diff options
Diffstat (limited to 'erts')
28 files changed, 431 insertions, 183 deletions
diff --git a/erts/autoconf/vxworks/sed.general b/erts/autoconf/vxworks/sed.general index dbb9420b67..efa4e99054 100644 --- a/erts/autoconf/vxworks/sed.general +++ b/erts/autoconf/vxworks/sed.general @@ -57,6 +57,7 @@ s|@ETHR_LIB_NAME@|| s|@ETHR_DEFS@|| s|@ETHR_THR_LIB_BASE@|| s|@ETHR_THR_LIB_BASE_DIR@|| +s|@SYSTEMD_DAEMON_LIBS@|| s|@EMU_THR_DEFS@|| s|@EMU_THR_LIBS@|| s|@EMU_THR_LIB_NAME@|ethread| diff --git a/erts/configure.in b/erts/configure.in index f66110b98b..40b335849c 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -4821,6 +4821,26 @@ if test "x$GCC" = xyes; then fi dnl ---------------------------------------------------------------------- +dnl Enable -fsanitize= flags. +dnl ---------------------------------------------------------------------- + +m4_define(DEFAULT_SANITIZERS, [address,undefined]) +AC_ARG_ENABLE( + sanitizers, + AS_HELP_STRING( + [--enable-sanitizers@<:@=comma-separated list of sanitizers@:>@], + [Default=DEFAULT_SANITIZERS]), +[ +case "$enableval" in + no) sanitizers= ;; + yes) sanitizers="-fsanitize=DEFAULT_SANITIZERS" ;; + *) sanitizers="-fsanitize=$enableval" ;; +esac +CFLAGS="$CFLAGS $sanitizers" +LDFLAGS="$LDFLAGS $sanitizers" +]) + +dnl ---------------------------------------------------------------------- dnl Output the result. dnl ---------------------------------------------------------------------- diff --git a/erts/doc/src/epmd.xml b/erts/doc/src/epmd.xml index 963d35c3c8..25f819ab50 100644 --- a/erts/doc/src/epmd.xml +++ b/erts/doc/src/epmd.xml @@ -58,12 +58,12 @@ of the IP address and a port number. The name of the node is an atom on the form of <c><![CDATA[Name@Node]]></c>. The job of the <c><![CDATA[epmd]]></c> daemon is to keep track of which - node name listens on which address. Hence, <c><![CDATA[epmd]]></c> map + node name listens on which address. Hence, <c><![CDATA[epmd]]></c> maps symbolic node names to machine addresses.</p> <p>The TCP/IP <c>epmd</c> daemon actually only keeps track of - the <c>Name</c> (first) part of an Erlang node name, the <c>Host</c> - part (whatever is after the <c><![CDATA[@]]></c> is implicit in the + the <c>Name</c> (first) part of an Erlang node name. The <c>Host</c> + part (whatever is after the <c><![CDATA[@]]></c>) is implicit in the node name where the <c>epmd</c> daemon was actually contacted, as is the IP address where the Erlang node can be reached. Consistent and correct TCP naming services are @@ -77,12 +77,12 @@ <p>The daemon is started automatically by the <c>erl</c> command if the node is to be distributed and there is no running instance present. If automatically launched, - environment variables has to be used to alter the behavior of + environment variables have to be used to alter the behavior of the daemon. See the <seealso marker="#environment_variables">Environment variables</seealso> section below.</p> - <p>If the -daemon argument is not given, the + <p>If the -daemon argument is not given, <c><![CDATA[epmd]]></c> runs as a normal program with the controlling terminal of the shell in which it is started. Normally, it should run as a daemon.</p> @@ -122,7 +122,7 @@ comma-separated list of IP addresses and on the loopback address (which is implicitly added to the list if it has not been specified). This can also be set using the - <c><![CDATA[ERL_EPMD_ADDRESS]]></c> environment variable, see the + <c><![CDATA[ERL_EPMD_ADDRESS]]></c> environment variable. See the section <seealso marker="#environment_variables">Environment variables</seealso> below.</p> </item> @@ -130,7 +130,7 @@ <item> <p>Let this instance of epmd listen to another TCP port than default 4369. This can also be set using the - <c><![CDATA[ERL_EPMD_PORT]]></c> environment variable, see the + <c><![CDATA[ERL_EPMD_PORT]]></c> environment variable. See the section <seealso marker="#environment_variables">Environment variables</seealso> below</p> </item> @@ -153,7 +153,7 @@ <p>With relaxed command checking, the <c>epmd</c> daemon can be killed from the localhost with i.e. <c>epmd -kill</c> even if there are active nodes registered. Normally only daemons with an empty node database can be killed with the <c>epmd -kill</c> command.</p> </item> <item> - <p>The <c>epmd -stop</c> command (and the corresponding messages to epmd, as can be given using <c>erl_interface/ei</c>) is normally always ignored, as it opens up for strange situation when two nodes of the same name can be alive at the same time. A node unregisters itself by just closing the connection to epmd, why the <c>stop</c> command was only intended for use in debugging situations.</p> + <p>The <c>epmd -stop</c> command (and the corresponding messages to epmd, as can be given using <c>erl_interface/ei</c>) is normally always ignored, as it opens up the possibility of a strange situation where two nodes of the same name can be alive at the same time. A node unregisters itself by just closing the connection to epmd, which is why the <c>stop</c> command was only intended for use in debugging situations.</p> <p>With relaxed command checking enabled, you can forcibly unregister live nodes.</p> </item> </list> @@ -166,7 +166,7 @@ <section> <marker id="debug_flags"></marker> <title>DbgExtra options</title> - <p>These options are purely for debugging and testing epmd clients, they should not be used in normal operation.</p> + <p>These options are purely for debugging and testing epmd clients. They should not be used in normal operation.</p> <taglist> <tag><c><![CDATA[-packet_timeout Seconds]]></c></tag> @@ -177,9 +177,9 @@ </item> <tag><c><![CDATA[-delay_accept Seconds]]></c></tag> <item> - <p>To simulate a busy server you can insert a delay between epmd - gets notified about that a new connection is requested and - when the connections gets accepted.</p> + <p>To simulate a busy server you can insert a delay between when epmd + gets notified that a new connection is requested and + when the connection gets accepted.</p> </item> <tag><c><![CDATA[-delay_write Seconds]]></c></tag> <item> @@ -191,15 +191,15 @@ <section> <marker id="interactive_flags"></marker> <title>Interactive options</title> - <p>These options make <c>epmd</c> run as an interactive command displaying the results of sending queries ta an already running instance of <c>epmd</c>. The epmd contacted is always on the local node, but the <c>-port</c> option can be used to select between instances if several are running using different port on the host.</p> + <p>These options make <c>epmd</c> run as an interactive command, displaying the results of sending queries to an already running instance of <c>epmd</c>. The epmd contacted is always on the local node, but the <c>-port</c> option can be used to select between instances if several are running using different ports on the host.</p> <taglist> <tag><c><![CDATA[-port No]]></c></tag> <item> <p>Contacts the <c>epmd</c> listening on the given TCP port number (default 4369). This can also be set using the - <c><![CDATA[ERL_EPMD_PORT]]></c> environment variable, see the + <c><![CDATA[ERL_EPMD_PORT]]></c> environment variable. See the section <seealso marker="#environment_variables">Environment - variables</seealso> below</p> + variables</seealso> below.</p> </item> <tag><c><![CDATA[-names]]></c></tag> <item> @@ -210,7 +210,7 @@ <p>Kill the currently running <c>epmd</c>.</p> <p>Killing the running <c>epmd</c> is only allowed if <c>epmd - -names</c> show an empty database or + -names</c> shows an empty database or <c>-relaxed_command_check</c> was given when the running instance of <c>epmd</c> was started. Note that <c>-relaxed_command_check</c> is given when starting the @@ -228,7 +228,7 @@ <p>This command can only be used when contacting <c>epmd</c> instances started with the <c>-relaxed_command_check</c> flag. Note that relaxed command checking has to be enabled for - the <c>epmd</c> daemon contacted, When running epmd + the <c>epmd</c> daemon contacted. When running epmd interactively, <c>-relaxed_command_check</c> has no effect.</p> </item> @@ -259,7 +259,7 @@ <item> <p>If set prior to start, the <c>epmd</c> daemon will behave as if the <c>-relaxed_command_check</c> option was given at - start-up. If consequently setting this option before starting + start-up. Consequently, if this option is set before starting the Erlang virtual machine, the automatically started <c>epmd</c> will accept the <c>-kill</c> and <c>-stop</c> commands without restrictions.</p> @@ -287,8 +287,8 @@ remote hosts. However, only the query commands are answered (and acted upon) if the query comes from a remote host. It is always an error to try to register a nodename if the client is not a process - located on the same host as the <c>epmd</c> instance is running on, - why such requests are considered hostile and the connection is + located on the same host as the <c>epmd</c> instance is running on- + such requests are considered hostile and the connection is immediately closed.</p> <p>The queries accepted from remote nodes are:</p> @@ -307,3 +307,4 @@ </comref> + diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index f8f4d14436..5bde285311 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -851,6 +851,19 @@ </p> </item> <tag><marker id="+SDio"><c><![CDATA[+SDio IOSchedulers]]></c></marker></tag> + <item> + <p>Sets the number of dirty I/O scheduler threads to create when threading + support has been enabled. The valid range is 0-1024. By default, the number + of dirty I/O scheduler threads created is 10, same as the default number of + threads in the <seealso marker="#async_thread_pool_size">async thread pool + </seealso>. + </p> + <p>This option is ignored if the emulator doesn't have threading support + enabled. Currently, <em>this option is experimental</em> and is supported only + if the emulator was configured and built with support for dirty schedulers + enabled (it's disabled by default). + </p> + </item> <tag><c><![CDATA[+sFlag Value]]></c></tag> <item> <p>Scheduling specific flags.</p> diff --git a/erts/doc/src/erl_prim_loader.xml b/erts/doc/src/erl_prim_loader.xml index 6751deda4d..171f84decc 100644 --- a/erts/doc/src/erl_prim_loader.xml +++ b/erts/doc/src/erl_prim_loader.xml @@ -148,6 +148,22 @@ </desc> </func> <func> + <name name="read_link_info" arity="1"/> + <fsummary>Get information about a link or file</fsummary> + <desc> + <p>This function works like + <seealso marker="#read_file_info/1">read_file_info/1</seealso> + except that if <c><anno>Filename</anno></c> is a symbolic link, + information about the link will be returned in the <c>file_info</c> + record and the <c>type</c> field of the record will be set to + <c>symlink</c>.</p> + <p>If <c><anno>Filename</anno></c> is not a symbolic link, this function + returns exactly the same result as <c>read_file_info/1</c>. + On platforms that do not support symbolic links, this function + is always equivalent to <c>read_file_info/1</c>.</p> + </desc> + </func> + <func> <name name="set_path" arity="1"/> <fsummary>Set the path of the loader</fsummary> <desc> diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 9ad42374bf..84168397f6 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4968,7 +4968,7 @@ true</pre> <desc> <p>Note that the run-time is the sum of the run-time for all threads in the Erlang run-time system and may therefore be greater - than the wall-clock time.</p> + than the wall-clock time. The time is returned in milliseconds.</p> <pre> > <input>statistics(runtime).</input> {1690,1620} diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 68875fe56f..5c4bb3ed25 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -30,6 +30,42 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 6.1.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + OTP-11850 fixed filelib:wildcard/1 to work with broken + symlinks. This correction, however, introduced problems + since symlinks were no longer followed for functions like + filelib:ensure_dir/1, filelib:is_dir/1, + filelib:file_size/1, etc. This is now corrected.</p> + <p> + Own Id: OTP-12054 Aux Id: seq12660 </p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 6.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fixed ETHR_FORCE_INLINE which caused the build to break + on some platforms without adequate thread support + (VxWorks).</p> + <p> + Own Id: OTP-12010</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 6.1</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -904,6 +940,27 @@ Thanks to Matwey V. Kornilov</p> <p> Own Id: OTP-11829</p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 5.10.4.1</title> + + <section><title>Known Bugs and Problems</title> + <list> + <item> + <p> + When using gen_tcp:connect and the <c>fd</c> option with + <c>port</c> and/or <c>ip</c>, the <c>port</c> and + <c>ip</c> options were ignored. This has been fixed so + that if <c>port</c> and/or <c>ip</c> is specified + together with <c>fd</c> a bind is requested for that + <c>fd</c>. If <c>port</c> and/or <c>ip</c> is not + specified bind will not be called.</p> + <p> + Own Id: OTP-12061</p> </item> </list> </section> diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 45f0cc4312..a4e164bf51 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -3274,6 +3274,15 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags) ASSERT(!(flags & CFLG_FORCE_MSEG && flags & CFLG_FORCE_SYS_ALLOC)); + if (umem_sz > (ERTS_UINT_MAX - ERTS_UINT_MAX/100)) { + /* Do an overly conservative _overflow_ check here so we don't + * have to deal with it from here on. I guess we could be more accurate + * but I don't think the need to allocate over 99% of the address space + * will ever arise on any machine, neither 32 nor 64 bit. + */ + return NULL; + } + blk_sz = UMEMSZ2BLKSZ(allctr, umem_sz); #ifdef ERTS_SMP diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 4d5e55aaf5..6915765dab 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -3856,16 +3856,19 @@ static Eterm lcnt_build_lock_stats_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_s Uint tries = 0, colls = 0; unsigned long timer_s = 0, timer_ns = 0, timer_n = 0; unsigned int line = 0; + unsigned int i; Eterm af, uil; Eterm uit, uic; Eterm uits, uitns, uitn; Eterm tt, tstat, tloc, t; + Eterm thist, vhist[ERTS_LCNT_HISTOGRAM_SLOT_SIZE]; /* term: - * [{{file, line}, {tries, colls, {seconds, nanoseconds, n_blocks}}}] + * [{{file, line}, {tries, colls, {seconds, nanoseconds, n_blocks}}, + * { .. histogram .. }] */ - + tries = (Uint) ethr_atomic_read(&stats->tries); colls = (Uint) ethr_atomic_read(&stats->colls); @@ -3874,23 +3877,27 @@ static Eterm lcnt_build_lock_stats_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_s timer_ns = stats->timer.ns; timer_n = stats->timer_n; - af = erts_atom_put(stats->file, strlen(stats->file), ERTS_ATOM_ENC_LATIN1, 1); + af = erts_atom_put((byte *)stats->file, strlen(stats->file), ERTS_ATOM_ENC_LATIN1, 1); uil = erts_bld_uint( hpp, szp, line); tloc = erts_bld_tuple(hpp, szp, 2, af, uil); - uit = erts_bld_uint( hpp, szp, tries); - uic = erts_bld_uint( hpp, szp, colls); - + uit = erts_bld_uint( hpp, szp, tries); + uic = erts_bld_uint( hpp, szp, colls); + uits = erts_bld_uint( hpp, szp, timer_s); uitns = erts_bld_uint( hpp, szp, timer_ns); uitn = erts_bld_uint( hpp, szp, timer_n); tt = erts_bld_tuple(hpp, szp, 3, uits, uitns, uitn); tstat = erts_bld_tuple(hpp, szp, 3, uit, uic, tt); - - t = erts_bld_tuple(hpp, szp, 2, tloc, tstat); - - res = erts_bld_cons( hpp, szp, t, res); + + for(i = 0; i < ERTS_LCNT_HISTOGRAM_SLOT_SIZE; i++) { + vhist[i] = erts_bld_uint(hpp, szp, stats->hist.ns[i]); + } + thist = erts_bld_tuplev(hpp, szp, ERTS_LCNT_HISTOGRAM_SLOT_SIZE, vhist); + + t = erts_bld_tuple(hpp, szp, 3, tloc, tstat, thist); + res = erts_bld_cons( hpp, szp, t, res); return res; } @@ -3911,13 +3918,13 @@ static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_t *lock ASSERT(ltype); - type = erts_atom_put(ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1); - name = erts_atom_put(lock->name, strlen(lock->name), ERTS_ATOM_ENC_LATIN1, 1); + type = erts_atom_put((byte *)ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1); + name = erts_atom_put((byte *)lock->name, strlen(lock->name), ERTS_ATOM_ENC_LATIN1, 1); if (lock->flag & ERTS_LCNT_LT_ALLOC) { /* use allocator types names as id's for allocator locks */ ltype = (char *) ERTS_ALC_A2AD(signed_val(lock->id)); - id = erts_atom_put(ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1); + id = erts_atom_put((byte *)ltype, strlen(ltype), ERTS_ATOM_ENC_LATIN1, 1); } else if (lock->flag & ERTS_LCNT_LT_PROCLOCK) { /* use registered names as id's for process locks if available */ proc = erts_proc_lookup(lock->id); @@ -3928,16 +3935,15 @@ static Eterm lcnt_build_lock_term(Eterm **hpp, Uint *szp, erts_lcnt_lock_t *lock id = lock->id; } } else { - id = lock->id; + id = lock->id; } - + for (i = 0; i < lock->n_stats; i++) { stats = lcnt_build_lock_stats_term(hpp, szp, &(lock->stats[i]), stats); } - - t = erts_bld_tuple(hpp, szp, 4, name, id, type, stats); - - res = erts_bld_cons( hpp, szp, t, res); + + t = erts_bld_tuple(hpp, szp, 4, name, id, type, stats); + res = erts_bld_cons( hpp, szp, t, res); return res; } @@ -3957,12 +3963,12 @@ static Eterm lcnt_build_result_term(Eterm **hpp, Uint *szp, erts_lcnt_data_t *da dtns = erts_bld_uint( hpp, szp, data->duration.ns); tdt = erts_bld_tuple(hpp, szp, 2, dts, dtns); - adur = erts_atom_put(str_duration, strlen(str_duration), ERTS_ATOM_ENC_LATIN1, 1); + adur = erts_atom_put((byte *)str_duration, strlen(str_duration), ERTS_ATOM_ENC_LATIN1, 1); tdur = erts_bld_tuple(hpp, szp, 2, adur, tdt); /* lock tuple */ - aloc = erts_atom_put(str_locks, strlen(str_locks), ERTS_ATOM_ENC_LATIN1, 1); + aloc = erts_atom_put((byte *)str_locks, strlen(str_locks), ERTS_ATOM_ENC_LATIN1, 1); for (lock = data->current_locks->head; lock != NULL ; lock = lock->next ) { lloc = lcnt_build_lock_term(hpp, szp, lock, lloc); diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index 6c9f53ce87..06dfeb1260 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -236,6 +236,8 @@ erts_bin_drv_alloc_fnf(Uint size) { Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD; void *res; + if (bsize < size) /* overflow */ + return NULL; res = erts_alloc_fnf(ERTS_ALC_T_DRV_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); return (Binary *) res; @@ -246,6 +248,8 @@ erts_bin_drv_alloc(Uint size) { Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD; void *res; + if (bsize < size) /* overflow */ + erts_alloc_enomem(ERTS_ALC_T_DRV_BINARY, size); res = erts_alloc(ERTS_ALC_T_DRV_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); return (Binary *) res; @@ -257,6 +261,8 @@ erts_bin_nrml_alloc(Uint size) { Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD; void *res; + if (bsize < size) /* overflow */ + erts_alloc_enomem(ERTS_ALC_T_BINARY, size); res = erts_alloc(ERTS_ALC_T_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); return (Binary *) res; @@ -267,11 +273,12 @@ erts_bin_realloc_fnf(Binary *bp, Uint size) { Binary *nbp; Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD; + ErtsAlcType_t type = (bp->flags & BIN_FLAG_DRV) ? ERTS_ALC_T_DRV_BINARY + : ERTS_ALC_T_BINARY; ASSERT((bp->flags & BIN_FLAG_MAGIC) == 0); - if (bp->flags & BIN_FLAG_DRV) - nbp = erts_realloc_fnf(ERTS_ALC_T_DRV_BINARY, (void *) bp, bsize); - else - nbp = erts_realloc_fnf(ERTS_ALC_T_BINARY, (void *) bp, bsize); + if (bsize < size) /* overflow */ + return NULL; + nbp = erts_realloc_fnf(type, (void *) bp, bsize); ERTS_CHK_BIN_ALIGNMENT(nbp); return nbp; } @@ -281,17 +288,14 @@ erts_bin_realloc(Binary *bp, Uint size) { Binary *nbp; Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD; + ErtsAlcType_t type = (bp->flags & BIN_FLAG_DRV) ? ERTS_ALC_T_DRV_BINARY + : ERTS_ALC_T_BINARY; ASSERT((bp->flags & BIN_FLAG_MAGIC) == 0); - if (bp->flags & BIN_FLAG_DRV) - nbp = erts_realloc_fnf(ERTS_ALC_T_DRV_BINARY, (void *) bp, bsize); - else - nbp = erts_realloc_fnf(ERTS_ALC_T_BINARY, (void *) bp, bsize); + if (bsize < size) /* overflow */ + erts_realloc_enomem(type, bp, size); + nbp = erts_realloc_fnf(type, (void *) bp, bsize); if (!nbp) - erts_realloc_n_enomem(ERTS_ALC_T2N(bp->flags & BIN_FLAG_DRV - ? ERTS_ALC_T_DRV_BINARY - : ERTS_ALC_T_BINARY), - bp, - bsize); + erts_realloc_enomem(type, bp, bsize); ERTS_CHK_BIN_ALIGNMENT(nbp); return nbp; } @@ -312,6 +316,7 @@ erts_create_magic_binary(Uint size, void (*destructor)(Binary *)) { Uint bsize = ERTS_MAGIC_BIN_SIZE(size); Binary* bptr = erts_alloc_fnf(ERTS_ALC_T_BINARY, bsize); + ASSERT(bsize > size); if (!bptr) erts_alloc_n_enomem(ERTS_ALC_T2N(ERTS_ALC_T_BINARY), bsize); ERTS_CHK_BIN_ALIGNMENT(bptr); diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index c13eb87012..c665aa51a2 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -227,8 +227,7 @@ rw_op_str(Uint16 flags) case ERTS_LC_FLG_LO_READ: return " (r)"; case ERTS_LC_FLG_LO_WRITE: - erts_fprintf(stderr, "\nInternal error\n"); - lc_abort(); + ERTS_INTERNAL_ERROR("Only write flag present"); default: break; } @@ -311,8 +310,7 @@ static ERTS_INLINE void lc_free(void *p) static void *lc_core_alloc(void) { lc_unlock(); - erts_fprintf(stderr, "Lock checker out of memory!\n"); - lc_abort(); + ERTS_INTERNAL_ERROR("Lock checker out of memory!\n"); } #else @@ -325,8 +323,7 @@ static void *lc_core_alloc(void) fbs = (erts_lc_free_block_t *) malloc(sizeof(erts_lc_free_block_t) * ERTS_LC_FB_CHUNK_SIZE); if (!fbs) { - erts_fprintf(stderr, "Lock checker failed to allocate memory!\n"); - lc_abort(); + ERTS_INTERNAL_ERROR("Lock checker failed to allocate memory!"); } for (i = 1; i < ERTS_LC_FB_CHUNK_SIZE - 1; i++) { #ifdef DEBUG @@ -366,11 +363,11 @@ create_locked_locks(char *thread_name) { erts_lc_locked_locks_t *l_lcks = malloc(sizeof(erts_lc_locked_locks_t)); if (!l_lcks) - lc_abort(); + ERTS_INTERNAL_ERROR("Lock checker failed to allocate memory!"); l_lcks->thread_name = strdup(thread_name ? thread_name : "unknown"); if (!l_lcks->thread_name) - lc_abort(); + ERTS_INTERNAL_ERROR("Lock checker failed to allocate memory!"); l_lcks->emu_thread = 0; l_lcks->tid = erts_thr_self(); @@ -691,7 +688,7 @@ erts_lc_set_thread_name(char *thread_name) free((void *) l_lcks->thread_name); l_lcks->thread_name = strdup(thread_name ? thread_name : "unknown"); if (!l_lcks->thread_name) - lc_abort(); + ERTS_INTERNAL_ERROR("strdup failed"); } l_lcks->emu_thread = 1; } @@ -1330,7 +1327,7 @@ erts_lc_init(void) #endif /* #ifdef ERTS_LC_STATIC_ALLOC */ if (ethr_spinlock_init(&free_blocks_lock) != 0) - lc_abort(); + ERTS_INTERNAL_ERROR("spinlock_init failed"); erts_tsd_key_create(&locks_key,"erts_lock_check_key"); } diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c index 6f44bf097b..cf6996ea06 100644 --- a/erts/emulator/beam/erl_lock_count.c +++ b/erts/emulator/beam/erl_lock_count.c @@ -61,6 +61,25 @@ static ERTS_INLINE void lcnt_unlock(void) { ethr_mutex_unlock(&lcnt_data_lock); } +const int log2_tab64[64] = { + 63, 0, 58, 1, 59, 47, 53, 2, + 60, 39, 48, 27, 54, 33, 42, 3, + 61, 51, 37, 40, 49, 18, 28, 20, + 55, 30, 34, 11, 43, 14, 22, 4, + 62, 57, 46, 52, 38, 26, 32, 41, + 50, 36, 17, 19, 29, 10, 13, 21, + 56, 45, 25, 31, 35, 16, 9, 12, + 44, 24, 15, 8, 23, 7, 6, 5}; + +static ERTS_INLINE int lcnt_log2(Uint64 v) { + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v |= v >> 32; + return log2_tab64[((Uint64)((v - (v >> 1))*0x07EDD5E59A4E28C2)) >> 58]; +} static char* lcnt_lock_type(Uint16 flag) { switch(flag & ERTS_LCNT_LT_ALL) { @@ -81,19 +100,20 @@ static void lcnt_clear_stats(erts_lcnt_lock_stats_t *stats) { stats->timer_n = 0; stats->file = (char *)str_undefined; stats->line = 0; + sys_memzero(stats->hist.ns, sizeof(stats->hist.ns)); } static void lcnt_time(erts_lcnt_time_t *time) { -#ifdef HAVE_GETHRTIME +#if 0 || defined(HAVE_GETHRTIME) SysHrTime hr_time; hr_time = sys_gethrtime(); time->s = (unsigned long)(hr_time / 1000000000LL); time->ns = (unsigned long)(hr_time - 1000000000LL*time->s); -#else - SysTimeval tv; - sys_gettimeofday(&tv); - time->s = tv.tv_sec; - time->ns = tv.tv_usec*1000LL; +#else + SysTimeval tv; + sys_gettimeofday(&tv); + time->s = tv.tv_sec; + time->ns = tv.tv_usec*1000LL; #endif } @@ -111,28 +131,29 @@ static void lcnt_time_diff(erts_lcnt_time_t *d, erts_lcnt_time_t *t1, erts_lcnt_ dns += 1000000000LL; } + ASSERT(ds >= 0); + d->s = ds; d->ns = dns; } -/* difference d must be positive */ +/* difference d must be non-negative */ static void lcnt_time_add(erts_lcnt_time_t *t, erts_lcnt_time_t *d) { - unsigned long ngns = 0; - t->s += d->s; t->ns += d->ns; - ngns = t->ns / 1000000000LL; + t->s += t->ns / 1000000000LL; t->ns = t->ns % 1000000000LL; - - t->s += ngns; } static erts_lcnt_thread_data_t *lcnt_thread_data_alloc(void) { erts_lcnt_thread_data_t *eltd; eltd = (erts_lcnt_thread_data_t*)malloc(sizeof(erts_lcnt_thread_data_t)); + if (!eltd) { + ERTS_INTERNAL_ERROR("Lock counter failed to allocate memory!"); + } eltd->timer_set = 0; eltd->lock_in_conflict = 0; @@ -158,59 +179,64 @@ static char* lock_opt(Uint16 flag) { return "--"; } -static void print_lock_x(erts_lcnt_lock_t *lock, Uint16 flag, char *action, char *extra) { - erts_aint_t colls, tries, w_state, r_state; - erts_lcnt_lock_stats_t *stats = NULL; - +static void print_lock_x(erts_lcnt_lock_t *lock, Uint16 flag, char *action) { + erts_aint_t w_state, r_state; char *type; - int i; - + + if (strcmp(lock->name, "run_queue") != 0) return; type = lcnt_lock_type(lock->flag); r_state = ethr_atomic_read(&lock->r_state); w_state = ethr_atomic_read(&lock->w_state); - if (lock->flag & flag) { - erts_printf("%20s [%30s] [r/w state %4ld/%4ld] id %T %s\r\n", - action, - lock->name, - r_state, - w_state, - lock->id, - extra); + erts_fprintf(stderr,"%10s [%24s] [r/w state %4ld/%4ld] %2s id %T\r\n", + action, + lock->name, + r_state, + w_state, + type, + lock->id); } } - -static void print_lock(erts_lcnt_lock_t *lock, char *action) { - if (strcmp(lock->name, "proc_main") == 0) { - print_lock_x(lock, ERTS_LCNT_LT_ALL, action, ""); - } -} - #endif static erts_lcnt_lock_stats_t *lcnt_get_lock_stats(erts_lcnt_lock_t *lock, char *file, unsigned int line) { unsigned int i; erts_lcnt_lock_stats_t *stats = NULL; - - for (i = 0; i < lock->n_stats; i++) { - if ((lock->stats[i].file == file) && (lock->stats[i].line == line)) { - return &(lock->stats[i]); - } - } - if (lock->n_stats < ERTS_LCNT_MAX_LOCK_LOCATIONS) { - stats = &lock->stats[lock->n_stats]; - lock->n_stats++; - stats->file = file; - stats->line = line; - return stats; + if (erts_lcnt_rt_options & ERTS_LCNT_OPT_LOCATION) { + for (i = 0; i < lock->n_stats; i++) { + if ((lock->stats[i].file == file) && (lock->stats[i].line == line)) { + return &(lock->stats[i]); + } + } + if (lock->n_stats < ERTS_LCNT_MAX_LOCK_LOCATIONS) { + stats = &lock->stats[lock->n_stats]; + lock->n_stats++; + stats->file = file; + stats->line = line; + return stats; + } } return &lock->stats[0]; +} +static void lcnt_update_stats_hist(erts_lcnt_hist_t *hist, erts_lcnt_time_t *time_wait) { + int idx; + unsigned long r; + + if (time_wait->s > 0 || time_wait->ns > ERTS_LCNT_HISTOGRAM_MAX_NS) { + idx = ERTS_LCNT_HISTOGRAM_SLOT_SIZE - 1; + } else { + r = time_wait->ns >> ERTS_LCNT_HISTOGRAM_RSHIFT; + if (r) idx = lcnt_log2(r); + else idx = 0; + } + hist->ns[idx]++; } -static void lcnt_update_stats(erts_lcnt_lock_stats_t *stats, int lock_in_conflict, erts_lcnt_time_t *time_wait) { +static void lcnt_update_stats(erts_lcnt_lock_stats_t *stats, int lock_in_conflict, + erts_lcnt_time_t *time_wait) { ethr_atomic_inc(&stats->tries); @@ -220,6 +246,7 @@ static void lcnt_update_stats(erts_lcnt_lock_stats_t *stats, int lock_in_conflic if (time_wait) { lcnt_time_add(&(stats->timer), time_wait); stats->timer_n++; + lcnt_update_stats_hist(&stats->hist,time_wait); } } @@ -248,6 +275,9 @@ void erts_lcnt_init() { /* init lcnt structure */ erts_lcnt_data = (erts_lcnt_data_t*)malloc(sizeof(erts_lcnt_data_t)); + if (!erts_lcnt_data) { + ERTS_INTERNAL_ERROR("Lock counter failed to allocate memory!"); + } erts_lcnt_data->current_locks = erts_lcnt_list_init(); erts_lcnt_data->deleted_locks = erts_lcnt_list_init(); @@ -269,6 +299,9 @@ erts_lcnt_lock_list_t *erts_lcnt_list_init(void) { erts_lcnt_lock_list_t *list; list = (erts_lcnt_lock_list_t*)malloc(sizeof(erts_lcnt_lock_list_t)); + if (!list) { + ERTS_INTERNAL_ERROR("Lock counter failed to allocate memory!"); + } list->head = NULL; list->tail = NULL; list->n = 0; @@ -330,8 +363,9 @@ void erts_lcnt_list_delete(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock) /* interface to erl_threads.h */ /* only lock on init and destroy, all others should use atomics */ void erts_lcnt_init_lock(erts_lcnt_lock_t *lock, char *name, Uint16 flag ) { - erts_lcnt_init_lock_x(lock, name, flag, am_undefined); + erts_lcnt_init_lock_x(lock, name, flag, NIL); } + void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eterm id) { int i; if (!name) { @@ -360,7 +394,6 @@ void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eter } erts_lcnt_list_insert(erts_lcnt_data->current_locks, lock); - lcnt_unlock(); } @@ -375,6 +408,9 @@ void erts_lcnt_destroy_lock(erts_lcnt_lock_t *lock) { /* copy structure and insert the copy */ deleted_lock = (erts_lcnt_lock_t*)malloc(sizeof(erts_lcnt_lock_t)); + if (!deleted_lock) { + ERTS_INTERNAL_ERROR("Lock counter failed to allocate memory!"); + } memcpy(deleted_lock, lock, sizeof(erts_lcnt_lock_t)); deleted_lock->next = NULL; @@ -417,8 +453,9 @@ void erts_lcnt_lock_opt(erts_lcnt_lock_t *lock, Uint16 option) { if ((w_state > 0) || (r_state > 0)) { eltd->lock_in_conflict = 1; - if (eltd->timer_set == 0) + if (eltd->timer_set == 0) { lcnt_time(&eltd->timer); + } eltd->timer_set++; } else { eltd->lock_in_conflict = 0; @@ -433,7 +470,7 @@ void erts_lcnt_lock(erts_lcnt_lock_t *lock) { if (!ERTS_LCNT_LOCK_TYPE(lock)) return; w_state = ethr_atomic_read(&lock->w_state); - ethr_atomic_inc( &lock->w_state); + ethr_atomic_inc(&lock->w_state); eltd = lcnt_get_thread_data(); @@ -446,10 +483,10 @@ void erts_lcnt_lock(erts_lcnt_lock_t *lock) { * 'atomicly'. All other locks will block the thread if w_state > 0 * i.e. locked. */ - if (eltd->timer_set == 0) + if (eltd->timer_set == 0) { lcnt_time(&eltd->timer); + } eltd->timer_set++; - } else { eltd->lock_in_conflict = 0; } @@ -459,11 +496,10 @@ void erts_lcnt_lock(erts_lcnt_lock_t *lock) { void erts_lcnt_lock_unaquire(erts_lcnt_lock_t *lock) { /* should check if this thread was "waiting" */ - if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return; if (!ERTS_LCNT_LOCK_TYPE(lock)) return; - ethr_atomic_dec( &lock->w_state); + ethr_atomic_dec(&lock->w_state); } /* erts_lcnt_lock_post @@ -491,7 +527,7 @@ void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line if (!(lock->flag & (ERTS_LCNT_LT_RWMUTEX | ERTS_LCNT_LT_RWSPINLOCK))) { flowstate = ethr_atomic_read(&lock->flowstate); ASSERT(flowstate == 0); - ethr_atomic_inc( &lock->flowstate); + ethr_atomic_inc(&lock->flowstate); } #endif @@ -500,19 +536,12 @@ void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line ASSERT(eltd); /* if lock was in conflict, time it */ - - if (erts_lcnt_rt_options & ERTS_LCNT_OPT_LOCATION) { - stats = lcnt_get_lock_stats(lock, file, line); - } else { - stats = &lock->stats[0]; - } - + stats = lcnt_get_lock_stats(lock, file, line); if (eltd->timer_set) { lcnt_time(&timer); lcnt_time_diff(&time_wait, &timer, &(eltd->timer)); lcnt_update_stats(stats, eltd->lock_in_conflict, &time_wait); - eltd->timer_set--; ASSERT(eltd->timer_set >= 0); } else { @@ -541,11 +570,11 @@ void erts_lcnt_unlock(erts_lcnt_lock_t *lock) { /* flowstate */ flowstate = ethr_atomic_read(&lock->flowstate); ASSERT(flowstate == 1); - ethr_atomic_dec( &lock->flowstate); + ethr_atomic_dec(&lock->flowstate); /* write state */ w_state = ethr_atomic_read(&lock->w_state); - ASSERT(w_state > 0) + ASSERT(w_state > 0); #endif ethr_atomic_dec(&lock->w_state); } @@ -582,9 +611,7 @@ void erts_lcnt_trylock(erts_lcnt_lock_t *lock, int res) { ethr_atomic_inc( &lock->flowstate); #endif ethr_atomic_inc(&lock->w_state); - lcnt_update_stats(&(lock->stats[0]), 0, NULL); - } else { ethr_atomic_inc(&lock->stats[0].tries); ethr_atomic_inc(&lock->stats[0].colls); diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h index 75f7cd028b..ffbb93da1b 100644 --- a/erts/emulator/beam/erl_lock_count.h +++ b/erts/emulator/beam/erl_lock_count.h @@ -35,6 +35,10 @@ * | | | - collisions (including trylock busy) * | | | - timer (time spent in waiting for lock) * | | | - n_timer (collisions excluding trylock busy) + * | | | - histogram + * | | | | - # 0 = log2(lock wait_time ns) + * | | | | - ... + * | | | | - # n = log2(lock wait_time ns) * * Each instance of a lock is the unique lock, i.e. set and id in that set. * For each lock there is a set of statistics with where and what impact @@ -68,8 +72,17 @@ #include "ethread.h" +#define ERTS_LCNT_MAX_LOCK_LOCATIONS (10) -#define ERTS_LCNT_MAX_LOCK_LOCATIONS (10) +/* histogram */ +#define ERTS_LCNT_HISTOGRAM_MAX_NS (((unsigned long)1LL << 28) - 1) +#if 0 || defined(HAVE_GETHRTIME) +#define ERTS_LCNT_HISTOGRAM_SLOT_SIZE (30) +#define ERTS_LCNT_HISTOGRAM_RSHIFT (0) +#else +#define ERTS_LCNT_HISTOGRAM_SLOT_SIZE (20) +#define ERTS_LCNT_HISTOGRAM_RSHIFT (10) +#endif #define ERTS_LCNT_LT_SPINLOCK (((Uint16) 1) << 0) #define ERTS_LCNT_LT_RWSPINLOCK (((Uint16) 1) << 1) @@ -104,6 +117,10 @@ typedef struct { extern erts_lcnt_time_t timer_start; +typedef struct { + Uint32 ns[ERTS_LCNT_HISTOGRAM_SLOT_SIZE]; /* log2 array of nano seconds occurences */ +} erts_lcnt_hist_t; + typedef struct erts_lcnt_lock_stats_s { /* "tries" and "colls" needs to be atomic since * trylock busy does not aquire a lock and there @@ -118,6 +135,7 @@ typedef struct erts_lcnt_lock_stats_s { unsigned long timer_n; /* #times waited for lock */ erts_lcnt_time_t timer; /* total wait time for lock */ + erts_lcnt_hist_t hist; } erts_lcnt_lock_stats_t; /* rw locks uses both states, other locks only uses w_state */ diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index b73f9b7f92..1606ad119d 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -2211,6 +2211,9 @@ aux_work_timeout_early_init(int no_schedulers) p = (UWord) malloc((sizeof(ErtsAuxWorkTmo) + sizeof(erts_atomic32_t)*(no_schedulers+1)) + ERTS_CACHE_LINE_SIZE-1); + if (!p) { + ERTS_INTERNAL_ERROR("malloc failed to allocate memory!"); + } if (p & ERTS_CACHE_LINE_MASK) p = (p & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE; ASSERT((p & ERTS_CACHE_LINE_MASK) == 0); @@ -7818,6 +7821,9 @@ erts_start_schedulers(void) #ifdef ETHR_HAVE_THREAD_NAMES opts.name = malloc(80); + if (!opts.name) { + ERTS_INTERNAL_ERROR("malloc failed to allocate memory!"); + } #endif #ifdef ERTS_SMP diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index edf4a28784..d028737664 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -6129,7 +6129,7 @@ driver_pdl_create(ErlDrvPort dp) return NULL; pdl = erts_alloc(ERTS_ALC_T_PORT_DATA_LOCK, sizeof(struct erl_drv_port_data_lock)); - erts_mtx_init(&pdl->mtx, "port_data_lock"); + erts_mtx_init_x(&pdl->mtx, "port_data_lock", pp->common.id, 1); pdl_init_refc(pdl); erts_port_inc_refc(pp); pdl->prt = pp; diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 05f07e57b2..3d8dd9c6d0 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -274,6 +274,7 @@ __decl_noreturn void __noreturn erl_assert_error(const char* expr, const char *f typedef unsigned int Eterm; typedef unsigned int Uint; typedef int Sint; +#define ERTS_UINT_MAX UINT_MAX #define ERTS_SIZEOF_ETERM SIZEOF_INT #define ErtsStrToSint strtol #else @@ -347,6 +348,7 @@ typedef long long Sint; typedef Uint UWord; typedef Sint SWord; +#define ERTS_UINT_MAX ERTS_UWORD_MAX #endif /* HALFWORD_HEAP */ diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 72092ec7b0..55f9e68e78 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3948,6 +3948,9 @@ erts_save_emu_args(int argc, char **argv) size += sz+1; } ptr = (char *) malloc(size); + if (!ptr) { + ERTS_INTERNAL_ERROR("malloc failed to allocate memory!"); + } #ifdef DEBUG end_ptr = ptr + size; #endif diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 09bada457d..09d90f4984 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -4372,7 +4372,7 @@ static int erl_inet_close(inet_descriptor* desc) desc_close(desc); desc->state = INET_STATE_CLOSED; } else if (desc->prebound && (desc->s != INVALID_SOCKET)) { - sock_select(desc, FD_READ | FD_WRITE | FD_CLOSE, 0); + sock_select(desc, FD_READ | FD_WRITE | FD_CLOSE | ERL_DRV_USE_NO_CALLBACK, 0); desc->event_mask = 0; #ifdef __WIN32__ desc->forced_events = 0; @@ -4536,7 +4536,8 @@ static ErlDrvSSizeT inet_ctl_open(inet_descriptor* desc, int domain, int type, /* as inet_open but pass in an open socket (MUST BE OF RIGHT TYPE) */ static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, - SOCKET s, char** rbuf, ErlDrvSizeT rsize) + SOCKET s, Uint32 bound, + char** rbuf, ErlDrvSizeT rsize) { inet_address name; unsigned int sz = sizeof(name); @@ -4560,7 +4561,12 @@ static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, #ifdef __WIN32__ driver_select(desc->port, desc->event, ERL_DRV_READ, 1); #endif - desc->state = INET_STATE_BOUND; /* assume bound */ + + if (bound) + desc->state = INET_STATE_BOUND; + else + desc->state = INET_STATE_OPEN; + if (type == SOCK_STREAM) { /* check if connected */ sz = sizeof(name); if (!IS_SOCKET_ERROR(sock_peer(s, (struct sockaddr*) &name, &sz))) { @@ -9121,10 +9127,11 @@ static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData e, unsigned int cmd, break; } - case INET_REQ_FDOPEN: { /* pass in an open socket */ + case INET_REQ_FDOPEN: { /* pass in an open (and optionally bound) socket */ int domain; + int bound; DEBUGF(("tcp_inet_ctl(%ld): FDOPEN\r\n", (long)desc->inet.port)); - if (len != 6) return ctl_error(EINVAL, rbuf, rsize); + if (len != 6 && len != 10) return ctl_error(EINVAL, rbuf, rsize); switch(buf[0]) { case INET_AF_INET: domain = AF_INET; @@ -9142,8 +9149,13 @@ static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData e, unsigned int cmd, return ctl_error(EINVAL, rbuf, rsize); } if (buf[1] != INET_TYPE_STREAM) return ctl_error(EINVAL, rbuf, rsize); + + if (len == 6) bound = 1; + else bound = get_int32(buf+2+4); + return inet_ctl_fdopen(INETP(desc), domain, SOCK_STREAM, - (SOCKET) get_int32(buf+2), rbuf, rsize); + (SOCKET) get_int32(buf+2), + bound, rbuf, rsize); break; } @@ -11116,10 +11128,11 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, return replen; - case INET_REQ_FDOPEN: { /* pass in an open (and bound) socket */ + case INET_REQ_FDOPEN: { /* pass in an open (and optionally bound) socket */ SOCKET s; + int bound; DEBUGF(("packet inet_ctl(%ld): FDOPEN\r\n", (long)desc->port)); - if (len != 6) { + if (len != 6 && len != 10) { return ctl_error(EINVAL, rbuf, rsize); } switch (buf[0]) { @@ -11144,7 +11157,11 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, return ctl_error(EINVAL, rbuf, rsize); } s = (SOCKET)get_int32(buf+2); - replen = inet_ctl_fdopen(desc, af, type, s, rbuf, rsize); + + if (len == 6) bound = 1; + else bound = get_int32(buf+2+4); + + replen = inet_ctl_fdopen(desc, af, type, s, bound, rbuf, rsize); if ((*rbuf)[0] != INET_REP_ERROR) { if (desc->active) diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index c62bc0c454..344bde7c91 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -1062,10 +1062,9 @@ otp_6602(Config) when is_list(Config) -> %% Inet driver use port locking... {ok, S} = gen_udp:open(0), {ok, Fd} = inet:getfd(S), - {ok, Port} = inet:port(S), %% Steal fd (lock checker used to %% trigger here). - {ok, _S2} = gen_udp:open(Port,[{fd,Fd}]), + {ok, _S2} = gen_udp:open(0,[{fd,Fd}]), Parent ! Done end), ?line receive Done -> ok end, diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index 31d19902f5..72c054b588 100644 --- a/erts/include/internal/ethread.h +++ b/erts/include/internal/ethread.h @@ -31,6 +31,7 @@ #endif #include <stdlib.h> +#include "ethread_inline.h" #include "erl_errno.h" #if defined(DEBUG) @@ -51,31 +52,6 @@ # endif #endif -#if !defined(__GNUC__) -# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0 -#elif !defined(__GNUC_MINOR__) -# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#elif !defined(__GNUC_PATCHLEVEL__) -# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#else -# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ - (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) -#endif - -#undef ETHR_INLINE -#if defined(__GNUC__) -# define ETHR_INLINE __inline__ -# if ETHR_AT_LEAST_GCC_VSN__(3, 1, 1) -# define ETHR_FORCE_INLINE __inline__ __attribute__((__always_inline__)) -# else -# define ETHR_FORCE_INLINE __inline__ -# endif -#elif defined(__WIN32__) -# define ETHR_INLINE __forceinline -# define ETHR_FORCE_INLINE __forceinline -#endif #if defined(ETHR_DEBUG) || !defined(ETHR_INLINE) || ETHR_XCHK \ || (defined(__GNUC__) && defined(ERTS_MIXED_CYGWIN_VC)) # undef ETHR_INLINE diff --git a/erts/include/internal/ethread_inline.h b/erts/include/internal/ethread_inline.h new file mode 100644 index 0000000000..ffb756c84f --- /dev/null +++ b/erts/include/internal/ethread_inline.h @@ -0,0 +1,49 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2004-2014. 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% + */ + +#ifndef ETHREAD_INLINE_H__ +#define ETHREAD_INLINE_H__ + +#if !defined(__GNUC__) +# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0 +#elif !defined(__GNUC_MINOR__) +# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + ((__GNUC__ << 24) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#elif !defined(__GNUC_PATCHLEVEL__) +# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12)) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#else +# define ETHR_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ + (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) +#endif + +#undef ETHR_INLINE +#if defined(__GNUC__) +# define ETHR_INLINE __inline__ +# if ETHR_AT_LEAST_GCC_VSN__(3, 1, 1) +# define ETHR_FORCE_INLINE __inline__ __attribute__((__always_inline__)) +# else +# define ETHR_FORCE_INLINE __inline__ +# endif +#elif defined(__WIN32__) +# define ETHR_INLINE __forceinline +# define ETHR_FORCE_INLINE __forceinline +#endif + +#endif /* #ifndef ETHREAD_INLINE_H__ */ diff --git a/erts/lib_src/Makefile.in b/erts/lib_src/Makefile.in index cf1aef518a..b680c03b1d 100644 --- a/erts/lib_src/Makefile.in +++ b/erts/lib_src/Makefile.in @@ -465,6 +465,7 @@ RELEASE_LIBS=$(ERTS_LIBS) INTERNAL_RELEASE_INCLUDES= \ $(ERTS_INCL_INT)/README \ $(ERTS_INCL_INT)/ethread.h \ + $(ERTS_INCL_INT)/ethread_inline.h \ $(ERTS_INCL_INT)/ethr_mutex.h \ $(ERTS_INCL_INT)/ethr_optimized_fallbacks.h \ $(ERTS_INCL_INT)/ethr_atomics.h \ diff --git a/erts/lib_src/common/erl_misc_utils.c b/erts/lib_src/common/erl_misc_utils.c index 8bf7656bb0..d58a28b5cb 100644 --- a/erts/lib_src/common/erl_misc_utils.c +++ b/erts/lib_src/common/erl_misc_utils.c @@ -25,7 +25,7 @@ # include <windows.h> #endif -#include "ethread.h" +#include "ethread_inline.h" #include "erl_misc_utils.h" #if defined(__WIN32__) diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam Binary files differindex eec49f3983..5f2b619322 100644 --- a/erts/preloaded/ebin/erl_prim_loader.beam +++ b/erts/preloaded/ebin/erl_prim_loader.beam diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam Binary files differindex 93e70cd623..8420052533 100644 --- a/erts/preloaded/ebin/prim_inet.beam +++ b/erts/preloaded/ebin/prim_inet.beam diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl index 578913b633..466e0b0020 100644 --- a/erts/preloaded/src/erl_prim_loader.erl +++ b/erts/preloaded/src/erl_prim_loader.erl @@ -42,11 +42,11 @@ %% Public -export([start/3, set_path/1, get_path/0, get_file/1, get_files/2, - list_dir/1, read_file_info/1, get_cwd/0, get_cwd/1]). + list_dir/1, read_file_info/1, read_link_info/1, get_cwd/0, get_cwd/1]). %% Used by erl_boot_server -export([prim_init/0, prim_get_file/2, prim_list_dir/2, - prim_read_file_info/2, prim_get_cwd/2]). + prim_read_file_info/3, prim_get_cwd/2]). %% Used by escript and code -export([set_primary_archive/4, release_archives/0]). @@ -223,6 +223,12 @@ list_dir(Dir) -> read_file_info(File) -> check_file_result(read_file_info, File, request({read_file_info,File})). +-spec read_link_info(Filename) -> {'ok', FileInfo} | 'error' when + Filename :: string(), + FileInfo :: file:file_info(). +read_link_info(File) -> + check_file_result(read_link_info, File, request({read_link_info,File})). + -spec get_cwd() -> {'ok', string()} | 'error'. get_cwd() -> check_file_result(get_cwd, [], request({get_cwd,[]})). @@ -325,6 +331,9 @@ loop(State, Parent, Paths) -> {read_file_info,File} -> {Res,State1} = handle_read_file_info(State, File), {Res,State1,Paths}; + {read_link_info,File} -> + {Res,State1} = handle_read_link_info(State, File), + {Res,State1,Paths}; {get_cwd,[]} -> {Res,State1} = handle_get_cwd(State, []), {Res,State1,Paths}; @@ -387,10 +396,15 @@ handle_list_dir(State = #state{loader = inet}, Dir) -> ?SAFE2(inet_list_dir(State, Dir), State). handle_read_file_info(State = #state{loader = efile}, File) -> - ?SAFE2(efile_read_file_info(State, File), State); + ?SAFE2(efile_read_file_info(State, File, true), State); handle_read_file_info(State = #state{loader = inet}, File) -> ?SAFE2(inet_read_file_info(State, File), State). +handle_read_link_info(State = #state{loader = efile}, File) -> + ?SAFE2(efile_read_file_info(State, File, false), State); +handle_read_link_info(State = #state{loader = inet}, File) -> + ?SAFE2(inet_read_link_info(State, File), State). + handle_get_cwd(State = #state{loader = efile}, Drive) -> ?SAFE2(efile_get_cwd(State, Drive), State); handle_get_cwd(State = #state{loader = inet}, Drive) -> @@ -514,8 +528,8 @@ efile_list_dir(#state{prim_state = PS} = State, Dir) -> {Res, PS2} = prim_list_dir(PS, Dir), {Res, State#state{prim_state = PS2}}. -efile_read_file_info(#state{prim_state = PS} = State, File) -> - {Res, PS2} = prim_read_file_info(PS, File), +efile_read_file_info(#state{prim_state = PS} = State, File, FollowLinks) -> + {Res, PS2} = prim_read_file_info(PS, File, FollowLinks), {Res, State#state{prim_state = PS2}}. efile_get_cwd(#state{prim_state = PS} = State, Drive) -> @@ -718,6 +732,10 @@ inet_list_dir(State, Dir) -> inet_read_file_info(State, File) -> inet_send_and_rcv({read_file_info,File}, read_file_info, State). +%% -> {{ok,Info},State} | {{error,Reason},State} +inet_read_link_info(State, File) -> + inet_send_and_rcv({read_link_info,File}, read_link_info, State). + %% -> {{ok,Cwd},State} | {{error,Reason},State} inet_get_cwd(State, []) -> inet_send_and_rcv(get_cwd, get_cwd, State); @@ -951,16 +969,18 @@ prim_list_dir(PS, Dir) -> debug(PS, {return, Res2}), {Res2, PS3}. --spec prim_read_file_info(prim_state(), file:filename()) -> +-spec prim_read_file_info(prim_state(), file:filename(), boolean()) -> {{'ok', #file_info{}}, prim_state()} | {{'error', term()}, prim_state()}. -prim_read_file_info(PS, File) -> +prim_read_file_info(PS, File, FollowLinks) -> debug(PS, {read_file_info, File}), {Res2, PS2} = case name_split(PS#prim_state.primary_archive, File) of {file, PrimFile} -> - Res = prim_file:read_file_info(PrimFile), - {Res, PS}; + case FollowLinks of + true -> {prim_file:read_file_info(PrimFile), PS}; + false -> {prim_file:read_link_info(PrimFile), PS} + end; {archive, ArchiveFile, []} -> %% Fake top directory debug(PS, {archive_read_file_info, ArchiveFile}), diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl index 143c718130..79ff013c77 100644 --- a/erts/preloaded/src/prim_inet.erl +++ b/erts/preloaded/src/prim_inet.erl @@ -25,7 +25,7 @@ %% Primitive inet_drv interface --export([open/3, open/4, fdopen/4, close/1]). +-export([open/3, open/4, fdopen/4, fdopen/5, close/1]). -export([bind/3, listen/1, listen/2, peeloff/2]). -export([connect/3, connect/4, async_connect/4]). -export([accept/1, accept/2, async_accept/2]). @@ -70,7 +70,12 @@ open(Protocol, Family, Type, Opts) -> open(Protocol, Family, Type, Opts, ?INET_REQ_OPEN, []). fdopen(Protocol, Family, Type, Fd) when is_integer(Fd) -> - open(Protocol, Family, Type, [], ?INET_REQ_FDOPEN, ?int32(Fd)). + fdopen(Protocol, Family, Type, Fd, true). + +fdopen(Protocol, Family, Type, Fd, Bound) + when is_integer(Fd), Bound == true orelse Bound == false -> + open(Protocol, Family, Type, [], ?INET_REQ_FDOPEN, + [?int32(Fd), enc_value_2(bool, Bound)]). open(Protocol, Family, Type, Opts, Req, Data) -> Drv = protocol2drv(Protocol), diff --git a/erts/vsn.mk b/erts/vsn.mk index 2e773079f3..0db4370ea8 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -17,7 +17,7 @@ # %CopyrightEnd% # -VSN = 6.1 +VSN = 6.1.2 # Port number 4365 in 4.2 # Port number 4366 in 4.3 |