diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/configure.in | 5 | ||||
| -rw-r--r-- | erts/emulator/beam/bif.c | 2 | ||||
| -rw-r--r-- | erts/etc/unix/run_erl.c | 8 | ||||
| -rw-r--r-- | erts/include/internal/ethread.h | 4 | ||||
| -rw-r--r-- | erts/include/internal/gcc/ethread.h | 5 |
5 files changed, 22 insertions, 2 deletions
diff --git a/erts/configure.in b/erts/configure.in index 2f624e5853..64436e933c 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1051,12 +1051,15 @@ if test $ERTS_BUILD_SMP_EMU = yes; then AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built]) + test "X$smp_require_native_atomics" = "Xyes" && + AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations]) + case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in yes-*) ;; no-yes-*) - AC_MSG_ERROR([No native atomic implementation found. See INSTALL.md for more information.]) + AC_MSG_ERROR([No native atomic implementation found. See Configuring section in INSTALL.md for more information.]) ;; no-no-yes) diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index ff237b6a78..755c5e6882 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -3934,7 +3934,7 @@ BIF_RETTYPE halt_2(BIF_ALIST_2) { Sint code; Eterm optlist = BIF_ARG_2; - int flush = 0; + int flush = 1; for (optlist = BIF_ARG_2; is_list(optlist); diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index 53c779b1be..b69e31f784 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -1142,6 +1142,14 @@ static void daemon_init(void) sf_close(i); } + /* Necessary on some platforms */ + + open("/dev/null", O_RDONLY); /* Order is important! */ + open("/dev/null", O_WRONLY); + open("/dev/null", O_WRONLY); + + errno = 0; /* if set by open */ + OPEN_SYSLOG(); run_daemon = 1; } diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index 407097d4b1..38b8e9e9b6 100644 --- a/erts/include/internal/ethread.h +++ b/erts/include/internal/ethread.h @@ -361,6 +361,10 @@ extern ethr_runtime_t ethr_runtime__; # endif #endif /* !ETHR_DISABLE_NATIVE_IMPLS */ +#if !defined(ETHR_HAVE_NATIVE_ATOMIC32) && !defined(ETHR_HAVE_NATIVE_ATOMIC64) && !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(ETHR_SMP_REQUIRE_NATIVE_IMPLS) +#error "No native ethread implementation found. If you want to use fallbacks you have to disable native ethread support with configure." +#endif + #include "ethr_atomics.h" /* The atomics API */ #if defined(__GNUC__) diff --git a/erts/include/internal/gcc/ethread.h b/erts/include/internal/gcc/ethread.h index fcfdc39441..365a3535cf 100644 --- a/erts/include/internal/gcc/ethread.h +++ b/erts/include/internal/gcc/ethread.h @@ -25,6 +25,9 @@ #ifndef ETHREAD_GCC_H__ #define ETHREAD_GCC_H__ +#if defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32) \ + || defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64) + #ifndef ETHR_MEMBAR # include "ethr_membar.h" #endif @@ -46,3 +49,5 @@ #endif #endif + +#endif |