14 #include "kmp_affinity.h"
19 #include "kmp_stats.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
28 #include <semaphore.h>
29 #include <sys/resource.h>
30 #include <sys/syscall.h>
32 #include <sys/times.h>
36 #include <sys/sysinfo.h>
51 #include <mach/mach.h>
52 #include <sys/sysctl.h>
53 #elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD
54 #include <sys/types.h>
55 #include <sys/sysctl.h>
57 #include <pthread_np.h>
58 #elif KMP_OS_NETBSD || KMP_OS_OPENBSD
59 #include <sys/types.h>
60 #include <sys/sysctl.h>
67 #include "tsan_annotations.h"
69 struct kmp_sys_timer {
70 struct timespec start;
74 #define TS2NS(timespec) \
75 (((timespec).tv_sec * (long int)1e9) + (timespec).tv_nsec)
77 static struct kmp_sys_timer __kmp_sys_timer_data;
79 #if KMP_HANDLE_SIGNALS
80 typedef void (*sig_func_t)(int);
81 STATIC_EFI2_WORKAROUND
struct sigaction __kmp_sighldrs[NSIG];
82 static sigset_t __kmp_sigset;
85 static int __kmp_init_runtime = FALSE;
87 static int __kmp_fork_count = 0;
89 static pthread_condattr_t __kmp_suspend_cond_attr;
90 static pthread_mutexattr_t __kmp_suspend_mutex_attr;
92 static kmp_cond_align_t __kmp_wait_cv;
93 static kmp_mutex_align_t __kmp_wait_mx;
95 kmp_uint64 __kmp_ticks_per_msec = 1000000;
98 static void __kmp_print_cond(
char *buffer, kmp_cond_align_t *cond) {
99 KMP_SNPRINTF(buffer, 128,
"(cond (lock (%ld, %d)), (descr (%p)))",
100 cond->c_cond.__c_lock.__status, cond->c_cond.__c_lock.__spinlock,
101 cond->c_cond.__c_waiting);
105 #if ((KMP_OS_LINUX || KMP_OS_FREEBSD) && KMP_AFFINITY_SUPPORTED)
109 void __kmp_affinity_bind_thread(
int which) {
110 KMP_ASSERT2(KMP_AFFINITY_CAPABLE(),
111 "Illegal set affinity operation when not capable");
113 kmp_affin_mask_t *mask;
114 KMP_CPU_ALLOC_ON_STACK(mask);
116 KMP_CPU_SET(which, mask);
117 __kmp_set_system_affinity(mask, TRUE);
118 KMP_CPU_FREE_FROM_STACK(mask);
124 void __kmp_affinity_determine_capable(
const char *env_var) {
128 #define KMP_CPU_SET_SIZE_LIMIT (1024 * 1024)
130 #define KMP_CPU_SET_SIZE_LIMIT (sizeof(cpuset_t))
141 buf = (
unsigned char *)KMP_INTERNAL_MALLOC(KMP_CPU_SET_SIZE_LIMIT);
142 gCode = syscall(__NR_sched_getaffinity, 0, KMP_CPU_SET_SIZE_LIMIT, buf);
143 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
144 "initial getaffinity call returned %ld errno = %d\n",
150 if (__kmp_affinity_verbose ||
151 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none) &&
152 (__kmp_affinity_type != affinity_default) &&
153 (__kmp_affinity_type != affinity_disabled))) {
155 kmp_msg_t err_code = KMP_ERR(error);
156 __kmp_msg(kmp_ms_warning, KMP_MSG(GetAffSysCallNotSupported, env_var),
157 err_code, __kmp_msg_null);
158 if (__kmp_generate_warnings == kmp_warnings_off) {
159 __kmp_str_free(&err_code.str);
162 KMP_AFFINITY_DISABLE();
163 KMP_INTERNAL_FREE(buf);
171 sCode = syscall(__NR_sched_setaffinity, 0, gCode, NULL);
172 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
173 "setaffinity for mask size %ld returned %ld errno = %d\n",
174 gCode, sCode, errno));
176 if (errno == ENOSYS) {
177 if (__kmp_affinity_verbose ||
178 (__kmp_affinity_warnings &&
179 (__kmp_affinity_type != affinity_none) &&
180 (__kmp_affinity_type != affinity_default) &&
181 (__kmp_affinity_type != affinity_disabled))) {
183 kmp_msg_t err_code = KMP_ERR(error);
184 __kmp_msg(kmp_ms_warning, KMP_MSG(SetAffSysCallNotSupported, env_var),
185 err_code, __kmp_msg_null);
186 if (__kmp_generate_warnings == kmp_warnings_off) {
187 __kmp_str_free(&err_code.str);
190 KMP_AFFINITY_DISABLE();
191 KMP_INTERNAL_FREE(buf);
193 if (errno == EFAULT) {
194 KMP_AFFINITY_ENABLE(gCode);
195 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
196 "affinity supported (mask size %d)\n",
197 (
int)__kmp_affin_mask_size));
198 KMP_INTERNAL_FREE(buf);
206 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
207 "searching for proper set size\n"));
209 for (size = 1; size <= KMP_CPU_SET_SIZE_LIMIT; size *= 2) {
210 gCode = syscall(__NR_sched_getaffinity, 0, size, buf);
211 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
212 "getaffinity for mask size %ld returned %ld errno = %d\n",
213 size, gCode, errno));
216 if (errno == ENOSYS) {
218 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
219 "inconsistent OS call behavior: errno == ENOSYS for mask "
222 if (__kmp_affinity_verbose ||
223 (__kmp_affinity_warnings &&
224 (__kmp_affinity_type != affinity_none) &&
225 (__kmp_affinity_type != affinity_default) &&
226 (__kmp_affinity_type != affinity_disabled))) {
228 kmp_msg_t err_code = KMP_ERR(error);
229 __kmp_msg(kmp_ms_warning, KMP_MSG(GetAffSysCallNotSupported, env_var),
230 err_code, __kmp_msg_null);
231 if (__kmp_generate_warnings == kmp_warnings_off) {
232 __kmp_str_free(&err_code.str);
235 KMP_AFFINITY_DISABLE();
236 KMP_INTERNAL_FREE(buf);
242 sCode = syscall(__NR_sched_setaffinity, 0, gCode, NULL);
243 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
244 "setaffinity for mask size %ld returned %ld errno = %d\n",
245 gCode, sCode, errno));
247 if (errno == ENOSYS) {
249 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
250 "inconsistent OS call behavior: errno == ENOSYS for mask "
253 if (__kmp_affinity_verbose ||
254 (__kmp_affinity_warnings &&
255 (__kmp_affinity_type != affinity_none) &&
256 (__kmp_affinity_type != affinity_default) &&
257 (__kmp_affinity_type != affinity_disabled))) {
259 kmp_msg_t err_code = KMP_ERR(error);
260 __kmp_msg(kmp_ms_warning, KMP_MSG(SetAffSysCallNotSupported, env_var),
261 err_code, __kmp_msg_null);
262 if (__kmp_generate_warnings == kmp_warnings_off) {
263 __kmp_str_free(&err_code.str);
266 KMP_AFFINITY_DISABLE();
267 KMP_INTERNAL_FREE(buf);
270 if (errno == EFAULT) {
271 KMP_AFFINITY_ENABLE(gCode);
272 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
273 "affinity supported (mask size %d)\n",
274 (
int)__kmp_affin_mask_size));
275 KMP_INTERNAL_FREE(buf);
283 buf = (
unsigned char *)KMP_INTERNAL_MALLOC(KMP_CPU_SET_SIZE_LIMIT);
284 gCode = pthread_getaffinity_np(pthread_self(), KMP_CPU_SET_SIZE_LIMIT,
reinterpret_cast<cpuset_t *
>(buf));
285 KA_TRACE(30, (
"__kmp_affinity_determine_capable: "
286 "initial getaffinity call returned %d errno = %d\n",
289 KMP_AFFINITY_ENABLE(KMP_CPU_SET_SIZE_LIMIT);
290 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
291 "affinity supported (mask size %d)\n",
292 (
int)__kmp_affin_mask_size));
293 KMP_INTERNAL_FREE(buf);
299 KMP_INTERNAL_FREE(buf);
304 KMP_AFFINITY_DISABLE();
305 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
306 "cannot determine mask size - affinity not supported\n"));
307 if (__kmp_affinity_verbose ||
308 (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none) &&
309 (__kmp_affinity_type != affinity_default) &&
310 (__kmp_affinity_type != affinity_disabled))) {
311 KMP_WARNING(AffCantGetMaskSize, env_var);
319 int __kmp_futex_determine_capable() {
321 long rc = syscall(__NR_futex, &loc, FUTEX_WAKE, 1, NULL, NULL, 0);
322 int retval = (rc == 0) || (errno != ENOSYS);
325 (
"__kmp_futex_determine_capable: rc = %d errno = %d\n", rc, errno));
326 KA_TRACE(10, (
"__kmp_futex_determine_capable: futex syscall%s supported\n",
327 retval ?
"" :
" not"));
334 #if (KMP_ARCH_X86 || KMP_ARCH_X86_64) && (!KMP_ASM_INTRINS)
338 kmp_int8 __kmp_test_then_or8(
volatile kmp_int8 *p, kmp_int8 d) {
339 kmp_int8 old_value, new_value;
341 old_value = TCR_1(*p);
342 new_value = old_value | d;
344 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
346 old_value = TCR_1(*p);
347 new_value = old_value | d;
352 kmp_int8 __kmp_test_then_and8(
volatile kmp_int8 *p, kmp_int8 d) {
353 kmp_int8 old_value, new_value;
355 old_value = TCR_1(*p);
356 new_value = old_value & d;
358 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
360 old_value = TCR_1(*p);
361 new_value = old_value & d;
366 kmp_uint32 __kmp_test_then_or32(
volatile kmp_uint32 *p, kmp_uint32 d) {
367 kmp_uint32 old_value, new_value;
369 old_value = TCR_4(*p);
370 new_value = old_value | d;
372 while (!KMP_COMPARE_AND_STORE_REL32(p, old_value, new_value)) {
374 old_value = TCR_4(*p);
375 new_value = old_value | d;
380 kmp_uint32 __kmp_test_then_and32(
volatile kmp_uint32 *p, kmp_uint32 d) {
381 kmp_uint32 old_value, new_value;
383 old_value = TCR_4(*p);
384 new_value = old_value & d;
386 while (!KMP_COMPARE_AND_STORE_REL32(p, old_value, new_value)) {
388 old_value = TCR_4(*p);
389 new_value = old_value & d;
395 kmp_int8 __kmp_test_then_add8(
volatile kmp_int8 *p, kmp_int8 d) {
396 kmp_int8 old_value, new_value;
398 old_value = TCR_1(*p);
399 new_value = old_value + d;
401 while (!KMP_COMPARE_AND_STORE_REL8(p, old_value, new_value)) {
403 old_value = TCR_1(*p);
404 new_value = old_value + d;
409 kmp_int64 __kmp_test_then_add64(
volatile kmp_int64 *p, kmp_int64 d) {
410 kmp_int64 old_value, new_value;
412 old_value = TCR_8(*p);
413 new_value = old_value + d;
415 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
417 old_value = TCR_8(*p);
418 new_value = old_value + d;
424 kmp_uint64 __kmp_test_then_or64(
volatile kmp_uint64 *p, kmp_uint64 d) {
425 kmp_uint64 old_value, new_value;
427 old_value = TCR_8(*p);
428 new_value = old_value | d;
429 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
431 old_value = TCR_8(*p);
432 new_value = old_value | d;
437 kmp_uint64 __kmp_test_then_and64(
volatile kmp_uint64 *p, kmp_uint64 d) {
438 kmp_uint64 old_value, new_value;
440 old_value = TCR_8(*p);
441 new_value = old_value & d;
442 while (!KMP_COMPARE_AND_STORE_REL64(p, old_value, new_value)) {
444 old_value = TCR_8(*p);
445 new_value = old_value & d;
452 void __kmp_terminate_thread(
int gtid) {
454 kmp_info_t *th = __kmp_threads[gtid];
459 #ifdef KMP_CANCEL_THREADS
460 KA_TRACE(10, (
"__kmp_terminate_thread: kill (%d)\n", gtid));
461 status = pthread_cancel(th->th.th_info.ds.ds_thread);
462 if (status != 0 && status != ESRCH) {
463 __kmp_fatal(KMP_MSG(CantTerminateWorkerThread), KMP_ERR(status),
474 static kmp_int32 __kmp_set_stack_info(
int gtid, kmp_info_t *th) {
476 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
486 if (!KMP_UBER_GTID(gtid)) {
489 status = pthread_attr_init(&attr);
490 KMP_CHECK_SYSFAIL(
"pthread_attr_init", status);
491 #if KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD
492 status = pthread_attr_get_np(pthread_self(), &attr);
493 KMP_CHECK_SYSFAIL(
"pthread_attr_get_np", status);
495 status = pthread_getattr_np(pthread_self(), &attr);
496 KMP_CHECK_SYSFAIL(
"pthread_getattr_np", status);
498 status = pthread_attr_getstack(&attr, &addr, &size);
499 KMP_CHECK_SYSFAIL(
"pthread_attr_getstack", status);
501 (
"__kmp_set_stack_info: T#%d pthread_attr_getstack returned size:"
502 " %lu, low addr: %p\n",
504 status = pthread_attr_destroy(&attr);
505 KMP_CHECK_SYSFAIL(
"pthread_attr_destroy", status);
508 if (size != 0 && addr != 0) {
510 TCW_PTR(th->th.th_info.ds.ds_stackbase, (((
char *)addr) + size));
511 TCW_PTR(th->th.th_info.ds.ds_stacksize, size);
512 TCW_4(th->th.th_info.ds.ds_stackgrow, FALSE);
518 TCW_PTR(th->th.th_info.ds.ds_stacksize, 0);
519 TCW_PTR(th->th.th_info.ds.ds_stackbase, &stack_data);
520 TCW_4(th->th.th_info.ds.ds_stackgrow, TRUE);
524 static void *__kmp_launch_worker(
void *thr) {
525 int status, old_type, old_state;
526 #ifdef KMP_BLOCK_SIGNALS
527 sigset_t new_set, old_set;
530 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
531 KMP_OS_OPENBSD || KMP_OS_HURD
532 void *
volatile padding = 0;
536 gtid = ((kmp_info_t *)thr)->th.th_info.ds.ds_gtid;
537 __kmp_gtid_set_specific(gtid);
538 #ifdef KMP_TDATA_GTID
541 #if KMP_STATS_ENABLED
543 __kmp_stats_thread_ptr = ((kmp_info_t *)thr)->th.th_stats;
544 __kmp_stats_thread_ptr->startLife();
545 KMP_SET_THREAD_STATE(IDLE);
550 __kmp_itt_thread_name(gtid);
553 #if KMP_AFFINITY_SUPPORTED
554 __kmp_affinity_set_init_mask(gtid, FALSE);
557 #ifdef KMP_CANCEL_THREADS
558 status = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old_type);
559 KMP_CHECK_SYSFAIL(
"pthread_setcanceltype", status);
561 status = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_state);
562 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
565 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
567 __kmp_clear_x87_fpu_status_word();
568 __kmp_load_x87_fpu_control_word(&__kmp_init_x87_fpu_control_word);
569 __kmp_load_mxcsr(&__kmp_init_mxcsr);
572 #ifdef KMP_BLOCK_SIGNALS
573 status = sigfillset(&new_set);
574 KMP_CHECK_SYSFAIL_ERRNO(
"sigfillset", status);
575 status = pthread_sigmask(SIG_BLOCK, &new_set, &old_set);
576 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
579 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
581 if (__kmp_stkoffset > 0 && gtid > 0) {
582 padding = KMP_ALLOCA(gtid * __kmp_stkoffset);
587 __kmp_set_stack_info(gtid, (kmp_info_t *)thr);
589 __kmp_check_stack_overlap((kmp_info_t *)thr);
591 exit_val = __kmp_launch_thread((kmp_info_t *)thr);
593 #ifdef KMP_BLOCK_SIGNALS
594 status = pthread_sigmask(SIG_SETMASK, &old_set, NULL);
595 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
604 static void *__kmp_launch_monitor(
void *thr) {
605 int status, old_type, old_state;
606 #ifdef KMP_BLOCK_SIGNALS
609 struct timespec interval;
613 KA_TRACE(10, (
"__kmp_launch_monitor: #1 launched\n"));
616 __kmp_gtid_set_specific(KMP_GTID_MONITOR);
617 #ifdef KMP_TDATA_GTID
618 __kmp_gtid = KMP_GTID_MONITOR;
625 __kmp_itt_thread_ignore();
628 __kmp_set_stack_info(((kmp_info_t *)thr)->th.th_info.ds.ds_gtid,
631 __kmp_check_stack_overlap((kmp_info_t *)thr);
633 #ifdef KMP_CANCEL_THREADS
634 status = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old_type);
635 KMP_CHECK_SYSFAIL(
"pthread_setcanceltype", status);
637 status = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_state);
638 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
641 #if KMP_REAL_TIME_FIX
646 int sched = sched_getscheduler(0);
647 if (sched == SCHED_FIFO || sched == SCHED_RR) {
650 struct sched_param param;
651 int max_priority = sched_get_priority_max(sched);
653 KMP_WARNING(RealTimeSchedNotSupported);
654 sched_getparam(0, ¶m);
655 if (param.sched_priority < max_priority) {
656 param.sched_priority += 1;
657 rc = sched_setscheduler(0, sched, ¶m);
660 kmp_msg_t err_code = KMP_ERR(error);
661 __kmp_msg(kmp_ms_warning, KMP_MSG(CantChangeMonitorPriority),
662 err_code, KMP_MSG(MonitorWillStarve), __kmp_msg_null);
663 if (__kmp_generate_warnings == kmp_warnings_off) {
664 __kmp_str_free(&err_code.str);
671 __kmp_msg(kmp_ms_warning, KMP_MSG(RunningAtMaxPriority),
672 KMP_MSG(MonitorWillStarve), KMP_HNT(RunningAtMaxPriority),
677 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
683 if (__kmp_monitor_wakeups == 1) {
685 interval.tv_nsec = 0;
688 interval.tv_nsec = (KMP_NSEC_PER_SEC / __kmp_monitor_wakeups);
691 KA_TRACE(10, (
"__kmp_launch_monitor: #2 monitor\n"));
693 while (!TCR_4(__kmp_global.g.g_done)) {
699 KA_TRACE(15, (
"__kmp_launch_monitor: update\n"));
701 status = gettimeofday(&tval, NULL);
702 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
703 TIMEVAL_TO_TIMESPEC(&tval, &now);
705 now.tv_sec += interval.tv_sec;
706 now.tv_nsec += interval.tv_nsec;
708 if (now.tv_nsec >= KMP_NSEC_PER_SEC) {
710 now.tv_nsec -= KMP_NSEC_PER_SEC;
713 status = pthread_mutex_lock(&__kmp_wait_mx.m_mutex);
714 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
716 if (!TCR_4(__kmp_global.g.g_done)) {
717 status = pthread_cond_timedwait(&__kmp_wait_cv.c_cond,
718 &__kmp_wait_mx.m_mutex, &now);
720 if (status != ETIMEDOUT && status != EINTR) {
721 KMP_SYSFAIL(
"pthread_cond_timedwait", status);
725 status = pthread_mutex_unlock(&__kmp_wait_mx.m_mutex);
726 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
728 TCW_4(__kmp_global.g.g_time.dt.t_value,
729 TCR_4(__kmp_global.g.g_time.dt.t_value) + 1);
734 KA_TRACE(10, (
"__kmp_launch_monitor: #3 cleanup\n"));
736 #ifdef KMP_BLOCK_SIGNALS
737 status = sigfillset(&new_set);
738 KMP_CHECK_SYSFAIL_ERRNO(
"sigfillset", status);
739 status = pthread_sigmask(SIG_UNBLOCK, &new_set, NULL);
740 KMP_CHECK_SYSFAIL(
"pthread_sigmask", status);
743 KA_TRACE(10, (
"__kmp_launch_monitor: #4 finished\n"));
745 if (__kmp_global.g.g_abort != 0) {
751 KA_TRACE(10, (
"__kmp_launch_monitor: #5 terminate sig=%d\n",
752 __kmp_global.g.g_abort));
757 for (gtid = 1; gtid < __kmp_threads_capacity; ++gtid)
758 __kmp_terminate_thread(gtid);
762 KA_TRACE(10, (
"__kmp_launch_monitor: #6 raise sig=%d\n",
763 __kmp_global.g.g_abort));
765 if (__kmp_global.g.g_abort > 0)
766 raise(__kmp_global.g.g_abort);
769 KA_TRACE(10, (
"__kmp_launch_monitor: #7 exit\n"));
775 void __kmp_create_worker(
int gtid, kmp_info_t *th,
size_t stack_size) {
777 pthread_attr_t thread_attr;
780 th->th.th_info.ds.ds_gtid = gtid;
782 #if KMP_STATS_ENABLED
784 __kmp_acquire_tas_lock(&__kmp_stats_lock, gtid);
790 if (!KMP_UBER_GTID(gtid)) {
791 th->th.th_stats = __kmp_stats_list->push_back(gtid);
795 th->th.th_stats = __kmp_stats_thread_ptr;
797 __kmp_release_tas_lock(&__kmp_stats_lock, gtid);
801 if (KMP_UBER_GTID(gtid)) {
802 KA_TRACE(10, (
"__kmp_create_worker: uber thread (%d)\n", gtid));
803 th->th.th_info.ds.ds_thread = pthread_self();
804 __kmp_set_stack_info(gtid, th);
805 __kmp_check_stack_overlap(th);
809 KA_TRACE(10, (
"__kmp_create_worker: try to create thread (%d)\n", gtid));
813 #ifdef KMP_THREAD_ATTR
814 status = pthread_attr_init(&thread_attr);
816 __kmp_fatal(KMP_MSG(CantInitThreadAttrs), KMP_ERR(status), __kmp_msg_null);
818 status = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
820 __kmp_fatal(KMP_MSG(CantSetWorkerState), KMP_ERR(status), __kmp_msg_null);
830 stack_size += gtid * __kmp_stkoffset * 2;
832 #if defined(__ANDROID__) && __ANDROID_API__ < 19
836 stack_size = (stack_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
839 KA_TRACE(10, (
"__kmp_create_worker: T#%d, default stacksize = %lu bytes, "
840 "__kmp_stksize = %lu bytes, final stacksize = %lu bytes\n",
841 gtid, KMP_DEFAULT_STKSIZE, __kmp_stksize, stack_size));
843 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
844 status = pthread_attr_setstacksize(&thread_attr, stack_size);
845 #ifdef KMP_BACKUP_STKSIZE
847 if (!__kmp_env_stksize) {
848 stack_size = KMP_BACKUP_STKSIZE + gtid * __kmp_stkoffset;
849 __kmp_stksize = KMP_BACKUP_STKSIZE;
850 KA_TRACE(10, (
"__kmp_create_worker: T#%d, default stacksize = %lu bytes, "
851 "__kmp_stksize = %lu bytes, (backup) final stacksize = %lu "
853 gtid, KMP_DEFAULT_STKSIZE, __kmp_stksize, stack_size));
854 status = pthread_attr_setstacksize(&thread_attr, stack_size);
859 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
860 KMP_HNT(ChangeWorkerStackSize), __kmp_msg_null);
867 pthread_create(&handle, &thread_attr, __kmp_launch_worker, (
void *)th);
868 if (status != 0 || !handle) {
869 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
870 if (status == EINVAL) {
871 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
872 KMP_HNT(IncreaseWorkerStackSize), __kmp_msg_null);
874 if (status == ENOMEM) {
875 __kmp_fatal(KMP_MSG(CantSetWorkerStackSize, stack_size), KMP_ERR(status),
876 KMP_HNT(DecreaseWorkerStackSize), __kmp_msg_null);
879 if (status == EAGAIN) {
880 __kmp_fatal(KMP_MSG(NoResourcesForWorkerThread), KMP_ERR(status),
881 KMP_HNT(Decrease_NUM_THREADS), __kmp_msg_null);
883 KMP_SYSFAIL(
"pthread_create", status);
886 th->th.th_info.ds.ds_thread = handle;
888 #ifdef KMP_THREAD_ATTR
889 status = pthread_attr_destroy(&thread_attr);
891 kmp_msg_t err_code = KMP_ERR(status);
892 __kmp_msg(kmp_ms_warning, KMP_MSG(CantDestroyThreadAttrs), err_code,
894 if (__kmp_generate_warnings == kmp_warnings_off) {
895 __kmp_str_free(&err_code.str);
902 KA_TRACE(10, (
"__kmp_create_worker: done creating thread (%d)\n", gtid));
907 void __kmp_create_monitor(kmp_info_t *th) {
909 pthread_attr_t thread_attr;
912 int auto_adj_size = FALSE;
914 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME) {
916 KA_TRACE(10, (
"__kmp_create_monitor: skipping monitor thread because of "
918 th->th.th_info.ds.ds_tid = 0;
919 th->th.th_info.ds.ds_gtid = 0;
922 KA_TRACE(10, (
"__kmp_create_monitor: try to create monitor\n"));
926 th->th.th_info.ds.ds_tid = KMP_GTID_MONITOR;
927 th->th.th_info.ds.ds_gtid = KMP_GTID_MONITOR;
928 #if KMP_REAL_TIME_FIX
929 TCW_4(__kmp_global.g.g_time.dt.t_value,
932 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
935 #ifdef KMP_THREAD_ATTR
936 if (__kmp_monitor_stksize == 0) {
937 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
938 auto_adj_size = TRUE;
940 status = pthread_attr_init(&thread_attr);
942 __kmp_fatal(KMP_MSG(CantInitThreadAttrs), KMP_ERR(status), __kmp_msg_null);
944 status = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
946 __kmp_fatal(KMP_MSG(CantSetMonitorState), KMP_ERR(status), __kmp_msg_null);
949 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
950 status = pthread_attr_getstacksize(&thread_attr, &size);
951 KMP_CHECK_SYSFAIL(
"pthread_attr_getstacksize", status);
953 size = __kmp_sys_min_stksize;
957 if (__kmp_monitor_stksize == 0) {
958 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
960 if (__kmp_monitor_stksize < __kmp_sys_min_stksize) {
961 __kmp_monitor_stksize = __kmp_sys_min_stksize;
964 KA_TRACE(10, (
"__kmp_create_monitor: default stacksize = %lu bytes,"
965 "requested stacksize = %lu bytes\n",
966 size, __kmp_monitor_stksize));
971 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
972 KA_TRACE(10, (
"__kmp_create_monitor: setting stacksize = %lu bytes,",
973 __kmp_monitor_stksize));
974 status = pthread_attr_setstacksize(&thread_attr, __kmp_monitor_stksize);
977 __kmp_monitor_stksize *= 2;
980 kmp_msg_t err_code = KMP_ERR(status);
981 __kmp_msg(kmp_ms_warning,
982 KMP_MSG(CantSetMonitorStackSize, (
long int)__kmp_monitor_stksize),
983 err_code, KMP_HNT(ChangeMonitorStackSize), __kmp_msg_null);
984 if (__kmp_generate_warnings == kmp_warnings_off) {
985 __kmp_str_free(&err_code.str);
991 pthread_create(&handle, &thread_attr, __kmp_launch_monitor, (
void *)th);
994 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
995 if (status == EINVAL) {
996 if (auto_adj_size && (__kmp_monitor_stksize < (
size_t)0x40000000)) {
997 __kmp_monitor_stksize *= 2;
1000 __kmp_fatal(KMP_MSG(CantSetMonitorStackSize, __kmp_monitor_stksize),
1001 KMP_ERR(status), KMP_HNT(IncreaseMonitorStackSize),
1004 if (status == ENOMEM) {
1005 __kmp_fatal(KMP_MSG(CantSetMonitorStackSize, __kmp_monitor_stksize),
1006 KMP_ERR(status), KMP_HNT(DecreaseMonitorStackSize),
1010 if (status == EAGAIN) {
1011 __kmp_fatal(KMP_MSG(NoResourcesForMonitorThread), KMP_ERR(status),
1012 KMP_HNT(DecreaseNumberOfThreadsInUse), __kmp_msg_null);
1014 KMP_SYSFAIL(
"pthread_create", status);
1017 th->th.th_info.ds.ds_thread = handle;
1019 #if KMP_REAL_TIME_FIX
1021 KMP_DEBUG_ASSERT(
sizeof(kmp_uint32) ==
1022 sizeof(__kmp_global.g.g_time.dt.t_value));
1023 __kmp_wait_4((kmp_uint32
volatile *)&__kmp_global.g.g_time.dt.t_value, -1,
1024 &__kmp_neq_4, NULL);
1027 #ifdef KMP_THREAD_ATTR
1028 status = pthread_attr_destroy(&thread_attr);
1030 kmp_msg_t err_code = KMP_ERR(status);
1031 __kmp_msg(kmp_ms_warning, KMP_MSG(CantDestroyThreadAttrs), err_code,
1033 if (__kmp_generate_warnings == kmp_warnings_off) {
1034 __kmp_str_free(&err_code.str);
1041 KA_TRACE(10, (
"__kmp_create_monitor: monitor created %#.8lx\n",
1042 th->th.th_info.ds.ds_thread));
1047 void __kmp_exit_thread(
int exit_status) {
1048 pthread_exit((
void *)(intptr_t)exit_status);
1052 void __kmp_resume_monitor();
1054 void __kmp_reap_monitor(kmp_info_t *th) {
1058 KA_TRACE(10, (
"__kmp_reap_monitor: try to reap monitor thread with handle"
1060 th->th.th_info.ds.ds_thread));
1065 KMP_DEBUG_ASSERT(th->th.th_info.ds.ds_tid == th->th.th_info.ds.ds_gtid);
1066 if (th->th.th_info.ds.ds_gtid != KMP_GTID_MONITOR) {
1067 KA_TRACE(10, (
"__kmp_reap_monitor: monitor did not start, returning\n"));
1077 status = pthread_kill(th->th.th_info.ds.ds_thread, 0);
1078 if (status != ESRCH) {
1079 __kmp_resume_monitor();
1081 KA_TRACE(10, (
"__kmp_reap_monitor: try to join with monitor\n"));
1082 status = pthread_join(th->th.th_info.ds.ds_thread, &exit_val);
1083 if (exit_val != th) {
1084 __kmp_fatal(KMP_MSG(ReapMonitorError), KMP_ERR(status), __kmp_msg_null);
1087 th->th.th_info.ds.ds_tid = KMP_GTID_DNE;
1088 th->th.th_info.ds.ds_gtid = KMP_GTID_DNE;
1090 KA_TRACE(10, (
"__kmp_reap_monitor: done reaping monitor thread with handle"
1092 th->th.th_info.ds.ds_thread));
1098 void __kmp_reap_worker(kmp_info_t *th) {
1105 10, (
"__kmp_reap_worker: try to reap T#%d\n", th->th.th_info.ds.ds_gtid));
1107 status = pthread_join(th->th.th_info.ds.ds_thread, &exit_val);
1111 __kmp_fatal(KMP_MSG(ReapWorkerError), KMP_ERR(status), __kmp_msg_null);
1113 if (exit_val != th) {
1114 KA_TRACE(10, (
"__kmp_reap_worker: worker T#%d did not reap properly, "
1116 th->th.th_info.ds.ds_gtid, exit_val));
1120 KA_TRACE(10, (
"__kmp_reap_worker: done reaping T#%d\n",
1121 th->th.th_info.ds.ds_gtid));
1126 #if KMP_HANDLE_SIGNALS
1128 static void __kmp_null_handler(
int signo) {
1132 static void __kmp_team_handler(
int signo) {
1133 if (__kmp_global.g.g_abort == 0) {
1136 __kmp_debug_printf(
"__kmp_team_handler: caught signal = %d\n", signo);
1151 if (__kmp_debug_buf) {
1152 __kmp_dump_debug_buffer();
1154 __kmp_unregister_library();
1156 TCW_4(__kmp_global.g.g_abort, signo);
1158 TCW_4(__kmp_global.g.g_done, TRUE);
1163 __kmp_debug_printf(
"__kmp_team_handler: unknown signal type");
1170 static void __kmp_sigaction(
int signum,
const struct sigaction *act,
1171 struct sigaction *oldact) {
1172 int rc = sigaction(signum, act, oldact);
1173 KMP_CHECK_SYSFAIL_ERRNO(
"sigaction", rc);
1176 static void __kmp_install_one_handler(
int sig, sig_func_t handler_func,
1177 int parallel_init) {
1180 (
"__kmp_install_one_handler( %d, ..., %d )\n", sig, parallel_init));
1181 if (parallel_init) {
1182 struct sigaction new_action;
1183 struct sigaction old_action;
1184 new_action.sa_handler = handler_func;
1185 new_action.sa_flags = 0;
1186 sigfillset(&new_action.sa_mask);
1187 __kmp_sigaction(sig, &new_action, &old_action);
1188 if (old_action.sa_handler == __kmp_sighldrs[sig].sa_handler) {
1189 sigaddset(&__kmp_sigset, sig);
1192 __kmp_sigaction(sig, &old_action, NULL);
1196 __kmp_sigaction(sig, NULL, &__kmp_sighldrs[sig]);
1201 static void __kmp_remove_one_handler(
int sig) {
1202 KB_TRACE(60, (
"__kmp_remove_one_handler( %d )\n", sig));
1203 if (sigismember(&__kmp_sigset, sig)) {
1204 struct sigaction old;
1206 __kmp_sigaction(sig, &__kmp_sighldrs[sig], &old);
1207 if ((old.sa_handler != __kmp_team_handler) &&
1208 (old.sa_handler != __kmp_null_handler)) {
1210 KB_TRACE(10, (
"__kmp_remove_one_handler: oops, not our handler, "
1211 "restoring: sig=%d\n",
1213 __kmp_sigaction(sig, &old, NULL);
1215 sigdelset(&__kmp_sigset, sig);
1220 void __kmp_install_signals(
int parallel_init) {
1221 KB_TRACE(10, (
"__kmp_install_signals( %d )\n", parallel_init));
1222 if (__kmp_handle_signals || !parallel_init) {
1225 sigemptyset(&__kmp_sigset);
1226 __kmp_install_one_handler(SIGHUP, __kmp_team_handler, parallel_init);
1227 __kmp_install_one_handler(SIGINT, __kmp_team_handler, parallel_init);
1228 __kmp_install_one_handler(SIGQUIT, __kmp_team_handler, parallel_init);
1229 __kmp_install_one_handler(SIGILL, __kmp_team_handler, parallel_init);
1230 __kmp_install_one_handler(SIGABRT, __kmp_team_handler, parallel_init);
1231 __kmp_install_one_handler(SIGFPE, __kmp_team_handler, parallel_init);
1232 __kmp_install_one_handler(SIGBUS, __kmp_team_handler, parallel_init);
1233 __kmp_install_one_handler(SIGSEGV, __kmp_team_handler, parallel_init);
1235 __kmp_install_one_handler(SIGSYS, __kmp_team_handler, parallel_init);
1237 __kmp_install_one_handler(SIGTERM, __kmp_team_handler, parallel_init);
1239 __kmp_install_one_handler(SIGPIPE, __kmp_team_handler, parallel_init);
1244 void __kmp_remove_signals(
void) {
1246 KB_TRACE(10, (
"__kmp_remove_signals()\n"));
1247 for (sig = 1; sig < NSIG; ++sig) {
1248 __kmp_remove_one_handler(sig);
1254 void __kmp_enable(
int new_state) {
1255 #ifdef KMP_CANCEL_THREADS
1256 int status, old_state;
1257 status = pthread_setcancelstate(new_state, &old_state);
1258 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
1259 KMP_DEBUG_ASSERT(old_state == PTHREAD_CANCEL_DISABLE);
1263 void __kmp_disable(
int *old_state) {
1264 #ifdef KMP_CANCEL_THREADS
1266 status = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, old_state);
1267 KMP_CHECK_SYSFAIL(
"pthread_setcancelstate", status);
1271 static void __kmp_atfork_prepare(
void) {
1272 __kmp_acquire_bootstrap_lock(&__kmp_initz_lock);
1273 __kmp_acquire_bootstrap_lock(&__kmp_forkjoin_lock);
1276 static void __kmp_atfork_parent(
void) {
1277 __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock);
1278 __kmp_release_bootstrap_lock(&__kmp_initz_lock);
1284 static void __kmp_atfork_child(
void) {
1285 __kmp_release_bootstrap_lock(&__kmp_forkjoin_lock);
1286 __kmp_release_bootstrap_lock(&__kmp_initz_lock);
1293 #if KMP_AFFINITY_SUPPORTED
1294 #if KMP_OS_LINUX || KMP_OS_FREEBSD
1297 kmp_set_thread_affinity_mask_initial();
1302 __kmp_affinity_type = affinity_none;
1303 if (__kmp_nested_proc_bind.bind_types != NULL) {
1304 __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
1309 __kmp_init_monitor = 0;
1311 __kmp_init_parallel = FALSE;
1312 __kmp_init_middle = FALSE;
1313 __kmp_init_serial = FALSE;
1314 TCW_4(__kmp_init_gtid, FALSE);
1315 __kmp_init_common = FALSE;
1317 TCW_4(__kmp_init_user_locks, FALSE);
1318 #if !KMP_USE_DYNAMIC_LOCK
1319 __kmp_user_lock_table.used = 1;
1320 __kmp_user_lock_table.allocated = 0;
1321 __kmp_user_lock_table.table = NULL;
1322 __kmp_lock_blocks = NULL;
1326 TCW_4(__kmp_nth, 0);
1328 __kmp_thread_pool = NULL;
1329 __kmp_thread_pool_insert_pt = NULL;
1330 __kmp_team_pool = NULL;
1334 KA_TRACE(10, (
"__kmp_atfork_child: checking cache address list %p\n",
1335 __kmp_threadpriv_cache_list));
1337 while (__kmp_threadpriv_cache_list != NULL) {
1339 if (*__kmp_threadpriv_cache_list->addr != NULL) {
1340 KC_TRACE(50, (
"__kmp_atfork_child: zeroing cache at address %p\n",
1341 &(*__kmp_threadpriv_cache_list->addr)));
1343 *__kmp_threadpriv_cache_list->addr = NULL;
1345 __kmp_threadpriv_cache_list = __kmp_threadpriv_cache_list->next;
1348 __kmp_init_runtime = FALSE;
1351 __kmp_init_bootstrap_lock(&__kmp_initz_lock);
1352 __kmp_init_bootstrap_lock(&__kmp_stdio_lock);
1353 __kmp_init_bootstrap_lock(&__kmp_console_lock);
1354 __kmp_init_bootstrap_lock(&__kmp_task_team_lock);
1360 __kmp_serial_initialize();
1373 void __kmp_register_atfork(
void) {
1374 if (__kmp_need_register_atfork) {
1375 int status = pthread_atfork(__kmp_atfork_prepare, __kmp_atfork_parent,
1376 __kmp_atfork_child);
1377 KMP_CHECK_SYSFAIL(
"pthread_atfork", status);
1378 __kmp_need_register_atfork = FALSE;
1382 void __kmp_suspend_initialize(
void) {
1384 status = pthread_mutexattr_init(&__kmp_suspend_mutex_attr);
1385 KMP_CHECK_SYSFAIL(
"pthread_mutexattr_init", status);
1386 status = pthread_condattr_init(&__kmp_suspend_cond_attr);
1387 KMP_CHECK_SYSFAIL(
"pthread_condattr_init", status);
1390 void __kmp_suspend_initialize_thread(kmp_info_t *th) {
1391 ANNOTATE_HAPPENS_AFTER(&th->th.th_suspend_init_count);
1392 int old_value = KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init_count);
1393 int new_value = __kmp_fork_count + 1;
1395 if (old_value == new_value)
1398 if (old_value == -1 ||
1399 !__kmp_atomic_compare_store(&th->th.th_suspend_init_count, old_value,
1401 while (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init_count) != new_value) {
1407 status = pthread_cond_init(&th->th.th_suspend_cv.c_cond,
1408 &__kmp_suspend_cond_attr);
1409 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
1410 status = pthread_mutex_init(&th->th.th_suspend_mx.m_mutex,
1411 &__kmp_suspend_mutex_attr);
1412 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
1413 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init_count, new_value);
1414 ANNOTATE_HAPPENS_BEFORE(&th->th.th_suspend_init_count);
1418 void __kmp_suspend_uninitialize_thread(kmp_info_t *th) {
1419 if (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init_count) > __kmp_fork_count) {
1424 status = pthread_cond_destroy(&th->th.th_suspend_cv.c_cond);
1425 if (status != 0 && status != EBUSY) {
1426 KMP_SYSFAIL(
"pthread_cond_destroy", status);
1428 status = pthread_mutex_destroy(&th->th.th_suspend_mx.m_mutex);
1429 if (status != 0 && status != EBUSY) {
1430 KMP_SYSFAIL(
"pthread_mutex_destroy", status);
1432 --th->th.th_suspend_init_count;
1433 KMP_DEBUG_ASSERT(KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init_count) ==
1439 int __kmp_try_suspend_mx(kmp_info_t *th) {
1440 return (pthread_mutex_trylock(&th->th.th_suspend_mx.m_mutex) == 0);
1443 void __kmp_lock_suspend_mx(kmp_info_t *th) {
1444 int status = pthread_mutex_lock(&th->th.th_suspend_mx.m_mutex);
1445 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
1448 void __kmp_unlock_suspend_mx(kmp_info_t *th) {
1449 int status = pthread_mutex_unlock(&th->th.th_suspend_mx.m_mutex);
1450 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
1456 static inline void __kmp_suspend_template(
int th_gtid, C *flag) {
1457 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_suspend);
1458 kmp_info_t *th = __kmp_threads[th_gtid];
1460 typename C::flag_t old_spin;
1462 KF_TRACE(30, (
"__kmp_suspend_template: T#%d enter for flag = %p\n", th_gtid,
1465 __kmp_suspend_initialize_thread(th);
1467 __kmp_lock_suspend_mx(th);
1469 KF_TRACE(10, (
"__kmp_suspend_template: T#%d setting sleep bit for spin(%p)\n",
1470 th_gtid, flag->get()));
1474 old_spin = flag->set_sleeping();
1475 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME &&
1476 __kmp_pause_status != kmp_soft_paused) {
1477 flag->unset_sleeping();
1478 __kmp_unlock_suspend_mx(th);
1481 KF_TRACE(5, (
"__kmp_suspend_template: T#%d set sleep bit for spin(%p)==%x,"
1483 th_gtid, flag->get(), flag->load(), old_spin));
1485 if (flag->done_check_val(old_spin)) {
1486 old_spin = flag->unset_sleeping();
1487 KF_TRACE(5, (
"__kmp_suspend_template: T#%d false alarm, reset sleep bit "
1489 th_gtid, flag->get()));
1494 int deactivated = FALSE;
1495 TCW_PTR(th->th.th_sleep_loc, (
void *)flag);
1497 while (flag->is_sleeping()) {
1498 #ifdef DEBUG_SUSPEND
1500 __kmp_suspend_count++;
1501 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1502 __kmp_printf(
"__kmp_suspend_template: suspending T#%d: %s\n", th_gtid,
1508 th->th.th_active = FALSE;
1509 if (th->th.th_active_in_pool) {
1510 th->th.th_active_in_pool = FALSE;
1511 KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
1512 KMP_DEBUG_ASSERT(TCR_4(__kmp_thread_pool_active_nth) >= 0);
1517 #if USE_SUSPEND_TIMEOUT
1518 struct timespec now;
1519 struct timeval tval;
1522 status = gettimeofday(&tval, NULL);
1523 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1524 TIMEVAL_TO_TIMESPEC(&tval, &now);
1526 msecs = (4 * __kmp_dflt_blocktime) + 200;
1527 now.tv_sec += msecs / 1000;
1528 now.tv_nsec += (msecs % 1000) * 1000;
1530 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform "
1531 "pthread_cond_timedwait\n",
1533 status = pthread_cond_timedwait(&th->th.th_suspend_cv.c_cond,
1534 &th->th.th_suspend_mx.m_mutex, &now);
1536 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform"
1537 " pthread_cond_wait\n",
1539 status = pthread_cond_wait(&th->th.th_suspend_cv.c_cond,
1540 &th->th.th_suspend_mx.m_mutex);
1543 if ((status != 0) && (status != EINTR) && (status != ETIMEDOUT)) {
1544 KMP_SYSFAIL(
"pthread_cond_wait", status);
1547 if (status == ETIMEDOUT) {
1548 if (flag->is_sleeping()) {
1550 (
"__kmp_suspend_template: T#%d timeout wakeup\n", th_gtid));
1552 KF_TRACE(2, (
"__kmp_suspend_template: T#%d timeout wakeup, sleep bit "
1556 }
else if (flag->is_sleeping()) {
1558 (
"__kmp_suspend_template: T#%d spurious wakeup\n", th_gtid));
1565 th->th.th_active = TRUE;
1566 if (TCR_4(th->th.th_in_pool)) {
1567 KMP_ATOMIC_INC(&__kmp_thread_pool_active_nth);
1568 th->th.th_active_in_pool = TRUE;
1572 #ifdef DEBUG_SUSPEND
1575 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1576 __kmp_printf(
"__kmp_suspend_template: T#%d has awakened: %s\n", th_gtid,
1581 __kmp_unlock_suspend_mx(th);
1582 KF_TRACE(30, (
"__kmp_suspend_template: T#%d exit\n", th_gtid));
1585 template <
bool C,
bool S>
1586 void __kmp_suspend_32(
int th_gtid, kmp_flag_32<C, S> *flag) {
1587 __kmp_suspend_template(th_gtid, flag);
1589 template <
bool C,
bool S>
1590 void __kmp_suspend_64(
int th_gtid, kmp_flag_64<C, S> *flag) {
1591 __kmp_suspend_template(th_gtid, flag);
1593 void __kmp_suspend_oncore(
int th_gtid, kmp_flag_oncore *flag) {
1594 __kmp_suspend_template(th_gtid, flag);
1597 template void __kmp_suspend_32<false, false>(
int, kmp_flag_32<false, false> *);
1598 template void __kmp_suspend_64<false, true>(
int, kmp_flag_64<false, true> *);
1599 template void __kmp_suspend_64<true, false>(
int, kmp_flag_64<true, false> *);
1605 static inline void __kmp_resume_template(
int target_gtid, C *flag) {
1606 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_resume);
1607 kmp_info_t *th = __kmp_threads[target_gtid];
1611 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
1614 KF_TRACE(30, (
"__kmp_resume_template: T#%d wants to wakeup T#%d enter\n",
1615 gtid, target_gtid));
1616 KMP_DEBUG_ASSERT(gtid != target_gtid);
1618 __kmp_suspend_initialize_thread(th);
1620 __kmp_lock_suspend_mx(th);
1623 flag = (C *)CCAST(
void *, th->th.th_sleep_loc);
1628 if (!flag || flag->get_type() != flag->get_ptr_type()) {
1630 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
1631 "awake: flag(%p)\n",
1632 gtid, target_gtid, NULL));
1633 __kmp_unlock_suspend_mx(th);
1637 typename C::flag_t old_spin = flag->unset_sleeping();
1638 if (!flag->is_sleeping_val(old_spin)) {
1639 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
1642 gtid, target_gtid, flag->get(), old_spin, flag->load()));
1643 __kmp_unlock_suspend_mx(th);
1646 KF_TRACE(5, (
"__kmp_resume_template: T#%d about to wakeup T#%d, reset "
1647 "sleep bit for flag's loc(%p): "
1649 gtid, target_gtid, flag->get(), old_spin, flag->load()));
1651 TCW_PTR(th->th.th_sleep_loc, NULL);
1653 #ifdef DEBUG_SUSPEND
1656 __kmp_print_cond(buffer, &th->th.th_suspend_cv);
1657 __kmp_printf(
"__kmp_resume_template: T#%d resuming T#%d: %s\n", gtid,
1658 target_gtid, buffer);
1661 status = pthread_cond_signal(&th->th.th_suspend_cv.c_cond);
1662 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
1663 __kmp_unlock_suspend_mx(th);
1664 KF_TRACE(30, (
"__kmp_resume_template: T#%d exiting after signaling wake up"
1666 gtid, target_gtid));
1669 template <
bool C,
bool S>
1670 void __kmp_resume_32(
int target_gtid, kmp_flag_32<C, S> *flag) {
1671 __kmp_resume_template(target_gtid, flag);
1673 template <
bool C,
bool S>
1674 void __kmp_resume_64(
int target_gtid, kmp_flag_64<C, S> *flag) {
1675 __kmp_resume_template(target_gtid, flag);
1677 void __kmp_resume_oncore(
int target_gtid, kmp_flag_oncore *flag) {
1678 __kmp_resume_template(target_gtid, flag);
1681 template void __kmp_resume_32<false, true>(
int, kmp_flag_32<false, true> *);
1682 template void __kmp_resume_64<false, true>(
int, kmp_flag_64<false, true> *);
1685 void __kmp_resume_monitor() {
1686 KMP_TIME_DEVELOPER_PARTITIONED_BLOCK(USER_resume);
1689 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
1690 KF_TRACE(30, (
"__kmp_resume_monitor: T#%d wants to wakeup T#%d enter\n", gtid,
1692 KMP_DEBUG_ASSERT(gtid != KMP_GTID_MONITOR);
1694 status = pthread_mutex_lock(&__kmp_wait_mx.m_mutex);
1695 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
1696 #ifdef DEBUG_SUSPEND
1699 __kmp_print_cond(buffer, &__kmp_wait_cv.c_cond);
1700 __kmp_printf(
"__kmp_resume_monitor: T#%d resuming T#%d: %s\n", gtid,
1701 KMP_GTID_MONITOR, buffer);
1704 status = pthread_cond_signal(&__kmp_wait_cv.c_cond);
1705 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
1706 status = pthread_mutex_unlock(&__kmp_wait_mx.m_mutex);
1707 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
1708 KF_TRACE(30, (
"__kmp_resume_monitor: T#%d exiting after signaling wake up"
1710 gtid, KMP_GTID_MONITOR));
1714 void __kmp_yield() { sched_yield(); }
1716 void __kmp_gtid_set_specific(
int gtid) {
1717 if (__kmp_init_gtid) {
1719 status = pthread_setspecific(__kmp_gtid_threadprivate_key,
1720 (
void *)(intptr_t)(gtid + 1));
1721 KMP_CHECK_SYSFAIL(
"pthread_setspecific", status);
1723 KA_TRACE(50, (
"__kmp_gtid_set_specific: runtime shutdown, returning\n"));
1727 int __kmp_gtid_get_specific() {
1729 if (!__kmp_init_gtid) {
1730 KA_TRACE(50, (
"__kmp_gtid_get_specific: runtime shutdown, returning "
1731 "KMP_GTID_SHUTDOWN\n"));
1732 return KMP_GTID_SHUTDOWN;
1734 gtid = (int)(
size_t)pthread_getspecific(__kmp_gtid_threadprivate_key);
1736 gtid = KMP_GTID_DNE;
1740 KA_TRACE(50, (
"__kmp_gtid_get_specific: key:%d gtid:%d\n",
1741 __kmp_gtid_threadprivate_key, gtid));
1745 double __kmp_read_cpu_time(
void) {
1751 return (
double)(buffer.tms_utime + buffer.tms_cutime) /
1752 (
double)CLOCKS_PER_SEC;
1755 int __kmp_read_system_info(
struct kmp_sys_info *info) {
1757 struct rusage r_usage;
1759 memset(info, 0,
sizeof(*info));
1761 status = getrusage(RUSAGE_SELF, &r_usage);
1762 KMP_CHECK_SYSFAIL_ERRNO(
"getrusage", status);
1765 info->maxrss = r_usage.ru_maxrss;
1767 info->minflt = r_usage.ru_minflt;
1769 info->majflt = r_usage.ru_majflt;
1771 info->nswap = r_usage.ru_nswap;
1773 info->inblock = r_usage.ru_inblock;
1775 info->oublock = r_usage.ru_oublock;
1777 info->nvcsw = r_usage.ru_nvcsw;
1779 info->nivcsw = r_usage.ru_nivcsw;
1781 return (status != 0);
1784 void __kmp_read_system_time(
double *delta) {
1786 struct timeval tval;
1787 struct timespec stop;
1790 status = gettimeofday(&tval, NULL);
1791 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1792 TIMEVAL_TO_TIMESPEC(&tval, &stop);
1793 t_ns = (double)(TS2NS(stop) - TS2NS(__kmp_sys_timer_data.start));
1794 *delta = (t_ns * 1e-9);
1797 void __kmp_clear_system_time(
void) {
1798 struct timeval tval;
1800 status = gettimeofday(&tval, NULL);
1801 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1802 TIMEVAL_TO_TIMESPEC(&tval, &__kmp_sys_timer_data.start);
1805 static int __kmp_get_xproc(
void) {
1809 #if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
1810 KMP_OS_OPENBSD || KMP_OS_HURD
1812 __kmp_type_convert(sysconf(_SC_NPROCESSORS_ONLN), &(r));
1820 host_basic_info_data_t info;
1821 mach_msg_type_number_t num = HOST_BASIC_INFO_COUNT;
1822 rc = host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&info, &num);
1823 if (rc == 0 && num == HOST_BASIC_INFO_COUNT) {
1826 r = info.avail_cpus;
1828 KMP_WARNING(CantGetNumAvailCPU);
1829 KMP_INFORM(AssumedNumCPU);
1834 #error "Unknown or unsupported OS."
1838 return r > 0 ? r : 2;
1842 int __kmp_read_from_file(
char const *path,
char const *format, ...) {
1846 va_start(args, format);
1847 FILE *f = fopen(path,
"rb");
1850 result = vfscanf(f, format, args);
1856 void __kmp_runtime_initialize(
void) {
1858 pthread_mutexattr_t mutex_attr;
1859 pthread_condattr_t cond_attr;
1861 if (__kmp_init_runtime) {
1865 #if (KMP_ARCH_X86 || KMP_ARCH_X86_64)
1866 if (!__kmp_cpuinfo.initialized) {
1867 __kmp_query_cpuid(&__kmp_cpuinfo);
1871 __kmp_xproc = __kmp_get_xproc();
1873 #if ! KMP_32_BIT_ARCH
1877 status = getrlimit(RLIMIT_STACK, &rlim);
1879 __kmp_stksize = rlim.rlim_cur;
1880 __kmp_check_stksize(&__kmp_stksize);
1884 if (sysconf(_SC_THREADS)) {
1887 __kmp_type_convert(sysconf(_SC_THREAD_THREADS_MAX), &(__kmp_sys_max_nth));
1888 if (__kmp_sys_max_nth == -1) {
1890 __kmp_sys_max_nth = INT_MAX;
1891 }
else if (__kmp_sys_max_nth <= 1) {
1893 __kmp_sys_max_nth = KMP_MAX_NTH;
1897 __kmp_sys_min_stksize = sysconf(_SC_THREAD_STACK_MIN);
1898 if (__kmp_sys_min_stksize <= 1) {
1899 __kmp_sys_min_stksize = KMP_MIN_STKSIZE;
1904 __kmp_tls_gtid_min = KMP_TLS_GTID_MIN;
1906 status = pthread_key_create(&__kmp_gtid_threadprivate_key,
1907 __kmp_internal_end_dest);
1908 KMP_CHECK_SYSFAIL(
"pthread_key_create", status);
1909 status = pthread_mutexattr_init(&mutex_attr);
1910 KMP_CHECK_SYSFAIL(
"pthread_mutexattr_init", status);
1911 status = pthread_mutex_init(&__kmp_wait_mx.m_mutex, &mutex_attr);
1912 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
1913 status = pthread_condattr_init(&cond_attr);
1914 KMP_CHECK_SYSFAIL(
"pthread_condattr_init", status);
1915 status = pthread_cond_init(&__kmp_wait_cv.c_cond, &cond_attr);
1916 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
1918 __kmp_itt_initialize();
1921 __kmp_init_runtime = TRUE;
1924 void __kmp_runtime_destroy(
void) {
1927 if (!__kmp_init_runtime) {
1932 __kmp_itt_destroy();
1935 status = pthread_key_delete(__kmp_gtid_threadprivate_key);
1936 KMP_CHECK_SYSFAIL(
"pthread_key_delete", status);
1938 status = pthread_mutex_destroy(&__kmp_wait_mx.m_mutex);
1939 if (status != 0 && status != EBUSY) {
1940 KMP_SYSFAIL(
"pthread_mutex_destroy", status);
1942 status = pthread_cond_destroy(&__kmp_wait_cv.c_cond);
1943 if (status != 0 && status != EBUSY) {
1944 KMP_SYSFAIL(
"pthread_cond_destroy", status);
1946 #if KMP_AFFINITY_SUPPORTED
1947 __kmp_affinity_uninitialize();
1950 __kmp_init_runtime = FALSE;
1955 void __kmp_thread_sleep(
int millis) { sleep((millis + 500) / 1000); }
1958 void __kmp_elapsed(
double *t) {
1960 #ifdef FIX_SGI_CLOCK
1963 status = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
1964 KMP_CHECK_SYSFAIL_ERRNO(
"clock_gettime", status);
1966 (double)ts.tv_nsec * (1.0 / (
double)KMP_NSEC_PER_SEC) + (
double)ts.tv_sec;
1970 status = gettimeofday(&tv, NULL);
1971 KMP_CHECK_SYSFAIL_ERRNO(
"gettimeofday", status);
1973 (double)tv.tv_usec * (1.0 / (
double)KMP_USEC_PER_SEC) + (
double)tv.tv_sec;
1978 void __kmp_elapsed_tick(
double *t) { *t = 1 / (double)CLOCKS_PER_SEC; }
1981 kmp_uint64 __kmp_now_nsec() {
1983 gettimeofday(&t, NULL);
1984 kmp_uint64 nsec = (kmp_uint64)KMP_NSEC_PER_SEC * (kmp_uint64)t.tv_sec +
1985 (kmp_uint64)1000 * (kmp_uint64)t.tv_usec;
1989 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
1991 void __kmp_initialize_system_tick() {
1992 kmp_uint64 now, nsec2, diff;
1993 kmp_uint64 delay = 100000;
1994 kmp_uint64 nsec = __kmp_now_nsec();
1995 kmp_uint64 goal = __kmp_hardware_timestamp() + delay;
1996 while ((now = __kmp_hardware_timestamp()) < goal)
1998 nsec2 = __kmp_now_nsec();
1999 diff = nsec2 - nsec;
2001 kmp_uint64 tpms = ((kmp_uint64)1e6 * (delay + (now - goal)) / diff);
2003 __kmp_ticks_per_msec = tpms;
2011 int __kmp_is_address_mapped(
void *addr) {
2016 #if KMP_OS_LINUX || KMP_OS_HURD
2021 char *name = __kmp_str_format(
"/proc/%d/maps", getpid());
2024 file = fopen(name,
"r");
2025 KMP_ASSERT(file != NULL);
2029 void *beginning = NULL;
2030 void *ending = NULL;
2033 rc = fscanf(file,
"%p-%p %4s %*[^\n]\n", &beginning, &ending, perms);
2037 KMP_ASSERT(rc == 3 &&
2038 KMP_STRLEN(perms) == 4);
2041 if ((addr >= beginning) && (addr < ending)) {
2043 if (strcmp(perms,
"rw") == 0) {
2053 KMP_INTERNAL_FREE(name);
2054 #elif KMP_OS_FREEBSD
2057 int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_VMMAP, getpid()};
2058 rc = sysctl(mib, 4, NULL, &lstsz, NULL, 0);
2063 lstsz = lstsz * 4 / 3;
2064 buf =
reinterpret_cast<char *
>(kmpc_malloc(lstsz));
2065 rc = sysctl(mib, 4, buf, &lstsz, NULL, 0);
2072 char *up = buf + lstsz;
2075 struct kinfo_vmentry *cur =
reinterpret_cast<struct kinfo_vmentry *
>(lw);
2076 size_t cursz = cur->kve_structsize;
2079 void *start =
reinterpret_cast<void *
>(cur->kve_start);
2080 void *end =
reinterpret_cast<void *
>(cur->kve_end);
2082 if ((addr >= start) && (addr < end)) {
2083 if ((cur->kve_protection & KVME_PROT_READ) != 0 &&
2084 (cur->kve_protection & KVME_PROT_WRITE) != 0) {
2100 rc = vm_read_overwrite(
2102 (vm_address_t)(addr),
2104 (vm_address_t)(&buffer),
2117 mib[2] = VM_PROC_MAP;
2119 mib[4] =
sizeof(
struct kinfo_vmentry);
2122 rc = sysctl(mib, __arraycount(mib), NULL, &size, NULL, 0);
2126 size = size * 4 / 3;
2127 struct kinfo_vmentry *kiv = (
struct kinfo_vmentry *)KMP_INTERNAL_MALLOC(size);
2130 rc = sysctl(mib, __arraycount(mib), kiv, &size, NULL, 0);
2134 for (
size_t i = 0; i < size; i++) {
2135 if (kiv[i].kve_start >= (uint64_t)addr &&
2136 kiv[i].kve_end <= (uint64_t)addr) {
2141 KMP_INTERNAL_FREE(kiv);
2142 #elif KMP_OS_OPENBSD
2146 mib[1] = KERN_PROC_VMMAP;
2151 rc = sysctl(mib, 3, NULL, &size, NULL, 0);
2156 struct kinfo_vmentry kiv = {.kve_start = 0};
2158 while ((rc = sysctl(mib, 3, &kiv, &size, NULL, 0)) == 0) {
2160 if (kiv.kve_end == end)
2163 if (kiv.kve_start >= (uint64_t)addr && kiv.kve_end <= (uint64_t)addr) {
2169 #elif KMP_OS_DRAGONFLY
2176 #error "Unknown or unsupported OS"
2184 #ifdef USE_LOAD_BALANCE
2186 #if KMP_OS_DARWIN || KMP_OS_NETBSD
2193 int __kmp_get_load_balance(
int max) {
2197 int res = getloadavg(averages, 3);
2202 if (__kmp_load_balance_interval < 180 && (res >= 1)) {
2203 ret_avg = (int)averages[0];
2204 }
else if ((__kmp_load_balance_interval >= 180 &&
2205 __kmp_load_balance_interval < 600) &&
2207 ret_avg = (int)averages[1];
2208 }
else if ((__kmp_load_balance_interval >= 600) && (res == 3)) {
2209 ret_avg = (int)averages[2];
2223 int __kmp_get_load_balance(
int max) {
2224 static int permanent_error = 0;
2225 static int glb_running_threads = 0;
2227 static double glb_call_time = 0;
2229 int running_threads = 0;
2231 DIR *proc_dir = NULL;
2232 struct dirent *proc_entry = NULL;
2234 kmp_str_buf_t task_path;
2235 DIR *task_dir = NULL;
2236 struct dirent *task_entry = NULL;
2237 int task_path_fixed_len;
2239 kmp_str_buf_t stat_path;
2241 int stat_path_fixed_len;
2243 int total_processes = 0;
2244 int total_threads = 0;
2246 double call_time = 0.0;
2248 __kmp_str_buf_init(&task_path);
2249 __kmp_str_buf_init(&stat_path);
2251 __kmp_elapsed(&call_time);
2253 if (glb_call_time &&
2254 (call_time - glb_call_time < __kmp_load_balance_interval)) {
2255 running_threads = glb_running_threads;
2259 glb_call_time = call_time;
2262 if (permanent_error) {
2263 running_threads = -1;
2272 proc_dir = opendir(
"/proc");
2273 if (proc_dir == NULL) {
2276 running_threads = -1;
2277 permanent_error = 1;
2282 __kmp_str_buf_cat(&task_path,
"/proc/", 6);
2283 task_path_fixed_len = task_path.used;
2285 proc_entry = readdir(proc_dir);
2286 while (proc_entry != NULL) {
2289 if (proc_entry->d_type == DT_DIR && isdigit(proc_entry->d_name[0])) {
2297 KMP_DEBUG_ASSERT(total_processes != 1 ||
2298 strcmp(proc_entry->d_name,
"1") == 0);
2301 task_path.used = task_path_fixed_len;
2302 __kmp_str_buf_cat(&task_path, proc_entry->d_name,
2303 KMP_STRLEN(proc_entry->d_name));
2304 __kmp_str_buf_cat(&task_path,
"/task", 5);
2306 task_dir = opendir(task_path.str);
2307 if (task_dir == NULL) {
2316 if (strcmp(proc_entry->d_name,
"1") == 0) {
2317 running_threads = -1;
2318 permanent_error = 1;
2323 __kmp_str_buf_clear(&stat_path);
2324 __kmp_str_buf_cat(&stat_path, task_path.str, task_path.used);
2325 __kmp_str_buf_cat(&stat_path,
"/", 1);
2326 stat_path_fixed_len = stat_path.used;
2328 task_entry = readdir(task_dir);
2329 while (task_entry != NULL) {
2331 if (proc_entry->d_type == DT_DIR && isdigit(task_entry->d_name[0])) {
2339 stat_path_fixed_len;
2340 __kmp_str_buf_cat(&stat_path, task_entry->d_name,
2341 KMP_STRLEN(task_entry->d_name));
2342 __kmp_str_buf_cat(&stat_path,
"/stat", 5);
2346 stat_file = open(stat_path.str, O_RDONLY);
2347 if (stat_file == -1) {
2377 len = read(stat_file, buffer,
sizeof(buffer) - 1);
2384 char *close_parent = strstr(buffer,
") ");
2385 if (close_parent != NULL) {
2386 char state = *(close_parent + 2);
2389 if (running_threads >= max) {
2399 task_entry = readdir(task_dir);
2405 proc_entry = readdir(proc_dir);
2411 KMP_DEBUG_ASSERT(running_threads > 0);
2412 if (running_threads <= 0) {
2413 running_threads = 1;
2417 if (proc_dir != NULL) {
2420 __kmp_str_buf_free(&task_path);
2421 if (task_dir != NULL) {
2424 __kmp_str_buf_free(&stat_path);
2425 if (stat_file != -1) {
2429 glb_running_threads = running_threads;
2431 return running_threads;
2439 #if !(KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_MIC || \
2440 ((KMP_OS_LINUX || KMP_OS_DARWIN) && KMP_ARCH_AARCH64) || \
2441 KMP_ARCH_PPC64 || KMP_ARCH_RISCV64)
2445 int __kmp_invoke_microtask(microtask_t pkfn,
int gtid,
int tid,
int argc,
2449 void **exit_frame_ptr
2453 *exit_frame_ptr = OMPT_GET_FRAME_ADDRESS(0);
2458 fprintf(stderr,
"Too many args to microtask: %d!\n", argc);
2462 (*pkfn)(>id, &tid);
2465 (*pkfn)(>id, &tid, p_argv[0]);
2468 (*pkfn)(>id, &tid, p_argv[0], p_argv[1]);
2471 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2]);
2474 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3]);
2477 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4]);
2480 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2484 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2485 p_argv[5], p_argv[6]);
2488 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2489 p_argv[5], p_argv[6], p_argv[7]);
2492 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2493 p_argv[5], p_argv[6], p_argv[7], p_argv[8]);
2496 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2497 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9]);
2500 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2501 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10]);
2504 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2505 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2509 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2510 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2511 p_argv[11], p_argv[12]);
2514 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2515 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2516 p_argv[11], p_argv[12], p_argv[13]);
2519 (*pkfn)(>id, &tid, p_argv[0], p_argv[1], p_argv[2], p_argv[3], p_argv[4],
2520 p_argv[5], p_argv[6], p_argv[7], p_argv[8], p_argv[9], p_argv[10],
2521 p_argv[11], p_argv[12], p_argv[13], p_argv[14]);
2533 pthread_cond_t hidden_helper_threads_initz_cond_var;
2534 pthread_mutex_t hidden_helper_threads_initz_lock;
2535 volatile int hidden_helper_initz_signaled = FALSE;
2538 pthread_cond_t hidden_helper_threads_deinitz_cond_var;
2539 pthread_mutex_t hidden_helper_threads_deinitz_lock;
2540 volatile int hidden_helper_deinitz_signaled = FALSE;
2543 pthread_cond_t hidden_helper_main_thread_cond_var;
2544 pthread_mutex_t hidden_helper_main_thread_lock;
2545 volatile int hidden_helper_main_thread_signaled = FALSE;
2550 sem_t hidden_helper_task_sem;
2553 void __kmp_hidden_helper_worker_thread_wait() {
2554 int status = sem_wait(&hidden_helper_task_sem);
2555 KMP_CHECK_SYSFAIL(
"sem_wait", status);
2558 void __kmp_do_initialize_hidden_helper_threads() {
2561 pthread_cond_init(&hidden_helper_threads_initz_cond_var,
nullptr);
2562 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2564 status = pthread_cond_init(&hidden_helper_threads_deinitz_cond_var,
nullptr);
2565 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2567 status = pthread_cond_init(&hidden_helper_main_thread_cond_var,
nullptr);
2568 KMP_CHECK_SYSFAIL(
"pthread_cond_init", status);
2570 status = pthread_mutex_init(&hidden_helper_threads_initz_lock,
nullptr);
2571 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2573 status = pthread_mutex_init(&hidden_helper_threads_deinitz_lock,
nullptr);
2574 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2576 status = pthread_mutex_init(&hidden_helper_main_thread_lock,
nullptr);
2577 KMP_CHECK_SYSFAIL(
"pthread_mutex_init", status);
2580 status = sem_init(&hidden_helper_task_sem, 0, 0);
2581 KMP_CHECK_SYSFAIL(
"sem_init", status);
2585 status = pthread_create(
2587 [](
void *) ->
void * {
2588 __kmp_hidden_helper_threads_initz_routine();
2592 KMP_CHECK_SYSFAIL(
"pthread_create", status);
2595 void __kmp_hidden_helper_threads_initz_wait() {
2598 int status = pthread_mutex_lock(&hidden_helper_threads_initz_lock);
2599 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2601 if (!TCR_4(hidden_helper_initz_signaled)) {
2602 status = pthread_cond_wait(&hidden_helper_threads_initz_cond_var,
2603 &hidden_helper_threads_initz_lock);
2604 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2607 status = pthread_mutex_unlock(&hidden_helper_threads_initz_lock);
2608 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2611 void __kmp_hidden_helper_initz_release() {
2613 int status = pthread_mutex_lock(&hidden_helper_threads_initz_lock);
2614 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2616 status = pthread_cond_signal(&hidden_helper_threads_initz_cond_var);
2617 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2619 TCW_SYNC_4(hidden_helper_initz_signaled, TRUE);
2621 status = pthread_mutex_unlock(&hidden_helper_threads_initz_lock);
2622 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2625 void __kmp_hidden_helper_main_thread_wait() {
2628 int status = pthread_mutex_lock(&hidden_helper_main_thread_lock);
2629 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2631 if (!TCR_4(hidden_helper_main_thread_signaled)) {
2632 status = pthread_cond_wait(&hidden_helper_main_thread_cond_var,
2633 &hidden_helper_main_thread_lock);
2634 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2637 status = pthread_mutex_unlock(&hidden_helper_main_thread_lock);
2638 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2641 void __kmp_hidden_helper_main_thread_release() {
2644 int status = pthread_mutex_lock(&hidden_helper_main_thread_lock);
2645 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2647 status = pthread_cond_signal(&hidden_helper_main_thread_cond_var);
2648 KMP_CHECK_SYSFAIL(
"pthread_cond_signal", status);
2651 TCW_SYNC_4(hidden_helper_main_thread_signaled, TRUE);
2653 status = pthread_mutex_unlock(&hidden_helper_main_thread_lock);
2654 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2657 void __kmp_hidden_helper_worker_thread_signal() {
2658 int status = sem_post(&hidden_helper_task_sem);
2659 KMP_CHECK_SYSFAIL(
"sem_post", status);
2662 void __kmp_hidden_helper_threads_deinitz_wait() {
2665 int status = pthread_mutex_lock(&hidden_helper_threads_deinitz_lock);
2666 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2668 if (!TCR_4(hidden_helper_deinitz_signaled)) {
2669 status = pthread_cond_wait(&hidden_helper_threads_deinitz_cond_var,
2670 &hidden_helper_threads_deinitz_lock);
2671 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2674 status = pthread_mutex_unlock(&hidden_helper_threads_deinitz_lock);
2675 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
2678 void __kmp_hidden_helper_threads_deinitz_release() {
2679 int status = pthread_mutex_lock(&hidden_helper_threads_deinitz_lock);
2680 KMP_CHECK_SYSFAIL(
"pthread_mutex_lock", status);
2682 status = pthread_cond_signal(&hidden_helper_threads_deinitz_cond_var);
2683 KMP_CHECK_SYSFAIL(
"pthread_cond_wait", status);
2685 TCW_SYNC_4(hidden_helper_deinitz_signaled, TRUE);
2687 status = pthread_mutex_unlock(&hidden_helper_threads_deinitz_lock);
2688 KMP_CHECK_SYSFAIL(
"pthread_mutex_unlock", status);
#define KMP_INIT_PARTITIONED_TIMERS(name)
Initializes the partitioned timers to begin with name.