read FIFO */ - sn_printf(FIFO1,sizeof(FIFO1),"%s.r",pipename); - /* write FIFO */ - sn_printf(FIFO2,sizeof(FIFO2),"%s.w",pipename); - - /* Check that nobody is running to_erl on this pipe already */ - if ((wfd = open (FIFO1, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { - /* Open as server succeeded -- to_erl is already running! */ - close(wfd); - fprintf(stderr, "Another to_erl process already attached to pipe " - "%s.\n", pipename); - if (force_lock) { - fprintf(stderr, "But we proceed anyway by force (-F).\n"); - } - else { - exit(1); - } - } - - if ((rfd = open (FIFO1, O_RDONLY|DONT_BLOCK_PLEASE, 0)) < 0) { -#ifdef DEBUG - fprintf(stderr, "Could not open FIFO %s for reading.\n", FIFO1); -#endif - fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); - exit(1); - } -#ifdef DEBUG - fprintf(stderr, "to_erl: %s opened for reading\n", FIFO1); -#endif - - if ((wfd = open (FIFO2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) < 0) { -#ifdef DEBUG - fprintf(stderr, "Could not open FIFO %s for writing.\n", FIFO2); -#endif - fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); - close(rfd); - exit(1); - } -#ifdef DEBUG - fprintf(stderr, "to_erl: %s opened for writing\n", FIFO2); -#endif - - fprintf(stderr, "Attaching to %s (^D to exit)\n\n", pipename); - - /* Set break handler to our handler */ - signal(SIGINT,handle_ctrlc); - - /* - * Save the current state of the terminal, and set raw mode. - */ - if (tcgetattr(0, &tty_rmode) , 0) { - fprintf(stderr, "Cannot get terminals current mode\n"); - exit(-1); - } - tty_smode = tty_rmode; - tty_eof = '\004'; /* Ctrl+D to exit */ -#ifdef DEBUG - show_terminal_settings(&tty_rmode); -#endif - tty_smode.c_iflag = - 1*BRKINT |/*Signal interrupt on break.*/ - 1*IGNPAR |/*Ignore characters with parity errors.*/ - 1*ISTRIP |/*Strip character.*/ - 0; - -#if 0 -0*IGNBRK |/*Ignore break condition.*/ -0*PARMRK |/*Mark parity errors.*/ -0*INPCK |/*Enable input parity check.*/ -0*INLCR |/*Map NL to CR on input.*/ -0*IGNCR |/*Ignore CR.*/ -0*ICRNL |/*Map CR to NL on input.*/ -0*IUCLC |/*Map upper-case to lower-case on input.*/ -0*IXON |/*Enable start/stop output control.*/ -0*IXANY |/*Enable any character to restart output.*/ -0*IXOFF |/*Enable start/stop input control.*/ -0*IMAXBEL|/*Echo BEL on input line too long.*/ -#endif - - tty_smode.c_oflag = - 1*OPOST |/*Post-process output.*/ - 1*ONLCR |/*Map NL to CR-NL on output.*/ -#ifdef XTABS - 1*XTABS |/*Expand tabs to spaces. (Linux)*/ -#endif -#ifdef OXTABS - 1*OXTABS |/*Expand tabs to spaces. (FreeBSD)*/ -#endif -#ifdef NL0 - 1*NL0 |/*Select newline delays*/ -#endif -#ifdef CR0 - 1*CR0 |/*Select carriage-return delays*/ -#endif -#ifdef TAB0 - 1*TAB0 |/*Select horizontal tab delays*/ -#endif -#ifdef BS0 - 1*BS0 |/*Select backspace delays*/ -#endif -#ifdef VT0 - 1*VT0 |/*Select vertical tab delays*/ -#endif -#ifdef FF0 - 1*FF0 |/*Select form feed delays*/ -#endif - 0; - -#if 0 -0*OLCUC |/*Map lower case to upper on output.*/ -0*OCRNL |/*Map CR to NL on output.*/ -0*ONOCR |/*No CR output at column 0.*/ -0*ONLRET |/*NL performs CR function.*/ -0*OFILL |/*Use fill characters for delay.*/ -0*OFDEL |/*Fill is DEL, else NULL.*/ -0*NL1 | -0*CR1 | -0*CR2 | -0*CR3 | -0*TAB1 | -0*TAB2 | -0*TAB3 |/*Expand tabs to spaces.*/ -0*BS1 | -0*VT1 | -0*FF1 | -#endif - - /* JALI: removed setting the tty_smode.c_cflag flags, since this is not */ - /* advisable if this is a *real* terminal, such as the console. In fact */ - /* this may hang the entire machine, deep, deep down (signalling break */ - /* or toggling the abort switch doesn't help) */ - - tty_smode.c_lflag = - 0; - -#if 0 -0*ISIG |/*Enable signals.*/ -0*ICANON |/*Canonical input (erase and kill processing).*/ -0*XCASE |/*Canonical upper/lower presentation.*/ -0*ECHO |/*Enable echo.*/ -0*ECHOE |/*Echo erase character as BS-SP-BS.*/ -0*ECHOK |/*Echo NL after kill character.*/ -0*ECHONL |/*Echo NL.*/ -0*NOFLSH |/*Disable flush after interrupt or quit.*/ -0*TOSTOP |/*Send SIGTTOU for background output.*/ -0*ECHOCTL|/*Echo control characters as ^char, delete as ^?.*/ -0*ECHOPRT|/*Echo erase character as character erased.*/ -0*ECHOKE |/*BS-SP-BS erase entire line on line kill.*/ -0*FLUSHO |/*Output is being flushed.*/ -0*PENDIN |/*Retype pending input at next read or input character.*/ -0*IEXTEN |/*Enable extended (implementation-defined) functions.*/ -#endif - - tty_smode.c_cc[VMIN] =0;/* Note that VMIN is the same as VEOF! */ - tty_smode.c_cc[VTIME] =0;/* Note that VTIME is the same as VEOL! */ - tty_smode.c_cc[VINTR] =3; - - tcsetattr(0, TCSADRAIN, &tty_smode); - -#ifdef DEBUG - show_terminal_settings(&tty_smode); -#endif - /* - * "Write a ^R to the FIFO which causes the other end to redisplay - * the input line." - * This does not seem to work as was intended in old comment above. - * However, this control character is now (R12B-3) used by run_erl - * to trigger the version handshaking between to_erl and run_erl - * at the start of every new to_erl-session. - */ - - if (write(wfd, "\014", 1) < 0) { - fprintf(stderr, "Error in writing ^R to FIFO.\n"); - } - - /* - * read and write - */ - while (1) { - FD_ZERO(&readfds); - FD_SET(0, &readfds); - FD_SET(rfd, &readfds); - if (select(rfd + 1, &readfds, NULL, NULL, NULL) < 0) { - if (recv_sig) { - FD_ZERO(&readfds); - } - else { - fprintf(stderr, "Error in select.\n"); - break; - } - } - len = 0; - - /* - * Read from terminal and write to FIFO - */ - if (recv_sig) { - switch (recv_sig) { - case SIGINT: - fprintf(stderr, "[Break]\n\r"); - buf[0] = '\003'; - len = 1; - break; - case SIGWINCH: - len = window_size_seq(buf,sizeof(buf)); - break; - default: - fprintf(stderr,"Unexpected signal: %u\n",recv_sig); - } - recv_sig = 0; - } - else if (FD_ISSET(0, &readfds)) { - len = read(0, buf, sizeof(buf)); - if (len <= 0) { - close(rfd); - close(wfd); - if (len < 0) { - fprintf(stderr, "Error in reading from stdin.\n"); - } else { - fprintf(stderr, "[EOF]\n\r"); - } - break; - } - /* check if there is an eof character in input */ - for (i = 0; i < len && buf[i] != tty_eof; i++); - if (buf[i] == tty_eof) { - fprintf(stderr, "[Quit]\n\r"); - break; - } - } - - if (len) { -#ifdef DEBUG - if(write(1, buf, len)); -#endif - if (write_all(wfd, buf, len) != len) { - fprintf(stderr, "Error in writing to FIFO.\n"); - close(rfd); - close(wfd); - break; - } - STATUS("\" OK\r\n"); - } - - /* - * Read from FIFO, write to terminal. - */ - if (FD_ISSET(rfd, &readfds)) { - STATUS("FIFO read: "); - len = read(rfd, buf, BUFSIZ); - if (len < 0 && errno == EAGAIN) { - /* - * No data this time, but the writing end of the FIFO is still open. - * Do nothing. - */ - ; - } else if (len <= 0) { - /* - * Either an error or end of file. In either case, break out - * of the loop. - */ - close(rfd); - close(wfd); - if (len < 0) { - fprintf(stderr, "Error in reading from FIFO.\n"); - } else - fprintf(stderr, "[End]\n\r"); - break; - } else { - if (!got_some) { - if ((len=version_handshake(buf,len,wfd)) < 0) { - close(rfd); - close(wfd); - break; - } - if (protocol_ver >= 1) { - /* Tell run_erl size of terminal window */ - signal(SIGWINCH, handle_sigwinch); - raise(SIGWINCH); - } - got_some = 1; - } - - /* - * We successfully read at least one character. Write what we got. - */ - STATUS("Terminal write: \""); - if (write_all(1, buf, len) != len) { - fprintf(stderr, "Error in writing to terminal.\n"); - close(rfd); - close(wfd); - break; - } - STATUS("\" OK\r\n"); - } - } - } - - /* - * Reset terminal characterstics - * XXX - */ - tcsetattr(0, TCSADRAIN, &tty_rmode); - return 0; -} - -/* Call write() until entire buffer has been written or error. - * Return len or -1. - */ -static int write_all(int fd, const char* buf, int len) -{ - int left = len; - int written; - while (left) { - written = write(fd,buf,left); - if (written < 0) { - return -1; - } - left -= written; - buf += written; - } - return len; -} - -static int window_size_seq(char* buf, size_t bufsz) -{ -#ifdef TIOCGWINSZ - struct winsize ws; - static const char prefix[] = "\033_"; - static const char suffix[] = "\033\\"; - /* This Esc sequence is called "Application Program Command" - and seems suitable to use for our own customized stuff. */ - - if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == 0) { - int len = sn_printf(buf, bufsz, "%swinsize=%u,%u%s", - prefix, ws.ws_col, ws.ws_row, suffix); - return len; - } -#endif /* TIOCGWINSZ */ - return 0; -} - -/* to_erl run_erl - * | | - * |---------- '\022' -------->| (session start) - * | | - * |<---- "[run_erl v1-0]" ----| (version interval) - * | | - * |--- Esc_"version=1"Esc\ -->| (common version) - * | | - */ -static int version_handshake(char* buf, int len, int wfd) -{ - unsigned re_high=0, re_low; - char *end = find_str(buf,len,"]\n"); - - if (end && sscanf(buf,"[run_erl v%u-%u",&re_high,&re_low)==2) { - char wbuf[30]; - int wlen; - - if (re_low > RUN_ERL_HI_VER || re_high < RUN_ERL_LO_VER) { - fprintf(stderr,"Incompatible versions: to_erl=v%u-%u run_erl=v%u-%u\n", - RUN_ERL_HI_VER, RUN_ERL_LO_VER, re_high, re_low); - return -1; - } - /* Choose highest common version */ - protocol_ver = re_high < RUN_ERL_HI_VER ? re_high : RUN_ERL_HI_VER; - - wlen = sn_printf(wbuf, sizeof(wbuf), "\033_version=%u\033\\", - protocol_ver); - if (write_all(wfd, wbuf, wlen) < 0) { - fprintf(stderr,"Failed to send version handshake\n"); - return -1; - } - end += 2; - len -= (end-buf); - memmove(buf,end,len); - - } - else { /* we assume old run_erl without version handshake */ - protocol_ver = 0; - } - - if (re_high != RUN_ERL_HI_VER) { - fprintf(stderr,"run_erl has different version, " - "using common protocol level %u\n", protocol_ver); - } - - return len; -} - -#ifdef DEBUG -#define S(x) ((x) > 0 ? 1 : 0) +#include "to_erl_common.h" -static void show_terminal_settings(struct termios *t) -{ - fprintf(stderr,"c_iflag:\n"); - fprintf(stderr,"Signal interrupt on break: BRKINT %d\n", S(t->c_iflag & BRKINT)); - fprintf(stderr,"Map CR to NL on input: ICRNL %d\n", S(t->c_iflag & ICRNL)); - fprintf(stderr,"Ignore break condition: IGNBRK %d\n", S(t->c_iflag & IGNBRK)); - fprintf(stderr,"Ignore CR: IGNCR %d\n", S(t->c_iflag & IGNCR)); - fprintf(stderr,"Ignore char with par. err's: IGNPAR %d\n", S(t->c_iflag & IGNPAR)); - fprintf(stderr,"Map NL to CR on input: INLCR %d\n", S(t->c_iflag & INLCR)); - fprintf(stderr,"Enable input parity check: INPCK %d\n", S(t->c_iflag & INPCK)); - fprintf(stderr,"Strip character ISTRIP %d\n", S(t->c_iflag & ISTRIP)); - fprintf(stderr,"Enable start/stop input ctrl IXOFF %d\n", S(t->c_iflag & IXOFF)); - fprintf(stderr,"ditto output ctrl IXON %d\n", S(t->c_iflag & IXON)); - fprintf(stderr,"Mark parity errors PARMRK %d\n", S(t->c_iflag & PARMRK)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_oflag:\n"); - fprintf(stderr,"Perform output processing OPOST %d\n", S(t->c_oflag & OPOST)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_cflag:\n"); - fprintf(stderr,"Ignore modem status lines CLOCAL %d\n", S(t->c_cflag & CLOCAL)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_local:\n"); - fprintf(stderr,"Enable echo ECHO %d\n", S(t->c_lflag & ECHO)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_cc:\n"); - fprintf(stderr,"c_cc[VEOF] %d\n", t->c_cc[VEOF]); +int main(int argc,char **argv) { + return to_erl(argc,argv); } -#endif diff --git a/erts/etc/win32/nsis/erlang.nsi b/erts/etc/win32/nsis/erlang.nsi index f4fd2b4cdb..162e634148 100644 --- a/erts/etc/win32/nsis/erlang.nsi +++ b/erts/etc/win32/nsis/erlang.nsi @@ -93,6 +93,7 @@ SectionIn 1 RO skip_silent_mode: SetOutPath "$INSTDIR" + File "${TESTROOT}\OTP_VERSION" File "${TESTROOT}\Install.ini" File "${TESTROOT}\Install.exe" File /r "${TESTROOT}\releases" diff --git a/erts/etc/win32/nsis/erlang20.nsi b/erts/etc/win32/nsis/erlang20.nsi index 3333c4a9aa..3ee33e8121 100644 --- a/erts/etc/win32/nsis/erlang20.nsi +++ b/erts/etc/win32/nsis/erlang20.nsi @@ -144,6 +144,7 @@ Section "Development" SecErlangDev SectionIn 1 RO
SetOutPath "$INSTDIR"
+ File "${TESTROOT}\OTP_VERSION"
File "${TESTROOT}\Install.ini"
File "${TESTROOT}\Install.exe"
SetOutPath "$INSTDIR\releases"
diff --git a/erts/include/internal/ethr_mutex.h b/erts/include/internal/ethr_mutex.h index 86a1e9fbdf..ee861065c5 100644 --- a/erts/include/internal/ethr_mutex.h +++ b/erts/include/internal/ethr_mutex.h @@ -97,7 +97,7 @@ void LeaveCriticalSection(CRITICAL_SECTION *); #if 0 # define ETHR_MTX_Q_LOCK_SPINLOCK__ # define ETHR_MTX_QLOCK_TYPE__ ethr_spinlock_t -#elif defined(ETHR_PTHREADS) +#elif defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS) # define ETHR_MTX_Q_LOCK_PTHREAD_MUTEX__ # define ETHR_MTX_QLOCK_TYPE__ pthread_mutex_t #elif defined(ETHR_WIN32_THREADS) @@ -210,7 +210,7 @@ struct ethr_cond_ { #endif }; -#elif defined(ETHR_PTHREADS) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) +#elif (defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) typedef struct ethr_mutex_ ethr_mutex; struct ethr_mutex_ { @@ -633,7 +633,7 @@ ETHR_INLINE_MTX_FUNC_NAME_(ethr_mutex_unlock)(ethr_mutex *mtx) #endif /* ETHR_TRY_INLINE_FUNCS */ -#elif defined(ETHR_PTHREADS) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) +#elif (defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) #if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_MUTEX_IMPL__) diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index 38b8e9e9b6..64f1fae6d8 100644 --- a/erts/include/internal/ethread.h +++ b/erts/include/internal/ethread.h @@ -37,6 +37,11 @@ # define ETHR_DEBUG #endif +#if defined(__PPC__) || defined (__POWERPC) +/* OSE compiler should be fixed! */ +#define __ppc__ +#endif + #if defined(ETHR_DEBUG) # undef ETHR_XCHK # define ETHR_XCHK 1 @@ -60,7 +65,7 @@ #endif /* Assume 64-byte cache line size */ -#define ETHR_CACHE_LINE_SIZE 64 +#define ETHR_CACHE_LINE_SIZE ASSUMED_CACHE_LINE_SIZE #define ETHR_CACHE_LINE_MASK (ETHR_CACHE_LINE_SIZE - 1) #define ETHR_CACHE_LINE_ALIGN_SIZE(SZ) \ @@ -190,6 +195,30 @@ typedef DWORD ethr_tsd_key; #define ETHR_YIELD() (Sleep(0), 0) +#elif defined(ETHR_OSE_THREADS) + +#include "ose.h" +#undef NIL + +#if defined(ETHR_HAVE_PTHREAD_H) +#include <pthread.h> +#endif + +typedef struct { + PROCESS id; + unsigned int tsd_key_index; + void *res; +} ethr_tid; + +typedef OSPPDKEY ethr_tsd_key; + +#undef ETHR_HAVE_ETHR_SIG_FUNCS + +/* Out own RW mutexes are probably faster, but use OSEs mutexes */ +#define ETHR_USE_OWN_RWMTX_IMPL__ + +#define ETHR_HAVE_THREAD_NAMES + #else /* No supported thread lib found */ #ifdef ETHR_NO_SUPP_THR_LIB_NOT_FATAL @@ -367,7 +396,7 @@ extern ethr_runtime_t ethr_runtime__; #include "ethr_atomics.h" /* The atomics API */ -#if defined(__GNUC__) +#if defined(__GNUC__) && !defined(ETHR_OSE_THREADS) # ifndef ETHR_SPIN_BODY # if defined(__i386__) || defined(__x86_64__) # define ETHR_SPIN_BODY __asm__ __volatile__("rep;nop" : : : "memory") @@ -383,9 +412,20 @@ extern ethr_runtime_t ethr_runtime__; # ifndef ETHR_SPIN_BODY # define ETHR_SPIN_BODY do {YieldProcessor();ETHR_COMPILER_BARRIER;} while(0) # endif +#elif defined(ETHR_OSE_THREADS) +# ifndef ETHR_SPIN_BODY +# define ETHR_SPIN_BODY set_pri(get_pri(current_process())) +# else +# error "OSE should use set_pri(get_pri(current_process()))" +# endif #endif +#ifndef ETHR_OSE_THREADS #define ETHR_YIELD_AFTER_BUSY_LOOPS 50 +#else +#define ETHR_YIELD_AFTER_BUSY_LOOPS 0 +#endif + #ifndef ETHR_SPIN_BODY # define ETHR_SPIN_BODY ETHR_COMPILER_BARRIER @@ -408,12 +448,18 @@ extern ethr_runtime_t ethr_runtime__; # else # define ETHR_YIELD() (pthread_yield(), 0) # endif +# elif defined(ETHR_OSE_THREADS) +# define ETHR_YIELD() (set_pri(get_pri(current_process())), 0) # else # define ETHR_YIELD() (ethr_compiler_barrier(), 0) # endif #endif -#ifdef VALGRIND /* mutex as fallback for spinlock for VALGRIND */ +#if defined(VALGRIND) || defined(ETHR_OSE_THREADS) +/* mutex as fallback for spinlock for VALGRIND and OSE. + OSE cannot use spinlocks as processes working on the + same execution unit have a tendency to deadlock. + */ # undef ETHR_HAVE_NATIVE_SPINLOCKS # undef ETHR_HAVE_NATIVE_RWSPINLOCKS #else @@ -459,9 +505,19 @@ typedef struct { typedef struct { int detached; /* boolean (default false) */ int suggested_stack_size; /* kilo words (default sys dependent) */ +#ifdef ETHR_OSE_THREADS + char *name; + U32 coreNo; +#endif } ethr_thr_opts; +#if defined(ETHR_OSE_THREADS) +/* Default ethr name is big as we want to be able to sprint stuff in there */ +#define ETHR_THR_OPTS_DEFAULT_INITER \ + {0, -1, "ethread", 0} +#else #define ETHR_THR_OPTS_DEFAULT_INITER {0, -1} +#endif #if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__) @@ -479,7 +535,7 @@ void ethr_thr_exit(void *); ethr_tid ethr_self(void); int ethr_equal_tids(ethr_tid, ethr_tid); -int ethr_tsd_key_create(ethr_tsd_key *); +int ethr_tsd_key_create(ethr_tsd_key *,char *); int ethr_tsd_key_delete(ethr_tsd_key); int ethr_tsd_set(ethr_tsd_key, void *); void *ethr_tsd_get(ethr_tsd_key); @@ -571,8 +627,10 @@ typedef struct ethr_ts_event_ ethr_ts_event; /* Needed by ethr_mutex.h */ #if defined(ETHR_WIN32_THREADS) # include "win/ethr_event.h" -#else +#elif defined(ETHR_PTHREADS) # include "pthread/ethr_event.h" +#elif defined(ETHR_OSE_THREADS) +# include "ose/ethr_event.h" #endif int ethr_set_main_thr_status(int, int); @@ -662,6 +720,37 @@ ETHR_INLINE_FUNC_NAME_(ethr_leave_ts_event)(ethr_ts_event *tsep) #endif +#elif defined (ETHR_OSE_THREADS) + +#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHREAD_IMPL__) + +extern ethr_tsd_key ethr_ts_event_key__; + +static ETHR_INLINE ethr_ts_event * +ETHR_INLINE_FUNC_NAME_(ethr_get_ts_event)(void) +{ + ethr_ts_event *tsep = *(ethr_ts_event**)ose_get_ppdata(ethr_ts_event_key__); + if (!tsep) { + int res = ethr_get_tmp_ts_event__(&tsep); + if (res != 0) + ETHR_FATAL_ERROR__(res); + ETHR_ASSERT(tsep); + } + return tsep; +} + +static ETHR_INLINE void +ETHR_INLINE_FUNC_NAME_(ethr_leave_ts_event)(ethr_ts_event *tsep) +{ + if (tsep->iflgs & ETHR_TS_EV_TMP) { + int res = ethr_free_ts_event__(tsep); + if (res != 0) + ETHR_FATAL_ERROR__(res); + } +} + +#endif + #endif #include "ethr_mutex.h" /* Need atomic declarations and tse */ diff --git a/erts/include/internal/ethread_header_config.h.in b/erts/include/internal/ethread_header_config.h.in index dd3599f86d..b36322490a 100644 --- a/erts/include/internal/ethread_header_config.h.in +++ b/erts/include/internal/ethread_header_config.h.in @@ -235,3 +235,5 @@ /* Define if you want to turn on extra sanity checking in the ethread library */ #undef ETHR_XCHK +/* Assumed cache-line size (in bytes) */ +#undef ASSUMED_CACHE_LINE_SIZE diff --git a/erts/include/internal/ose/ethr_event.h b/erts/include/internal/ose/ethr_event.h new file mode 100644 index 0000000000..000a600813 --- /dev/null +++ b/erts/include/internal/ose/ethr_event.h @@ -0,0 +1,113 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2009-2011. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Author: Rickard Green + */ + +//#define USE_PTHREAD_API + +#define ETHR_EVENT_OFF_WAITER__ -1L +#define ETHR_EVENT_OFF__ 1L +#define ETHR_EVENT_ON__ 0L + +#ifdef USE_PTHREAD_API + +typedef struct { + ethr_atomic32_t state; + pthread_mutex_t mtx; + pthread_cond_t cnd; +} ethr_event; + +#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) + +static void ETHR_INLINE +ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) +{ + ethr_sint32_t val; + val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__); + if (val == ETHR_EVENT_OFF_WAITER__) { + int res = pthread_mutex_lock(&e->mtx); + if (res != 0) + ETHR_FATAL_ERROR__(res); + res = pthread_cond_signal(&e->cnd); + if (res != 0) + ETHR_FATAL_ERROR__(res); + res = pthread_mutex_unlock(&e->mtx); + if (res != 0) + ETHR_FATAL_ERROR__(res); + } +} + +static void ETHR_INLINE +ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e) +{ + ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__); + ETHR_MEMORY_BARRIER; +} + +#endif + +#else + +typedef struct { + ethr_atomic32_t state; + PROCESS proc; +} ethr_event; + +#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) + +static void ETHR_INLINE +ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) +{ + ethr_sint32_t val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__); + if (val == ETHR_EVENT_OFF_WAITER__) { +#ifdef DEBUG + OSFSEMVAL fsem_val = get_fsem(e->proc); + + /* There is a race in this assert. + This is because the state is set before the wait call in wait__. + We hope that a delay of 10 ms is enough */ + if (fsem_val == 0) + delay(10); + ETHR_ASSERT(get_fsem(e->proc) == -1); +#endif + signal_fsem(e->proc); + } +} + +static void ETHR_INLINE +ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e) +{ + ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__); + ETHR_MEMORY_BARRIER; +} + +#endif + +#endif + +int ethr_event_init(ethr_event *e); +int ethr_event_destroy(ethr_event *e); +int ethr_event_wait(ethr_event *e); +int ethr_event_swait(ethr_event *e, int spincount); +#if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) +void ethr_event_set(ethr_event *e); +void ethr_event_reset(ethr_event *e); +#endif diff --git a/erts/lib_src/common/erl_misc_utils.c b/erts/lib_src/common/erl_misc_utils.c index b32681f40e..5a271c5268 100644 --- a/erts/lib_src/common/erl_misc_utils.c +++ b/erts/lib_src/common/erl_misc_utils.c @@ -158,6 +158,8 @@ erts_milli_sleep(long ms) if (ms > 0) { #ifdef __WIN32__ Sleep((DWORD) ms); +#elif defined(__OSE__) + delay(ms); #else struct timeval tv; tv.tv_sec = ms / 1000; @@ -316,6 +318,10 @@ erts_cpu_info_update(erts_cpu_info_t *cpuinfo) online = 0; #endif } +#elif defined(__OSE__) + online = ose_num_cpus(); + configured = ose_num_cpus(); + available = ose_num_cpus(); #endif if (online > configured) diff --git a/erts/lib_src/common/ethr_aux.c b/erts/lib_src/common/ethr_aux.c index f4ff08d368..ceecdcef64 100644 --- a/erts/lib_src/common/ethr_aux.c +++ b/erts/lib_src/common/ethr_aux.c @@ -204,7 +204,18 @@ ethr_init_common__(ethr_init_data *id) ethr_min_stack_size__ = ETHR_B2KW(ethr_min_stack_size__); +#ifdef __OSE__ + /* For supervisor processes, OSE adds a number of bytes to the requested stack. With this + * addition, the resulting size must not exceed the largest available stack size. The number + * of bytes that will be added is configured in the monolith and can therefore not be + * specified here. We simply assume that it is less than 0x1000. The available stack sizes + * are configured in the .lmconf file and the largest one is usually 65536 bytes. + * Consequently, the requested stack size is limited to 0xF000. + */ + ethr_max_stack_size__ = 0xF000; +#else ethr_max_stack_size__ = 32*1024*1024; +#endif #if SIZEOF_VOID_P == 8 ethr_max_stack_size__ *= 2; #endif @@ -650,6 +661,10 @@ ETHR_IMPL_NORETURN__ ethr_fatal_error__(const char *file, int ethr_assert_failed(const char *file, int line, const char *func, char *a) { fprintf(stderr, "%s:%d: %s(): Assertion failed: %s\n", file, line, func, a); +#ifdef __OSE__ + ramlog_printf("%d: %s:%d: %s(): Assertion failed: %s\n", + current_process(),file, line, func, a); +#endif ethr_abort__(); return 0; } diff --git a/erts/lib_src/common/ethr_mutex.c b/erts/lib_src/common/ethr_mutex.c index 036914af7b..72b44033ad 100644 --- a/erts/lib_src/common/ethr_mutex.c +++ b/erts/lib_src/common/ethr_mutex.c @@ -1249,7 +1249,7 @@ ethr_cond_wait(ethr_cond *cnd, ethr_mutex *mtx) return 0; } -#elif defined(ETHR_PTHREADS) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) +#elif (defined(ETHR_PTHREADS) || defined(ETHR_OSE_THREADS)) && !defined(ETHR_DBG_WIN_MTX_WITH_PTHREADS) /* -- pthread mutex and condition variables -------------------------------- */ int @@ -1752,6 +1752,8 @@ ethr_cond_destroy(ethr_cond *cnd) return 0; } +#else +#error "No mutex implementation found" #endif /* -- Exported symbols of inline functions --------------------------------- */ diff --git a/erts/lib_src/ose/ethr_event.c b/erts/lib_src/ose/ethr_event.c new file mode 100644 index 0000000000..87294c98ea --- /dev/null +++ b/erts/lib_src/ose/ethr_event.c @@ -0,0 +1,219 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2009-2010. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Author: Rickard Green + */ + +#define ETHR_INLINE_FUNC_NAME_(X) X ## __ +#define ETHR_EVENT_IMPL__ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "ethread.h" + +#ifdef USE_PTHREAD_API + +int +ethr_event_init(ethr_event *e) +{ + int res; + ethr_atomic32_init(&e->state, ETHR_EVENT_OFF__); + res = pthread_mutex_init(&e->mtx, NULL); + if (res != 0) + return res; + res = pthread_cond_init(&e->cnd, NULL); + if (res != 0) { + pthread_mutex_destroy(&e->mtx); + return res; + } + return 0; +} + +int +ethr_event_destroy(ethr_event *e) +{ + int res; + res = pthread_mutex_destroy(&e->mtx); + if (res != 0) + return res; + res = pthread_cond_destroy(&e->cnd); + if (res != 0) + return res; + return 0; +} + +static ETHR_INLINE int +wait__(ethr_event *e, int spincount) +{ + int sc = spincount; + ethr_sint32_t val; + int res, ulres; + int until_yield = ETHR_YIELD_AFTER_BUSY_LOOPS; + + if (spincount < 0) + ETHR_FATAL_ERROR__(EINVAL); + + while (1) { + val = ethr_atomic32_read(&e->state); + if (val == ETHR_EVENT_ON__) + return 0; + if (sc == 0) + break; + sc--; + ETHR_SPIN_BODY; + if (--until_yield == 0) { + until_yield = ETHR_YIELD_AFTER_BUSY_LOOPS; + res = ETHR_YIELD(); + if (res != 0) + ETHR_FATAL_ERROR__(res); + } + } + + if (val != ETHR_EVENT_OFF_WAITER__) { + val = ethr_atomic32_cmpxchg(&e->state, + ETHR_EVENT_OFF_WAITER__, + ETHR_EVENT_OFF__); + if (val == ETHR_EVENT_ON__) + return 0; + ETHR_ASSERT(val == ETHR_EVENT_OFF__); + } + + ETHR_ASSERT(val == ETHR_EVENT_OFF_WAITER__ + || val == ETHR_EVENT_OFF__); + + res = pthread_mutex_lock(&e->mtx); + if (res != 0) + ETHR_FATAL_ERROR__(res); + + while (1) { + + val = ethr_atomic32_read(&e->state); + if (val == ETHR_EVENT_ON__) + break; + + res = pthread_cond_wait(&e->cnd, &e->mtx); + if (res == EINTR) + break; + if (res != 0) + ETHR_FATAL_ERROR__(res); + } + + ulres = pthread_mutex_unlock(&e->mtx); + if (ulres != 0) + ETHR_FATAL_ERROR__(ulres); + + return res; /* 0 || EINTR */ +} + +#else +/* --- OSE implementation of events ---------------------------- */ + +#ifdef DEBUG +union SIGNAL { + SIGSELECT signo; +}; +#endif + +int +ethr_event_init(ethr_event *e) +{ + ethr_atomic32_init(&e->state, ETHR_EVENT_OFF__); + e->proc = current_process(); + return 0; +} + +int +ethr_event_destroy(ethr_event *e) +{ + return 0; +} + +static ETHR_INLINE int +wait__(ethr_event *e, int spincount) +{ + int sc = spincount; + int res; + int until_yield = ETHR_YIELD_AFTER_BUSY_LOOPS; + + if (spincount < 0) + ETHR_FATAL_ERROR__(EINVAL); + + ETHR_ASSERT(e->proc == current_process()); + ETHR_ASSERT(get_fsem(current_process()) == 0); + + while (1) { + ethr_sint32_t val; + while (1) { + val = ethr_atomic32_read(&e->state); + if (val == ETHR_EVENT_ON__) + return 0; + if (sc == 0) + break; + sc--; + ETHR_SPIN_BODY; + if (--until_yield == 0) { + until_yield = ETHR_YIELD_AFTER_BUSY_LOOPS; + res = ETHR_YIELD(); + if (res != 0) + ETHR_FATAL_ERROR__(res); + } + } + if (val != ETHR_EVENT_OFF_WAITER__) { + val = ethr_atomic32_cmpxchg(&e->state, + ETHR_EVENT_OFF_WAITER__, + ETHR_EVENT_OFF__); + if (val == ETHR_EVENT_ON__) + return 0; + ETHR_ASSERT(val == ETHR_EVENT_OFF__); + } + + wait_fsem(1); + + ETHR_ASSERT(get_fsem(current_process()) == 0); + } +} + +#endif + +void +ethr_event_reset(ethr_event *e) +{ + ethr_event_reset__(e); +} + +void +ethr_event_set(ethr_event *e) +{ + ethr_event_set__(e); +} + +int +ethr_event_wait(ethr_event *e) +{ + return wait__(e, 0); +} + +int +ethr_event_swait(ethr_event *e, int spincount) +{ + return wait__(e, spincount); +} diff --git a/erts/lib_src/ose/ethread.c b/erts/lib_src/ose/ethread.c new file mode 100644 index 0000000000..53628382b1 --- /dev/null +++ b/erts/lib_src/ose/ethread.c @@ -0,0 +1,832 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2010-2011. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Description: OSE implementation of the ethread library + * Author: Lukas Larsson + */ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "stdio.h" +#ifdef ETHR_TIME_WITH_SYS_TIME +# include "time.h" +# include "sys/time.h" +#else +# ifdef ETHR_HAVE_SYS_TIME_H +# include "sys/time.h" +# else +# include "time.h" +# endif +#endif +#include "sys/types.h" +#include "unistd.h" + +#include "limits.h" + +#define ETHR_INLINE_FUNC_NAME_(X) X ## __ +#define ETHREAD_IMPL__ + +#include "ethread.h" +#include "ethr_internal.h" + +#include "erl_printf.h" +#include "efs.h" +#include "ose.h" + +#include "ose_spi.h" + +#include "string.h" +#include "ctype.h" +#include "stdlib.h" + +#ifndef ETHR_HAVE_ETHREAD_DEFINES +#error Missing configure defines +#endif + +#define ETHR_INVALID_TID_ID -1 + +#define DEFAULT_PRIO_NAME "ERTS_ETHR_DEFAULT_PRIO" + +/* Set the define to 1 to get some logging */ +#if 0 +#include "ramlog.h" +#define LOG(output) ramlog_printf output +#else +#define LOG(output) +#endif + +static ethr_tid main_thr_tid; +static const char* own_tid_key = "ethread_own_tid"; +ethr_tsd_key ethr_ts_event_key__; + +#define ETHREADWRAPDATASIG 1 + +/* Init data sent to thr_wrapper() */ +typedef struct { + SIGSELECT sig_no; + ethr_ts_event *tse; + ethr_tid *tid; + ethr_sint32_t result; + void *(*thr_func)(void *); + void *arg; + void *prep_func_res; + const char *name; +} ethr_thr_wrap_data__; + +union SIGNAL { + SIGSELECT sig_no; + ethr_thr_wrap_data__ data; +}; + +#define ETHR_GET_OWN_TID__ ((ethr_tid *) get_envp(current_process(),\ + own_tid_key)) + +/* + * -------------------------------------------------------------------------- + * Static functions + * -------------------------------------------------------------------------- + */ + +/* Will retrive the instrinsic name by removing the 'prefix' and the + * suffix from 'name'. + * The 'prefix' is given as an inparameter. If NULL or an empty string no + * prefix will be removed. + * If 'strip_suffix' is 1 suffixes in the form of '_123' will be removed. + * Will return a pointer to a newly allocated buffer containing the intrinsic + * name in uppercase characters. + * The caller must remember to free this buffer when no lnger needed. + */ +static char * +ethr_intrinsic_name(const char *name, const char *prefix, int strip_suffix) +{ + const char *start = name; + const char *end = name + strlen(name); + char *intrinsic_name = NULL; + int i; + + if (name == NULL) { + LOG(("ERTS - ethr_intrinsic_namNo input name.\n")); + return NULL; + } + + /* take care of the prefix */ + if ((prefix != NULL) && (*prefix != '\0')) { + const char *found = strstr(name, prefix); + + if (found == name) { + /* found the prefix at the beginning */ + start += strlen(prefix); + } + } + + /* take care of the suffix */ + if (strip_suffix) { + const char *suffix_start = strrchr(start, '_'); + + if (suffix_start != NULL) { + const char *ch; + int only_numbers = 1; + + for (ch = suffix_start + 1; *ch != '\0'; ch++) { + if (strchr("0123456789", *ch) == NULL) { + only_numbers = 0; + break; + } + } + + if (only_numbers) { + end = suffix_start; + } + } + } + + intrinsic_name = malloc(end - start + 1); + for (i = 0; (start + i) < end; i++) { + intrinsic_name[i] = toupper(start[i]); + } + intrinsic_name[i] = '\0'; + + return intrinsic_name; +} + +static char * +ethr_get_amended_env(const char *name, const char *prefix, const char *suffix) +{ + unsigned len; + char *env_name = NULL; + char *env_value = NULL; + + if (name == NULL) { + return NULL; + } + + len = strlen(name); + + if (prefix != NULL) { + len += strlen(prefix); + } + + if (suffix != NULL) { + len += strlen(suffix); + } + + env_name = malloc(len + 1); + sprintf(env_name, "%s%s%s", (prefix != NULL) ? prefix : "", + name, + (suffix != NULL) ? suffix : ""); + env_value = get_env(get_bid(current_process()), env_name); + + if (env_value == NULL) { + LOG(("ERTS - ethr_get_amended_env(): %s environment variable not present\n", env_name)); + } else { + LOG(("ERTS - ethr_get_amended_env(): Found %s environment variable: %s.\n", env_name, env_value)); + } + free(env_name); + + return env_value; +} + +/* Reads the environment variable derived from 'name' and interprets it as as an + * OSE priority. If successfull it will update 'out_prio'. + * Returns: 0 if successfull + * -1 orherwise. + */ +static int +ethr_get_prio(const char *name, OSPRIORITY *out_prio) +{ + int rc = -1; + char *intrinsic_name = NULL; + char *prio_env = NULL; + long prio; + char *endptr = NULL; + + LOG(("ERTS - ethr_get_prio(): name: %s.\n", name)); + + intrinsic_name = ethr_intrinsic_name(name, NULL, 1); + LOG(("ERTS - ethr_get_prio(): Intrinsic name: %s.\n", intrinsic_name)); + + prio_env = ethr_get_amended_env(intrinsic_name, "ERTS_", "_PRIO"); + if (prio_env == NULL) { + goto fini; + } + + prio = efs_str_to_long(prio_env, (const char **)&endptr); + if (endptr != NULL) { + LOG(("ERTS - ethr_get_prio(): Environment varible for '%s' includes " + "non-numerical characters: '%s'.\n", intrinsic_name, prio_env)); + goto fini; + } + + if ((prio < 0) || (prio > 32)) { + LOG(("ERTS - ethr_get_prio(): prio for '%s' (%d) is out of bounds (0-32).\n", + intrinsic_name, prio)); + goto fini; + } + + /* Success */ + *out_prio = (OSPRIORITY)prio; + rc = 0; + +fini: + if (intrinsic_name != NULL) { + free(intrinsic_name); + } + if (prio_env != NULL) { + free_buf((union SIGNAL **) &prio_env); + } + + return rc; +} + +static PROCESS blockId(void) { + static PROCESS bid = (PROCESS)0; + + /* For now we only use the same block. */ + /* if (bid == 0) { + bid = create_block("Erlang-VM", 0, 0, 0, 0); + } + return bid; */ + return 0; +} + +static void thr_exit_cleanup(ethr_tid *tid, void *res) +{ + + ETHR_ASSERT(tid == ETHR_GET_OWN_TID__); + + tid->res = res; + + ethr_run_exit_handlers__(); + ethr_ts_event_destructor__((void *) ethr_get_tse__()); +} + +//static OS_PROCESS(thr_wrapper); +static OS_PROCESS(thr_wrapper) +{ + ethr_tid my_tid; + ethr_sint32_t result; + void *res; + void *(*thr_func)(void *); + void *arg; + ethr_ts_event *tsep = NULL; + +#ifdef DEBUG + { + PROCESS pid = current_process(); + + const char *execMode; + + PROCESS bid = get_bid(pid); + + /* In the call below, 16 is a secret number provided by frbr that makes + * the function return current domain. */ + OSADDRESS domain = get_pid_info(current_process(), 16); + +#ifdef HAVE_OSE_SPI_H + execMode = get_pid_info(pid, OSE_PI_SUPERVISOR) + ? "Supervisor" + : "User"; +#else + execMode = "unknown"; +#endif + + fprintf(stderr,"[0x%x] New process. Bid:0x%x, domain:%d, exec mode:%s\n", + current_process(), bid, domain, execMode); + } +#endif + + { + SIGSELECT sigsel[] = {1,ETHREADWRAPDATASIG}; + union SIGNAL *init_msg = receive(sigsel); + + thr_func = init_msg->data.thr_func; + arg = init_msg->data.arg; + + result = (ethr_sint32_t) ethr_make_ts_event__(&tsep); + + if (result == 0) { + tsep->iflgs |= ETHR_TS_EV_ETHREAD; + my_tid = *init_msg->data.tid; + set_envp(current_process(), own_tid_key, (OSADDRESS)&my_tid); + if (ethr_thr_child_func__) + ethr_thr_child_func__(init_msg->data.prep_func_res); + } + + init_msg->data.result = result; + + send(&init_msg,sender(&init_msg)); + } + + /* pthread mutex api says we have to do this */ + signal_fsem(current_process()); + ETHR_ASSERT(get_fsem(current_process()) == 0); + + res = result == 0 ? (*thr_func)(arg) : NULL; + + ethr_thr_exit(&res); +} + +/* internal exports */ + +int ethr_set_tse__(ethr_ts_event *tsep) +{ + return ethr_tsd_set(ethr_ts_event_key__,(void *) tsep); +} + +ethr_ts_event *ethr_get_tse__(void) +{ + return (ethr_ts_event *) ethr_tsd_get(ethr_ts_event_key__); +} + +#if defined(ETHR_PPC_RUNTIME_CONF__) + +static int +ppc_init__(void) +{ + int pid; + + + ethr_runtime__.conf.have_lwsync = 0; + + return 0; +} + +#endif + +#if defined(ETHR_X86_RUNTIME_CONF__) + +void +ethr_x86_cpuid__(int *eax, int *ebx, int *ecx, int *edx) +{ +#if ETHR_SIZEOF_PTR == 4 + int have_cpuid; + /* + * If it is possible to toggle eflags bit 21, + * we have the cpuid instruction. + */ + __asm__ ("pushf\n\t" + "popl %%eax\n\t" + "movl %%eax, %%ecx\n\t" + "xorl $0x200000, %%eax\n\t" + "pushl %%eax\n\t" + "popf\n\t" + "pushf\n\t" + "popl %%eax\n\t" + "movl $0x0, %0\n\t" + "xorl %%ecx, %%eax\n\t" + "jz no_cpuid\n\t" + "movl $0x1, %0\n\t" + "no_cpuid:\n\t" + : "=r"(have_cpuid) + : + : "%eax", "%ecx", "cc"); + if (!have_cpuid) { + *eax = *ebx = *ecx = *edx = 0; + return; + } +#endif +#if ETHR_SIZEOF_PTR == 4 && defined(__PIC__) && __PIC__ + /* + * When position independet code is used in 32-bit mode, the B register + * is used for storage of global offset table address, and we may not + * use it as input or output in an asm. We need to save and restore the + * B register explicitly (for some reason gcc doesn't provide this + * service to us). + */ + __asm__ ("pushl %%ebx\n\t" + "cpuid\n\t" + "movl %%ebx, %1\n\t" + "popl %%ebx\n\t" + : "=a"(*eax), "=r"(*ebx), "=c"(*ecx), "=d"(*edx) + : "0"(*eax) + : "cc"); +#else + __asm__ ("cpuid\n\t" + : "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx) + : "0"(*eax) + : "cc"); +#endif +} + +#endif /* ETHR_X86_RUNTIME_CONF__ */ + +/* + * -------------------------------------------------------------------------- + * Exported functions + * -------------------------------------------------------------------------- + */ + +int +ethr_init(ethr_init_data *id) +{ + int res; + + if (!ethr_not_inited__) + return EINVAL; + + +#if defined(ETHR_PPC_RUNTIME_CONF__) + res = ppc_init__(); + if (res != 0) + goto error; +#endif + + res = ethr_init_common__(id); + if (res != 0) + goto error; + + main_thr_tid.id = current_process(); + main_thr_tid.tsd_key_index = 0; + + set_envp(current_process(),own_tid_key,(OSADDRESS)&main_thr_tid); + signal_fsem(current_process()); + + + ETHR_ASSERT(&main_thr_tid == ETHR_GET_OWN_TID__); + + ethr_not_inited__ = 0; + + ethr_tsd_key_create(ðr_ts_event_key__,"ethread_tse"); + + return 0; + error: + ethr_not_inited__ = 1; + return res; + +} + +int +ethr_late_init(ethr_late_init_data *id) +{ + int res = ethr_late_init_common__(id); + if (res != 0) + return res; + ethr_not_completely_inited__ = 0; + return res; +} + +int +ethr_thr_create(ethr_tid *tid, void * (*func)(void *), void *arg, + ethr_thr_opts *opts) +{ + int res; + int use_stack_size = (opts && opts->suggested_stack_size >= 0 + ? opts->suggested_stack_size + : 0x200 /* Use system default */); + OSPRIORITY use_prio; + char *use_name; + char default_thr_name[20]; + static int no_of_thr = 0; + cpuid_t use_core; + + union SIGNAL *init_msg; + SIGSELECT sigsel[] = {1,ETHREADWRAPDATASIG}; + void *prep_func_res; + + + if (opts != NULL) { + LOG(("ERTS - ethr_thr_create(): opts supplied: name: %s, coreNo: %u.\n", + opts->name, opts->coreNo)); + use_name = opts->name; + use_core = opts->coreNo; + if (0 != ethr_get_prio(use_name, &use_prio)) { + if (0 != ethr_get_prio("DEFAULT", &use_prio)) { + use_prio = get_pri(current_process()); + LOG(("ERTS - ethr_thr_create(): Using current process' prio: %d.\n", use_prio)); + } else { + LOG(("ERTS - ethr_thr_create(): Using default prio: %d.\n", use_prio)); + } + } else { + LOG(("ERTS - ethr_thr_create(): Using configured prio: %d.\n", use_prio)); + } + } else { + LOG(("ERTS - ethr_thr_create(): opts not supplied. Using defaults.\n")); + no_of_thr++; + sprintf(default_thr_name, "ethread_%d", no_of_thr); + use_name = default_thr_name; + use_core = ose_cpu_id(); + + if (0 != ethr_get_prio("DEFAULT", &use_prio)) { + use_prio = get_pri(current_process()); + LOG(("ERTS - ethr_thr_create(): Using current process' prio: %d.\n", use_prio)); + } + } + +#ifdef ETHR_MODIFIED_DEFAULT_STACK_SIZE + if (use_stack_size < 0) + use_stack_size = ETHR_MODIFIED_DEFAULT_STACK_SIZE; +#endif + +#if ETHR_XCHK + if (ethr_not_completely_inited__) { + ETHR_ASSERT(0); + return EACCES; + } + if (!tid || !func) { + ETHR_ASSERT(0); + return EINVAL; + } +#endif + + if (use_stack_size >= 0) { + size_t suggested_stack_size = (size_t) use_stack_size; + size_t stack_size; +#ifdef ETHR_DEBUG + suggested_stack_size /= 2; /* Make sure we got margin */ +#endif +#ifdef ETHR_STACK_GUARD_SIZE + /* The guard is at least on some platforms included in the stack size + passed when creating threads */ + suggested_stack_size += ETHR_B2KW(ETHR_STACK_GUARD_SIZE); +#endif + + if (suggested_stack_size < ethr_min_stack_size__) + stack_size = ETHR_KW2B(ethr_min_stack_size__); + else if (suggested_stack_size > ethr_max_stack_size__) + stack_size = ETHR_KW2B(ethr_max_stack_size__); + else + stack_size = ETHR_PAGE_ALIGN(ETHR_KW2B(suggested_stack_size)); + use_stack_size = stack_size; + } + + init_msg = alloc(sizeof(ethr_thr_wrap_data__), ETHREADWRAPDATASIG); + + /* Call prepare func if it exist */ + if (ethr_thr_prepare_func__) + init_msg->data.prep_func_res = ethr_thr_prepare_func__(); + else + init_msg->data.prep_func_res = NULL; + + LOG(("ERTS - ethr_thr_create(): Process [0x%x] is creating '%s', coreNo = %u, prio:%u\n", + current_process(), use_name, use_core, use_prio)); + + tid->id = create_process(OS_PRI_PROC, use_name, thr_wrapper, + use_stack_size, use_prio, 0, + get_bid(current_process()), NULL, 0, 0); + if (ose_bind_process(tid->id, use_core)) { + LOG(("ERTS - ethr_thr_create(): Bound pid 0x%x (%s) to core no %u.\n", + tid->id, use_name, use_core)); + } else { + LOG(("ERTS - ethr_thr_create(): Failed binding pid 0x%x (%s) to core no %u.\n", + tid->id, use_name, use_core)); + } + + /*FIXME!!! Normally this shouldn't be used in shared mode. Still there is + * a problem with stdin fd in fd_ processes which should be further + * investigated */ + efs_clone(tid->id); + + tid->tsd_key_index = 0; + tid->res = NULL; + + init_msg->data.tse = ethr_get_ts_event(); + init_msg->data.thr_func = func; + init_msg->data.arg = arg; + init_msg->data.tid = tid; + init_msg->data.name = opts->name; + + send(&init_msg, tid->id); + + start(tid->id); + init_msg = receive(sigsel); + + res = init_msg->data.result; + prep_func_res = init_msg->data.prep_func_res; + + free_buf(&init_msg); + /* Cleanup... */ + + if (ethr_thr_parent_func__) + ethr_thr_parent_func__(prep_func_res); + + LOG(("ERTS - ethr_thr_create(): Exiting.\n")); + return res; +} + +int +ethr_thr_join(ethr_tid tid, void **res) +{ + SIGSELECT sigsel[] = {1,OS_ATTACH_SIG}; +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } +#endif + + if (tid.id == ETHR_INVALID_TID_ID) + return EINVAL; + + attach(NULL,tid.id); + receive(sigsel); + + if (res) + *res = tid.res; + + return 0; +} + +int +ethr_thr_detach(ethr_tid tid) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } +#endif + return 0; +} + +void +ethr_thr_exit(void *res) +{ + ethr_tid *tid; +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return; + } +#endif + tid = ETHR_GET_OWN_TID__; + if (!tid) { + ETHR_ASSERT(0); + kill_proc(current_process()); + } + thr_exit_cleanup(tid, res); + /* Harakiri possible? */ + kill_proc(current_process()); +} + +ethr_tid +ethr_self(void) +{ + ethr_tid *tid; +#if ETHR_XCHK + if (ethr_not_inited__) { + ethr_tid dummy_tid = {ETHR_INVALID_TID_ID, 0, NULL}; + ETHR_ASSERT(0); + return dummy_tid; + } +#endif + tid = ETHR_GET_OWN_TID__; + if (!tid) { + ethr_tid dummy_tid = {ETHR_INVALID_TID_ID, 0, NULL}; + return dummy_tid; + } + return *tid; +} + +int +ethr_equal_tids(ethr_tid tid1, ethr_tid tid2) +{ + return tid1.id == tid2.id && tid1.id != ETHR_INVALID_TID_ID; +} + + +/* + * Thread specific events + */ + +ethr_ts_event * +ethr_get_ts_event(void) +{ + return ethr_get_ts_event__(); +} + +void +ethr_leave_ts_event(ethr_ts_event *tsep) +{ + ethr_leave_ts_event__(tsep); +} + +/* + * Thread specific data + */ + +int +ethr_tsd_key_create(ethr_tsd_key *keyp, char *keyname) +{ + +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } + if (!keyp) { + ETHR_ASSERT(0); + return EINVAL; + } +#endif + + ose_create_ppdata(keyname,keyp); + + return 0; +} + +int +ethr_tsd_key_delete(ethr_tsd_key key) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } +#endif + /* Not possible to delete ppdata */ + + return 0; +} + +int +ethr_tsd_set(ethr_tsd_key key, void *value) +{ + void **ppdp; +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } +#endif + ppdp = (void **)ose_get_ppdata(key); + *ppdp = value; + return 0; +} + +void * +ethr_tsd_get(ethr_tsd_key key) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return NULL; + } +#endif + return *(void**)ose_get_ppdata(key); +} + +/* + * Signal functions + */ + +#if ETHR_HAVE_ETHR_SIG_FUNCS + +int ethr_sigmask(int how, const sigset_t *set, sigset_t *oset) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } + if (!set && !oset) { + ETHR_ASSERT(0); + return EINVAL; + } +#endif + return pthread_sigmask(how, set, oset); +} + +int ethr_sigwait(const sigset_t *set, int *sig) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } + if (!set || !sig) { + ETHR_ASSERT(0); + return EINVAL; + } +#endif + if (sigwait(set, sig) < 0) + return errno; + return 0; +} + +#endif /* #if ETHR_HAVE_ETHR_SIG_FUNCS */ + +ETHR_IMPL_NORETURN__ +ethr_abort__(void) +{ + abort(); +} diff --git a/erts/lib_src/pthread/ethread.c b/erts/lib_src/pthread/ethread.c index fb7d135418..7f27b5f29c 100644 --- a/erts/lib_src/pthread/ethread.c +++ b/erts/lib_src/pthread/ethread.c @@ -472,7 +472,7 @@ ethr_leave_ts_event(ethr_ts_event *tsep) */ int -ethr_tsd_key_create(ethr_tsd_key *keyp) +ethr_tsd_key_create(ethr_tsd_key *keyp, char *keyname) { #if ETHR_XCHK if (ethr_not_inited__) { diff --git a/erts/lib_src/win/ethread.c b/erts/lib_src/win/ethread.c index 3abda6de4c..14d0b6deff 100644 --- a/erts/lib_src/win/ethread.c +++ b/erts/lib_src/win/ethread.c @@ -520,7 +520,7 @@ ethr_equal_tids(ethr_tid tid1, ethr_tid tid2) */ int -ethr_tsd_key_create(ethr_tsd_key *keyp) +ethr_tsd_key_create(ethr_tsd_key *keyp, char *keyname) { DWORD key; #if ETHR_XCHK diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam Binary files differindex 6b132dc38b..8f3bfd356c 100644 --- a/erts/preloaded/ebin/erl_prim_loader.beam +++ b/erts/preloaded/ebin/erl_prim_loader.beam diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl index 4b9e901c6d..578913b633 100644 --- a/erts/preloaded/src/erl_prim_loader.erl +++ b/erts/preloaded/src/erl_prim_loader.erl @@ -262,6 +262,8 @@ check_file_result(_, _, {error,enoent}) -> error; check_file_result(_, _, {error,enotdir}) -> error; +check_file_result(_, _, {error,einval}) -> + error; check_file_result(Func, Target, {error,Reason}) -> case (catch atom_to_list(Reason)) of {'EXIT',_} -> % exit trapped @@ -1392,6 +1394,8 @@ absname_vr([Drive, $\: | NameRest], _) -> %% Assumes normalized name pathtype(Name) when is_list(Name) -> case erlang:system_info(os_type) of + {ose, _} -> + unix_pathtype(Name); {unix, _} -> unix_pathtype(Name); {win32, _} -> diff --git a/erts/start_scripts/Makefile b/erts/start_scripts/Makefile index 32e65a227f..14d5d46195 100644 --- a/erts/start_scripts/Makefile +++ b/erts/start_scripts/Makefile @@ -52,7 +52,7 @@ endif ############################################################################## # Get version numbers from the VSN files -# VSN & SYSTEM_VSN +# VSN include ../vsn.mk include $(LIBPATH)/kernel/vsn.mk include $(LIBPATH)/stdlib/vsn.mk diff --git a/erts/test/Makefile b/erts/test/Makefile index 74a5bb1ccc..6fbc19fcae 100644 --- a/erts/test/Makefile +++ b/erts/test/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2012. All Rights Reserved. +# Copyright Ericsson AB 1997-2014. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -36,7 +36,8 @@ MODULES= \ erl_print_SUITE \ run_erl_SUITE \ erlexec_SUITE \ - z_SUITE + z_SUITE \ + upgrade_SUITE ERL_FILES= $(MODULES:%=%.erl) diff --git a/erts/test/ethread_SUITE_data/ethread_tests.c b/erts/test/ethread_SUITE_data/ethread_tests.c index ed96ecdbd2..1d8083ef1f 100644 --- a/erts/test/ethread_SUITE_data/ethread_tests.c +++ b/erts/test/ethread_SUITE_data/ethread_tests.c @@ -976,7 +976,7 @@ tsd_test(void) ethr_tid tid[TT_THREADS]; int values[TT_THREADS]; - res = ethr_tsd_key_create(&tt_key); + res = ethr_tsd_key_create(&tt_key,"tsd_test"); ASSERT(res == 0); for (i = 1; i < TT_THREADS; i++) { diff --git a/erts/test/upgrade_SUITE.erl b/erts/test/upgrade_SUITE.erl new file mode 100644 index 0000000000..ee84a5dfd7 --- /dev/null +++ b/erts/test/upgrade_SUITE.erl @@ -0,0 +1,447 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2014. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +-module(upgrade_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("kernel/include/file.hrl"). + +-define(upgr_sname,otp_upgrade). + +%% Applications that are excluded from this test because they can not +%% just be started in a new node with out specific configuration. +-define(start_exclude, + [cosEvent,cosEventDomain,cosFileTransfer,cosNotification, + cosProperty,cosTime,cosTransactions,erts,ic,netconf,orber, + safe]). + +%% Applications that are excluded from this test because their appup +%% file don't support the upgrade. +%% In specific: +%% - hipe does not support any upgrade at all +%% - dialyzer requires hipe (in the .app file) +%% - typer requires hipe (in the .app file) +-define(appup_exclude, + [dialyzer,hipe,typer]). + +init_per_suite(Config) -> + %% Check that a real release is running, not e.g. cerl + ok = application:ensure_started(sasl), + case release_handler:which_releases() of + [{_,_,[],_}] -> + %% Fake release, no applications + {skip, "Need a real release running to create other releases"}; + _ -> + rm_rf(filename:join([?config(data_dir,Config),priv_dir])), + Config + end. + +init_per_testcase(Case,Config) -> + PrivDir = filename:join([?config(data_dir,Config),priv_dir,Case]), + CreateDir = filename:join([PrivDir,create]), + InstallDir = filename:join([PrivDir,install]), + ok = filelib:ensure_dir(filename:join(CreateDir,"*")), + ok = filelib:ensure_dir(filename:join(InstallDir,"*")), + Config1 = lists:keyreplace(priv_dir,1,Config,{priv_dir,PrivDir}), + [{create_dir,CreateDir},{install_dir,InstallDir}|Config1]. + +end_per_testcase(_Case,Config) -> + Nodes = nodes(), + [test_server:stop_node(Node) || Node <- Nodes], + case ?config(tc_status,Config) of + ok -> + %% Note that priv_dir here is per test case! + rm_rf(?config(priv_dir,Config)); + _fail -> + %% Test case data can be found under DataDir/priv_dir/Case + ok + end, + ok. + +all() -> + [minor,major]. + +%% If this is major release X, then this test performs an upgrade from +%% major release X-1 to the current release. +major(Config) -> + Current = erlang:system_info(otp_release), + PreviousMajor = previous_major(Current), + upgrade_test(PreviousMajor,Current,Config). + +%% If this is a patched version of major release X, then this test +%% performs an upgrade from major release X to the current release. +minor(Config) -> + CurrentMajor = erlang:system_info(otp_release), + Current = CurrentMajor++"_patched", + upgrade_test(CurrentMajor,Current,Config). + +%%%----------------------------------------------------------------- +upgrade_test(FromVsn,ToVsn,Config) -> + OldRel = + case test_server:is_release_available(FromVsn) of + true -> + {release,FromVsn}; + false -> + case ct:get_config({otp_releases,list_to_atom(FromVsn)}) of + undefined -> + false; + Prog0 -> + case os:find_executable(Prog0) of + false -> + false; + Prog -> + {prog,Prog} + end + end + end, + case OldRel of + false -> + %% Note that priv_dir here is per test case! + rm_rf(?config(priv_dir,Config)), + {skip, "no previous release available"}; + _ -> + upgrade_test1(FromVsn,ToVsn,[{old_rel,OldRel}|Config]) + end. + +upgrade_test1(FromVsn,ToVsn,Config) -> + CreateDir = ?config(create_dir,Config), + InstallDir = ?config(install_dir,Config), + FromRelName = "otp-"++FromVsn, + ToRelName = "otp-"++ToVsn, + + {FromRel,FromApps} = target_system(FromRelName, FromVsn, + CreateDir, InstallDir,Config), + {ToRel,ToApps} = upgrade_system(FromRel, ToRelName, ToVsn, + CreateDir, InstallDir), + do_upgrade(FromVsn, FromApps, ToRel, ToApps, InstallDir). + +%%%----------------------------------------------------------------- +%%% This is similar to sasl/examples/src/target_system.erl, but with +%%% the following adjustments: +%%% - add a log directory +%%% - use an own 'start' script +%%% - chmod 'start' and 'start_erl' +target_system(RelName0,RelVsn,CreateDir,InstallDir,Config) -> + {ok,Node} = test_server:start_node(list_to_atom(RelName0),peer, + [{erl,[?config(old_rel,Config)]}]), + + {RelName,Apps,ErtsVsn} = create_relfile(Node,CreateDir,RelName0,RelVsn), + + %% Create .script and .boot + ok = rpc:call(Node,systools,make_script,[RelName]), + + %% Create base tar file - i.e. erts and all apps + ok = rpc:call(Node,systools,make_tar, + [RelName,[{erts,rpc:call(Node,code,root_dir,[])}]]), + + %% Unpack the tar to complete the installation + erl_tar:extract(RelName ++ ".tar.gz", [{cwd, InstallDir}, compressed]), + + %% Add bin and log dirs + BinDir = filename:join([InstallDir, "bin"]), + file:make_dir(BinDir), + file:make_dir(filename:join(InstallDir,"log")), + + %% Delete start scripts - they will be added later + ErtsBinDir = filename:join([InstallDir, "erts-" ++ ErtsVsn, "bin"]), + file:delete(filename:join([ErtsBinDir, "erl"])), + file:delete(filename:join([ErtsBinDir, "start"])), + file:delete(filename:join([ErtsBinDir, "start_erl"])), + + %% Copy .boot to bin/start.boot + copy_file(RelName++".boot",filename:join([BinDir, "start.boot"])), + + %% Copy scripts from erts-xxx/bin to bin + copy_file(filename:join([ErtsBinDir, "epmd"]), + filename:join([BinDir, "epmd"]), [preserve]), + copy_file(filename:join([ErtsBinDir, "run_erl"]), + filename:join([BinDir, "run_erl"]), [preserve]), + copy_file(filename:join([ErtsBinDir, "to_erl"]), + filename:join([BinDir, "to_erl"]), [preserve]), + + %% create start_erl.data and sys.config + StartErlData = filename:join([InstallDir, "releases", "start_erl.data"]), + write_file(StartErlData, io_lib:fwrite("~s ~s~n", [ErtsVsn, RelVsn])), + SysConfig = filename:join([InstallDir, "releases", RelVsn, "sys.config"]), + write_file(SysConfig, "[]."), + + %% Insert 'start' script from data_dir - modified to add sname and heart + copy_file(filename:join(?config(data_dir,Config),"start.src"), + filename:join(ErtsBinDir,"start.src")), + ok = file:change_mode(filename:join(ErtsBinDir,"start.src"),8#0755), + + %% Make start_erl executable + %% (this has been fixed in OTP 17 - is is now installed with + %% $INSTALL_SCRIPT instead of $INSTALL_DATA and should therefore + %% be executable from the start) + ok = file:change_mode(filename:join(ErtsBinDir,"start_erl.src"),8#0755), + + %% Substitute variables in erl.src, start.src and start_erl.src + %% (.src found in erts-xxx/bin - result stored in bin) + subst_src_scripts(["erl", "start", "start_erl"], ErtsBinDir, BinDir, + [{"FINAL_ROOTDIR", InstallDir}, {"EMU", "beam"}], + [preserve]), + + %% Create RELEASES + RelFile = filename:join([InstallDir, "releases", + filename:basename(RelName) ++ ".rel"]), + release_handler:create_RELEASES(InstallDir, RelFile), + + true = test_server:stop_node(Node), + + {RelName,Apps}. + +%%%----------------------------------------------------------------- +%%% Create a release containing the current (the test node) OTP +%%% release, including relup to allow upgrade from an earlier OTP +%%% release. +upgrade_system(FromRel, ToRelName0, ToVsn, + CreateDir, InstallDir) -> + + {RelName,Apps,_} = create_relfile(node(),CreateDir,ToRelName0,ToVsn), + FromPath = filename:join([InstallDir,lib,"*",ebin]), + + ok = systools:make_script(RelName), + ok = systools:make_relup(RelName,[FromRel],[FromRel], + [{path,[FromPath]}, + {outdir,CreateDir}]), + SysConfig = filename:join([CreateDir, "sys.config"]), + write_file(SysConfig, "[]."), + + ok = systools:make_tar(RelName,[{erts,code:root_dir()}]), + + {RelName,Apps}. + +%%%----------------------------------------------------------------- +%%% Start a new node running the release from target_system/5 +%%% above. Then upgrade to the system from upgrade_system/5. +do_upgrade(FromVsn,FromApps,ToRel,ToApps,InstallDir) -> + Start = filename:join([InstallDir,bin,start]), + {ok,Node} = start_node(Start,permanent,FromVsn,FromApps), + + [{"OTP upgrade test",FromVsn,_,permanent}] = + rpc:call(Node,release_handler,which_releases,[]), + {ok,ToVsn} = rpc:call(Node,release_handler,unpack_release,[ToRel]), + [{"OTP upgrade test",ToVsn,_,unpacked}, + {"OTP upgrade test",FromVsn,_,permanent}] = + rpc:call(Node,release_handler,which_releases,[]), + case rpc:call(Node,release_handler,install_release,[ToVsn]) of + {ok,FromVsn,_} -> + ok; + {continue_after_restart,FromVsn,_} -> + wait_node_up(current,ToVsn,ToApps) + end, + [{"OTP upgrade test",ToVsn,_,current}, + {"OTP upgrade test",FromVsn,_,permanent}] = + rpc:call(Node,release_handler,which_releases,[]), + ok = rpc:call(Node,release_handler,make_permanent,[ToVsn]), + [{"OTP upgrade test",ToVsn,_,permanent}, + {"OTP upgrade test",FromVsn,_,old}] = + rpc:call(Node,release_handler,which_releases,[]), + + erlang:monitor_node(Node,true), + _ = rpc:call(Node,init,stop,[]), + receive {nodedown,Node} -> ok end, + + ok. + +%%%----------------------------------------------------------------- +%%% Library functions +previous_major("17") -> + "r16"; +previous_major(Rel) -> + integer_to_list(list_to_integer(Rel)-1). + +create_relfile(Node,CreateDir,RelName0,RelVsn) -> + LibDir = rpc:call(Node,code,lib_dir,[]), + SplitLibDir = filename:split(LibDir), + Paths = rpc:call(Node,code,get_path,[]), + Exclude = ?start_exclude ++ ?appup_exclude, + Apps = lists:flatmap( + fun(Path) -> + case lists:prefix(LibDir,Path) of + true -> + case filename:split(Path) -- SplitLibDir of + [AppVsn,"ebin"] -> + case string:tokens(AppVsn,"-") of + [AppStr,Vsn] -> + App = list_to_atom(AppStr), + case lists:member(App,Exclude) of + true -> + []; + false -> + [{App,Vsn,restart_type(App)}] + end; + _ -> + [] + end; + _ -> + [] + end; + false -> + [] + end + end, + Paths), + + ErtsVsn = rpc:call(Node, erlang, system_info, [version]), + + %% Create the .rel file + RelContent = {release, {"OTP upgrade test", RelVsn}, {erts, ErtsVsn}, Apps}, + RelName = filename:join(CreateDir,RelName0), + RelFile = RelName++".rel", + {ok,Fd} = file:open(RelFile,[write,{encoding,utf8}]), + io:format(Fd,"~tp.~n",[RelContent]), + ok = file:close(Fd), + {RelName,Apps,ErtsVsn}. + +restart_type(App) when App==kernel; App==stdlib; App==sasl -> + permanent; +restart_type(_) -> + temporary. + +copy_file(Src, Dest) -> + copy_file(Src, Dest, []). + +copy_file(Src, Dest, Opts) -> + {ok,_} = file:copy(Src, Dest), + case lists:member(preserve, Opts) of + true -> + {ok, FileInfo} = file:read_file_info(Src), + file:write_file_info(Dest, FileInfo); + false -> + ok + end. + + +write_file(FName, Conts) -> + Enc = file:native_name_encoding(), + {ok, Fd} = file:open(FName, [write]), + file:write(Fd, unicode:characters_to_binary(Conts,Enc,Enc)), + file:close(Fd). + + +subst_src_scripts(Scripts, SrcDir, DestDir, Vars, Opts) -> + lists:foreach(fun(Script) -> + subst_src_script(Script, SrcDir, DestDir, + Vars, Opts) + end, Scripts). + +subst_src_script(Script, SrcDir, DestDir, Vars, Opts) -> + subst_file(filename:join([SrcDir, Script ++ ".src"]), + filename:join([DestDir, Script]), + Vars, Opts). + +subst_file(Src, Dest, Vars, Opts) -> + {ok, Bin} = file:read_file(Src), + Conts = binary_to_list(Bin), + NConts = subst(Conts, Vars), + write_file(Dest, NConts), + case lists:member(preserve, Opts) of + true -> + {ok, FileInfo} = file:read_file_info(Src), + file:write_file_info(Dest, FileInfo); + false -> + ok + end. + +%% subst(Str, Vars) +%% Vars = [{Var, Val}] +%% Var = Val = string() +%% Substitute all occurrences of %Var% for Val in Str, using the list +%% of variables in Vars. +%% +subst(Str, Vars) -> + subst(Str, Vars, []). + +subst([$%, C| Rest], Vars, Result) when $A =< C, C =< $Z -> + subst_var([C| Rest], Vars, Result, []); +subst([$%, C| Rest], Vars, Result) when $a =< C, C =< $z -> + subst_var([C| Rest], Vars, Result, []); +subst([$%, C| Rest], Vars, Result) when C == $_ -> + subst_var([C| Rest], Vars, Result, []); +subst([C| Rest], Vars, Result) -> + subst(Rest, Vars, [C| Result]); +subst([], _Vars, Result) -> + lists:reverse(Result). + +subst_var([$%| Rest], Vars, Result, VarAcc) -> + Key = lists:reverse(VarAcc), + case lists:keysearch(Key, 1, Vars) of + {value, {Key, Value}} -> + subst(Rest, Vars, lists:reverse(Value, Result)); + false -> + subst(Rest, Vars, [$%| VarAcc ++ [$%| Result]]) + end; +subst_var([C| Rest], Vars, Result, VarAcc) -> + subst_var(Rest, Vars, Result, [C| VarAcc]); +subst_var([], Vars, Result, VarAcc) -> + subst([], Vars, [VarAcc ++ [$%| Result]]). + + +%%%----------------------------------------------------------------- +%%% +start_node(Start,ExpStatus,ExpVsn,ExpApps) -> + case open_port({spawn_executable, Start}, []) of + Port when is_port(Port) -> + unlink(Port), + erlang:port_close(Port), + wait_node_up(ExpStatus,ExpVsn,ExpApps); + Error -> + Error + end. + +wait_node_up(ExpStatus,ExpVsn,ExpApps0) -> + ExpApps = [{A,V} || {A,V,_T} <- ExpApps0], + Node = node_name(?upgr_sname), + wait_node_up(Node,ExpStatus,ExpVsn,lists:keysort(1,ExpApps),60). + +wait_node_up(Node,ExpStatus,ExpVsn,ExpApps,0) -> + ct:fail({app_check_failed,ExpVsn,ExpApps, + rpc:call(Node,release_handler,which_releases,[ExpStatus]), + rpc:call(Node,application,which_applications,[])}); +wait_node_up(Node,ExpStatus,ExpVsn,ExpApps,N) -> + timer:sleep(2000), + case {rpc:call(Node,release_handler,which_releases,[ExpStatus]), + rpc:call(Node, application, which_applications, [])} of + {[{_,ExpVsn,_,_}],Apps} when is_list(Apps) -> + case [{A,V} || {A,_,V} <- lists:keysort(1,Apps)] of + ExpApps -> {ok,Node}; + _ -> wait_node_up(Node,ExpStatus,ExpVsn,ExpApps,N-1) + end; + _ -> + wait_node_up(Node,ExpStatus,ExpVsn,ExpApps,N-1) + end. + +node_name(Sname) -> + {ok,Host} = inet:gethostname(), + list_to_atom(atom_to_list(Sname) ++ "@" ++ Host). + +rm_rf(Dir) -> + case file:read_file_info(Dir) of + {ok, #file_info{type = directory}} -> + {ok, Content} = file:list_dir_all(Dir), + [rm_rf(filename:join(Dir,C)) || C <- Content], + ok=file:del_dir(Dir), + ok; + {ok, #file_info{}} -> + ok=file:delete(Dir); + _ -> + ok + end. diff --git a/erts/test/upgrade_SUITE_data/start.src b/erts/test/upgrade_SUITE_data/start.src new file mode 100644 index 0000000000..70d1a322c9 --- /dev/null +++ b/erts/test/upgrade_SUITE_data/start.src @@ -0,0 +1,36 @@ +#!/bin/sh +# +# %CopyrightBegin% +# +# Copyright Ericsson AB 2014. All Rights Reserved. +# +# The contents of this file are subject to the Erlang Public License, +# Version 1.1, (the "License"); you may not use this file except in +# compliance with the License. You should have received a copy of the +# Erlang Public License along with this software. If not, it can be +# retrieved online at http://www.erlang.org/. +# +# Software distributed under the License is distributed on an "AS IS" +# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +# the License for the specific language governing rights and limitations +# under the License. +# +# %CopyrightEnd% +# +# This program invokes the erlang emulator by calling run_erl. +# It should only be used at an embedded target system. +# It should be modified to give the correct flags to erl (via start_erl), +# e.g -mode embedded -sname XXX +# +# Usage: start [Data] +# +ROOTDIR=%FINAL_ROOTDIR% + +if [ -z "$RELDIR" ] +then + RELDIR=$ROOTDIR/releases +fi + +START_ERL_DATA=${1:-$RELDIR/start_erl.data} + +$ROOTDIR/bin/run_erl -daemon /tmp/ $ROOTDIR/log "exec $ROOTDIR/bin/start_erl $ROOTDIR $RELDIR $START_ERL_DATA -sname otp_upgrade -heart" diff --git a/erts/vsn.mk b/erts/vsn.mk index 88a393f3d5..081fb66398 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -19,11 +19,6 @@ VSN = 6.0 -# OTP major version -SYSTEM_VSN = 17 -# OTP correction package version -SYSTEM_CP_VSN = 17.0-rc1 - # Port number 4365 in 4.2 # Port number 4366 in 4.3 # Port number 4368 in 4.4.0 - 4.6.2 |