Lines Matching refs:sem

103 static void sys_sem_free_internal(struct sys_sem *sem);
352   struct sys_sem *sem;
354   sem = (struct sys_sem *)malloc(sizeof(struct sys_sem));
355   if (sem != NULL) {
356     sem->c = count;
357     pthread_cond_init(&(sem->cond), NULL);
358     pthread_mutex_init(&(sem->mutex), NULL);
360   return sem;
364 sys_sem_new(struct sys_sem **sem, u8_t count)
366   SYS_STATS_INC_USED(sem);
367   *sem = sys_sem_new_internal(count);
368   if (*sem == NULL) {
419   struct sys_sem *sem;
420   LWIP_ASSERT("invalid sem", (s != NULL) && (*s != NULL));
421   sem = *s;
423   pthread_mutex_lock(&(sem->mutex));
424   while (sem->c <= 0) {
426       time_needed = cond_wait(&(sem->cond), &(sem->mutex), timeout);
429         pthread_mutex_unlock(&(sem->mutex));
432       /*      pthread_mutex_unlock(&(sem->mutex));
435       cond_wait(&(sem->cond), &(sem->mutex), 0);
438   sem->c--;
439   pthread_mutex_unlock(&(sem->mutex));
446   struct sys_sem *sem;
447   LWIP_ASSERT("invalid sem", (s != NULL) && (*s != NULL));
448   sem = *s;
450   pthread_mutex_lock(&(sem->mutex));
451   sem->c++;
453   if (sem->c > 1) {
454     sem->c = 1;
457   pthread_cond_broadcast(&(sem->cond));
458   pthread_mutex_unlock(&(sem->mutex));
462 sys_sem_free_internal(struct sys_sem *sem)
464   pthread_cond_destroy(&(sem->cond));
465   pthread_mutex_destroy(&(sem->mutex));
466   free(sem);
470 sys_sem_free(struct sys_sem **sem)
472   if ((sem != NULL) && (*sem != SYS_SEM_NULL)) {
473     SYS_STATS_DEC(sem.used);
474     sys_sem_free_internal(*sem);