14#include "kmp_affinity.h"
18#include "kmp_wait_release.h"
28#pragma comment(lib, "psapi.lib")
31enum 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;
67 LARGE_INTEGER KernelTime;
68 LARGE_INTEGER UserTime;
69 LARGE_INTEGER CreateTime;
75 ULONG ContextSwitchCount;
80KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, KernelTime) == 0);
82KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, StartAddress) == 28);
83KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, State) == 52);
85KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, StartAddress) == 32);
86KMP_BUILD_ASSERT(offsetof(SYSTEM_THREAD, State) == 68);
89struct 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];
106typedef SYSTEM_PROCESS_INFORMATION *PSYSTEM_PROCESS_INFORMATION;
108KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, NextEntryOffset) == 0);
109KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, CreateTime) == 32);
110KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ImageName) == 56);
112KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ProcessId) == 68);
113KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, HandleCount) == 76);
114KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, VMCounters) == 88);
115KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, IOCounters) == 136);
116KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, Threads) == 184);
118KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, ProcessId) == 80);
119KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, HandleCount) == 96);
120KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, VMCounters) == 112);
121KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, IOCounters) == 208);
122KMP_BUILD_ASSERT(offsetof(SYSTEM_PROCESS_INFORMATION, Threads) == 256);
125typedef NTSTATUS(NTAPI *NtQuerySystemInformation_t)(SYSTEM_INFORMATION_CLASS,
126 PVOID, ULONG, PULONG);
127NtQuerySystemInformation_t NtQuerySystemInformation = NULL;
133static HMODULE kernel32 = NULL;
135#if KMP_HANDLE_SIGNALS
136typedef void (*sig_func_t)(int);
137static sig_func_t __kmp_sighldrs[NSIG];
138static int __kmp_siginstalled[NSIG];
142static HANDLE __kmp_monitor_ev;
144static kmp_int64 __kmp_win32_time;
145double __kmp_win32_tick;
147int __kmp_init_runtime = FALSE;
148CRITICAL_SECTION __kmp_win32_section;
150void __kmp_win32_mutex_init(kmp_win32_mutex_t *mx) {
151 InitializeCriticalSection(&mx->cs);
153 __kmp_itt_system_object_created(&mx->cs,
"Critical Section");
157void __kmp_win32_mutex_destroy(kmp_win32_mutex_t *mx) {
158 DeleteCriticalSection(&mx->cs);
161void __kmp_win32_mutex_lock(kmp_win32_mutex_t *mx) {
162 EnterCriticalSection(&mx->cs);
165int __kmp_win32_mutex_trylock(kmp_win32_mutex_t *mx) {
166 return TryEnterCriticalSection(&mx->cs);
169void __kmp_win32_mutex_unlock(kmp_win32_mutex_t *mx) {
170 LeaveCriticalSection(&mx->cs);
173void __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");
191void __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));
201static 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 flag->unset_sleeping();
244 TCW_PTR(th->th.th_sleep_loc, NULL);
245 th->th.th_sleep_loc_type = flag_unset;
246 KF_TRACE(50, (
"__kmp_win32_cond_wait: exiting, condition "
247 "fulfilled: flag's loc(%p): %u\n",
248 flag->get(), (
unsigned int)flag->load()));
250 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
251 KMP_DEBUG_ASSERT(cv->waiters_count_ > 0);
252 cv->release_count_ = cv->waiters_count_;
253 cv->wait_generation_count_++;
255 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
257 __kmp_win32_mutex_unlock(mx);
265 __kmp_win32_mutex_lock(mx);
266 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
268 cv->waiters_count_--;
269 cv->release_count_--;
271 last_waiter = (cv->release_count_ == 0);
273 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
277 ResetEvent(cv->event_);
281void __kmp_win32_cond_broadcast(kmp_win32_cond_t *cv) {
282 __kmp_win32_mutex_lock(&cv->waiters_count_lock_);
284 if (cv->waiters_count_ > 0) {
285 SetEvent(cv->event_);
288 cv->release_count_ = cv->waiters_count_;
291 cv->wait_generation_count_++;
294 __kmp_win32_mutex_unlock(&cv->waiters_count_lock_);
297void __kmp_win32_cond_signal(kmp_win32_cond_t *cv) {
298 __kmp_win32_cond_broadcast(cv);
301void __kmp_enable(
int new_state) {
302 if (__kmp_init_runtime)
303 LeaveCriticalSection(&__kmp_win32_section);
306void __kmp_disable(
int *old_state) {
309 if (__kmp_init_runtime)
310 EnterCriticalSection(&__kmp_win32_section);
313void __kmp_suspend_initialize(
void) {
316void __kmp_suspend_initialize_thread(kmp_info_t *th) {
317 int old_value = KMP_ATOMIC_LD_RLX(&th->th.th_suspend_init);
318 int new_value = TRUE;
320 if (old_value == new_value)
323 if (old_value == -1 ||
324 !__kmp_atomic_compare_store(&th->th.th_suspend_init, old_value, -1)) {
325 while (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init) != new_value) {
330 __kmp_win32_cond_init(&th->th.th_suspend_cv);
331 __kmp_win32_mutex_init(&th->th.th_suspend_mx);
332 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init, new_value);
336void __kmp_suspend_uninitialize_thread(kmp_info_t *th) {
337 if (KMP_ATOMIC_LD_ACQ(&th->th.th_suspend_init)) {
340 __kmp_win32_cond_destroy(&th->th.th_suspend_cv);
341 __kmp_win32_mutex_destroy(&th->th.th_suspend_mx);
342 KMP_ATOMIC_ST_REL(&th->th.th_suspend_init, FALSE);
346int __kmp_try_suspend_mx(kmp_info_t *th) {
347 return __kmp_win32_mutex_trylock(&th->th.th_suspend_mx);
350void __kmp_lock_suspend_mx(kmp_info_t *th) {
351 __kmp_win32_mutex_lock(&th->th.th_suspend_mx);
354void __kmp_unlock_suspend_mx(kmp_info_t *th) {
355 __kmp_win32_mutex_unlock(&th->th.th_suspend_mx);
361static inline void __kmp_suspend_template(
int th_gtid, C *flag) {
362 kmp_info_t *th = __kmp_threads[th_gtid];
363 typename C::flag_t old_spin;
365 KF_TRACE(30, (
"__kmp_suspend_template: T#%d enter for flag's loc(%p)\n",
366 th_gtid, flag->get()));
368 __kmp_suspend_initialize_thread(th);
369 __kmp_lock_suspend_mx(th);
371 KF_TRACE(10, (
"__kmp_suspend_template: T#%d setting sleep bit for flag's"
373 th_gtid, flag->get()));
377 old_spin = flag->set_sleeping();
378 TCW_PTR(th->th.th_sleep_loc, (
void *)flag);
379 th->th.th_sleep_loc_type = flag->get_type();
380 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME &&
381 __kmp_pause_status != kmp_soft_paused) {
382 flag->unset_sleeping();
383 TCW_PTR(th->th.th_sleep_loc, NULL);
384 th->th.th_sleep_loc_type = flag_unset;
385 __kmp_unlock_suspend_mx(th);
389 KF_TRACE(5, (
"__kmp_suspend_template: T#%d set sleep bit for flag's"
391 th_gtid, flag->get(), (
unsigned int)flag->load()));
393 if (flag->done_check_val(old_spin) || flag->done_check()) {
394 flag->unset_sleeping();
395 TCW_PTR(th->th.th_sleep_loc, NULL);
396 th->th.th_sleep_loc_type = flag_unset;
397 KF_TRACE(5, (
"__kmp_suspend_template: T#%d false alarm, reset sleep bit "
398 "for flag's loc(%p)\n",
399 th_gtid, flag->get()));
402 __kmp_suspend_count++;
407 int deactivated = FALSE;
409 while (flag->is_sleeping()) {
410 KF_TRACE(15, (
"__kmp_suspend_template: T#%d about to perform "
411 "kmp_win32_cond_wait()\n",
416 th->th.th_active = FALSE;
417 if (th->th.th_active_in_pool) {
418 th->th.th_active_in_pool = FALSE;
419 KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
420 KMP_DEBUG_ASSERT(TCR_4(__kmp_thread_pool_active_nth) >= 0);
425 KMP_DEBUG_ASSERT(th->th.th_sleep_loc);
426 KMP_DEBUG_ASSERT(th->th.th_sleep_loc_type == flag->get_type());
428 __kmp_win32_cond_wait(&th->th.th_suspend_cv, &th->th.th_suspend_mx, th,
432 if (flag->is_sleeping()) {
434 (
"__kmp_suspend_template: T#%d spurious wakeup\n", th_gtid));
442 TCW_PTR(th->th.th_sleep_loc, NULL);
443 th->th.th_sleep_loc_type = flag_unset;
445 KMP_DEBUG_ASSERT(!flag->is_sleeping());
446 KMP_DEBUG_ASSERT(!th->th.th_sleep_loc);
450 th->th.th_active = TRUE;
451 if (TCR_4(th->th.th_in_pool)) {
452 KMP_ATOMIC_INC(&__kmp_thread_pool_active_nth);
453 th->th.th_active_in_pool = TRUE;
458 __kmp_unlock_suspend_mx(th);
459 KF_TRACE(30, (
"__kmp_suspend_template: T#%d exit\n", th_gtid));
462template <
bool C,
bool S>
463void __kmp_suspend_32(
int th_gtid, kmp_flag_32<C, S> *flag) {
464 __kmp_suspend_template(th_gtid, flag);
466template <
bool C,
bool S>
467void __kmp_suspend_64(
int th_gtid, kmp_flag_64<C, S> *flag) {
468 __kmp_suspend_template(th_gtid, flag);
470template <
bool C,
bool S>
471void __kmp_atomic_suspend_64(
int th_gtid, kmp_atomic_flag_64<C, S> *flag) {
472 __kmp_suspend_template(th_gtid, flag);
474void __kmp_suspend_oncore(
int th_gtid, kmp_flag_oncore *flag) {
475 __kmp_suspend_template(th_gtid, flag);
478template void __kmp_suspend_32<false, false>(
int, kmp_flag_32<false, false> *);
479template void __kmp_suspend_64<false, true>(
int, kmp_flag_64<false, true> *);
480template void __kmp_suspend_64<true, false>(
int, kmp_flag_64<true, false> *);
482__kmp_atomic_suspend_64<false, true>(
int, kmp_atomic_flag_64<false, true> *);
484__kmp_atomic_suspend_64<true, false>(
int, kmp_atomic_flag_64<true, false> *);
489static inline void __kmp_resume_template(
int target_gtid, C *flag) {
490 kmp_info_t *th = __kmp_threads[target_gtid];
493 int gtid = TCR_4(__kmp_init_gtid) ? __kmp_get_gtid() : -1;
496 KF_TRACE(30, (
"__kmp_resume_template: T#%d wants to wakeup T#%d enter\n",
499 __kmp_suspend_initialize_thread(th);
500 __kmp_lock_suspend_mx(th);
502 if (!flag || flag != th->th.th_sleep_loc) {
505 flag = (C *)th->th.th_sleep_loc;
510 if (!flag || flag->get_type() != th->th.th_sleep_loc_type) {
512 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
513 "awake: flag's loc(%p)\n",
514 gtid, target_gtid, NULL));
515 __kmp_unlock_suspend_mx(th);
518 if (!flag->is_sleeping()) {
519 KF_TRACE(5, (
"__kmp_resume_template: T#%d exiting, thread T#%d already "
520 "awake: flag's loc(%p): %u\n",
521 gtid, target_gtid, flag->get(), (
unsigned int)flag->load()));
522 __kmp_unlock_suspend_mx(th);
526 KMP_DEBUG_ASSERT(flag);
527 flag->unset_sleeping();
528 TCW_PTR(th->th.th_sleep_loc, NULL);
529 th->th.th_sleep_loc_type = flag_unset;
531 KF_TRACE(5, (
"__kmp_resume_template: T#%d about to wakeup T#%d, reset sleep "
532 "bit for flag's loc(%p)\n",
533 gtid, target_gtid, flag->get()));
535 __kmp_win32_cond_signal(&th->th.th_suspend_cv);
536 __kmp_unlock_suspend_mx(th);
538 KF_TRACE(30, (
"__kmp_resume_template: T#%d exiting after signaling wake up"
543template <
bool C,
bool S>
544void __kmp_resume_32(
int target_gtid, kmp_flag_32<C, S> *flag) {
545 __kmp_resume_template(target_gtid, flag);
547template <
bool C,
bool S>
548void __kmp_resume_64(
int target_gtid, kmp_flag_64<C, S> *flag) {
549 __kmp_resume_template(target_gtid, flag);
551template <
bool C,
bool S>
552void __kmp_atomic_resume_64(
int target_gtid, kmp_atomic_flag_64<C, S> *flag) {
553 __kmp_resume_template(target_gtid, flag);
555void __kmp_resume_oncore(
int target_gtid, kmp_flag_oncore *flag) {
556 __kmp_resume_template(target_gtid, flag);
559template void __kmp_resume_32<false, true>(
int, kmp_flag_32<false, true> *);
560template void __kmp_resume_32<false, false>(
int, kmp_flag_32<false, false> *);
561template void __kmp_resume_64<false, true>(
int, kmp_flag_64<false, true> *);
563__kmp_atomic_resume_64<false, true>(
int, kmp_atomic_flag_64<false, true> *);
565void __kmp_yield() { Sleep(0); }
567void __kmp_gtid_set_specific(
int gtid) {
568 if (__kmp_init_gtid) {
569 KA_TRACE(50, (
"__kmp_gtid_set_specific: T#%d key:%d\n", gtid,
570 __kmp_gtid_threadprivate_key));
571 kmp_intptr_t g = (kmp_intptr_t)gtid;
572 if (!TlsSetValue(__kmp_gtid_threadprivate_key, (LPVOID)(g + 1)))
573 KMP_FATAL(TLSSetValueFailed);
575 KA_TRACE(50, (
"__kmp_gtid_set_specific: runtime shutdown, returning\n"));
579int __kmp_gtid_get_specific() {
581 if (!__kmp_init_gtid) {
582 KA_TRACE(50, (
"__kmp_gtid_get_specific: runtime shutdown, returning "
583 "KMP_GTID_SHUTDOWN\n"));
584 return KMP_GTID_SHUTDOWN;
586 gtid = (int)(kmp_intptr_t)TlsGetValue(__kmp_gtid_threadprivate_key);
592 KA_TRACE(50, (
"__kmp_gtid_get_specific: key:%d gtid:%d\n",
593 __kmp_gtid_threadprivate_key, gtid));
597void __kmp_affinity_bind_thread(
int proc) {
598 if (__kmp_num_proc_groups > 1) {
602 KMP_DEBUG_ASSERT((proc >= 0) && (proc < (__kmp_num_proc_groups * CHAR_BIT *
603 sizeof(DWORD_PTR))));
604 ga.Group = proc / (CHAR_BIT *
sizeof(DWORD_PTR));
605 ga.Mask = (
unsigned long long)1 << (proc % (CHAR_BIT *
sizeof(DWORD_PTR)));
606 ga.Reserved[0] = ga.Reserved[1] = ga.Reserved[2] = 0;
608 KMP_DEBUG_ASSERT(__kmp_SetThreadGroupAffinity != NULL);
609 if (__kmp_SetThreadGroupAffinity(GetCurrentThread(), &ga, NULL) == 0) {
610 DWORD error = GetLastError();
611 if (__kmp_affinity_verbose) {
612 kmp_msg_t err_code = KMP_ERR(error);
613 __kmp_msg(kmp_ms_warning, KMP_MSG(CantSetThreadAffMask), err_code,
615 if (__kmp_generate_warnings == kmp_warnings_off) {
616 __kmp_str_free(&err_code.str);
621 kmp_affin_mask_t *mask;
622 KMP_CPU_ALLOC_ON_STACK(mask);
624 KMP_CPU_SET(proc, mask);
625 __kmp_set_system_affinity(mask, TRUE);
626 KMP_CPU_FREE_FROM_STACK(mask);
630void __kmp_affinity_determine_capable(
const char *env_var) {
634#if KMP_GROUP_AFFINITY
635 KMP_AFFINITY_ENABLE(__kmp_num_proc_groups *
sizeof(DWORD_PTR));
637 KMP_AFFINITY_ENABLE(
sizeof(DWORD_PTR));
640 KA_TRACE(10, (
"__kmp_affinity_determine_capable: "
641 "Windows* OS affinity interface functional (mask size = "
642 "%" KMP_SIZE_T_SPEC
").\n",
643 __kmp_affin_mask_size));
646double __kmp_read_cpu_time(
void) {
647 FILETIME CreationTime, ExitTime, KernelTime, UserTime;
653 status = GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime,
654 &KernelTime, &UserTime);
659 sec += KernelTime.dwHighDateTime;
660 sec += UserTime.dwHighDateTime;
663 sec *= (double)(1 << 16) * (double)(1 << 16);
665 sec += KernelTime.dwLowDateTime;
666 sec += UserTime.dwLowDateTime;
668 cpu_time += (sec * 100.0) / KMP_NSEC_PER_SEC;
674int __kmp_read_system_info(
struct kmp_sys_info *info) {
687void __kmp_runtime_initialize(
void) {
692 if (__kmp_init_runtime) {
700 UINT err_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
702 BOOL ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
703 GET_MODULE_HANDLE_EX_FLAG_PIN,
704 (LPCTSTR)&__kmp_serial_initialize, &h);
706 KMP_DEBUG_ASSERT2(h && ret,
"OpenMP RTL cannot find itself loaded");
707 SetErrorMode(err_mode);
708 KA_TRACE(10, (
"__kmp_runtime_initialize: dynamic library pinned\n"));
712 InitializeCriticalSection(&__kmp_win32_section);
714 __kmp_itt_system_object_created(&__kmp_win32_section,
"Critical Section");
716 __kmp_initialize_system_tick();
718#if (KMP_ARCH_X86 || KMP_ARCH_X86_64)
719 if (!__kmp_cpuinfo.initialized) {
720 __kmp_query_cpuid(&__kmp_cpuinfo);
725#if KMP_OS_WINDOWS && !KMP_DYNAMIC_LIB
740 __kmp_tls_gtid_min = 0;
742 __kmp_tls_gtid_min = KMP_TLS_GTID_MIN;
746 if (!__kmp_gtid_threadprivate_key) {
747 __kmp_gtid_threadprivate_key = TlsAlloc();
748 if (__kmp_gtid_threadprivate_key == TLS_OUT_OF_INDEXES) {
749 KMP_FATAL(TLSOutOfIndexes);
757 __kmp_str_buf_init(&path);
758 path_size = GetSystemDirectory(path.str, path.size);
759 KMP_DEBUG_ASSERT(path_size > 0);
760 if (path_size >= path.size) {
762 __kmp_str_buf_reserve(&path, path_size);
763 path_size = GetSystemDirectory(path.str, path.size);
764 KMP_DEBUG_ASSERT(path_size > 0);
766 if (path_size > 0 && path_size < path.size) {
769 path.used = path_size;
770 __kmp_str_buf_print(&path,
"\\%s",
"ntdll.dll");
773 ntdll = GetModuleHandle(path.str);
776 KMP_DEBUG_ASSERT(ntdll != NULL);
778 NtQuerySystemInformation = (NtQuerySystemInformation_t)GetProcAddress(
779 ntdll,
"NtQuerySystemInformation");
781 KMP_DEBUG_ASSERT(NtQuerySystemInformation != NULL);
783#if KMP_GROUP_AFFINITY
786 if (path_size > 0 && path_size < path.size) {
789 path.used = path_size;
790 __kmp_str_buf_print(&path,
"\\%s",
"kernel32.dll");
793 kernel32 = GetModuleHandle(path.str);
794 KA_TRACE(10, (
"__kmp_runtime_initialize: kernel32.dll = %s\n", path.str));
798 if (kernel32 != NULL) {
799 __kmp_GetActiveProcessorCount =
800 (kmp_GetActiveProcessorCount_t)GetProcAddress(
801 kernel32,
"GetActiveProcessorCount");
802 __kmp_GetActiveProcessorGroupCount =
803 (kmp_GetActiveProcessorGroupCount_t)GetProcAddress(
804 kernel32,
"GetActiveProcessorGroupCount");
805 __kmp_GetThreadGroupAffinity =
806 (kmp_GetThreadGroupAffinity_t)GetProcAddress(
807 kernel32,
"GetThreadGroupAffinity");
808 __kmp_SetThreadGroupAffinity =
809 (kmp_SetThreadGroupAffinity_t)GetProcAddress(
810 kernel32,
"SetThreadGroupAffinity");
812 KA_TRACE(10, (
"__kmp_runtime_initialize: __kmp_GetActiveProcessorCount"
814 __kmp_GetActiveProcessorCount));
815 KA_TRACE(10, (
"__kmp_runtime_initialize: "
816 "__kmp_GetActiveProcessorGroupCount = %p\n",
817 __kmp_GetActiveProcessorGroupCount));
818 KA_TRACE(10, (
"__kmp_runtime_initialize:__kmp_GetThreadGroupAffinity"
820 __kmp_GetThreadGroupAffinity));
821 KA_TRACE(10, (
"__kmp_runtime_initialize: __kmp_SetThreadGroupAffinity"
823 __kmp_SetThreadGroupAffinity));
824 KA_TRACE(10, (
"__kmp_runtime_initialize: sizeof(kmp_affin_mask_t) = %d\n",
825 sizeof(kmp_affin_mask_t)));
832 if ((__kmp_GetActiveProcessorCount != NULL) &&
833 (__kmp_GetActiveProcessorGroupCount != NULL) &&
834 (__kmp_GetThreadGroupAffinity != NULL) &&
835 (__kmp_SetThreadGroupAffinity != NULL) &&
836 ((__kmp_num_proc_groups = __kmp_GetActiveProcessorGroupCount()) >
841 KA_TRACE(10, (
"__kmp_runtime_initialize: %d processor groups"
843 __kmp_num_proc_groups));
847 for (i = 0; i < __kmp_num_proc_groups; i++) {
848 DWORD size = __kmp_GetActiveProcessorCount(i);
850 KA_TRACE(10, (
"__kmp_runtime_initialize: proc group %d size = %d\n",
854 KA_TRACE(10, (
"__kmp_runtime_initialize: %d processor groups"
856 __kmp_num_proc_groups));
860 if (__kmp_num_proc_groups <= 1) {
861 GetSystemInfo(&info);
862 __kmp_xproc = info.dwNumberOfProcessors;
866 GetSystemInfo(&info);
867 __kmp_xproc = info.dwNumberOfProcessors;
872 if (__kmp_xproc <= 0) {
877 (
"__kmp_runtime_initialize: total processors = %d\n", __kmp_xproc));
879 __kmp_str_buf_free(&path);
882 __kmp_itt_initialize();
885 __kmp_init_runtime = TRUE;
888void __kmp_runtime_destroy(
void) {
889 if (!__kmp_init_runtime) {
899 KA_TRACE(40, (
"__kmp_runtime_destroy\n"));
901 if (__kmp_gtid_threadprivate_key) {
902 TlsFree(__kmp_gtid_threadprivate_key);
903 __kmp_gtid_threadprivate_key = 0;
906 __kmp_affinity_uninitialize();
907 DeleteCriticalSection(&__kmp_win32_section);
910 NtQuerySystemInformation = NULL;
914 __kmp_GetActiveProcessorCount = NULL;
915 __kmp_GetActiveProcessorGroupCount = NULL;
916 __kmp_GetThreadGroupAffinity = NULL;
917 __kmp_SetThreadGroupAffinity = NULL;
920 __kmp_init_runtime = FALSE;
923void __kmp_terminate_thread(
int gtid) {
924 kmp_info_t *th = __kmp_threads[gtid];
929 KA_TRACE(10, (
"__kmp_terminate_thread: kill (%d)\n", gtid));
931 if (TerminateThread(th->th.th_info.ds.ds_thread, (DWORD)-1) == FALSE) {
934 __kmp_free_handle(th->th.th_info.ds.ds_thread);
937void __kmp_clear_system_time(
void) {
939 QueryPerformanceCounter(&time);
940 __kmp_win32_time = (kmp_int64)time.QuadPart;
943void __kmp_initialize_system_tick(
void) {
948 status = QueryPerformanceFrequency(&freq);
950 DWORD error = GetLastError();
951 __kmp_fatal(KMP_MSG(FunctionError,
"QueryPerformanceFrequency()"),
952 KMP_ERR(error), __kmp_msg_null);
955 __kmp_win32_tick = ((double)1.0) / (double)freq.QuadPart;
962void __kmp_elapsed(
double *t) {
964 QueryPerformanceCounter(&now);
965 *t = ((double)now.QuadPart) * __kmp_win32_tick;
970void __kmp_elapsed_tick(
double *t) { *t = __kmp_win32_tick; }
972void __kmp_read_system_time(
double *delta) {
975 QueryPerformanceCounter(&now);
976 *delta = ((double)(((kmp_int64)now.QuadPart) - __kmp_win32_time)) *
982kmp_uint64 __kmp_now_nsec() {
984 QueryPerformanceCounter(&now);
985 return 1e9 * __kmp_win32_tick * now.QuadPart;
988extern "C" void *__stdcall __kmp_launch_worker(
void *arg) {
989 volatile void *stack_data;
992 kmp_info_t *this_thr = (kmp_info_t *)arg;
995 gtid = this_thr->th.th_info.ds.ds_gtid;
996 __kmp_gtid_set_specific(gtid);
998#error "This define causes problems with LoadLibrary() + declspec(thread) " \
999 "on Windows* OS. See CQ50564, tests kmp_load_library*.c and this MSDN " \
1000 "reference: http://support.microsoft.com/kb/118816"
1005 __kmp_itt_thread_name(gtid);
1008 __kmp_affinity_set_init_mask(gtid, FALSE);
1010#if KMP_ARCH_X86 || KMP_ARCH_X86_64
1012 __kmp_clear_x87_fpu_status_word();
1013 __kmp_load_x87_fpu_control_word(&__kmp_init_x87_fpu_control_word);
1014 __kmp_load_mxcsr(&__kmp_init_mxcsr);
1017 if (__kmp_stkoffset > 0 && gtid > 0) {
1018 padding = KMP_ALLOCA(gtid * __kmp_stkoffset);
1022 KMP_FSYNC_RELEASING(&this_thr->th.th_info.ds.ds_alive);
1023 this_thr->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
1024 TCW_4(this_thr->th.th_info.ds.ds_alive, TRUE);
1026 if (TCR_4(__kmp_gtid_mode) <
1028 TCW_PTR(this_thr->th.th_info.ds.ds_stackbase, &stack_data);
1029 KMP_ASSERT(this_thr->th.th_info.ds.ds_stackgrow == FALSE);
1030 __kmp_check_stack_overlap(this_thr);
1033 exit_val = __kmp_launch_thread(this_thr);
1034 KMP_FSYNC_RELEASING(&this_thr->th.th_info.ds.ds_alive);
1035 TCW_4(this_thr->th.th_info.ds.ds_alive, FALSE);
1043void *__stdcall __kmp_launch_monitor(
void *arg) {
1045 kmp_thread_t monitor;
1048 kmp_info_t *this_thr = (kmp_info_t *)arg;
1050 KMP_DEBUG_ASSERT(__kmp_init_monitor);
1051 TCW_4(__kmp_init_monitor, 2);
1053 this_thr->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
1054 TCW_4(this_thr->th.th_info.ds.ds_alive, TRUE);
1057 KA_TRACE(10, (
"__kmp_launch_monitor: launched\n"));
1059 monitor = GetCurrentThread();
1062 status = SetThreadPriority(monitor, THREAD_PRIORITY_HIGHEST);
1064 DWORD error = GetLastError();
1065 __kmp_fatal(KMP_MSG(CantSetThreadPriority), KMP_ERR(error), __kmp_msg_null);
1069 __kmp_gtid_set_specific(KMP_GTID_MONITOR);
1070#ifdef KMP_TDATA_GTID
1071#error "This define causes problems with LoadLibrary() + declspec(thread) " \
1072 "on Windows* OS. See CQ50564, tests kmp_load_library*.c and this MSDN " \
1073 "reference: http://support.microsoft.com/kb/118816"
1078 __kmp_itt_thread_ignore();
1084 interval = (1000 / __kmp_monitor_wakeups);
1086 while (!TCR_4(__kmp_global.g.g_done)) {
1089 KA_TRACE(15, (
"__kmp_launch_monitor: update\n"));
1091 wait_status = WaitForSingleObject(__kmp_monitor_ev, interval);
1093 if (wait_status == WAIT_TIMEOUT) {
1094 TCW_4(__kmp_global.g.g_time.dt.t_value,
1095 TCR_4(__kmp_global.g.g_time.dt.t_value) + 1);
1101 KA_TRACE(10, (
"__kmp_launch_monitor: finished\n"));
1103 status = SetThreadPriority(monitor, THREAD_PRIORITY_NORMAL);
1105 DWORD error = GetLastError();
1106 __kmp_fatal(KMP_MSG(CantSetThreadPriority), KMP_ERR(error), __kmp_msg_null);
1109 if (__kmp_global.g.g_abort != 0) {
1114 KA_TRACE(10, (
"__kmp_launch_monitor: terminate sig=%d\n",
1115 (__kmp_global.g.g_abort)));
1120 for (gtid = 1; gtid < __kmp_threads_capacity; ++gtid)
1121 __kmp_terminate_thread(gtid);
1128 (
"__kmp_launch_monitor: raise sig=%d\n", __kmp_global.g.g_abort));
1130 if (__kmp_global.g.g_abort > 0) {
1131 raise(__kmp_global.g.g_abort);
1135 TCW_4(this_thr->th.th_info.ds.ds_alive, FALSE);
1142void __kmp_create_worker(
int gtid, kmp_info_t *th,
size_t stack_size) {
1143 kmp_thread_t handle;
1146 KA_TRACE(10, (
"__kmp_create_worker: try to create thread (%d)\n", gtid));
1148 th->th.th_info.ds.ds_gtid = gtid;
1150 if (KMP_UBER_GTID(gtid)) {
1158 rc = DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
1159 GetCurrentProcess(), &th->th.th_info.ds.ds_thread, 0,
1160 FALSE, DUPLICATE_SAME_ACCESS);
1162 KA_TRACE(10, (
" __kmp_create_worker: ROOT Handle duplicated, th = %p, "
1163 "handle = %" KMP_UINTPTR_SPEC
"\n",
1164 (LPVOID)th, th->th.th_info.ds.ds_thread));
1165 th->th.th_info.ds.ds_thread_id = GetCurrentThreadId();
1167 if (TCR_4(__kmp_gtid_mode) < 2) {
1169 TCW_PTR(th->th.th_info.ds.ds_stackbase, &stack_data);
1170 TCW_PTR(th->th.th_info.ds.ds_stacksize, 0);
1171 TCW_4(th->th.th_info.ds.ds_stackgrow, TRUE);
1172 __kmp_check_stack_overlap(th);
1179 (
"__kmp_create_worker: stack_size = %" KMP_SIZE_T_SPEC
" bytes\n",
1182 stack_size += gtid * __kmp_stkoffset;
1184 TCW_PTR(th->th.th_info.ds.ds_stacksize, stack_size);
1185 TCW_4(th->th.th_info.ds.ds_stackgrow, FALSE);
1188 (
"__kmp_create_worker: (before) stack_size = %" KMP_SIZE_T_SPEC
1189 " bytes, &__kmp_launch_worker = %p, th = %p, &idThread = %p\n",
1190 (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)&__kmp_launch_worker,
1191 (LPVOID)th, &idThread));
1193 handle = CreateThread(
1194 NULL, (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)__kmp_launch_worker,
1195 (LPVOID)th, STACK_SIZE_PARAM_IS_A_RESERVATION, &idThread);
1198 (
"__kmp_create_worker: (after) stack_size = %" KMP_SIZE_T_SPEC
1199 " bytes, &__kmp_launch_worker = %p, th = %p, "
1200 "idThread = %u, handle = %" KMP_UINTPTR_SPEC
"\n",
1201 (SIZE_T)stack_size, (LPTHREAD_START_ROUTINE)&__kmp_launch_worker,
1202 (LPVOID)th, idThread, handle));
1205 DWORD error = GetLastError();
1206 __kmp_fatal(KMP_MSG(CantCreateThread), KMP_ERR(error), __kmp_msg_null);
1208 th->th.th_info.ds.ds_thread = handle;
1214 KA_TRACE(10, (
"__kmp_create_worker: done creating thread (%d)\n", gtid));
1217int __kmp_still_running(kmp_info_t *th) {
1218 return (WAIT_TIMEOUT == WaitForSingleObject(th->th.th_info.ds.ds_thread, 0));
1222void __kmp_create_monitor(kmp_info_t *th) {
1223 kmp_thread_t handle;
1225 int ideal, new_ideal;
1227 if (__kmp_dflt_blocktime == KMP_MAX_BLOCKTIME) {
1229 KA_TRACE(10, (
"__kmp_create_monitor: skipping monitor thread because of "
1230 "MAX blocktime\n"));
1231 th->th.th_info.ds.ds_tid = 0;
1232 th->th.th_info.ds.ds_gtid = 0;
1233 TCW_4(__kmp_init_monitor, 2);
1236 KA_TRACE(10, (
"__kmp_create_monitor: try to create monitor\n"));
1240 __kmp_monitor_ev = CreateEvent(NULL, TRUE, FALSE, NULL);
1241 if (__kmp_monitor_ev == NULL) {
1242 DWORD error = GetLastError();
1243 __kmp_fatal(KMP_MSG(CantCreateEvent), KMP_ERR(error), __kmp_msg_null);
1246 __kmp_itt_system_object_created(__kmp_monitor_ev,
"Event");
1249 th->th.th_info.ds.ds_tid = KMP_GTID_MONITOR;
1250 th->th.th_info.ds.ds_gtid = KMP_GTID_MONITOR;
1254 if (__kmp_monitor_stksize == 0) {
1255 __kmp_monitor_stksize = KMP_DEFAULT_MONITOR_STKSIZE;
1257 if (__kmp_monitor_stksize < __kmp_sys_min_stksize) {
1258 __kmp_monitor_stksize = __kmp_sys_min_stksize;
1261 KA_TRACE(10, (
"__kmp_create_monitor: requested stacksize = %d bytes\n",
1262 (
int)__kmp_monitor_stksize));
1264 TCW_4(__kmp_global.g.g_time.dt.t_value, 0);
1267 CreateThread(NULL, (SIZE_T)__kmp_monitor_stksize,
1268 (LPTHREAD_START_ROUTINE)__kmp_launch_monitor, (LPVOID)th,
1269 STACK_SIZE_PARAM_IS_A_RESERVATION, &idThread);
1271 DWORD error = GetLastError();
1272 __kmp_fatal(KMP_MSG(CantCreateThread), KMP_ERR(error), __kmp_msg_null);
1274 th->th.th_info.ds.ds_thread = handle;
1278 KA_TRACE(10, (
"__kmp_create_monitor: monitor created %p\n",
1279 (
void *)th->th.th_info.ds.ds_thread));
1289int __kmp_is_thread_alive(kmp_info_t *th, DWORD *exit_val) {
1291 rc = GetExitCodeThread(th->th.th_info.ds.ds_thread, exit_val);
1293 DWORD error = GetLastError();
1294 __kmp_fatal(KMP_MSG(FunctionError,
"GetExitCodeThread()"), KMP_ERR(error),
1297 return (*exit_val == STILL_ACTIVE);
1300void __kmp_exit_thread(
int exit_status) {
1301 ExitThread(exit_status);
1305static void __kmp_reap_common(kmp_info_t *th) {
1311 10, (
"__kmp_reap_common: try to reap (%d)\n", th->th.th_info.ds.ds_gtid));
1329 KMP_FSYNC_SPIN_INIT(obj, (
void *)&th->th.th_info.ds.ds_alive);
1331 KMP_INIT_YIELD(spins);
1332 KMP_INIT_BACKOFF(time);
1335 KMP_FSYNC_SPIN_PREPARE(obj);
1337 __kmp_is_thread_alive(th, &exit_val);
1338 KMP_YIELD_OVERSUB_ELSE_SPIN(spins, time);
1339 }
while (exit_val == STILL_ACTIVE && TCR_4(th->th.th_info.ds.ds_alive));
1341 if (exit_val == STILL_ACTIVE) {
1342 KMP_FSYNC_CANCEL(obj);
1344 KMP_FSYNC_SPIN_ACQUIRED(obj);
1349 __kmp_free_handle(th->th.th_info.ds.ds_thread);
1354 kmp_intptr_t e = (kmp_intptr_t)exit_val;
1355 if (exit_val == STILL_ACTIVE) {
1356 KA_TRACE(1, (
"__kmp_reap_common: thread still active.\n"));
1357 }
else if ((
void *)e != (
void *)th) {
1358 KA_TRACE(1, (
"__kmp_reap_common: ExitProcess / TerminateThread used?\n"));
1362 (
"__kmp_reap_common: done reaping (%d), handle = %" KMP_UINTPTR_SPEC
1364 th->th.th_info.ds.ds_gtid, th->th.th_info.ds.ds_thread));
1366 th->th.th_info.ds.ds_thread = 0;
1367 th->th.th_info.ds.ds_tid = KMP_GTID_DNE;
1368 th->th.th_info.ds.ds_gtid = KMP_GTID_DNE;
1369 th->th.th_info.ds.ds_thread_id = 0;
1375void __kmp_reap_monitor(kmp_info_t *th) {
1378 KA_TRACE(10, (
"__kmp_reap_monitor: try to reap %p\n",
1379 (
void *)th->th.th_info.ds.ds_thread));
1384 KMP_DEBUG_ASSERT(th->th.th_info.ds.ds_tid == th->th.th_info.ds.ds_gtid);
1385 if (th->th.th_info.ds.ds_gtid != KMP_GTID_MONITOR) {
1386 KA_TRACE(10, (
"__kmp_reap_monitor: monitor did not start, returning\n"));
1392 status = SetEvent(__kmp_monitor_ev);
1393 if (status == FALSE) {
1394 DWORD error = GetLastError();
1395 __kmp_fatal(KMP_MSG(CantSetEvent), KMP_ERR(error), __kmp_msg_null);
1397 KA_TRACE(10, (
"__kmp_reap_monitor: reaping thread (%d)\n",
1398 th->th.th_info.ds.ds_gtid));
1399 __kmp_reap_common(th);
1401 __kmp_free_handle(__kmp_monitor_ev);
1407void __kmp_reap_worker(kmp_info_t *th) {
1408 KA_TRACE(10, (
"__kmp_reap_worker: reaping thread (%d)\n",
1409 th->th.th_info.ds.ds_gtid));
1410 __kmp_reap_common(th);
1413#if KMP_HANDLE_SIGNALS
1415static void __kmp_team_handler(
int signo) {
1416 if (__kmp_global.g.g_abort == 0) {
1418 if (__kmp_debug_buf) {
1419 __kmp_dump_debug_buffer();
1422 TCW_4(__kmp_global.g.g_abort, signo);
1424 TCW_4(__kmp_global.g.g_done, TRUE);
1429static sig_func_t __kmp_signal(
int signum, sig_func_t handler) {
1430 sig_func_t old = signal(signum, handler);
1431 if (old == SIG_ERR) {
1433 __kmp_fatal(KMP_MSG(FunctionError,
"signal"), KMP_ERR(error),
1439static void __kmp_install_one_handler(
int sig, sig_func_t handler,
1440 int parallel_init) {
1443 KB_TRACE(60, (
"__kmp_install_one_handler: called: sig=%d\n", sig));
1444 if (parallel_init) {
1445 old = __kmp_signal(sig, handler);
1447 if (old == __kmp_sighldrs[sig]) {
1448 __kmp_siginstalled[sig] = 1;
1450 old = __kmp_signal(sig, old);
1456 old = __kmp_signal(sig, SIG_DFL);
1457 __kmp_sighldrs[sig] = old;
1458 __kmp_signal(sig, old);
1463static void __kmp_remove_one_handler(
int sig) {
1464 if (__kmp_siginstalled[sig]) {
1467 KB_TRACE(60, (
"__kmp_remove_one_handler: called: sig=%d\n", sig));
1468 old = __kmp_signal(sig, __kmp_sighldrs[sig]);
1469 if (old != __kmp_team_handler) {
1470 KB_TRACE(10, (
"__kmp_remove_one_handler: oops, not our handler, "
1471 "restoring: sig=%d\n",
1473 old = __kmp_signal(sig, old);
1475 __kmp_sighldrs[sig] = NULL;
1476 __kmp_siginstalled[sig] = 0;
1481void __kmp_install_signals(
int parallel_init) {
1482 KB_TRACE(10, (
"__kmp_install_signals: called\n"));
1483 if (!__kmp_handle_signals) {
1484 KB_TRACE(10, (
"__kmp_install_signals: KMP_HANDLE_SIGNALS is false - "
1485 "handlers not installed\n"));
1488 __kmp_install_one_handler(SIGINT, __kmp_team_handler, parallel_init);
1489 __kmp_install_one_handler(SIGILL, __kmp_team_handler, parallel_init);
1490 __kmp_install_one_handler(SIGABRT, __kmp_team_handler, parallel_init);
1491 __kmp_install_one_handler(SIGFPE, __kmp_team_handler, parallel_init);
1492 __kmp_install_one_handler(SIGSEGV, __kmp_team_handler, parallel_init);
1493 __kmp_install_one_handler(SIGTERM, __kmp_team_handler, parallel_init);
1496void __kmp_remove_signals(
void) {
1498 KB_TRACE(10, (
"__kmp_remove_signals: called\n"));
1499 for (sig = 1; sig < NSIG; ++sig) {
1500 __kmp_remove_one_handler(sig);
1507void __kmp_thread_sleep(
int millis) {
1510 status = SleepEx((DWORD)millis, FALSE);
1512 DWORD error = GetLastError();
1513 __kmp_fatal(KMP_MSG(FunctionError,
"SleepEx()"), KMP_ERR(error),
1519int __kmp_is_address_mapped(
void *addr) {
1520 MEMORY_BASIC_INFORMATION lpBuffer;
1523 dwLength =
sizeof(MEMORY_BASIC_INFORMATION);
1525 VirtualQuery(addr, &lpBuffer, dwLength);
1527 return !(((lpBuffer.State == MEM_RESERVE) || (lpBuffer.State == MEM_FREE)) ||
1528 ((lpBuffer.Protect == PAGE_NOACCESS) ||
1529 (lpBuffer.Protect == PAGE_EXECUTE)));
1532kmp_uint64 __kmp_hardware_timestamp(
void) {
1535 QueryPerformanceCounter((LARGE_INTEGER *)&r);
1540void __kmp_free_handle(kmp_thread_t tHandle) {
1544 rc = CloseHandle(tHandle);
1546 DWORD error = GetLastError();
1547 __kmp_fatal(KMP_MSG(CantCloseHandle), KMP_ERR(error), __kmp_msg_null);
1551int __kmp_get_load_balance(
int max) {
1552 static ULONG glb_buff_size = 100 * 1024;
1555 static int glb_running_threads = 0;
1556 static double glb_call_time = 0;
1558 int running_threads = 0;
1559 NTSTATUS status = 0;
1560 ULONG buff_size = 0;
1561 ULONG info_size = 0;
1562 void *buffer = NULL;
1563 PSYSTEM_PROCESS_INFORMATION spi = NULL;
1566 double call_time = 0.0;
1568 __kmp_elapsed(&call_time);
1570 if (glb_call_time &&
1571 (call_time - glb_call_time < __kmp_load_balance_interval)) {
1572 running_threads = glb_running_threads;
1575 glb_call_time = call_time;
1578 if (NtQuerySystemInformation == NULL) {
1579 running_threads = -1;
1590 buff_size = glb_buff_size;
1592 buff_size = 2 * buff_size;
1595 buffer = KMP_INTERNAL_REALLOC(buffer, buff_size);
1596 if (buffer == NULL) {
1597 running_threads = -1;
1600 status = NtQuerySystemInformation(SystemProcessInformation, buffer,
1601 buff_size, &info_size);
1604 }
while (status == STATUS_INFO_LENGTH_MISMATCH);
1605 glb_buff_size = buff_size;
1607#define CHECK(cond) \
1609 KMP_DEBUG_ASSERT(cond); \
1611 running_threads = -1; \
1616 CHECK(buff_size >= info_size);
1617 spi = PSYSTEM_PROCESS_INFORMATION(buffer);
1619 ptrdiff_t offset = uintptr_t(spi) - uintptr_t(buffer);
1620 CHECK(0 <= offset &&
1621 offset +
sizeof(SYSTEM_PROCESS_INFORMATION) < info_size);
1622 HANDLE pid = spi->ProcessId;
1623 ULONG num = spi->NumberOfThreads;
1626 sizeof(SYSTEM_PROCESS_INFORMATION) +
sizeof(SYSTEM_THREAD) * (num - 1);
1627 CHECK(offset + spi_size <
1629 if (spi->NextEntryOffset != 0) {
1631 spi->NextEntryOffset);
1637 for (
int i = 0; i < num; ++i) {
1638 THREAD_STATE state = spi->Threads[i].State;
1641 if (state == StateRunning) {
1645 if (running_threads >= max) {
1651 if (spi->NextEntryOffset == 0) {
1654 spi = PSYSTEM_PROCESS_INFORMATION(uintptr_t(spi) + spi->NextEntryOffset);
1661 if (buffer != NULL) {
1662 KMP_INTERNAL_FREE(buffer);
1665 glb_running_threads = running_threads;
1667 return running_threads;
1671void *__kmp_lookup_symbol(
const char *name) {
1672 HANDLE process = GetCurrentProcess();
1674 HMODULE *modules =
nullptr;
1675 if (!EnumProcessModules(process, modules, 0, &needed))
1677 DWORD num_modules = needed /
sizeof(HMODULE);
1678 modules = (HMODULE *)malloc(num_modules *
sizeof(HMODULE));
1679 if (!EnumProcessModules(process, modules, needed, &needed)) {
1683 void *proc =
nullptr;
1684 for (uint32_t i = 0; i < num_modules; i++) {
1685 proc = (
void *)GetProcAddress(modules[i], name);
1694void __kmp_hidden_helper_worker_thread_wait() {
1695 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1698void __kmp_do_initialize_hidden_helper_threads() {
1699 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1702void __kmp_hidden_helper_threads_initz_wait() {
1703 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1706void __kmp_hidden_helper_initz_release() {
1707 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1710void __kmp_hidden_helper_main_thread_wait() {
1711 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1714void __kmp_hidden_helper_main_thread_release() {
1715 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1718void __kmp_hidden_helper_worker_thread_signal() {
1719 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1722void __kmp_hidden_helper_threads_deinitz_wait() {
1723 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");
1726void __kmp_hidden_helper_threads_deinitz_release() {
1727 KMP_ASSERT(0 &&
"Hidden helper task is not supported on Windows");