14 #include "kmp_affinity.h"
18 #include "kmp_wait_release.h"
28 #pragma comment(lib, "psapi.lib")
31 enum SYSTEM_INFORMATION_CLASS {
32 SystemProcessInformation = 5
52 SIZE_T PeakVirtualSize;
55 SIZE_T PeakWorkingSetSize;
56 SIZE_T WorkingSetSize;
57 SIZE_T QuotaPeakPagedPoolUsage;
58 SIZE_T QuotaPagedPoolUsage;
59 SIZE_T QuotaPeakNonPagedPoolUsage;
60 SIZE_T QuotaNonPagedPoolUsage;
62 SIZE_T PeakPagefileUsage;
63 SIZE_T PrivatePageCount;
66 struct SYSTEM_THREAD {
67 LARGE_INTEGER KernelTime;
68 LARGE_INTEGER UserTime;
69 LARGE_INTEGER CreateTime;
75 ULONG ContextSwitchCount;
80 KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, KernelTime) == 0);
82 KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, StartAddress) == 28);
83 KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, State) == 52);
85 KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, StartAddress) == 32);
86 KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, State) == 68);
89 struct SYSTEM_PROCESS_INFORMATION {
90 ULONG NextEntryOffset;
91 ULONG NumberOfThreads;
92 LARGE_INTEGER Reserved[3];
93 LARGE_INTEGER CreateTime;
94 LARGE_INTEGER UserTime;
95 LARGE_INTEGER KernelTime;
96 UNICODE_STRING ImageName;
99 HANDLE ParentProcessId;
102 VM_COUNTERS VMCounters;
103 IO_COUNTERS IOCounters;
104 SYSTEM_THREAD Threads[1];
106 typedef SYSTEM_PROCESS_INFORMATION *PSYSTEM_PROCESS_INFORMATION;
108 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, NextEntryOffset) == 0);
109 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, CreateTime) == 32);
110 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ImageName) == 56);
112 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ProcessId) == 68);
113 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, HandleCount) == 76);
114 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, VMCounters) == 88);
115 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, IOCounters) == 136);
116 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, Threads) == 184);
118 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ProcessId) == 80);
119 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, HandleCount) == 96);
120 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, VMCounters) == 112);
121 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, IOCounters) == 208);
122 KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, Threads) == 256);
125 typedef NTSTATUS(NTAPI *NtQuerySystemInformation_t)(SYSTEM_INFORMATION_CLASS,
126 PVOID, ULONG, PULONG);
127 NtQuerySystemInformation_t NtQuerySystemInformation = NULL;
129 HMODULE ntdll = NULL;
133 static HMODULE kernel32 = NULL;
135 #if KMP_HANDLE_SIGNALS
136 typedef void (*sig_func_t)(int);
137 static sig_func_t __kmp_sighldrs[NSIG];
138 static int __kmp_siginstalled[NSIG];
142 static HANDLE __kmp_monitor_ev;
144 static kmp_int64 __kmp_win32_time;
145 double __kmp_win32_tick;
147 int __kmp_init_runtime = FALSE;
148 CRITICAL_SECTION __kmp_win32_section;
150 void __kmp_win32_mutex_init(kmp_win32_mutex_t *mx) {
151 InitializeCriticalSection(&mx->cs);
153 __kmp_itt_system_object_created(&mx->cs,
"Critical Section");
157 void __kmp_win32_mutex_destroy(kmp_win32_mutex_t *mx) {
158 DeleteCriticalSection(&mx->cs);
161 void __kmp_win32_mutex_lock(kmp_win32_mutex_t *mx) {
162 EnterCriticalSection(&mx->cs);
165 int __kmp_win32_mutex_trylock(kmp_win32_mutex_t *mx) {
166 return TryEnterCriticalSection(&mx->cs);
169 void __kmp_win32_mutex_unlock(kmp_win32_mutex_t *mx) {
170 LeaveCriticalSection(&mx->cs);
173 void __kmp_win32_cond_init(kmp_win32_cond_t *cv) {
174 cv->waiters_count_ = 0;
175 cv->wait_generation_count_ = 0;
176 cv->release_count_ = 0;
179 __kmp_win32_mutex_init(&cv->waiters_count_lock_);
182 cv->event_ = CreateEvent(NULL,
187 __kmp_itt_system_object_created(cv->event_,
"Event");
191 void __kmp_win32_cond_destroy(kmp_win32_cond_t *cv) {
192 __kmp_win32_mutex_destroy(&cv->waiters_count_lock_);
193 __kmp_free_handle(cv->event_);
194 memset(cv,
'\0',
sizeof(*cv));
201 static void __kmp_win32_cond_wait(kmp_win32_cond_t *cv, kmp_win32_mutex_t *mx,
202 kmp_info_t *th, C *flag) {
207 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
210 cv->waiters_count_++;
213 my_generation = cv->wait_generation_count_;
215 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
216 __kmp_win32_mutex_unlock(mx);
220 DWORD res, timeout = 5000;
222 res = WaitForSingleObject(cv->event_, timeout);
224 if (res == WAIT_OBJECT_0) {
226 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
230 wait_done = (cv->release_count_ > 0) &&
231 (cv->wait_generation_count_ != my_generation);
232 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
233 }
else if (res == WAIT_TIMEOUT || res == WAIT_FAILED) {
236 __kmp_win32_mutex_lock(mx);
237 typename C::flag_t old_f = flag->set_sleeping();
238 if (!flag->done_check_val(old_f & ~KMP_BARRIER_SLEEP_STATE)) {
239 __kmp_win32_mutex_unlock(mx);
243 old_f = flag->unset_sleeping();
244 KMP_DEBUG_ASSERT(old_f & KMP_BARRIER_SLEEP_STATE);
245 TCW_PTR(th->th.th_sleep_loc, NULL);
247 (
"__kmp_win32_cond_wait: exiting, condition "
248 "fulfilled: flag's loc(%p): %u => %u\n",
249 flag->get(), (
unsigned int)old_f, (
unsigned int)flag->load()));
251 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
252 KMP_DEBUG_ASSERT(cv->waiters_count_ > 0);
253 cv->release_count_ = cv->waiters_count_;
254 cv->wait_generation_count_++;
256 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
258 __kmp_win32_mutex_unlock(mx);
266 __kmp_win32_mutex_lock(mx);
267 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
269 cv->waiters_count_--;
270 cv->release_count_--;
272 last_waiter = (cv->release_count_ == 0);
274 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
278 ResetEvent(cv->event_);
282 void __kmp_win32_cond_broadcast(kmp_win32_cond_t *cv) {
283 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
285 if (cv->waiters_count_ > 0) {
286 SetEvent(cv->event_);
289 cv->release_count_ = cv->waiters_count_;
292 cv->wait_generation_count_++;
295 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
298 void __kmp_win32_cond_signal(kmp_win32_cond_t *cv) {
299 __kmp_win32_cond_broadcast(cv);
302 void __kmp_enable(
int new_state) {
303 if (__kmp_init_runtime)
304 LeaveCriticalSection(&__kmp_win32_section);
307 void __kmp_disable(
int *old_state) {
310 if (__kmp_init_runtime)
311 EnterCriticalSection(&__kmp_win32_section);
314 void __kmp_suspend_initialize(
void) {
317 void __kmp_suspend_initialize_thread(kmp_info_t *th) {
318 int old_value = KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init);
319 int new_value = TRUE;
321 if (old_value == new_value)
324 if (old_value == -1 ||
325 !__kmp_atomic_compare_store(&th->th.th_suspend_init, old_value, -1)) {
326 while (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init) != new_value) {
331 __kmp_win32_cond_init(&th->th.th_suspend_cv);
332 __kmp_win32_mutex_init(&th->th.th_suspend_mx);
333 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init, new_value);
337 void __kmp_suspend_uninitialize_thread(kmp_info_t *th) {
338 if (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init)) {
341 __kmp_win32_cond_destroy(&th->th.th_suspend_cv);
342 __kmp_win32_mutex_destroy(&th->th.th_suspend_mx);
343 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init, FALSE);
347 int __kmp_try_suspend_mx(kmp_info_t *th) {
348 return __kmp_win32_mutex_trylock(&th->th.th_suspend_mx);
351 void __kmp_lock_suspend_mx(kmp_info_t *th) {
352 __kmp_win32_mutex_lock(&th->th.th_suspend_mx);
355 void __kmp_unlock_suspend_mx(kmp_info_t *th) {
356 __kmp_win32_mutex_unlock(&th->th.th_suspend_mx);
362 static inline void __kmp_suspend_template(
int th_gtid, C *flag) {
363 kmp_info_t *th = __kmp_threads[th_gtid];
364 typename C::flag_t old_spin;
366 KF_TRACE(30, (
"__kmp_suspend_template: T#%d enter for flag's loc(%p)\n",
367 th_gtid, flag->get()));
369 __kmp_suspend_initialize_thread(th);
370 __kmp_lock_suspend_mx(th);
372 KF_TRACE(10, (
"__kmp_suspend_template: T#%d setting sleep bit for flag's"
374 th_gtid, flag->get()));
378 old_spin = flag->set_sleeping();
379 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME &&
380 __kmp_pause_status != kmp_soft_paused) {
381 flag->unset_sleeping();
382 __kmp_unlock_suspend_mx(th);
386 KF_TRACE(5, (
"__kmp_suspend_template: T#%d set sleep bit for flag's"
388 th_gtid, flag->get(), (
unsigned int)flag->load()));
390 if (flag->done_check_val(old_spin)) {
391 old_spin = flag->unset_sleeping();
392 KF_TRACE(5, (
"__kmp_suspend_template: T#%d false alarm, reset sleep bit "
393 "for flag's loc(%p)\n",
394 th_gtid, flag->get()));
397 __kmp_suspend_count++;
402 int deactivated = FALSE;
403 TCW_PTR(th->th.th_sleep_loc, (
void *)flag);
404 while (flag->is_sleeping()) {
405 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform "
406 "kmp_win32_cond_wait()\n",
411 th->th.th_active = FALSE;
412 if (th->th.th_active_in_pool) {
413 th->th.th_active_in_pool = FALSE;
414 KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
415 KMP_DEBUG_ASSERT(TCR_4(__kmp_thread_pool_active_nth) >= 0);
418 __kmp_win32_cond_wait(&th->th.th_suspend_cv, &th->th.th_suspend_mx, th,
421 __kmp_win32_cond_wait(&th->th.th_suspend_cv, &th->th.th_suspend_mx, th,
426 if (flag->is_sleeping()) {
428 (
"__kmp_suspend_template: T#%d spurious wakeup\n", th_gtid));
436 th->th.th_active = TRUE;
437 if (TCR_4(th->th.th_in_pool)) {
438 KMP_ATOMIC_INC(&__kmp_thread_pool_active_nth);
439 th->th.th_active_in_pool = TRUE;
444 __kmp_unlock_suspend_mx(th);
445 KF_TRACE(30, (
"__kmp_suspend_template: T#%d exit\n", th_gtid));
448 template <
bool C,
bool S>
449 void __kmp_suspend_32(
int th_gtid, kmp_flag_32<C, S> *flag) {
450 __kmp_suspend_template(th_gtid, flag);
452 template <
bool C,
bool S>
453 void __kmp_suspend_64(
int th_gtid, kmp_flag_64<C, S> *flag) {
454 __kmp_suspend_template(th_gtid, flag);
456 void __kmp_suspend_oncore(
int th_gtid, kmp_flag_oncore *flag) {
457 __kmp_suspend_template(th_gtid, flag);
460 template void __kmp_suspend_32<false, false>(
int, kmp_flag_32<false, false> *);
461 template void __kmp_suspend_64<false, true>(
int, kmp_flag_64<false, true> *);
462 template void __kmp_suspend_64<true, false>(
int, kmp_flag_64<true, false> *);
467 static inline void __kmp_resume_template(
int target_gtid, C *flag) {
468 kmp_info_t *th = __kmp_threads[target_gtid];
471 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
474 KF_TRACE(30, (
"__kmp_resume_template: T#%d wants to wakeup T#%d enter\n",
477 __kmp_suspend_initialize_thread(th);
478 __kmp_lock_suspend_mx(th);
481 flag = (C *)th->th.th_sleep_loc;
486 if (!flag || flag->get_type() != flag->get_ptr_type()) {
489 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
490 "awake: flag's loc(%p)\n",
491 gtid, target_gtid, NULL));
492 __kmp_unlock_suspend_mx(th);
495 typename C::flag_t old_spin = flag->unset_sleeping();
496 if (!flag->is_sleeping_val(old_spin)) {
497 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
498 "awake: flag's loc(%p): %u => %u\n",
499 gtid, target_gtid, flag->get(), (
unsigned int)old_spin,
500 (
unsigned int)flag->load()));
501 __kmp_unlock_suspend_mx(th);
505 TCW_PTR(th->th.th_sleep_loc, NULL);
506 KF_TRACE(5, (
"__kmp_resume_template: T#%d about to wakeup T#%d, reset sleep "
507 "bit for flag's loc(%p)\n",
508 gtid, target_gtid, flag->get()));
510 __kmp_win32_cond_signal(&th->th.th_suspend_cv);
511 __kmp_unlock_suspend_mx(th);
513 KF_TRACE(30, (
"__kmp_resume_template: T#%d exiting after signaling wake up"
518 template <
bool C,
bool S>
519 void __kmp_resume_32(
int target_gtid, kmp_flag_32<C, S> *flag) {
520 __kmp_resume_template(target_gtid, flag);
522 template <
bool C,
bool S>
523 void __kmp_resume_64(
int target_gtid, kmp_flag_64<C, S> *flag) {
524 __kmp_resume_template(target_gtid, flag);
526 void __kmp_resume_oncore(
int target_gtid, kmp_flag_oncore *flag) {
527 __kmp_resume_template(target_gtid, flag);
530 template void __kmp_resume_32<false, true>(
int, kmp_flag_32<false, true> *);
531 template void __kmp_resume_64<false, true>(
int, kmp_flag_64<false, true> *);
533 void __kmp_yield() { Sleep(0); }
535 void __kmp_gtid_set_specific(
int gtid) {
536 if (__kmp_init_gtid) {
537 KA_TRACE(50, (
"__kmp_gtid_set_specific: T#%d key:%d\n", gtid,
538 __kmp_gtid_threadprivate_key));
539 if (!TlsSetValue(__kmp_gtid_threadprivate_key, (LPVOID)(gtid + 1)))
540 KMP_FATAL(TLSSetValueFailed);
542 KA_TRACE(50, (
"__kmp_gtid_set_specific: runtime shutdown, returning\n"));
546 int __kmp_gtid_get_specific() {
548 if (!__kmp_init_gtid) {
549 KA_TRACE(50, (
"__kmp_gtid_get_specific: runtime shutdown, returning "
550 "KMP_GTID_SHUTDOWN\n"));
551 return KMP_GTID_SHUTDOWN;
553 gtid = (int)(kmp_intptr_t)TlsGetValue(__kmp_gtid_threadprivate_key);
559 KA_TRACE(50, (
"__kmp_gtid_get_specific: key:%d gtid:%d\n",
560 __kmp_gtid_threadprivate_key, gtid));
564 void __kmp_affinity_bind_thread(
int proc) {
565 if (__kmp_num_proc_groups > 1) {
569 KMP_DEBUG_ASSERT((proc >= 0) && (proc < (__kmp_num_proc_groups * CHAR_BIT *
570 sizeof(DWORD_PTR))));
571 ga.Group = proc / (CHAR_BIT *
sizeof(DWORD_PTR));
572 ga.Mask = (
unsigned long long)1 << (proc % (CHAR_BIT *
sizeof(DWORD_PTR)));
573 ga.Reserved[0] = ga.Reserved[1] = ga.Reserved[2] = 0;
575 KMP_DEBUG_ASSERT(__kmp_SetThreadGroupAffinity != NULL);
576 if (__kmp_SetThreadGroupAffinity(GetCurrentThread(), &ga, NULL) == 0) {
577 DWORD error = GetLastError();
578 if (__kmp_affinity_verbose) {
579 kmp_msg_t err_code = KMP_ERR(error);
580 __kmp_msg(kmp_ms_warning, KMP_MSG(CantSetThreadAffMask), err_code,
582 if (__kmp_generate_warnings == kmp_warnings_off) {
583 __kmp_str_free(&err_code.str);
588 kmp_affin_mask_t *mask;
589 KMP_CPU_ALLOC_ON_STACK(mask);
591 KMP_CPU_SET(proc, mask);
592 __kmp_set_system_affinity(mask, TRUE);
593 KMP_CPU_FREE_FROM_STACK(mask);
597 void __kmp_affinity_determine_capable(
const char *env_var) {
601 #if KMP_GROUP_AFFINITY
602 KMP_AFFINITY_ENABLE(__kmp_num_proc_groups *
sizeof(DWORD_PTR));
604 KMP_AFFINITY_ENABLE(
sizeof(DWORD_PTR));
607 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
608 "Windows* OS affinity interface functional (mask size = "
609 "%" KMP_SIZE_T_SPEC
").\n",
610 __kmp_affin_mask_size));
613 double __kmp_read_cpu_time(
void) {
614 FILETIME CreationTime, ExitTime, KernelTime, UserTime;
620 status = GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime,
621 &KernelTime, &UserTime);
626 sec += KernelTime.dwHighDateTime;
627 sec += UserTime.dwHighDateTime;
630 sec *= (double)(1 << 16) * (double)(1 << 16);
632 sec += KernelTime.dwLowDateTime;
633 sec += UserTime.dwLowDateTime;
635 cpu_time += (sec * 100.0) / KMP_NSEC_PER_SEC;
641 int __kmp_read_system_info(
struct kmp_sys_info *info) {
654 void __kmp_runtime_initialize(
void) {
659 if (__kmp_init_runtime) {
667 UINT err_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
669 BOOL ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
670 GET_MODULE_HANDLE_EX_FLAG_PIN,
671 (LPCTSTR)&__kmp_serial_initialize, &h);
673 KMP_DEBUG_ASSERT2(h && ret,
"OpenMP RTL cannot find itself loaded");
674 SetErrorMode(err_mode);
675 KA_TRACE(10, (
"__kmp_runtime_initialize: dynamic library pinned\n"));
679 InitializeCriticalSection(&__kmp_win32_section);
681 __kmp_itt_system_object_created(&__kmp_win32_section,
"Critical Section");
683 __kmp_initialize_system_tick();
685 #if (KMP_ARCH_X86 || KMP_ARCH_X86_64)
686 if (!__kmp_cpuinfo.initialized) {
687 __kmp_query_cpuid(&__kmp_cpuinfo);
692 #if KMP_OS_WINDOWS && !KMP_DYNAMIC_LIB
707 __kmp_tls_gtid_min = 0;
709 __kmp_tls_gtid_min = KMP_TLS_GTID_MIN;
713 if (!__kmp_gtid_threadprivate_key) {
714 __kmp_gtid_threadprivate_key = TlsAlloc();
715 if (__kmp_gtid_threadprivate_key == TLS_OUT_OF_INDEXES) {
716 KMP_FATAL(TLSOutOfIndexes);
724 __kmp_str_buf_init(&path);
725 path_size = GetSystemDirectory(path.str, path.size);
726 KMP_DEBUG_ASSERT(path_size > 0);
727 if (path_size >= path.size) {
729 __kmp_str_buf_reserve(&path, path_size);
730 path_size = GetSystemDirectory(path.str, path.size);
731 KMP_DEBUG_ASSERT(path_size > 0);
733 if (path_size > 0 && path_size < path.size) {
736 path.used = path_size;
737 __kmp_str_buf_print(&path,
"\\%s",
"ntdll.dll");
740 ntdll = GetModuleHandle(path.str);
743 KMP_DEBUG_ASSERT(ntdll != NULL);
745 NtQuerySystemInformation = (NtQuerySystemInformation_t)GetProcAddress(
746 ntdll,
"NtQuerySystemInformation");
748 KMP_DEBUG_ASSERT(NtQuerySystemInformation != NULL);
750 #if KMP_GROUP_AFFINITY
753 if (path_size > 0 && path_size < path.size) {
756 path.used = path_size;
757 __kmp_str_buf_print(&path,
"\\%s",
"kernel32.dll");
760 kernel32 = GetModuleHandle(path.str);
761 KA_TRACE(10, (
"__kmp_runtime_initialize: kernel32.dll = %s\n", path.str));
765 if (kernel32 != NULL) {
766 __kmp_GetActiveProcessorCount =
767 (kmp_GetActiveProcessorCount_t)GetProcAddress(
768 kernel32,
"GetActiveProcessorCount");
769 __kmp_GetActiveProcessorGroupCount =
770 (kmp_GetActiveProcessorGroupCount_t)GetProcAddress(
771 kernel32,
"GetActiveProcessorGroupCount");
772 __kmp_GetThreadGroupAffinity =
773 (kmp_GetThreadGroupAffinity_t)GetProcAddress(
774 kernel32,
"GetThreadGroupAffinity");
775 __kmp_SetThreadGroupAffinity =
776 (kmp_SetThreadGroupAffinity_t)GetProcAddress(
777 kernel32,
"SetThreadGroupAffinity");
779 KA_TRACE(10, (
"__kmp_runtime_initialize: __kmp_GetActiveProcessorCount"
781 __kmp_GetActiveProcessorCount));
782 KA_TRACE(10, (
"__kmp_runtime_initialize: "
783 "__kmp_GetActiveProcessorGroupCount = %p\n",
784 __kmp_GetActiveProcessorGroupCount));
785 KA_TRACE(10, (
"__kmp_runtime_initialize:__kmp_GetThreadGroupAffinity"
787 __kmp_GetThreadGroupAffinity));
788 KA_TRACE(10, (
"__kmp_runtime_initialize: __kmp_SetThreadGroupAffinity"
790 __kmp_SetThreadGroupAffinity));
791 KA_TRACE(10, (
"__kmp_runtime_initialize: sizeof(kmp_affin_mask_t) = %d\n",
792 sizeof(kmp_affin_mask_t)));
799 if ((__kmp_GetActiveProcessorCount != NULL) &&
800 (__kmp_GetActiveProcessorGroupCount != NULL) &&
801 (__kmp_GetThreadGroupAffinity != NULL) &&
802 (__kmp_SetThreadGroupAffinity != NULL) &&
803 ((__kmp_num_proc_groups = __kmp_GetActiveProcessorGroupCount()) >
808 KA_TRACE(10, (
"__kmp_runtime_initialize: %d processor groups"
810 __kmp_num_proc_groups));
814 for (i = 0; i < __kmp_num_proc_groups; i++) {
815 DWORD size = __kmp_GetActiveProcessorCount(i);
817 KA_TRACE(10, (
"__kmp_runtime_initialize: proc group %d size = %d\n",
821 KA_TRACE(10, (
"__kmp_runtime_initialize: %d processor groups"
823 __kmp_num_proc_groups));
827 if (__kmp_num_proc_groups <= 1) {
828 GetSystemInfo(&info);
829 __kmp_xproc = info.dwNumberOfProcessors;
833 GetSystemInfo(&info);
834 __kmp_xproc = info.dwNumberOfProcessors;
839 if (__kmp_xproc <= 0) {
844 (
"__kmp_runtime_initialize: total processors = %d\n", __kmp_xproc));
846 __kmp_str_buf_free(&path);
849 __kmp_itt_initialize();
852 __kmp_init_runtime = TRUE;
855 void __kmp_runtime_destroy(
void) {
856 if (!__kmp_init_runtime) {
866 KA_TRACE(40, (
"__kmp_runtime_destroy\n"));
868 if (__kmp_gtid_threadprivate_key) {
869 TlsFree(__kmp_gtid_threadprivate_key);
870 __kmp_gtid_threadprivate_key = 0;
873 __kmp_affinity_uninitialize();
874 DeleteCriticalSection(&__kmp_win32_section);
877 NtQuerySystemInformation = NULL;
881 __kmp_GetActiveProcessorCount = NULL;
882 __kmp_GetActiveProcessorGroupCount = NULL;
883 __kmp_GetThreadGroupAffinity = NULL;
884 __kmp_SetThreadGroupAffinity = NULL;
887 __kmp_init_runtime = FALSE;
890 void __kmp_terminate_thread(
int gtid) {
891 kmp_info_t *th = __kmp_threads[gtid];
896 KA_TRACE(10, (
"__kmp_terminate_thread: kill (%d)\n", gtid));
898 if (TerminateThread(th->th.th_info.ds.ds_thread, (DWORD)-1) == FALSE) {
901 __kmp_free_handle(th->th.th_info.ds.ds_thread);
904 void __kmp_clear_system_time(
void) {
907 status = QueryPerformanceCounter(&time);
908 __kmp_win32_time = (kmp_int64)time.QuadPart;
911 void __kmp_initialize_system_tick(
void) {
916 status = QueryPerformanceFrequency(&freq);
918 DWORD error = GetLastError();
919 __kmp_fatal(KMP_MSG(FunctionError,
"QueryPerformanceFrequency()"),
920 KMP_ERR(error), __kmp_msg_null);
923 __kmp_win32_tick = ((double)1.0) / (double)freq.QuadPart;
930 void __kmp_elapsed(
double *t) {
933 status = QueryPerformanceCounter(&now);
934 *t = ((double)now.QuadPart) * __kmp_win32_tick;
939 void __kmp_elapsed_tick(
double *t) { *t = __kmp_win32_tick; }
941 void __kmp_read_system_time(
double *delta) {
946 status = QueryPerformanceCounter(&now);
948 *delta = ((double)(((kmp_int64)now.QuadPart) - __kmp_win32_time)) *
954 kmp_uint64 __kmp_now_nsec() {
956 QueryPerformanceCounter(&now);
957 return 1e9 * __kmp_win32_tick * now.QuadPart;
960 extern "C" void *__stdcall __kmp_launch_worker(
void *arg) {
961 volatile void *stack_data;
964 kmp_info_t *this_thr = (kmp_info_t *)arg;
967 gtid = this_thr->th.th_info.ds.ds_gtid;
968 __kmp_gtid_set_specific(gtid);
969 #ifdef KMP_TDATA_GTID
970 #error "This define causes problems with LoadLibrary() + declspec(thread) " \
971 "on Windows* OS. See CQ50564, tests kmp_load_library*.c and this MSDN " \
972 "reference: http://support.microsoft.com/kb/118816"
977 __kmp_itt_thread_name(gtid);
980 __kmp_affinity_set_init_mask(gtid, FALSE);
982 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
984 __kmp_clear_x87_fpu_status_word();
985 __kmp_load_x87_fpu_control_word(&__kmp_init_x87_fpu_control_word);
986 __kmp_load_mxcsr(&__kmp_init_mxcsr);
989 if (__kmp_stkoffset > 0 && gtid > 0) {
990 padding = KMP_ALLOCA(gtid * __kmp_stkoffset);
993 KMP_FSYNC_RELEASING(&this_thr->th.th_info.ds.ds_alive);
994 this_thr->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
995 TCW_4(this_thr->th.th_info.ds.ds_alive, TRUE);
997 if (TCR_4(__kmp_gtid_mode) <
999 TCW_PTR(this_thr->th.th_info.ds.ds_stackbase, &stack_data);
1000 KMP_ASSERT(this_thr->th.th_info.ds.ds_stackgrow == FALSE);
1001 __kmp_check_stack_overlap(this_thr);
1004 exit_val = __kmp_launch_thread(this_thr);
1005 KMP_FSYNC_RELEASING(&this_thr->th.th_info.ds.ds_alive);
1006 TCW_4(this_thr->th.th_info.ds.ds_alive, FALSE);
1014 void *__stdcall __kmp_launch_monitor(
void *arg) {
1016 kmp_thread_t monitor;
1019 kmp_info_t *this_thr = (kmp_info_t *)arg;
1021 KMP_DEBUG_ASSERT(__kmp_init_monitor);
1022 TCW_4(__kmp_init_monitor, 2);
1024 this_thr->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
1025 TCW_4(this_thr->th.th_info.ds.ds_alive, TRUE);
1028 KA_TRACE(10, (
"__kmp_launch_monitor: launched\n"));
1030 monitor = GetCurrentThread();
1033 status = SetThreadPriority(monitor, THREAD_PRIORITY_HIGHEST);
1035 DWORD error = GetLastError();
1036 __kmp_fatal(KMP_MSG(CantSetThreadPriority), KMP_ERR(error), __kmp_msg_null);
1040 __kmp_gtid_set_specific(KMP_GTID_MONITOR);
1041 #ifdef KMP_TDATA_GTID
1042 #error "This define causes problems with LoadLibrary() + declspec(thread) " \
1043 "on Windows* OS. See CQ50564, tests kmp_load_library*.c and this MSDN " \
1044 "reference: http://support.microsoft.com/kb/118816"
1049 __kmp_itt_thread_ignore();
1055 interval = (1000 / __kmp_monitor_wakeups);
1057 while (!TCR_4(__kmp_global.g.g_done)) {
1060 KA_TRACE(15, (
"__kmp_launch_monitor: update\n"));
1062 wait_status = WaitForSingleObject(__kmp_monitor_ev, interval);
1064 if (wait_status == WAIT_TIMEOUT) {
1065 TCW_4(__kmp_global.g.g_time.dt.t_value,
1066 TCR_4(__kmp_global.g.g_time.dt.t_value) + 1);
1072 KA_TRACE(10, (
"__kmp_launch_monitor: finished\n"));
1074 status = SetThreadPriority(monitor, THREAD_PRIORITY_NORMAL);
1076 DWORD error = GetLastError();
1077 __kmp_fatal(KMP_MSG(CantSetThreadPriority), KMP_ERR(error), __kmp_msg_null);
1080 if (__kmp_global.g.g_abort != 0) {
1085 KA_TRACE(10, (
"__kmp_launch_monitor: terminate sig=%d\n",
1086 (__kmp_global.g.g_abort)));
1091 for (gtid = 1; gtid < __kmp_threads_capacity; ++gtid)
1092 __kmp_terminate_thread(gtid);
1099 (
"__kmp_launch_monitor: raise sig=%d\n", __kmp_global.g.g_abort));
1101 if (__kmp_global.g.g_abort > 0) {
1102 raise(__kmp_global.g.g_abort);
1106 TCW_4(this_thr->th.th_info.ds.ds_alive, FALSE);
1113 void __kmp_create_worker(
int gtid, kmp_info_t *th,
size_t stack_size) {
1114 kmp_thread_t handle;
1117 KA_TRACE(10, (
"__kmp_create_worker: try to create thread (%d)\n", gtid));
1119 th->th.th_info.ds.ds_gtid = gtid;
1121 if (KMP_UBER_GTID(gtid)) {
1129 rc = DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
1130 GetCurrentProcess(), &th->th.th_info.ds.ds_thread, 0,
1131 FALSE, DUPLICATE_SAME_ACCESS);
1133 KA_TRACE(10, (
" __kmp_create_worker: ROOT Handle duplicated, th = %p, "
1134 "handle = %" KMP_UINTPTR_SPEC
"\n",
1135 (LPVOID)th, th->th.th_info.ds.ds_thread));
1136 th->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
1138 if (TCR_4(__kmp_gtid_mode) < 2) {
1140 TCW_PTR(th->th.th_info.ds.ds_stackbase, &stack_data);
1141 TCW_PTR(th->th.th_info.ds.ds_stacksize, 0);
1142 TCW_4(th->th.th_info.ds.ds_stackgrow, TRUE);
1143 __kmp_check_stack_overlap(th);
1150 (
"__kmp_create_worker: stack_size = %" KMP_SIZE_T_SPEC
" bytes\n",
1153 stack_size += gtid * __kmp_stkoffset;
1155 TCW_PTR(th->th.th_info.ds.ds_stacksize, stack_size);
1156 TCW_4(th->th.th_info.ds.ds_stackgrow, FALSE);
1159 (
"__kmp_create_worker: (before) stack_size = %" KMP_SIZE_T_SPEC
1160 " bytes, &__kmp_launch_worker = %p, th = %p, &idThread = %p\n",
1161 (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)&__kmp_launch_worker,
1162 (LPVOID)th, &idThread));
1164 handle = CreateThread(
1165 NULL, (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)__kmp_launch_worker,
1166 (LPVOID)th, STACK_SIZE_PARAM_IS_A_RESERVATION, &idThread);
1169 (
"__kmp_create_worker: (after) stack_size = %" KMP_SIZE_T_SPEC
1170 " bytes, &__kmp_launch_worker = %p, th = %p, "
1171 "idThread = %u, handle = %" KMP_UINTPTR_SPEC
"\n",
1172 (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)&__kmp_launch_worker,
1173 (LPVOID)th, idThread, handle));
1176 DWORD error = GetLastError();
1177 __kmp_fatal(KMP_MSG(CantCreateThread), KMP_ERR(error), __kmp_msg_null);
1179 th->th.th_info.ds.ds_thread = handle;
1185 KA_TRACE(10, (
"__kmp_create_worker: done creating thread (%d)\n", gtid));
1188 int __kmp_still_running(kmp_info_t *th) {
1189 return (WAIT_TIMEOUT == WaitForSingleObject(th->th.th_info.ds.ds_thread, 0));
1193 void __kmp_create_monitor(kmp_info_t *th) {
1194 kmp_thread_t handle;
1196 int ideal, new_ideal;
1198 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME) {
1200 KA_TRACE(10, (
"__kmp_create_monitor: skipping monitor thread because of "
1201 "MAX blocktime\n"));
1202 th->th.th_info.ds.ds_tid = 0;
1203 th->th.th_info.ds.ds_gtid = 0;
1204 TCW_4(__kmp_init_monitor, 2);
1207 KA_TRACE(10, (
"__kmp_create_monitor: try to create monitor\n"));
1211 __kmp_monitor_ev = CreateEvent(NULL, TRUE, FALSE, NULL);
1212 if (__kmp_monitor_ev == NULL) {
1213 DWORD error = GetLastError();
1214 __kmp_fatal(KMP_MSG(CantCreateEvent), KMP_ERR(error), __kmp_msg_null);
1217 __kmp_itt_system_object_created(__kmp_monitor_ev,
"Event");
1220 th->th.th_info.ds.ds_tid = KMP_GTID_MONITOR;
1221 th->th.th_info.ds.ds_gtid = KMP_GTID_MONITOR;
1225 if (__kmp_monitor_stksize == 0) {
1226 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
1228 if (__kmp_monitor_stksize < __kmp_sys_min_stksize) {
1229 __kmp_monitor_stksize = __kmp_sys_min_stksize;
1232 KA_TRACE(10, (
"__kmp_create_monitor: requested stacksize = %d bytes\n",
1233 (
int)__kmp_monitor_stksize));
1235 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
1238 CreateThread(NULL, (SIZE_T)__kmp_monitor_stksize,
1239 (LPTHREAD_START_ROUTINE)__kmp_launch_monitor, (LPVOID)th,
1240 STACK_SIZE_PARAM_IS_A_RESERVATION, &idThread);
1242 DWORD error = GetLastError();
1243 __kmp_fatal(KMP_MSG(CantCreateThread), KMP_ERR(error), __kmp_msg_null);
1245 th->th.th_info.ds.ds_thread = handle;
1249 KA_TRACE(10, (
"__kmp_create_monitor: monitor created %p\n",
1250 (
void *)th->th.th_info.ds.ds_thread));
1260 int __kmp_is_thread_alive(kmp_info_t *th, DWORD *exit_val) {
1262 rc = GetExitCodeThread(th->th.th_info.ds.ds_thread, exit_val);
1264 DWORD error = GetLastError();
1265 __kmp_fatal(KMP_MSG(FunctionError,
"GetExitCodeThread()"), KMP_ERR(error),
1268 return (*exit_val == STILL_ACTIVE);
1271 void __kmp_exit_thread(
int exit_status) {
1272 ExitThread(exit_status);
1276 static void __kmp_reap_common(kmp_info_t *th) {
1282 10, (
"__kmp_reap_common: try to reap (%d)\n", th->th.th_info.ds.ds_gtid));
1299 KMP_FSYNC_SPIN_INIT(obj, (
void *)&th->th.th_info.ds.ds_alive);
1301 KMP_INIT_YIELD(spins);
1304 KMP_FSYNC_SPIN_PREPARE(obj);
1306 __kmp_is_thread_alive(th, &exit_val);
1307 KMP_YIELD_OVERSUB_ELSE_SPIN(spins);
1308 }
while (exit_val == STILL_ACTIVE && TCR_4(th->th.th_info.ds.ds_alive));
1310 if (exit_val == STILL_ACTIVE) {
1311 KMP_FSYNC_CANCEL(obj);
1313 KMP_FSYNC_SPIN_ACQUIRED(obj);
1318 __kmp_free_handle(th->th.th_info.ds.ds_thread);
1323 if (exit_val == STILL_ACTIVE) {
1324 KA_TRACE(1, (
"__kmp_reap_common: thread still active.\n"));
1325 }
else if ((
void *)exit_val != (
void *)th) {
1326 KA_TRACE(1, (
"__kmp_reap_common: ExitProcess / TerminateThread used?\n"));
1330 (
"__kmp_reap_common: done reaping (%d), handle = %" KMP_UINTPTR_SPEC
1332 th->th.th_info.ds.ds_gtid, th->th.th_info.ds.ds_thread));
1334 th->th.th_info.ds.ds_thread = 0;
1335 th->th.th_info.ds.ds_tid = KMP_GTID_DNE;
1336 th->th.th_info.ds.ds_gtid = KMP_GTID_DNE;
1337 th->th.th_info.ds.ds_thread_id = 0;
1343 void __kmp_reap_monitor(kmp_info_t *th) {
1346 KA_TRACE(10, (
"__kmp_reap_monitor: try to reap %p\n",
1347 (
void *)th->th.th_info.ds.ds_thread));
1352 KMP_DEBUG_ASSERT(th->th.th_info.ds.ds_tid == th->th.th_info.ds.ds_gtid);
1353 if (th->th.th_info.ds.ds_gtid != KMP_GTID_MONITOR) {
1354 KA_TRACE(10, (
"__kmp_reap_monitor: monitor did not start, returning\n"));
1360 status = SetEvent(__kmp_monitor_ev);
1361 if (status == FALSE) {
1362 DWORD error = GetLastError();
1363 __kmp_fatal(KMP_MSG(CantSetEvent), KMP_ERR(error), __kmp_msg_null);
1365 KA_TRACE(10, (
"__kmp_reap_monitor: reaping thread (%d)\n",
1366 th->th.th_info.ds.ds_gtid));
1367 __kmp_reap_common(th);
1369 __kmp_free_handle(__kmp_monitor_ev);
1375 void __kmp_reap_worker(kmp_info_t *th) {
1376 KA_TRACE(10, (
"__kmp_reap_worker: reaping thread (%d)\n",
1377 th->th.th_info.ds.ds_gtid));
1378 __kmp_reap_common(th);
1381 #if KMP_HANDLE_SIGNALS
1383 static void __kmp_team_handler(
int signo) {
1384 if (__kmp_global.g.g_abort == 0) {
1386 if (__kmp_debug_buf) {
1387 __kmp_dump_debug_buffer();
1390 TCW_4(__kmp_global.g.g_abort, signo);
1392 TCW_4(__kmp_global.g.g_done, TRUE);
1397 static sig_func_t __kmp_signal(
int signum, sig_func_t handler) {
1398 sig_func_t old = signal(signum, handler);
1399 if (old == SIG_ERR) {
1401 __kmp_fatal(KMP_MSG(FunctionError,
"signal"), KMP_ERR(error),
1407 static void __kmp_install_one_handler(
int sig, sig_func_t handler,
1408 int parallel_init) {
1411 KB_TRACE(60, (
"__kmp_install_one_handler: called: sig=%d\n", sig));
1412 if (parallel_init) {
1413 old = __kmp_signal(sig, handler);
1415 if (old == __kmp_sighldrs[sig]) {
1416 __kmp_siginstalled[sig] = 1;
1418 old = __kmp_signal(sig, old);
1424 old = __kmp_signal(sig, SIG_DFL);
1425 __kmp_sighldrs[sig] = old;
1426 __kmp_signal(sig, old);
1431 static void __kmp_remove_one_handler(
int sig) {
1432 if (__kmp_siginstalled[sig]) {
1435 KB_TRACE(60, (
"__kmp_remove_one_handler: called: sig=%d\n", sig));
1436 old = __kmp_signal(sig, __kmp_sighldrs[sig]);
1437 if (old != __kmp_team_handler) {
1438 KB_TRACE(10, (
"__kmp_remove_one_handler: oops, not our handler, "
1439 "restoring: sig=%d\n",
1441 old = __kmp_signal(sig, old);
1443 __kmp_sighldrs[sig] = NULL;
1444 __kmp_siginstalled[sig] = 0;
1449 void __kmp_install_signals(
int parallel_init) {
1450 KB_TRACE(10, (
"__kmp_install_signals: called\n"));
1451 if (!__kmp_handle_signals) {
1452 KB_TRACE(10, (
"__kmp_install_signals: KMP_HANDLE_SIGNALS is false - "
1453 "handlers not installed\n"));
1456 __kmp_install_one_handler(SIGINT, __kmp_team_handler, parallel_init);
1457 __kmp_install_one_handler(SIGILL, __kmp_team_handler, parallel_init);
1458 __kmp_install_one_handler(SIGABRT, __kmp_team_handler, parallel_init);
1459 __kmp_install_one_handler(SIGFPE, __kmp_team_handler, parallel_init);
1460 __kmp_install_one_handler(SIGSEGV, __kmp_team_handler, parallel_init);
1461 __kmp_install_one_handler(SIGTERM, __kmp_team_handler, parallel_init);
1464 void __kmp_remove_signals(
void) {
1466 KB_TRACE(10, (
"__kmp_remove_signals: called\n"));
1467 for (sig = 1; sig < NSIG; ++sig) {
1468 __kmp_remove_one_handler(sig);
1475 void __kmp_thread_sleep(
int millis) {
1478 status = SleepEx((DWORD)millis, FALSE);
1480 DWORD error = GetLastError();
1481 __kmp_fatal(KMP_MSG(FunctionError,
"SleepEx()"), KMP_ERR(error),
1487 int __kmp_is_address_mapped(
void *addr) {
1489 MEMORY_BASIC_INFORMATION lpBuffer;
1492 dwLength =
sizeof(MEMORY_BASIC_INFORMATION);
1494 status = VirtualQuery(addr, &lpBuffer, dwLength);
1496 return !(((lpBuffer.State == MEM_RESERVE) || (lpBuffer.State == MEM_FREE)) ||
1497 ((lpBuffer.Protect == PAGE_NOACCESS) ||
1498 (lpBuffer.Protect == PAGE_EXECUTE)));
1501 kmp_uint64 __kmp_hardware_timestamp(
void) {
1504 QueryPerformanceCounter((LARGE_INTEGER *)&r);
1509 void __kmp_free_handle(kmp_thread_t tHandle) {
1513 rc = CloseHandle(tHandle);
1515 DWORD error = GetLastError();
1516 __kmp_fatal(KMP_MSG(CantCloseHandle), KMP_ERR(error), __kmp_msg_null);
1520 int __kmp_get_load_balance(
int max) {
1521 static ULONG glb_buff_size = 100 * 1024;
1524 static int glb_running_threads = 0;
1525 static double glb_call_time = 0;
1527 int running_threads = 0;
1528 NTSTATUS status = 0;
1529 ULONG buff_size = 0;
1530 ULONG info_size = 0;
1531 void *buffer = NULL;
1532 PSYSTEM_PROCESS_INFORMATION spi = NULL;
1535 double call_time = 0.0;
1537 __kmp_elapsed(&call_time);
1539 if (glb_call_time &&
1540 (call_time - glb_call_time < __kmp_load_balance_interval)) {
1541 running_threads = glb_running_threads;
1544 glb_call_time = call_time;
1547 if (NtQuerySystemInformation == NULL) {
1548 running_threads = -1;
1559 buff_size = glb_buff_size;
1561 buff_size = 2 * buff_size;
1564 buffer = KMP_INTERNAL_REALLOC(buffer, buff_size);
1565 if (buffer == NULL) {
1566 running_threads = -1;
1569 status = NtQuerySystemInformation(SystemProcessInformation, buffer,
1570 buff_size, &info_size);
1573 }
while (status == STATUS_INFO_LENGTH_MISMATCH);
1574 glb_buff_size = buff_size;
1576 #define CHECK(cond) \
1578 KMP_DEBUG_ASSERT(cond); \
1580 running_threads = -1; \
1585 CHECK(buff_size >= info_size);
1586 spi = PSYSTEM_PROCESS_INFORMATION(buffer);
1588 ptrdiff_t offset = uintptr_t(spi) - uintptr_t(buffer);
1589 CHECK(0 <= offset &&
1590 offset +
sizeof(SYSTEM_PROCESS_INFORMATION) < info_size);
1591 HANDLE pid = spi->ProcessId;
1592 ULONG num = spi->NumberOfThreads;
1595 sizeof(SYSTEM_PROCESS_INFORMATION) +
sizeof(SYSTEM_THREAD) * (num - 1);
1596 CHECK(offset + spi_size <
1598 if (spi->NextEntryOffset != 0) {
1600 spi->NextEntryOffset);
1606 for (
int i = 0; i < num; ++i) {
1607 THREAD_STATE state = spi->Threads[i].State;
1610 if (state == StateRunning) {
1614 if (running_threads >= max) {
1620 if (spi->NextEntryOffset == 0) {
1623 spi = PSYSTEM_PROCESS_INFORMATION(uintptr_t(spi) + spi->NextEntryOffset);
1630 if (buffer != NULL) {
1631 KMP_INTERNAL_FREE(buffer);
1634 glb_running_threads = running_threads;
1636 return running_threads;
1640 void *__kmp_lookup_symbol(
const char *name) {
1641 HANDLE process = GetCurrentProcess();
1643 HMODULE *modules =
nullptr;
1644 if (!EnumProcessModules(process, modules, 0, &needed))
1646 DWORD num_modules = needed /
sizeof(HMODULE);
1647 modules = (HMODULE *)malloc(num_modules *
sizeof(HMODULE));
1648 if (!EnumProcessModules(process, modules, needed, &needed)) {
1652 void *proc =
nullptr;
1653 for (uint32_t i = 0; i < num_modules; i++) {
1654 proc = (
void *)GetProcAddress(modules[i], name);
1663 void __kmp_hidden_helper_worker_thread_wait() {
1664 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1667 void __kmp_do_initialize_hidden_helper_threads() {
1668 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1671 void __kmp_hidden_helper_threads_initz_wait() {
1672 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1675 void __kmp_hidden_helper_initz_release() {
1676 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1679 void __kmp_hidden_helper_main_thread_wait() {
1680 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1683 void __kmp_hidden_helper_main_thread_release() {
1684 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1687 void __kmp_hidden_helper_worker_thread_signal() {
1688 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1691 void __kmp_hidden_helper_threads_deinitz_wait() {
1692 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1695 void __kmp_hidden_helper_threads_deinitz_release() {
1696 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");