241 	int			errStatus;  in PGSemaphoreLock()  local
246 		errStatus = sem_wait(PG_SEM_REF(sema));  in PGSemaphoreLock()
247 	} while (errStatus < 0 && errno == EINTR);  in PGSemaphoreLock()
249 	if (errStatus < 0)  in PGSemaphoreLock()
261 	int			errStatus;  in PGSemaphoreUnlock()  local
271 		errStatus = sem_post(PG_SEM_REF(sema));  in PGSemaphoreUnlock()
272 	} while (errStatus < 0 && errno == EINTR);  in PGSemaphoreUnlock()
274 	if (errStatus < 0)  in PGSemaphoreUnlock()
286 	int			errStatus;  in PGSemaphoreTryLock()  local
295 		errStatus = sem_trywait(PG_SEM_REF(sema));  in PGSemaphoreTryLock()
296 	} while (errStatus < 0 && errno == EINTR);  in PGSemaphoreTryLock()
298 	if (errStatus < 0)  in PGSemaphoreTryLock()