inference-engine/thirdparty/movidius/XLink/pc/Win/src/win_synchapi.c

   1 // Copyright (C) 2018-2020 Intel Corporation
   2 // SPDX-License-Identifier: Apache-2.0
   3 //
   4
   5 #include "win_synchapi.h"
   6
   7 int pthread_cond_init(pthread_cond_t* __cond, const pthread_condattr_t* __cond_attr)
   8 {
   9     if (__cond == NULL) {
  10         return ERROR_INVALID_HANDLE;
  11     }
  12
  13     (void)__cond_attr;
  14     InitializeConditionVariable(&__cond->_cv);
  15     return 0;
  16 }
  17
  18 int pthread_cond_destroy(pthread_cond_t* __cond)
  19 {
  20     (void)__cond;
  21     return 0;
  22 }
  23
  24 int pthread_cond_wait(pthread_cond_t *__cond,
  25     pthread_mutex_t *__mutex)
  26 {
  27     if (__cond == NULL || __mutex == NULL)
  28         return ERROR_INVALID_HANDLE;
  29     return pthread_cond_timedwait(__cond, __mutex, NULL);
  30 }
  31
  32 int pthread_cond_timedwait(pthread_cond_t* __cond,
  33     pthread_mutex_t* __mutex,
  34     const struct timespec* __abstime)
  35 {
  36     if (__cond == NULL) {
  37         return ERROR_INVALID_HANDLE;
  38     }
  39
  40     long long msec = INFINITE;
  41     if (__abstime != NULL) {
  42         msec = __abstime->tv_sec * 1000 + __abstime->tv_nsec / 1000000;
  43     }
  44
  45     // SleepConditionVariableCS returns bool=true on success.
  46     if (SleepConditionVariableCS(&__cond->_cv, __mutex, (DWORD)msec))
  47         return 0;
  48
  49     const int rc = (int)GetLastError();
  50     return rc == ERROR_TIMEOUT ? ETIMEDOUT : rc;
  51 }
  52
  53 int pthread_cond_signal(pthread_cond_t *__cond)
  54 {
  55     if (__cond == NULL) {
  56         return ERROR_INVALID_HANDLE;
  57     }
  58
  59     WakeConditionVariable(&__cond->_cv);
  60     return 0;
  61 }
  62
  63 int pthread_cond_broadcast(pthread_cond_t *__cond)
  64 {
  65     if (__cond == NULL) {
  66         return ERROR_INVALID_HANDLE;
  67     }
  68
  69     WakeAllConditionVariable(&__cond->_cv);
  70     return 0;
  71 }