diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/aclocal.m4 | 51 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_async.c | 13 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_drv_thread.c | 7 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 31 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_threads.h | 11 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_trace.c | 5 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 2 | ||||
| -rw-r--r-- | erts/include/internal/ethread.h | 13 | ||||
| -rw-r--r-- | erts/lib_src/pthread/ethread.c | 35 | ||||
| -rw-r--r-- | erts/lib_src/win/ethread.c | 13 |
10 files changed, 129 insertions, 52 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index d78025b0be..fc8c587d6f 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -1349,7 +1349,56 @@ case "$THR_LIB_NAME" in AC_MSG_RESULT([$linux_futex]) test $linux_futex = yes && AC_DEFINE(ETHR_HAVE_LINUX_FUTEX, 1, [Define if you have a linux futex implementation.]) - fi + pthread_setname=no + AC_MSG_CHECKING([for pthread_setname_np]) + old_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -Werror" + AC_TRY_LINK([#define __USE_GNU + #include <pthread.h>], + [pthread_setname_np(pthread_self(), "name");], + pthread_setname=linux) + AC_TRY_LINK([#define __USE_GNU + #include <pthread.h>], + [pthread_set_name_np(pthread_self(), "name");], + pthread_setname=bsd) + AC_TRY_LINK([#define _DARWIN_C_SOURCE + #include <pthread.h>], + [pthread_setname_np("name");], + pthread_setname=darwin) + AC_MSG_RESULT([$pthread_setname]) + case $pthread_setname in + linux) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_2, 1, + [Define if you have linux style pthread_setname_np]);; + bsd) AC_DEFINE(ETHR_HAVE_PTHREAD_SET_NAME_NP_2, 1, + [Define if you have bsd style pthread_set_name_np]);; + darwin) AC_DEFINE(ETHR_HAVE_PTHREAD_SETNAME_NP_1, 1, + [Define if you have darwin style pthread_setname_np]);; + *) ;; + esac + + pthread_getname=no + AC_MSG_CHECKING([for pthread_getname_np]) + AC_TRY_LINK([#define __USE_GNU + #define _DARWIN_C_SOURCE + #include <pthread.h>], + [char buff[256]; pthread_getname_np(pthread_self(), buff, 256);], + pthread_getname=normal) + AC_TRY_LINK([#define __USE_GNU + #define _DARWIN_C_SOURCE + #include <pthread.h>], + [char buff[256]; pthread_getname_np(pthread_self(), buff);], + pthread_getname=ibm) + AC_MSG_RESULT([$pthread_getname]) + case $pthread_getname in + linux) AC_DEFINE(ETHR_HAVE_PTHREAD_GETNAME_NP_3, 1, + [Define if you have linux style pthread_getname_np]);; + ibm) AC_DEFINE(ETHR_HAVE_PTHREAD_GETNAME_NP_2, 1, + [Define if you have ibm style pthread_getname_np]);; + *) ;; + esac + CFLAGS=$old_CFLAGS + + fi ## test "x$THR_LIB_NAME" = "xpthread" AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index decae6b2ca..bc06d41720 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -176,7 +176,7 @@ erts_init_async(void) ErtsThrQInit_t qinit = ERTS_THR_Q_INIT_DEFAULT; #endif erts_thr_opts_t thr_opts = ERTS_THR_OPTS_DEFAULT_INITER; - char *ptr; + char *ptr, thr_name[16]; size_t tot_size = 0; int i; @@ -227,23 +227,16 @@ 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 + thr_opts.name = thr_name; 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_snprintf(thr_opts.name, 16, "async_%d", i+1); 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_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c index 147249f751..31b05d22af 100644 --- a/erts/emulator/beam/erl_drv_thread.c +++ b/erts/emulator/beam/erl_drv_thread.c @@ -601,17 +601,14 @@ erl_drv_thread_create(char *name, #ifdef USE_THREADS int res; struct ErlDrvTid_ *dtid; - ethr_thr_opts ethr_opts; + ethr_thr_opts ethr_opts = ETHR_THR_OPTS_DEFAULT_INITER; ethr_thr_opts *use_opts; - ethr_thr_opts def_ethr_opts = ETHR_THR_OPTS_DEFAULT_INITER; if (!opts) use_opts = NULL; else { - sys_memcpy((void *) ðr_opts, - (void *) &def_ethr_opts, - sizeof(ethr_thr_opts)); ethr_opts.suggested_stack_size = opts->suggested_stack_size; + ethr_opts.name = name; use_opts = ðr_opts; } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index b0e0cf13f8..31dda21b47 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -7883,23 +7883,17 @@ erts_start_schedulers(void) Uint actual; Uint wanted = erts_no_schedulers; Uint wanted_no_schedulers = erts_no_schedulers; + char name[16]; ethr_thr_opts opts = ETHR_THR_OPTS_DEFAULT_INITER; opts.detached = 1; -#ifdef ETHR_HAVE_THREAD_NAMES - opts.name = malloc(80); - if (!opts.name) { - ERTS_INTERNAL_ERROR("malloc failed to allocate memory!"); - } -#endif + opts.name = name; #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_snprintf(opts.name, 16, "runq_supervisor"); 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"); @@ -7926,9 +7920,7 @@ erts_start_schedulers(void) ASSERT(actual == esdp->no - 1); -#ifdef ETHR_HAVE_THREAD_NAMES - sprintf(opts.name, "scheduler_%d", actual + 1); -#endif + erts_snprintf(opts.name, 16, "%lu_scheduler", actual + 1); #ifdef __OSE__ /* This should be done in the bind strategy */ @@ -7950,18 +7942,14 @@ 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 + erts_snprintf(opts.name, 16, "%d_dirty_cpu_scheduler", ix + 1); 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 + erts_snprintf(opts.name, 16, "%d_dirty_io_scheduler", ix + 1); 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); @@ -7972,9 +7960,7 @@ erts_start_schedulers(void) ERTS_THR_MEMORY_BARRIER; -#ifdef ETHR_HAVE_THREAD_NAMES - sprintf(opts.name, "aux"); -#endif + erts_snprintf(opts.name, 16, "aux"); #ifdef __OSE__ opts.coreNo = 0; @@ -8000,9 +7986,6 @@ erts_start_schedulers(void) erts_send_error_to_logger_nogl(dsbufp); } -#ifdef ETHR_HAVE_THREAD_NAMES - free(opts.name); -#endif } #endif /* ERTS_SMP */ diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h index 80026104db..1ab5418741 100644 --- a/erts/emulator/beam/erl_threads.h +++ b/erts/emulator/beam/erl_threads.h @@ -463,6 +463,7 @@ ERTS_GLB_INLINE void erts_thr_detach(erts_tid_t tid); 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_thr_getname(erts_tid_t tid, char *buf, size_t len); 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, int enable_lcnt); @@ -1548,6 +1549,16 @@ erts_thr_self(void) #endif } +ERTS_GLB_INLINE int +erts_thr_getname(erts_tid_t tid, char *buf, size_t len) +{ +#ifdef USE_THREADS + return ethr_getname(tid, buf, len); +#else + return -1; +#endif +} + ERTS_GLB_INLINE int erts_equal_tids(erts_tid_t x, erts_tid_t y) diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index ea5c850a30..15648d6056 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -3492,16 +3492,13 @@ init_sys_msg_dispatcher(void) thr_opts.coreNo = 0; #endif thr_opts.detached = 1; + thr_opts.name = "sys_msg_dispatcher"; 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/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 5de0c281c4..3320d3e314 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -1327,6 +1327,7 @@ static int spawn_init() thr_opts.detached = 0; thr_opts.suggested_stack_size = 0; /* Smallest possible */ + thr_opts.name = "child_waiter"; #endif sys_sigset(SIGPIPE, SIG_IGN); /* Ignore - we'll handle the write failure */ @@ -3230,6 +3231,7 @@ init_smp_sig_notify(void) { erts_smp_thr_opts_t thr_opts = ERTS_SMP_THR_OPTS_DEFAULT_INITER; thr_opts.detached = 1; + thr_opts.name = "sys_sig_dispatcher"; if (pipe(sig_notify_fds) < 0) { erl_exit(ERTS_ABORT_EXIT, diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index ad5d05704c..0f466dbb00 100644 --- a/erts/include/internal/ethread.h +++ b/erts/include/internal/ethread.h @@ -214,8 +214,6 @@ typedef OSPPDKEY ethr_tsd_key; /* 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 @@ -501,21 +499,18 @@ typedef struct { typedef struct { int detached; /* boolean (default false) */ int suggested_stack_size; /* kilo words (default sys dependent) */ + char *name; /* max 14 char long (default no-name) */ #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} +#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1, NULL, 0} #else -#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1} +#define ETHR_THR_OPTS_DEFAULT_INITER {0, -1, NULL} #endif - #if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_AUX_IMPL__) # define ETHR_NEED_SPINLOCK_PROTOTYPES__ # define ETHR_NEED_RWSPINLOCK_PROTOTYPES__ @@ -529,6 +524,8 @@ int ethr_thr_join(ethr_tid, void **); int ethr_thr_detach(ethr_tid); void ethr_thr_exit(void *); ethr_tid ethr_self(void); +int ethr_getname(ethr_tid, char *, size_t); +void ethr_setname(char *); int ethr_equal_tids(ethr_tid, ethr_tid); int ethr_tsd_key_create(ethr_tsd_key *,char *); diff --git a/erts/lib_src/pthread/ethread.c b/erts/lib_src/pthread/ethread.c index 79784c5b84..340d085428 100644 --- a/erts/lib_src/pthread/ethread.c +++ b/erts/lib_src/pthread/ethread.c @@ -42,6 +42,7 @@ #include <sys/types.h> #include <unistd.h> #include <signal.h> +#include <string.h> #include <limits.h> @@ -77,6 +78,8 @@ typedef struct { void *(*thr_func)(void *); void *arg; void *prep_func_res; + char *name; + char name_buff[16]; } ethr_thr_wrap_data__; static void *thr_wrapper(void *vtwd) @@ -98,6 +101,8 @@ static void *thr_wrapper(void *vtwd) tsep = twd->tse; /* We aren't allowed to follow twd after result has been set! */ + if (twd->name) + ethr_setname(twd->name); ethr_atomic32_set(&twd->result, result); @@ -315,6 +320,12 @@ ethr_thr_create(ethr_tid *tid, void * (*func)(void *), void *arg, twd.thr_func = func; twd.arg = arg; + if (opts && opts->name) { + snprintf(twd.name_buff, 16, "%s", opts->name); + twd.name = twd.name_buff; + } else + twd.name = NULL; + res = pthread_attr_init(&attr); if (res != 0) return res; @@ -445,6 +456,30 @@ ethr_self(void) } int +ethr_getname(ethr_tid tid, char *buf, size_t len) +{ +#if defined(ETHR_HAVE_PTHREAD_GETNAME_NP_3) + return pthread_getname_np((pthread_t) tid, buf, len); +#elif defined(ETHR_HAVE_PTHREAD_GETNAME_NP_2) + return pthread_getname_np((pthread_t) tid, buf); +#else + return ENOSYS; +#endif +} + +void +ethr_setname(char *name) +{ +#if defined(ETHR_HAVE_PTHREAD_SETNAME_NP_2) + pthread_setname_np(ethr_self(), name); +#elif defined(ETHR_HAVE_PTHREAD_SET_NAME_NP_2) + pthread_set_name_np(ethr_self(), name); +#elif defined(ETHR_HAVE_PTHREAD_SETNAME_NP_1) + pthread_setname_np(name); +#endif +} + +int ethr_equal_tids(ethr_tid tid1, ethr_tid tid2) { return pthread_equal((pthread_t) tid1, (pthread_t) tid2); diff --git a/erts/lib_src/win/ethread.c b/erts/lib_src/win/ethread.c index 14d0b6deff..fe5d4a327f 100644 --- a/erts/lib_src/win/ethread.c +++ b/erts/lib_src/win/ethread.c @@ -508,6 +508,19 @@ ethr_self(void) return *tid; } +/* getname and setname are not available on windows */ +int +ethr_getname(ethr_tid tid, char *buf, size_t len) +{ + return ENOSYS; +} + +void +ethr_setname(char *name) +{ + return; +} + int ethr_equal_tids(ethr_tid tid1, ethr_tid tid2) { |