14#include "kmp_affinity.h"
21#include "kmp_wait_release.h"
22#include "kmp_wrapper_getpid.h"
24#if !KMP_OS_DRAGONFLY && !KMP_OS_FREEBSD && !KMP_OS_NETBSD && !KMP_OS_OPENBSD
31#include <sys/resource.h>
33#include <sys/syscall.h>
40#include <sys/sysinfo.h>
56#include <sys/sysctl.h>
57#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD
59#include <sys/sysctl.h>
61#include <pthread_np.h>
62#elif KMP_OS_NETBSD || KMP_OS_OPENBSD
64#include <sys/sysctl.h>
66#include <sys/loadavg.h>
74 struct timespec start;
77#ifndef TIMEVAL_TO_TIMESPEC
79#define TIMEVAL_TO_TIMESPEC(tv, ts) \
81 (ts)->tv_sec = (tv)->tv_sec; \
82 (ts)->tv_nsec = (tv)->tv_usec * 1000; \
87#define TS2NS(timespec) \
88 (((timespec).tv_sec * (long int)1e9) + (timespec).tv_nsec)
90static struct kmp_sys_timer __kmp_sys_timer_data;
93typedef void (*sig_func_t)(int);
94STATIC_EFI2_WORKAROUND
struct sigaction __kmp_sighldrs[NSIG];
95static sigset_t __kmp_sigset;
98static int __kmp_init_runtime = FALSE;
100static int __kmp_fork_count = 0;
102static pthread_condattr_t __kmp_suspend_cond_attr;
103static pthread_mutexattr_t __kmp_suspend_mutex_attr;
105static kmp_cond_align_t __kmp_wait_cv;
106static kmp_mutex_align_t __kmp_wait_mx;
108kmp_uint64 __kmp_ticks_per_msec = 1000000;
109kmp_uint64 __kmp_ticks_per_usec = 1000;
112static void __kmp_print_cond(
char *buffer, kmp_cond_align_t *cond) {
113 KMP_SNPRINTF(buffer, 128,
"(cond (lock (%ld, %d)), (descr (%p)))",
114 cond->c_cond.__c_lock.__status, cond->c_cond.__c_lock.__spinlock,
115 cond->c_cond.__c_waiting);
119#if ((KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_AIX) && KMP_AFFINITY_SUPPORTED)
123void __kmp_affinity_bind_thread(
int which) {
124 KMP_ASSERT2(KMP_AFFINITY_CAPABLE(),
125 "Illegal set affinity operation when not capable");
127 kmp_affin_mask_t *mask;
128 KMP_CPU_ALLOC_ON_STACK(mask);
130 KMP_CPU_SET(which, mask);
131 __kmp_set_system_affinity(mask, TRUE);
132 KMP_CPU_FREE_FROM_STACK(mask);
136void __kmp_affinity_determine_capable(
const char *env_var) {
139 size_t mask_size = __kmp_xproc / CHAR_BIT;
141 if (__kmp_xproc % CHAR_BIT)
145 if (mask_size %
sizeof(__kmp_affin_mask_size))
146 mask_size +=
sizeof(__kmp_affin_mask_size) -
147 mask_size %
sizeof(__kmp_affin_mask_size);
148 KMP_AFFINITY_ENABLE(mask_size);
150 (
"__kmp_affinity_determine_capable: "
151 "AIX OS affinity interface bindprocessor functional (mask size = "
152 "%" KMP_SIZE_T_SPEC
").\n",
153 __kmp_affin_mask_size));
161void __kmp_affinity_determine_capable(
const char *env_var) {
165#define KMP_CPU_SET_SIZE_LIMIT (1024 * 1024)
166#define KMP_CPU_SET_TRY_SIZE CACHE_LINE
168#define KMP_CPU_SET_SIZE_LIMIT (sizeof(cpuset_t))
171 int verbose = __kmp_affinity.flags.verbose;
172 int warnings = __kmp_affinity.flags.warnings;
173 enum affinity_type type = __kmp_affinity.type;
178 buf = (
unsigned char *)KMP_INTERNAL_MALLOC(KMP_CPU_SET_SIZE_LIMIT);
182 gCode = syscall(__NR_sched_getaffinity, 0, KMP_CPU_SET_TRY_SIZE, buf);
183 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
184 "initial getaffinity call returned %ld errno = %d\n",
187 if (gCode < 0 && errno != EINVAL) {
190 (warnings && (type != affinity_none) && (type != affinity_default) &&
191 (type != affinity_disabled))) {
193 kmp_msg_t err_code = KMP_ERR(error);
194 __kmp_msg(kmp_ms_warning, KMP_MSG(GetAffSysCallNotSupported, env_var),
195 err_code, __kmp_msg_null);
196 if (__kmp_generate_warnings == kmp_warnings_off) {
197 __kmp_str_free(&err_code.str);
200 KMP_AFFINITY_DISABLE();
201 KMP_INTERNAL_FREE(buf);
203 }
else if (gCode > 0) {
205 KMP_AFFINITY_ENABLE(gCode);
206 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
207 "affinity supported (mask size %d)\n",
208 (
int)__kmp_affin_mask_size));
209 KMP_INTERNAL_FREE(buf);
215 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
216 "searching for proper set size\n"));
218 for (size = 1; size <= KMP_CPU_SET_SIZE_LIMIT; size *= 2) {
219 gCode = syscall(__NR_sched_getaffinity, 0, size, buf);
220 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
221 "getaffinity for mask size %ld returned %ld errno = %d\n",
222 size, gCode, errno));
225 if (errno == ENOSYS) {
227 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
228 "inconsistent OS call behavior: errno == ENOSYS for mask "
232 (warnings && (type != affinity_none) &&
233 (type != affinity_default) && (type != affinity_disabled))) {
235 kmp_msg_t err_code = KMP_ERR(error);
236 __kmp_msg(kmp_ms_warning, KMP_MSG(GetAffSysCallNotSupported, env_var),
237 err_code, __kmp_msg_null);
238 if (__kmp_generate_warnings == kmp_warnings_off) {
239 __kmp_str_free(&err_code.str);
242 KMP_AFFINITY_DISABLE();
243 KMP_INTERNAL_FREE(buf);
249 KMP_AFFINITY_ENABLE(gCode);
250 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
251 "affinity supported (mask size %d)\n",
252 (
int)__kmp_affin_mask_size));
253 KMP_INTERNAL_FREE(buf);
259 buf = (
unsigned char *)KMP_INTERNAL_MALLOC(KMP_CPU_SET_SIZE_LIMIT);
260 gCode = pthread_getaffinity_np(pthread_self(), KMP_CPU_SET_SIZE_LIMIT,
261 reinterpret_cast<cpuset_t *
>(buf));
262 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
263 "initial getaffinity call returned %d errno = %d\n",
266 KMP_AFFINITY_ENABLE(KMP_CPU_SET_SIZE_LIMIT);
267 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
268 "affinity supported (mask size %d)\n",
269 (
int)__kmp_affin_mask_size));
270 KMP_INTERNAL_FREE(buf);
274 KMP_INTERNAL_FREE(buf);
277 KMP_AFFINITY_DISABLE();
278 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
279 "cannot determine mask size - affinity not supported\n"));
280 if (verbose || (warnings && (type != affinity_none) &&
281 (type != affinity_default) && (type != affinity_disabled))) {
282 KMP_WARNING(AffCantGetMaskSize, env_var);
291int __kmp_futex_determine_capable() {
293 long rc = syscall(__NR_futex, &loc, FUTEX_WAKE, 1, NULL, NULL, 0);
294 int retval = (rc == 0) || (errno != ENOSYS);
297 (
"__kmp_futex_determine_capable: rc = %d errno = %d\n", rc, errno));
298 KA_TRACE(10, (
"__kmp_futex_determine_capable: futex syscall%s supported\n",
299 retval ?
"" :
" not"));
306#if (KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_ARCH_WASM) && (!KMP_ASM_INTRINS)
310kmp_int8 __kmp_test_then_or8(
volatile kmp_int8 *p, kmp_int8 d) {
311 kmp_int8 old_value, new_value;
313 old_value = TCR_1(*p);
314 new_value = old_value | d;
316 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
318 old_value = TCR_1(*p);
319 new_value = old_value | d;
324kmp_int8 __kmp_test_then_and8(
volatile kmp_int8 *p, kmp_int8 d) {
325 kmp_int8 old_value, new_value;
327 old_value = TCR_1(*p);
328 new_value = old_value & d;
330 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
332 old_value = TCR_1(*p);
333 new_value = old_value & d;
338kmp_uint32 __kmp_test_then_or32(
volatile kmp_uint32 *p, kmp_uint32 d) {
339 kmp_uint32 old_value, new_value;
341 old_value = TCR_4(*p);
342 new_value = old_value | d;
344 while (!KMP_COMPARE_AND_STORE_REL32(p, old_value, new_value)) {
346 old_value = TCR_4(*p);
347 new_value = old_value | d;
352kmp_uint32 __kmp_test_then_and32(
volatile kmp_uint32 *p, kmp_uint32 d) {
353 kmp_uint32 old_value, new_value;
355 old_value = TCR_4(*p);
356 new_value = old_value & d;
358 while (!KMP_COMPARE_AND_STORE_REL32(p, old_value, new_value)) {
360 old_value = TCR_4(*p);
361 new_value = old_value & d;
366#if KMP_ARCH_X86 || KMP_ARCH_WASM
367kmp_int8 __kmp_test_then_add8(
volatile kmp_int8 *p, kmp_int8 d) {
368 kmp_int8 old_value, new_value;
370 old_value = TCR_1(*p);
371 new_value = old_value + d;
373 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
375 old_value = TCR_1(*p);
376 new_value = old_value + d;
381kmp_int64 __kmp_test_then_add64(
volatile kmp_int64 *p, kmp_int64 d) {
382 kmp_int64 old_value, new_value;
384 old_value = TCR_8(*p);
385 new_value = old_value + d;
387 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
389 old_value = TCR_8(*p);
390 new_value = old_value + d;
396kmp_uint64 __kmp_test_then_or64(
volatile kmp_uint64 *p, kmp_uint64 d) {
397 kmp_uint64 old_value, new_value;
399 old_value = TCR_8(*p);
400 new_value = old_value | d;
401 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
403 old_value = TCR_8(*p);
404 new_value = old_value | d;
409kmp_uint64 __kmp_test_then_and64(
volatile kmp_uint64 *p, kmp_uint64 d) {
410 kmp_uint64 old_value, new_value;
412 old_value = TCR_8(*p);
413 new_value = old_value & d;
414 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
416 old_value = TCR_8(*p);
417 new_value = old_value & d;
424void __kmp_terminate_thread(
int gtid) {
426 kmp_info_t *th = __kmp_threads[gtid];
431#ifdef KMP_CANCEL_THREADS
432 KA_TRACE(10, (
"__kmp_terminate_thread: kill (%d)\n", gtid));
433 status = pthread_cancel(th->th.th_info.ds.ds_thread);
434 if (status != 0 && status != ESRCH) {
435 __kmp_fatal(KMP_MSG(CantTerminateWorkerThread), KMP_ERR(status),
446static kmp_int32 __kmp_set_stack_info(
int gtid, kmp_info_t *th) {
448#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
449 KMP_OS_HURD || KMP_OS_SOLARIS || KMP_OS_AIX
458 if (!KMP_UBER_GTID(gtid)) {
461 status = pthread_attr_init(&attr);
462 KMP_CHECK_SYSFAIL(
"pthread_attr_init", status);
463#if KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD
464 status = pthread_attr_get_np(pthread_self(), &attr);
465 KMP_CHECK_SYSFAIL(
"pthread_attr_get_np", status);
467 status = pthread_getattr_np(pthread_self(), &attr);
468 KMP_CHECK_SYSFAIL(
"pthread_getattr_np", status);
470 status = pthread_attr_getstack(&attr, &addr, &size);
471 KMP_CHECK_SYSFAIL(
"pthread_attr_getstack", status);
473 (
"__kmp_set_stack_info: T#%d pthread_attr_getstack returned size:"
474 " %lu, low addr: %p\n",
476 status = pthread_attr_destroy(&attr);
477 KMP_CHECK_SYSFAIL(
"pthread_attr_destroy", status);
480 if (size != 0 && addr != 0) {
482 TCW_PTR(th->th.th_info.ds.ds_stackbase, (((
char *)addr) + size));
483 TCW_PTR(th->th.th_info.ds.ds_stacksize, size);
484 TCW_4(th->th.th_info.ds.ds_stackgrow, FALSE);
490 TCW_PTR(th->th.th_info.ds.ds_stacksize, 0);
491 TCW_PTR(th->th.th_info.ds.ds_stackbase, &stack_data);
492 TCW_4(th->th.th_info.ds.ds_stackgrow, TRUE);
496static void *__kmp_launch_worker(
void *thr) {
497 int status, old_type, old_state;
498#ifdef KMP_BLOCK_SIGNALS
499 sigset_t new_set, old_set;
502#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
503 KMP_OS_OPENBSD || KMP_OS_HURD || KMP_OS_SOLARIS || KMP_OS_AIX
504 void *
volatile padding = 0;
508 gtid = ((kmp_info_t *)thr)->th.th_info.ds.ds_gtid;
509 __kmp_gtid_set_specific(gtid);
515 __kmp_stats_thread_ptr = ((kmp_info_t *)thr)->th.th_stats;
516 __kmp_stats_thread_ptr->startLife();
517 KMP_SET_THREAD_STATE(IDLE);
522 __kmp_itt_thread_name(gtid);
525#if KMP_AFFINITY_SUPPORTED
526 __kmp_affinity_bind_init_mask(gtid);
529#ifdef KMP_CANCEL_THREADS
530 status = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old_type);
531 KMP_CHECK_SYSFAIL(
"pthread_setcanceltype", status);
533 status = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_state);
534 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
537#if KMP_ARCH_X86 || KMP_ARCH_X86_64
539 __kmp_clear_x87_fpu_status_word();
540 __kmp_load_x87_fpu_control_word(&__kmp_init_x87_fpu_control_word);
541 __kmp_load_mxcsr(&__kmp_init_mxcsr);
544#ifdef KMP_BLOCK_SIGNALS
545 status = sigfillset(&new_set);
546 KMP_CHECK_SYSFAIL_ERRNO(
"sigfillset", status);
547 status = pthread_sigmask(SIG_BLOCK, &new_set, &old_set);
548 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
551#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
552 KMP_OS_OPENBSD || KMP_OS_HURD || KMP_OS_SOLARIS || KMP_OS_AIX
553 if (__kmp_stkoffset > 0 && gtid > 0) {
554 padding = KMP_ALLOCA(gtid * __kmp_stkoffset);
560 __kmp_set_stack_info(gtid, (kmp_info_t *)thr);
562 __kmp_check_stack_overlap((kmp_info_t *)thr);
564 exit_val = __kmp_launch_thread((kmp_info_t *)thr);
566#ifdef KMP_BLOCK_SIGNALS
567 status = pthread_sigmask(SIG_SETMASK, &old_set, NULL);
568 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
577static void *__kmp_launch_monitor(
void *thr) {
578 int status, old_type, old_state;
579#ifdef KMP_BLOCK_SIGNALS
582 struct timespec interval;
586 KA_TRACE(10, (
"__kmp_launch_monitor: #1 launched\n"));
589 __kmp_gtid_set_specific(KMP_GTID_MONITOR);
591 __kmp_gtid = KMP_GTID_MONITOR;
598 __kmp_itt_thread_ignore();
601 __kmp_set_stack_info(((kmp_info_t *)thr)->th.th_info.ds.ds_gtid,
604 __kmp_check_stack_overlap((kmp_info_t *)thr);
606#ifdef KMP_CANCEL_THREADS
607 status = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old_type);
608 KMP_CHECK_SYSFAIL(
"pthread_setcanceltype", status);
610 status = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_state);
611 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
619 int sched = sched_getscheduler(0);
620 if (sched == SCHED_FIFO || sched == SCHED_RR) {
623 struct sched_param param;
624 int max_priority = sched_get_priority_max(sched);
626 KMP_WARNING(RealTimeSchedNotSupported);
627 sched_getparam(0, ¶m);
628 if (param.sched_priority < max_priority) {
629 param.sched_priority += 1;
630 rc = sched_setscheduler(0, sched, ¶m);
633 kmp_msg_t err_code = KMP_ERR(error);
634 __kmp_msg(kmp_ms_warning, KMP_MSG(CantChangeMonitorPriority),
635 err_code, KMP_MSG(MonitorWillStarve), __kmp_msg_null);
636 if (__kmp_generate_warnings == kmp_warnings_off) {
637 __kmp_str_free(&err_code.str);
644 __kmp_msg(kmp_ms_warning, KMP_MSG(RunningAtMaxPriority),
645 KMP_MSG(MonitorWillStarve), KMP_HNT(RunningAtMaxPriority),
650 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
656 if (__kmp_monitor_wakeups == 1) {
658 interval.tv_nsec = 0;
661 interval.tv_nsec = (KMP_NSEC_PER_SEC / __kmp_monitor_wakeups);
664 KA_TRACE(10, (
"__kmp_launch_monitor: #2 monitor\n"));
666 while (!TCR_4(__kmp_global.g.g_done)) {
672 KA_TRACE(15, (
"__kmp_launch_monitor: update\n"));
674 status = gettimeofday(&tval, NULL);
675 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
676 TIMEVAL_TO_TIMESPEC(&tval, &now);
678 now.tv_sec += interval.tv_sec;
679 now.tv_nsec += interval.tv_nsec;
681 if (now.tv_nsec >= KMP_NSEC_PER_SEC) {
683 now.tv_nsec -= KMP_NSEC_PER_SEC;
686 status = pthread_mutex_lock(&__kmp_wait_mx.m_mutex);
687 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
689 if (!TCR_4(__kmp_global.g.g_done)) {
690 status = pthread_cond_timedwait(&__kmp_wait_cv.c_cond,
691 &__kmp_wait_mx.m_mutex, &now);
693 if (status != ETIMEDOUT && status != EINTR) {
694 KMP_SYSFAIL(
"pthread_cond_timedwait", status);
698 status = pthread_mutex_unlock(&__kmp_wait_mx.m_mutex);
699 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
701 TCW_4(__kmp_global.g.g_time.dt.t_value,
702 TCR_4(__kmp_global.g.g_time.dt.t_value) + 1);
707 KA_TRACE(10, (
"__kmp_launch_monitor: #3 cleanup\n"));
709#ifdef KMP_BLOCK_SIGNALS
710 status = sigfillset(&new_set);
711 KMP_CHECK_SYSFAIL_ERRNO(
"sigfillset", status);
712 status = pthread_sigmask(SIG_UNBLOCK, &new_set, NULL);
713 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
716 KA_TRACE(10, (
"__kmp_launch_monitor: #4 finished\n"));
718 if (__kmp_global.g.g_abort != 0) {
724 KA_TRACE(10, (
"__kmp_launch_monitor: #5 terminate sig=%d\n",
725 __kmp_global.g.g_abort));
730 for (gtid = 1; gtid < __kmp_threads_capacity; ++gtid)
731 __kmp_terminate_thread(gtid);
735 KA_TRACE(10, (
"__kmp_launch_monitor: #6 raise sig=%d\n",
736 __kmp_global.g.g_abort));
738 if (__kmp_global.g.g_abort > 0)
739 raise(__kmp_global.g.g_abort);
742 KA_TRACE(10, (
"__kmp_launch_monitor: #7 exit\n"));
748void __kmp_create_worker(
int gtid, kmp_info_t *th,
size_t stack_size) {
750 pthread_attr_t thread_attr;
753 th->th.th_info.ds.ds_gtid = gtid;
757 __kmp_acquire_tas_lock(&__kmp_stats_lock, gtid);
763 if (!KMP_UBER_GTID(gtid)) {
764 th->th.th_stats = __kmp_stats_list->push_back(gtid);
768 th->th.th_stats = __kmp_stats_thread_ptr;
770 __kmp_release_tas_lock(&__kmp_stats_lock, gtid);
774 if (KMP_UBER_GTID(gtid)) {
775 KA_TRACE(10, (
"__kmp_create_worker: uber thread (%d)\n", gtid));
776 th->th.th_info.ds.ds_thread = pthread_self();
777 __kmp_set_stack_info(gtid, th);
778 __kmp_check_stack_overlap(th);
782 KA_TRACE(10, (
"__kmp_create_worker: try to create thread (%d)\n", gtid));
786#ifdef KMP_THREAD_ATTR
787 status = pthread_attr_init(&thread_attr);
789 __kmp_fatal(KMP_MSG(CantInitThreadAttrs), KMP_ERR(status), __kmp_msg_null);
791 status = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
793 __kmp_fatal(KMP_MSG(CantSetWorkerState), KMP_ERR(status), __kmp_msg_null);
803 stack_size += gtid * __kmp_stkoffset * 2;
805 KA_TRACE(10, (
"__kmp_create_worker: T#%d, default stacksize = %lu bytes, "
806 "__kmp_stksize = %lu bytes, final stacksize = %lu bytes\n",
807 gtid, KMP_DEFAULT_STKSIZE, __kmp_stksize, stack_size));
809#ifdef _POSIX_THREAD_ATTR_STACKSIZE
810 status = pthread_attr_setstacksize(&thread_attr, stack_size);
811#ifdef KMP_BACKUP_STKSIZE
813 if (!__kmp_env_stksize) {
814 stack_size = KMP_BACKUP_STKSIZE + gtid * __kmp_stkoffset;
815 __kmp_stksize = KMP_BACKUP_STKSIZE;
816 KA_TRACE(10, (
"__kmp_create_worker: T#%d, default stacksize = %lu bytes, "
817 "__kmp_stksize = %lu bytes, (backup) final stacksize = %lu "
819 gtid, KMP_DEFAULT_STKSIZE, __kmp_stksize, stack_size));
820 status = pthread_attr_setstacksize(&thread_attr, stack_size);
825 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
826 KMP_HNT(ChangeWorkerStackSize), __kmp_msg_null);
833 pthread_create(&handle, &thread_attr, __kmp_launch_worker, (
void *)th);
834 if (status != 0 || !handle) {
835#ifdef _POSIX_THREAD_ATTR_STACKSIZE
836 if (status == EINVAL) {
837 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
838 KMP_HNT(IncreaseWorkerStackSize), __kmp_msg_null);
840 if (status == ENOMEM) {
841 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
842 KMP_HNT(DecreaseWorkerStackSize), __kmp_msg_null);
845 if (status == EAGAIN) {
846 __kmp_fatal(KMP_MSG(NoResourcesForWorkerThread), KMP_ERR(status),
847 KMP_HNT(Decrease_NUM_THREADS), __kmp_msg_null);
849 KMP_SYSFAIL(
"pthread_create", status);
852 th->th.th_info.ds.ds_thread = handle;
854#ifdef KMP_THREAD_ATTR
855 status = pthread_attr_destroy(&thread_attr);
857 kmp_msg_t err_code = KMP_ERR(status);
858 __kmp_msg(kmp_ms_warning, KMP_MSG(CantDestroyThreadAttrs), err_code,
860 if (__kmp_generate_warnings == kmp_warnings_off) {
861 __kmp_str_free(&err_code.str);
868 KA_TRACE(10, (
"__kmp_create_worker: done creating thread (%d)\n", gtid));
873void __kmp_create_monitor(kmp_info_t *th) {
875 pthread_attr_t thread_attr;
878 int auto_adj_size = FALSE;
880 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME) {
882 KA_TRACE(10, (
"__kmp_create_monitor: skipping monitor thread because of "
884 th->th.th_info.ds.ds_tid = 0;
885 th->th.th_info.ds.ds_gtid = 0;
888 KA_TRACE(10, (
"__kmp_create_monitor: try to create monitor\n"));
892 th->th.th_info.ds.ds_tid = KMP_GTID_MONITOR;
893 th->th.th_info.ds.ds_gtid = KMP_GTID_MONITOR;
895 TCW_4(__kmp_global.g.g_time.dt.t_value,
898 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
901#ifdef KMP_THREAD_ATTR
902 if (__kmp_monitor_stksize == 0) {
903 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
904 auto_adj_size = TRUE;
906 status = pthread_attr_init(&thread_attr);
908 __kmp_fatal(KMP_MSG(CantInitThreadAttrs), KMP_ERR(status), __kmp_msg_null);
910 status = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
912 __kmp_fatal(KMP_MSG(CantSetMonitorState), KMP_ERR(status), __kmp_msg_null);
915#ifdef _POSIX_THREAD_ATTR_STACKSIZE
916 status = pthread_attr_getstacksize(&thread_attr, &size);
917 KMP_CHECK_SYSFAIL(
"pthread_attr_getstacksize", status);
919 size = __kmp_sys_min_stksize;
923 if (__kmp_monitor_stksize == 0) {
924 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
926 if (__kmp_monitor_stksize < __kmp_sys_min_stksize) {
927 __kmp_monitor_stksize = __kmp_sys_min_stksize;
930 KA_TRACE(10, (
"__kmp_create_monitor: default stacksize = %lu bytes,"
931 "requested stacksize = %lu bytes\n",
932 size, __kmp_monitor_stksize));
937#ifdef _POSIX_THREAD_ATTR_STACKSIZE
938 KA_TRACE(10, (
"__kmp_create_monitor: setting stacksize = %lu bytes,",
939 __kmp_monitor_stksize));
940 status = pthread_attr_setstacksize(&thread_attr, __kmp_monitor_stksize);
943 __kmp_monitor_stksize *= 2;
946 kmp_msg_t err_code = KMP_ERR(status);
947 __kmp_msg(kmp_ms_warning,
948 KMP_MSG(CantSetMonitorStackSize, (
long int)__kmp_monitor_stksize),
949 err_code, KMP_HNT(ChangeMonitorStackSize), __kmp_msg_null);
950 if (__kmp_generate_warnings == kmp_warnings_off) {
951 __kmp_str_free(&err_code.str);
957 pthread_create(&handle, &thread_attr, __kmp_launch_monitor, (
void *)th);
960#ifdef _POSIX_THREAD_ATTR_STACKSIZE
961 if (status == EINVAL) {
962 if (auto_adj_size && (__kmp_monitor_stksize < (
size_t)0x40000000)) {
963 __kmp_monitor_stksize *= 2;
966 __kmp_fatal(KMP_MSG(CantSetMonitorStackSize, __kmp_monitor_stksize),
967 KMP_ERR(status), KMP_HNT(IncreaseMonitorStackSize),
970 if (status == ENOMEM) {
971 __kmp_fatal(KMP_MSG(CantSetMonitorStackSize, __kmp_monitor_stksize),
972 KMP_ERR(status), KMP_HNT(DecreaseMonitorStackSize),
976 if (status == EAGAIN) {
977 __kmp_fatal(KMP_MSG(NoResourcesForMonitorThread), KMP_ERR(status),
978 KMP_HNT(DecreaseNumberOfThreadsInUse), __kmp_msg_null);
980 KMP_SYSFAIL(
"pthread_create", status);
983 th->th.th_info.ds.ds_thread = handle;
987 KMP_DEBUG_ASSERT(
sizeof(kmp_uint32) ==
988 sizeof(__kmp_global.g.g_time.dt.t_value));
989 __kmp_wait_4((kmp_uint32
volatile *)&__kmp_global.g.g_time.dt.t_value, -1,
993#ifdef KMP_THREAD_ATTR
994 status = pthread_attr_destroy(&thread_attr);
996 kmp_msg_t err_code = KMP_ERR(status);
997 __kmp_msg(kmp_ms_warning, KMP_MSG(CantDestroyThreadAttrs), err_code,
999 if (__kmp_generate_warnings == kmp_warnings_off) {
1000 __kmp_str_free(&err_code.str);
1007 KA_TRACE(10, (
"__kmp_create_monitor: monitor created %#.8lx\n",
1008 th->th.th_info.ds.ds_thread));
1013void __kmp_exit_thread(
int exit_status) {
1017 pthread_exit((
void *)(intptr_t)exit_status);
1022void __kmp_resume_monitor();
1024extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
1028 KA_TRACE(10, (
"__kmp_reap_monitor: try to reap monitor thread with handle"
1030 th->th.th_info.ds.ds_thread));
1035 KMP_DEBUG_ASSERT(th->th.th_info.ds.ds_tid == th->th.th_info.ds.ds_gtid);
1036 if (th->th.th_info.ds.ds_gtid != KMP_GTID_MONITOR) {
1037 KA_TRACE(10, (
"__kmp_reap_monitor: monitor did not start, returning\n"));
1047 status = pthread_kill(th->th.th_info.ds.ds_thread, 0);
1048 if (status != ESRCH) {
1049 __kmp_resume_monitor();
1051 KA_TRACE(10, (
"__kmp_reap_monitor: try to join with monitor\n"));
1052 status = pthread_join(th->th.th_info.ds.ds_thread, &exit_val);
1053 if (exit_val != th) {
1054 __kmp_fatal(KMP_MSG(ReapMonitorError), KMP_ERR(status), __kmp_msg_null);
1057 th->th.th_info.ds.ds_tid = KMP_GTID_DNE;
1058 th->th.th_info.ds.ds_gtid = KMP_GTID_DNE;
1060 KA_TRACE(10, (
"__kmp_reap_monitor: done reaping monitor thread with handle"
1062 th->th.th_info.ds.ds_thread));
1069extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
1074void __kmp_reap_worker(kmp_info_t *th) {
1081 10, (
"__kmp_reap_worker: try to reap T#%d\n", th->th.th_info.ds.ds_gtid));
1083 status = pthread_join(th->th.th_info.ds.ds_thread, &exit_val);
1087 __kmp_fatal(KMP_MSG(ReapWorkerError), KMP_ERR(status), __kmp_msg_null);
1089 if (exit_val != th) {
1090 KA_TRACE(10, (
"__kmp_reap_worker: worker T#%d did not reap properly, "
1092 th->th.th_info.ds.ds_gtid, exit_val));
1098 KA_TRACE(10, (
"__kmp_reap_worker: done reaping T#%d\n",
1099 th->th.th_info.ds.ds_gtid));
1104#if KMP_HANDLE_SIGNALS
1106static void __kmp_null_handler(
int signo) {
1110static void __kmp_team_handler(
int signo) {
1111 if (__kmp_global.g.g_abort == 0) {
1114 __kmp_debug_printf(
"__kmp_team_handler: caught signal = %d\n", signo);
1129 if (__kmp_debug_buf) {
1130 __kmp_dump_debug_buffer();
1132 __kmp_unregister_library();
1134 TCW_4(__kmp_global.g.g_abort, signo);
1136 TCW_4(__kmp_global.g.g_done, TRUE);
1141 __kmp_debug_printf(
"__kmp_team_handler: unknown signal type");
1148static void __kmp_sigaction(
int signum,
const struct sigaction *act,
1149 struct sigaction *oldact) {
1150 int rc = sigaction(signum, act, oldact);
1151 KMP_CHECK_SYSFAIL_ERRNO(
"sigaction", rc);
1154static void __kmp_install_one_handler(
int sig, sig_func_t handler_func,
1155 int parallel_init) {
1158 (
"__kmp_install_one_handler( %d, ..., %d )\n", sig, parallel_init));
1159 if (parallel_init) {
1160 struct sigaction new_action;
1161 struct sigaction old_action;
1162 new_action.sa_handler = handler_func;
1163 new_action.sa_flags = 0;
1164 sigfillset(&new_action.sa_mask);
1165 __kmp_sigaction(sig, &new_action, &old_action);
1166 if (old_action.sa_handler == __kmp_sighldrs[sig].sa_handler) {
1167 sigaddset(&__kmp_sigset, sig);
1170 __kmp_sigaction(sig, &old_action, NULL);
1174 __kmp_sigaction(sig, NULL, &__kmp_sighldrs[sig]);
1179static void __kmp_remove_one_handler(
int sig) {
1180 KB_TRACE(60, (
"__kmp_remove_one_handler( %d )\n", sig));
1181 if (sigismember(&__kmp_sigset, sig)) {
1182 struct sigaction old;
1184 __kmp_sigaction(sig, &__kmp_sighldrs[sig], &old);
1185 if ((old.sa_handler != __kmp_team_handler) &&
1186 (old.sa_handler != __kmp_null_handler)) {
1188 KB_TRACE(10, (
"__kmp_remove_one_handler: oops, not our handler, "
1189 "restoring: sig=%d\n",
1191 __kmp_sigaction(sig, &old, NULL);
1193 sigdelset(&__kmp_sigset, sig);
1198void __kmp_install_signals(
int parallel_init) {
1199 KB_TRACE(10, (
"__kmp_install_signals( %d )\n", parallel_init));
1200 if (__kmp_handle_signals || !parallel_init) {
1203 sigemptyset(&__kmp_sigset);
1204 __kmp_install_one_handler(SIGHUP, __kmp_team_handler, parallel_init);
1205 __kmp_install_one_handler(SIGINT, __kmp_team_handler, parallel_init);
1206 __kmp_install_one_handler(SIGQUIT, __kmp_team_handler, parallel_init);
1207 __kmp_install_one_handler(SIGILL, __kmp_team_handler, parallel_init);
1208 __kmp_install_one_handler(SIGABRT, __kmp_team_handler, parallel_init);
1209 __kmp_install_one_handler(SIGFPE, __kmp_team_handler, parallel_init);
1210 __kmp_install_one_handler(SIGBUS, __kmp_team_handler, parallel_init);
1211 __kmp_install_one_handler(SIGSEGV, __kmp_team_handler, parallel_init);
1213 __kmp_install_one_handler(SIGSYS, __kmp_team_handler, parallel_init);
1215 __kmp_install_one_handler(SIGTERM, __kmp_team_handler, parallel_init);
1217 __kmp_install_one_handler(SIGPIPE, __kmp_team_handler, parallel_init);
1222void __kmp_remove_signals(
void) {
1224 KB_TRACE(10, (
"__kmp_remove_signals()\n"));
1225 for (sig = 1; sig < NSIG; ++sig) {
1226 __kmp_remove_one_handler(sig);
1232void __kmp_enable(
int new_state) {
1233#ifdef KMP_CANCEL_THREADS
1234 int status, old_state;
1235 status = pthread_setcancelstate(new_state, &old_state);
1236 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
1237 KMP_DEBUG_ASSERT(old_state == PTHREAD_CANCEL_DISABLE);
1241void __kmp_disable(
int *old_state) {
1242#ifdef KMP_CANCEL_THREADS
1244 status = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, old_state);
1245 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
1249static void __kmp_atfork_prepare(
void) {
1250 __kmp_acquire_bootstrap_lock(&__kmp_initz_lock);
1251 __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock);
1254static void __kmp_atfork_parent(
void) {
1255 __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock);
1256 __kmp_release_bootstrap_lock(&__kmp_initz_lock);
1262static void __kmp_atfork_child(
void) {
1263 __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock);
1264 __kmp_release_bootstrap_lock(&__kmp_initz_lock);
1271#if KMP_AFFINITY_SUPPORTED
1272#if KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_AIX
1275 kmp_set_thread_affinity_mask_initial();
1280 if (__kmp_nested_proc_bind.bind_types != NULL) {
1281 __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
1283 for (kmp_affinity_t *affinity : __kmp_affinities)
1284 *affinity = KMP_AFFINITY_INIT(affinity->env_var);
1285 __kmp_affin_fullMask =
nullptr;
1286 __kmp_affin_origMask =
nullptr;
1287 __kmp_topology =
nullptr;
1291 __kmp_init_monitor = 0;
1293 __kmp_init_parallel = FALSE;
1294 __kmp_init_middle = FALSE;
1295 __kmp_init_serial = FALSE;
1296 TCW_4(__kmp_init_gtid, FALSE);
1297 __kmp_init_common = FALSE;
1299 TCW_4(__kmp_init_user_locks, FALSE);
1300#if !KMP_USE_DYNAMIC_LOCK
1301 __kmp_user_lock_table.used = 1;
1302 __kmp_user_lock_table.allocated = 0;
1303 __kmp_user_lock_table.table = NULL;
1304 __kmp_lock_blocks = NULL;
1308 TCW_4(__kmp_nth, 0);
1310 __kmp_thread_pool = NULL;
1311 __kmp_thread_pool_insert_pt = NULL;
1312 __kmp_team_pool = NULL;
1316 KA_TRACE(10, (
"__kmp_atfork_child: checking cache address list %p\n",
1317 __kmp_threadpriv_cache_list));
1319 while (__kmp_threadpriv_cache_list != NULL) {
1321 if (*__kmp_threadpriv_cache_list->addr != NULL) {
1322 KC_TRACE(50, (
"__kmp_atfork_child: zeroing cache at address %p\n",
1323 &(*__kmp_threadpriv_cache_list->addr)));
1325 *__kmp_threadpriv_cache_list->addr = NULL;
1327 __kmp_threadpriv_cache_list = __kmp_threadpriv_cache_list->next;
1330 __kmp_init_runtime = FALSE;
1333 __kmp_init_bootstrap_lock(&__kmp_initz_lock);
1334 __kmp_init_bootstrap_lock(&__kmp_stdio_lock);
1335 __kmp_init_bootstrap_lock(&__kmp_console_lock);
1336 __kmp_init_bootstrap_lock(&__kmp_task_team_lock);
1346 __kmp_need_register_serial = FALSE;
1347 __kmp_serial_initialize();
1361void __kmp_register_atfork(
void) {
1362 if (__kmp_need_register_atfork) {
1364 int status = pthread_atfork(__kmp_atfork_prepare, __kmp_atfork_parent,
1365 __kmp_atfork_child);
1366 KMP_CHECK_SYSFAIL(
"pthread_atfork", status);
1368 __kmp_need_register_atfork = FALSE;
1372void __kmp_suspend_initialize(
void) {
1374 status = pthread_mutexattr_init(&__kmp_suspend_mutex_attr);
1375 KMP_CHECK_SYSFAIL(
"pthread_mutexattr_init", status);
1376 status = pthread_condattr_init(&__kmp_suspend_cond_attr);
1377 KMP_CHECK_SYSFAIL(
"pthread_condattr_init", status);
1380void __kmp_suspend_initialize_thread(kmp_info_t *th) {
1381 int old_value = KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init_count);
1382 int new_value = __kmp_fork_count + 1;
1384 if (old_value == new_value)
1387 if (old_value == -1 || !__kmp_atomic_compare_store(
1388 &th->th.th_suspend_init_count, old_value, -1)) {
1389 while (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init_count) != new_value) {
1395 status = pthread_cond_init(&th->th.th_suspend_cv.c_cond,
1396 &__kmp_suspend_cond_attr);
1397 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
1398 status = pthread_mutex_init(&th->th.th_suspend_mx.m_mutex,
1399 &__kmp_suspend_mutex_attr);
1400 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
1401 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init_count, new_value);
1405void __kmp_suspend_uninitialize_thread(kmp_info_t *th) {
1406 if (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init_count) > __kmp_fork_count) {
1411 status = pthread_cond_destroy(&th->th.th_suspend_cv.c_cond);
1412 if (status != 0 && status != EBUSY) {
1413 KMP_SYSFAIL(
"pthread_cond_destroy", status);
1415 status = pthread_mutex_destroy(&th->th.th_suspend_mx.m_mutex);
1416 if (status != 0 && status != EBUSY) {
1417 KMP_SYSFAIL(
"pthread_mutex_destroy", status);
1419 --th->th.th_suspend_init_count;
1420 KMP_DEBUG_ASSERT(KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init_count) ==
1426int __kmp_try_suspend_mx(kmp_info_t *th) {
1427 return (pthread_mutex_trylock(&th->th.th_suspend_mx.m_mutex) == 0);
1430void __kmp_lock_suspend_mx(kmp_info_t *th) {
1431 int status = pthread_mutex_lock(&th->th.th_suspend_mx.m_mutex);
1432 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
1435void __kmp_unlock_suspend_mx(kmp_info_t *th) {
1436 int status = pthread_mutex_unlock(&th->th.th_suspend_mx.m_mutex);
1437 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
1443static inline void __kmp_suspend_template(
int th_gtid, C *flag) {
1444 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_suspend);
1445 kmp_info_t *th = __kmp_threads[th_gtid];
1447 typename C::flag_t old_spin;
1449 KF_TRACE(30, (
"__kmp_suspend_template: T#%d enter for flag = %p\n", th_gtid,
1452 __kmp_suspend_initialize_thread(th);
1454 __kmp_lock_suspend_mx(th);
1456 KF_TRACE(10, (
"__kmp_suspend_template: T#%d setting sleep bit for spin(%p)\n",
1457 th_gtid, flag->get()));
1461 old_spin = flag->set_sleeping();
1462 TCW_PTR(th->th.th_sleep_loc, (
void *)flag);
1463 th->th.th_sleep_loc_type = flag->get_type();
1464 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME &&
1465 __kmp_pause_status != kmp_soft_paused) {
1466 flag->unset_sleeping();
1467 TCW_PTR(th->th.th_sleep_loc, NULL);
1468 th->th.th_sleep_loc_type = flag_unset;
1469 __kmp_unlock_suspend_mx(th);
1472 KF_TRACE(5, (
"__kmp_suspend_template: T#%d set sleep bit for spin(%p)==%x,"
1474 th_gtid, flag->get(), flag->load(), old_spin));
1476 if (flag->done_check_val(old_spin) || flag->done_check()) {
1477 flag->unset_sleeping();
1478 TCW_PTR(th->th.th_sleep_loc, NULL);
1479 th->th.th_sleep_loc_type = flag_unset;
1480 KF_TRACE(5, (
"__kmp_suspend_template: T#%d false alarm, reset sleep bit "
1482 th_gtid, flag->get()));
1487 int deactivated = FALSE;
1489 while (flag->is_sleeping()) {
1492 __kmp_suspend_count++;
1493 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1494 __kmp_printf(
"__kmp_suspend_template: suspending T#%d: %s\n", th_gtid,
1500 th->th.th_active = FALSE;
1501 if (th->th.th_active_in_pool) {
1502 th->th.th_active_in_pool = FALSE;
1503 KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
1504 KMP_DEBUG_ASSERT(TCR_4(__kmp_thread_pool_active_nth) >= 0);
1509 KMP_DEBUG_ASSERT(th->th.th_sleep_loc);
1510 KMP_DEBUG_ASSERT(flag->get_type() == th->th.th_sleep_loc_type);
1512#if USE_SUSPEND_TIMEOUT
1513 struct timespec now;
1514 struct timeval tval;
1517 status = gettimeofday(&tval, NULL);
1518 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1519 TIMEVAL_TO_TIMESPEC(&tval, &now);
1521 msecs = (4 * __kmp_dflt_blocktime) + 200;
1522 now.tv_sec += msecs / 1000;
1523 now.tv_nsec += (msecs % 1000) * 1000;
1525 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform "
1526 "pthread_cond_timedwait\n",
1528 status = pthread_cond_timedwait(&th->th.th_suspend_cv.c_cond,
1529 &th->th.th_suspend_mx.m_mutex, &now);
1531 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform"
1532 " pthread_cond_wait\n",
1534 status = pthread_cond_wait(&th->th.th_suspend_cv.c_cond,
1535 &th->th.th_suspend_mx.m_mutex);
1538 if ((status != 0) && (status != EINTR) && (status != ETIMEDOUT)) {
1539 KMP_SYSFAIL(
"pthread_cond_wait", status);
1542 KMP_DEBUG_ASSERT(flag->get_type() == flag->get_ptr_type());
1544 if (!flag->is_sleeping() &&
1545 ((status == EINTR) || (status == ETIMEDOUT))) {
1549 flag->unset_sleeping();
1550 TCW_PTR(th->th.th_sleep_loc, NULL);
1551 th->th.th_sleep_loc_type = flag_unset;
1554 if (status == ETIMEDOUT) {
1555 if (flag->is_sleeping()) {
1557 (
"__kmp_suspend_template: T#%d timeout wakeup\n", th_gtid));
1559 KF_TRACE(2, (
"__kmp_suspend_template: T#%d timeout wakeup, sleep bit "
1562 TCW_PTR(th->th.th_sleep_loc, NULL);
1563 th->th.th_sleep_loc_type = flag_unset;
1565 }
else if (flag->is_sleeping()) {
1567 (
"__kmp_suspend_template: T#%d spurious wakeup\n", th_gtid));
1574 th->th.th_active = TRUE;
1575 if (TCR_4(th->th.th_in_pool)) {
1576 KMP_ATOMIC_INC(&__kmp_thread_pool_active_nth);
1577 th->th.th_active_in_pool = TRUE;
1583 TCW_PTR(th->th.th_sleep_loc, NULL);
1584 th->th.th_sleep_loc_type = flag_unset;
1586 KMP_DEBUG_ASSERT(!flag->is_sleeping());
1587 KMP_DEBUG_ASSERT(!th->th.th_sleep_loc);
1591 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1592 __kmp_printf(
"__kmp_suspend_template: T#%d has awakened: %s\n", th_gtid,
1597 __kmp_unlock_suspend_mx(th);
1598 KF_TRACE(30, (
"__kmp_suspend_template: T#%d exit\n", th_gtid));
1601template <
bool C,
bool S>
1602void __kmp_suspend_32(
int th_gtid, kmp_flag_32<C, S> *flag) {
1603 __kmp_suspend_template(th_gtid, flag);
1605template <
bool C,
bool S>
1606void __kmp_suspend_64(
int th_gtid, kmp_flag_64<C, S> *flag) {
1607 __kmp_suspend_template(th_gtid, flag);
1609template <
bool C,
bool S>
1610void __kmp_atomic_suspend_64(
int th_gtid, kmp_atomic_flag_64<C, S> *flag) {
1611 __kmp_suspend_template(th_gtid, flag);
1613void __kmp_suspend_oncore(
int th_gtid, kmp_flag_oncore *flag) {
1614 __kmp_suspend_template(th_gtid, flag);
1617template void __kmp_suspend_32<false, false>(
int, kmp_flag_32<false, false> *);
1618template void __kmp_suspend_64<false, true>(
int, kmp_flag_64<false, true> *);
1619template void __kmp_suspend_64<true, false>(
int, kmp_flag_64<true, false> *);
1621__kmp_atomic_suspend_64<false, true>(
int, kmp_atomic_flag_64<false, true> *);
1623__kmp_atomic_suspend_64<true, false>(
int, kmp_atomic_flag_64<true, false> *);
1629static inline void __kmp_resume_template(
int target_gtid, C *flag) {
1630 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_resume);
1631 kmp_info_t *th = __kmp_threads[target_gtid];
1635 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
1638 KF_TRACE(30, (
"__kmp_resume_template: T#%d wants to wakeup T#%d enter\n",
1639 gtid, target_gtid));
1640 KMP_DEBUG_ASSERT(gtid != target_gtid);
1642 __kmp_suspend_initialize_thread(th);
1644 __kmp_lock_suspend_mx(th);
1646 if (!flag || flag != th->th.th_sleep_loc) {
1649 flag = (C *)CCAST(
void *, th->th.th_sleep_loc);
1655 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
1656 "awake: flag(%p)\n",
1657 gtid, target_gtid, (
void *)NULL));
1658 __kmp_unlock_suspend_mx(th);
1660 }
else if (flag->get_type() != th->th.th_sleep_loc_type) {
1665 (
"__kmp_resume_template: T#%d retrying, thread T#%d Mismatch flag(%p), "
1666 "spin(%p) type=%d ptr_type=%d\n",
1667 gtid, target_gtid, flag, flag->get(), flag->get_type(),
1668 th->th.th_sleep_loc_type));
1669 __kmp_unlock_suspend_mx(th);
1670 __kmp_null_resume_wrapper(th);
1674 if (!flag->is_sleeping()) {
1675 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
1676 "awake: flag(%p): %u\n",
1677 gtid, target_gtid, flag->get(), (
unsigned int)flag->load()));
1678 __kmp_unlock_suspend_mx(th);
1682 KMP_DEBUG_ASSERT(flag);
1683 flag->unset_sleeping();
1684 TCW_PTR(th->th.th_sleep_loc, NULL);
1685 th->th.th_sleep_loc_type = flag_unset;
1687 KF_TRACE(5, (
"__kmp_resume_template: T#%d about to wakeup T#%d, reset "
1688 "sleep bit for flag's loc(%p): %u\n",
1689 gtid, target_gtid, flag->get(), (
unsigned int)flag->load()));
1694 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1695 __kmp_printf(
"__kmp_resume_template: T#%d resuming T#%d: %s\n", gtid,
1696 target_gtid, buffer);
1699 status = pthread_cond_signal(&th->th.th_suspend_cv.c_cond);
1700 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
1701 __kmp_unlock_suspend_mx(th);
1702 KF_TRACE(30, (
"__kmp_resume_template: T#%d exiting after signaling wake up"
1704 gtid, target_gtid));
1707template <
bool C,
bool S>
1708void __kmp_resume_32(
int target_gtid, kmp_flag_32<C, S> *flag) {
1709 __kmp_resume_template(target_gtid, flag);
1711template <
bool C,
bool S>
1712void __kmp_resume_64(
int target_gtid, kmp_flag_64<C, S> *flag) {
1713 __kmp_resume_template(target_gtid, flag);
1715template <
bool C,
bool S>
1716void __kmp_atomic_resume_64(
int target_gtid, kmp_atomic_flag_64<C, S> *flag) {
1717 __kmp_resume_template(target_gtid, flag);
1719void __kmp_resume_oncore(
int target_gtid, kmp_flag_oncore *flag) {
1720 __kmp_resume_template(target_gtid, flag);
1723template void __kmp_resume_32<false, true>(
int, kmp_flag_32<false, true> *);
1724template void __kmp_resume_32<false, false>(
int, kmp_flag_32<false, false> *);
1725template void __kmp_resume_64<false, true>(
int, kmp_flag_64<false, true> *);
1727__kmp_atomic_resume_64<false, true>(
int, kmp_atomic_flag_64<false, true> *);
1730void __kmp_resume_monitor() {
1731 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_resume);
1734 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
1735 KF_TRACE(30, (
"__kmp_resume_monitor: T#%d wants to wakeup T#%d enter\n", gtid,
1737 KMP_DEBUG_ASSERT(gtid != KMP_GTID_MONITOR);
1739 status = pthread_mutex_lock(&__kmp_wait_mx.m_mutex);
1740 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
1744 __kmp_print_cond(buffer, &__kmp_wait_cv.c_cond);
1745 __kmp_printf(
"__kmp_resume_monitor: T#%d resuming T#%d: %s\n", gtid,
1746 KMP_GTID_MONITOR, buffer);
1749 status = pthread_cond_signal(&__kmp_wait_cv.c_cond);
1750 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
1751 status = pthread_mutex_unlock(&__kmp_wait_mx.m_mutex);
1752 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
1753 KF_TRACE(30, (
"__kmp_resume_monitor: T#%d exiting after signaling wake up"
1755 gtid, KMP_GTID_MONITOR));
1759void __kmp_yield() { sched_yield(); }
1761void __kmp_gtid_set_specific(
int gtid) {
1762 if (__kmp_init_gtid) {
1764 status = pthread_setspecific(__kmp_gtid_threadprivate_key,
1765 (
void *)(intptr_t)(gtid + 1));
1766 KMP_CHECK_SYSFAIL(
"pthread_setspecific", status);
1768 KA_TRACE(50, (
"__kmp_gtid_set_specific: runtime shutdown, returning\n"));
1772int __kmp_gtid_get_specific() {
1774 if (!__kmp_init_gtid) {
1775 KA_TRACE(50, (
"__kmp_gtid_get_specific: runtime shutdown, returning "
1776 "KMP_GTID_SHUTDOWN\n"));
1777 return KMP_GTID_SHUTDOWN;
1779 gtid = (int)(
size_t)pthread_getspecific(__kmp_gtid_threadprivate_key);
1781 gtid = KMP_GTID_DNE;
1785 KA_TRACE(50, (
"__kmp_gtid_get_specific: key:%d gtid:%d\n",
1786 __kmp_gtid_threadprivate_key, gtid));
1790double __kmp_read_cpu_time(
void) {
1796 return (
double)(buffer.tms_utime + buffer.tms_cutime) /
1797 (
double)CLOCKS_PER_SEC;
1800int __kmp_read_system_info(
struct kmp_sys_info *info) {
1802 struct rusage r_usage;
1804 memset(info, 0,
sizeof(*info));
1806 status = getrusage(RUSAGE_SELF, &r_usage);
1807 KMP_CHECK_SYSFAIL_ERRNO(
"getrusage", status);
1811 info->maxrss = r_usage.ru_maxrss;
1813 info->minflt = r_usage.ru_minflt;
1815 info->majflt = r_usage.ru_majflt;
1817 info->nswap = r_usage.ru_nswap;
1819 info->inblock = r_usage.ru_inblock;
1821 info->oublock = r_usage.ru_oublock;
1823 info->nvcsw = r_usage.ru_nvcsw;
1825 info->nivcsw = r_usage.ru_nivcsw;
1828 return (status != 0);
1831void __kmp_read_system_time(
double *delta) {
1833 struct timeval tval;
1834 struct timespec stop;
1837 status = gettimeofday(&tval, NULL);
1838 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1839 TIMEVAL_TO_TIMESPEC(&tval, &stop);
1840 t_ns = (double)(TS2NS(stop) - TS2NS(__kmp_sys_timer_data.start));
1841 *delta = (t_ns * 1e-9);
1844void __kmp_clear_system_time(
void) {
1845 struct timeval tval;
1847 status = gettimeofday(&tval, NULL);
1848 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1849 TIMEVAL_TO_TIMESPEC(&tval, &__kmp_sys_timer_data.start);
1852static int __kmp_get_xproc(
void) {
1858 __kmp_type_convert(sysconf(_SC_NPROCESSORS_CONF), &(r));
1860#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_OPENBSD || \
1861 KMP_OS_HURD || KMP_OS_SOLARIS || KMP_OS_WASI || KMP_OS_AIX
1863 __kmp_type_convert(sysconf(_SC_NPROCESSORS_ONLN), &(r));
1871 host_basic_info_data_t info;
1872 mach_msg_type_number_t num = HOST_BASIC_INFO_COUNT;
1873 rc = host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&info, &num);
1874 if (rc == 0 && num == HOST_BASIC_INFO_COUNT) {
1877 r = info.avail_cpus;
1879 KMP_WARNING(CantGetNumAvailCPU);
1880 KMP_INFORM(AssumedNumCPU);
1885#error "Unknown or unsupported OS."
1889 return r > 0 ? r : 2;
1893int __kmp_read_from_file(
char const *path,
char const *format, ...) {
1897 va_start(args, format);
1898 FILE *f = fopen(path,
"rb");
1903 result = vfscanf(f, format, args);
1910void __kmp_runtime_initialize(
void) {
1912 pthread_mutexattr_t mutex_attr;
1913 pthread_condattr_t cond_attr;
1915 if (__kmp_init_runtime) {
1919#if (KMP_ARCH_X86 || KMP_ARCH_X86_64)
1920 if (!__kmp_cpuinfo.initialized) {
1921 __kmp_query_cpuid(&__kmp_cpuinfo);
1925 __kmp_xproc = __kmp_get_xproc();
1931 status = getrlimit(RLIMIT_STACK, &rlim);
1933 __kmp_stksize = rlim.rlim_cur;
1934 __kmp_check_stksize(&__kmp_stksize);
1938 if (sysconf(_SC_THREADS)) {
1941 __kmp_type_convert(sysconf(_SC_THREAD_THREADS_MAX), &(__kmp_sys_max_nth));
1943 if (__kmp_sys_max_nth == -1) {
1946 __kmp_sys_max_nth = KMP_MAX_NTH;
1949 if (__kmp_sys_max_nth == -1) {
1951 __kmp_sys_max_nth = INT_MAX;
1952 }
else if (__kmp_sys_max_nth <= 1) {
1954 __kmp_sys_max_nth = KMP_MAX_NTH;
1959 __kmp_sys_min_stksize = sysconf(_SC_THREAD_STACK_MIN);
1960 if (__kmp_sys_min_stksize <= 1) {
1961 __kmp_sys_min_stksize = KMP_MIN_STKSIZE;
1966 __kmp_tls_gtid_min = KMP_TLS_GTID_MIN;
1968 status = pthread_key_create(&__kmp_gtid_threadprivate_key,
1969 __kmp_internal_end_dest);
1970 KMP_CHECK_SYSFAIL(
"pthread_key_create", status);
1971 status = pthread_mutexattr_init(&mutex_attr);
1972 KMP_CHECK_SYSFAIL(
"pthread_mutexattr_init", status);
1973 status = pthread_mutex_init(&__kmp_wait_mx.m_mutex, &mutex_attr);
1974 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
1975 status = pthread_mutexattr_destroy(&mutex_attr);
1976 KMP_CHECK_SYSFAIL(
"pthread_mutexattr_destroy", status);
1977 status = pthread_condattr_init(&cond_attr);
1978 KMP_CHECK_SYSFAIL(
"pthread_condattr_init", status);
1979 status = pthread_cond_init(&__kmp_wait_cv.c_cond, &cond_attr);
1980 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
1981 status = pthread_condattr_destroy(&cond_attr);
1982 KMP_CHECK_SYSFAIL(
"pthread_condattr_destroy", status);
1984 __kmp_itt_initialize();
1987 __kmp_init_runtime = TRUE;
1990void __kmp_runtime_destroy(
void) {
1993 if (!__kmp_init_runtime) {
1998 __kmp_itt_destroy();
2001 status = pthread_key_delete(__kmp_gtid_threadprivate_key);
2002 KMP_CHECK_SYSFAIL(
"pthread_key_delete", status);
2004 status = pthread_mutex_destroy(&__kmp_wait_mx.m_mutex);
2005 if (status != 0 && status != EBUSY) {
2006 KMP_SYSFAIL(
"pthread_mutex_destroy", status);
2008 status = pthread_cond_destroy(&__kmp_wait_cv.c_cond);
2009 if (status != 0 && status != EBUSY) {
2010 KMP_SYSFAIL(
"pthread_cond_destroy", status);
2012#if KMP_AFFINITY_SUPPORTED
2013 __kmp_affinity_uninitialize();
2016 __kmp_init_runtime = FALSE;
2021void __kmp_thread_sleep(
int millis) { sleep((millis + 500) / 1000); }
2024void __kmp_elapsed(
double *t) {
2029 status = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
2030 KMP_CHECK_SYSFAIL_ERRNO(
"clock_gettime", status);
2032 (double)ts.tv_nsec * (1.0 / (
double)KMP_NSEC_PER_SEC) + (
double)ts.tv_sec;
2036 status = gettimeofday(&tv, NULL);
2037 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
2039 (double)tv.tv_usec * (1.0 / (
double)KMP_USEC_PER_SEC) + (
double)tv.tv_sec;
2044void __kmp_elapsed_tick(
double *t) { *t = 1 / (double)CLOCKS_PER_SEC; }
2047kmp_uint64 __kmp_now_nsec() {
2049 gettimeofday(&t, NULL);
2050 kmp_uint64 nsec = (kmp_uint64)KMP_NSEC_PER_SEC * (kmp_uint64)t.tv_sec +
2051 (kmp_uint64)1000 * (kmp_uint64)t.tv_usec;
2055#if KMP_ARCH_X86 || KMP_ARCH_X86_64
2057void __kmp_initialize_system_tick() {
2058 kmp_uint64 now, nsec2, diff;
2059 kmp_uint64 delay = 1000000;
2060 kmp_uint64 nsec = __kmp_now_nsec();
2061 kmp_uint64 goal = __kmp_hardware_timestamp() + delay;
2062 while ((now = __kmp_hardware_timestamp()) < goal)
2064 nsec2 = __kmp_now_nsec();
2065 diff = nsec2 - nsec;
2067 double tpus = 1000.0 * (double)(delay + (now - goal)) / (
double)diff;
2069 __kmp_ticks_per_msec = (kmp_uint64)(tpus * 1000.0);
2070 __kmp_ticks_per_usec = (kmp_uint64)tpus;
2079int __kmp_is_address_mapped(
void *addr) {
2084#if KMP_OS_LINUX || KMP_OS_HURD
2089 char *name = __kmp_str_format(
"/proc/%d/maps", getpid());
2092 file = fopen(name,
"r");
2093 KMP_ASSERT(file != NULL);
2097 void *beginning = NULL;
2098 void *ending = NULL;
2101 rc = fscanf(file,
"%p-%p %4s %*[^\n]\n", &beginning, &ending, perms);
2105 KMP_ASSERT(rc == 3 &&
2106 KMP_STRLEN(perms) == 4);
2109 if ((addr >= beginning) && (addr < ending)) {
2111 if (strcmp(perms,
"rw") == 0) {
2121 KMP_INTERNAL_FREE(name);
2125 int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_VMMAP, getpid()};
2126 rc = sysctl(mib, 4, NULL, &lstsz, NULL, 0);
2131 lstsz = lstsz * 4 / 3;
2132 buf =
reinterpret_cast<char *
>(kmpc_malloc(lstsz));
2133 rc = sysctl(mib, 4, buf, &lstsz, NULL, 0);
2140 char *up = buf + lstsz;
2143 struct kinfo_vmentry *cur =
reinterpret_cast<struct kinfo_vmentry *
>(lw);
2144 size_t cursz = cur->kve_structsize;
2147 void *start =
reinterpret_cast<void *
>(cur->kve_start);
2148 void *end =
reinterpret_cast<void *
>(cur->kve_end);
2150 if ((addr >= start) && (addr < end)) {
2151 if ((cur->kve_protection & KVME_PROT_READ) != 0 &&
2152 (cur->kve_protection & KVME_PROT_WRITE) != 0) {
2168 rc = vm_read_overwrite(
2170 (vm_address_t)(addr),
2172 (vm_address_t)(&buffer),
2185 mib[2] = VM_PROC_MAP;
2187 mib[4] =
sizeof(
struct kinfo_vmentry);
2190 rc = sysctl(mib, __arraycount(mib), NULL, &size, NULL, 0);
2194 size = size * 4 / 3;
2195 struct kinfo_vmentry *kiv = (
struct kinfo_vmentry *)KMP_INTERNAL_MALLOC(size);
2198 rc = sysctl(mib, __arraycount(mib), kiv, &size, NULL, 0);
2202 for (
size_t i = 0; i < size; i++) {
2203 if (kiv[i].kve_start >= (uint64_t)addr &&
2204 kiv[i].kve_end <= (uint64_t)addr) {
2209 KMP_INTERNAL_FREE(kiv);
2214 mib[1] = KERN_PROC_VMMAP;
2219 rc = sysctl(mib, 3, NULL, &size, NULL, 0);
2224 struct kinfo_vmentry kiv = {.kve_start = 0};
2226 while ((rc = sysctl(mib, 3, &kiv, &size, NULL, 0)) == 0) {
2228 if (kiv.kve_end == end)
2231 if (kiv.kve_start >= (uint64_t)addr && kiv.kve_end <= (uint64_t)addr) {
2238 found = (int)addr < (__builtin_wasm_memory_size(0) * PAGESIZE);
2239#elif KMP_OS_DRAGONFLY || KMP_OS_SOLARIS || KMP_OS_AIX
2247#error "Unknown or unsupported OS"
2255#ifdef USE_LOAD_BALANCE
2257#if KMP_OS_DARWIN || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
2258 KMP_OS_OPENBSD || KMP_OS_SOLARIS
2265int __kmp_get_load_balance(
int max) {
2269 int res = getloadavg(averages, 3);
2274 if (__kmp_load_balance_interval < 180 && (res >= 1)) {
2275 ret_avg = (int)averages[0];
2276 }
else if ((__kmp_load_balance_interval >= 180 &&
2277 __kmp_load_balance_interval < 600) &&
2279 ret_avg = (int)averages[1];
2280 }
else if ((__kmp_load_balance_interval >= 600) && (res == 3)) {
2281 ret_avg = (int)averages[2];
2295int __kmp_get_load_balance(
int max) {
2296 static int permanent_error = 0;
2297 static int glb_running_threads = 0;
2299 static double glb_call_time = 0;
2301 int running_threads = 0;
2303 DIR *proc_dir = NULL;
2304 struct dirent *proc_entry = NULL;
2306 kmp_str_buf_t task_path;
2307 DIR *task_dir = NULL;
2308 struct dirent *task_entry = NULL;
2309 int task_path_fixed_len;
2311 kmp_str_buf_t stat_path;
2313 int stat_path_fixed_len;
2316 int total_processes = 0;
2319 double call_time = 0.0;
2321 __kmp_str_buf_init(&task_path);
2322 __kmp_str_buf_init(&stat_path);
2324 __kmp_elapsed(&call_time);
2326 if (glb_call_time &&
2327 (call_time - glb_call_time < __kmp_load_balance_interval)) {
2328 running_threads = glb_running_threads;
2332 glb_call_time = call_time;
2335 if (permanent_error) {
2336 running_threads = -1;
2345 proc_dir = opendir(
"/proc");
2346 if (proc_dir == NULL) {
2349 running_threads = -1;
2350 permanent_error = 1;
2355 __kmp_str_buf_cat(&task_path,
"/proc/", 6);
2356 task_path_fixed_len = task_path.used;
2358 proc_entry = readdir(proc_dir);
2359 while (proc_entry != NULL) {
2362 if (isdigit(proc_entry->d_name[0])) {
2366 if (proc_entry->d_type == DT_DIR && isdigit(proc_entry->d_name[0])) {
2377 KMP_DEBUG_ASSERT(total_processes != 1 ||
2378 strcmp(proc_entry->d_name,
"1") == 0);
2381 task_path.used = task_path_fixed_len;
2382 __kmp_str_buf_cat(&task_path, proc_entry->d_name,
2383 KMP_STRLEN(proc_entry->d_name));
2384 __kmp_str_buf_cat(&task_path,
"/task", 5);
2386 task_dir = opendir(task_path.str);
2387 if (task_dir == NULL) {
2396 if (strcmp(proc_entry->d_name,
"1") == 0) {
2397 running_threads = -1;
2398 permanent_error = 1;
2403 __kmp_str_buf_clear(&stat_path);
2404 __kmp_str_buf_cat(&stat_path, task_path.str, task_path.used);
2405 __kmp_str_buf_cat(&stat_path,
"/", 1);
2406 stat_path_fixed_len = stat_path.used;
2408 task_entry = readdir(task_dir);
2409 while (task_entry != NULL) {
2412 if (isdigit(task_entry->d_name[0])) {
2414 if (proc_entry->d_type == DT_DIR && isdigit(task_entry->d_name[0])) {
2422 stat_path_fixed_len;
2423 __kmp_str_buf_cat(&stat_path, task_entry->d_name,
2424 KMP_STRLEN(task_entry->d_name));
2425 __kmp_str_buf_cat(&stat_path,
"/stat", 5);
2429 stat_file = open(stat_path.str, O_RDONLY);
2430 if (stat_file == -1) {
2460 len = read(stat_file, buffer,
sizeof(buffer) - 1);
2467 char *close_parent = strstr(buffer,
") ");
2468 if (close_parent != NULL) {
2469 char state = *(close_parent + 2);
2472 if (running_threads >= max) {
2482 task_entry = readdir(task_dir);
2488 proc_entry = readdir(proc_dir);
2494 KMP_DEBUG_ASSERT(running_threads > 0);
2495 if (running_threads <= 0) {
2496 running_threads = 1;
2500 if (proc_dir != NULL) {
2503 __kmp_str_buf_free(&task_path);
2504 if (task_dir != NULL) {
2507 __kmp_str_buf_free(&stat_path);
2508 if (stat_file != -1) {
2512 glb_running_threads = running_threads;
2514 return running_threads;
2522#if !(KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_MIC || \
2523 ((KMP_OS_LINUX || KMP_OS_DARWIN) && KMP_ARCH_AARCH64) || \
2524 KMP_ARCH_PPC64 || KMP_ARCH_RISCV64 || KMP_ARCH_LOONGARCH64 || \
2525 KMP_ARCH_ARM || KMP_ARCH_VE || KMP_ARCH_S390X || KMP_ARCH_PPC_XCOFF)
2529int __kmp_invoke_microtask(microtask_t pkfn,
int gtid,
int tid,
int argc,
2533 void **exit_frame_ptr
2537 *exit_frame_ptr = OMPT_GET_FRAME_ADDRESS(0);
2542 fprintf(stderr,
"Too many args to microtask: %d!\n", argc);
2546 (*pkfn)(>id, &tid);
2549 (*pkfn)(>id, &tid, p_argv[0]);
2552 (*pkfn)(>id, &tid, p_argv[0], p_argv[1]);
2555 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2]);
2558 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3]);
2561 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4]);
2564 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2568 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2569 p_argv[5], p_argv[6]);
2572 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2573 p_argv[5], p_argv[6], p_argv[7]);
2576 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2577 p_argv[5], p_argv[6], p_argv[7], p_argv[8]);
2580 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2581 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9]);
2584 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2585 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10]);
2588 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2589 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2593 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2594 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2595 p_argv[11], p_argv[12]);
2598 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2599 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2600 p_argv[11], p_argv[12], p_argv[13]);
2603 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2604 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2605 p_argv[11], p_argv[12], p_argv[13], p_argv[14]);
2618pthread_cond_t hidden_helper_threads_initz_cond_var;
2619pthread_mutex_t hidden_helper_threads_initz_lock;
2620volatile int hidden_helper_initz_signaled = FALSE;
2623pthread_cond_t hidden_helper_threads_deinitz_cond_var;
2624pthread_mutex_t hidden_helper_threads_deinitz_lock;
2625volatile int hidden_helper_deinitz_signaled = FALSE;
2628pthread_cond_t hidden_helper_main_thread_cond_var;
2629pthread_mutex_t hidden_helper_main_thread_lock;
2630volatile int hidden_helper_main_thread_signaled = FALSE;
2635sem_t hidden_helper_task_sem;
2638void __kmp_hidden_helper_worker_thread_wait() {
2639 int status = sem_wait(&hidden_helper_task_sem);
2640 KMP_CHECK_SYSFAIL(
"sem_wait", status);
2643void __kmp_do_initialize_hidden_helper_threads() {
2646 pthread_cond_init(&hidden_helper_threads_initz_cond_var,
nullptr);
2647 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2649 status = pthread_cond_init(&hidden_helper_threads_deinitz_cond_var,
nullptr);
2650 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2652 status = pthread_cond_init(&hidden_helper_main_thread_cond_var,
nullptr);
2653 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2655 status = pthread_mutex_init(&hidden_helper_threads_initz_lock,
nullptr);
2656 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2658 status = pthread_mutex_init(&hidden_helper_threads_deinitz_lock,
nullptr);
2659 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2661 status = pthread_mutex_init(&hidden_helper_main_thread_lock,
nullptr);
2662 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2665 status = sem_init(&hidden_helper_task_sem, 0, 0);
2666 KMP_CHECK_SYSFAIL(
"sem_init", status);
2670 status = pthread_create(
2672 [](
void *) ->
void * {
2673 __kmp_hidden_helper_threads_initz_routine();
2677 KMP_CHECK_SYSFAIL(
"pthread_create", status);
2680void __kmp_hidden_helper_threads_initz_wait() {
2683 int status = pthread_mutex_lock(&hidden_helper_threads_initz_lock);
2684 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2686 if (!TCR_4(hidden_helper_initz_signaled)) {
2687 status = pthread_cond_wait(&hidden_helper_threads_initz_cond_var,
2688 &hidden_helper_threads_initz_lock);
2689 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2692 status = pthread_mutex_unlock(&hidden_helper_threads_initz_lock);
2693 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2696void __kmp_hidden_helper_initz_release() {
2698 int status = pthread_mutex_lock(&hidden_helper_threads_initz_lock);
2699 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2701 status = pthread_cond_signal(&hidden_helper_threads_initz_cond_var);
2702 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2704 TCW_SYNC_4(hidden_helper_initz_signaled, TRUE);
2706 status = pthread_mutex_unlock(&hidden_helper_threads_initz_lock);
2707 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2710void __kmp_hidden_helper_main_thread_wait() {
2713 int status = pthread_mutex_lock(&hidden_helper_main_thread_lock);
2714 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2716 if (!TCR_4(hidden_helper_main_thread_signaled)) {
2717 status = pthread_cond_wait(&hidden_helper_main_thread_cond_var,
2718 &hidden_helper_main_thread_lock);
2719 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2722 status = pthread_mutex_unlock(&hidden_helper_main_thread_lock);
2723 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2726void __kmp_hidden_helper_main_thread_release() {
2729 int status = pthread_mutex_lock(&hidden_helper_main_thread_lock);
2730 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2732 status = pthread_cond_signal(&hidden_helper_main_thread_cond_var);
2733 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
2736 TCW_SYNC_4(hidden_helper_main_thread_signaled, TRUE);
2738 status = pthread_mutex_unlock(&hidden_helper_main_thread_lock);
2739 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2742void __kmp_hidden_helper_worker_thread_signal() {
2743 int status = sem_post(&hidden_helper_task_sem);
2744 KMP_CHECK_SYSFAIL(
"sem_post", status);
2747void __kmp_hidden_helper_threads_deinitz_wait() {
2750 int status = pthread_mutex_lock(&hidden_helper_threads_deinitz_lock);
2751 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2753 if (!TCR_4(hidden_helper_deinitz_signaled)) {
2754 status = pthread_cond_wait(&hidden_helper_threads_deinitz_cond_var,
2755 &hidden_helper_threads_deinitz_lock);
2756 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2759 status = pthread_mutex_unlock(&hidden_helper_threads_deinitz_lock);
2760 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2763void __kmp_hidden_helper_threads_deinitz_release() {
2764 int status = pthread_mutex_lock(&hidden_helper_threads_deinitz_lock);
2765 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2767 status = pthread_cond_signal(&hidden_helper_threads_deinitz_cond_var);
2768 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2770 TCW_SYNC_4(hidden_helper_deinitz_signaled, TRUE);
2772 status = pthread_mutex_unlock(&hidden_helper_threads_deinitz_lock);
2773 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2776void __kmp_hidden_helper_worker_thread_wait() {
2777 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2780void __kmp_do_initialize_hidden_helper_threads() {
2781 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2784void __kmp_hidden_helper_threads_initz_wait() {
2785 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2788void __kmp_hidden_helper_initz_release() {
2789 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2792void __kmp_hidden_helper_main_thread_wait() {
2793 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2796void __kmp_hidden_helper_main_thread_release() {
2797 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2800void __kmp_hidden_helper_worker_thread_signal() {
2801 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2804void __kmp_hidden_helper_threads_deinitz_wait() {
2805 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2808void __kmp_hidden_helper_threads_deinitz_release() {
2809 KMP_ASSERT(0 &&
"Hidden helper task is not supported on this OS");
2813bool __kmp_detect_shm() {
2814 DIR *dir = opendir(
"/dev/shm");
2818 }
else if (ENOENT == errno) {
2825bool __kmp_detect_tmp() {
2826 DIR *dir = opendir(
"/tmp");
2830 }
else if (ENOENT == errno) {
#define KMP_INIT_PARTITIONED_TIMERS(name)
Initializes the partitioned timers to begin with name.