/* $OpenBSD: test_pthread_cond_timedwait.c,v 1.3 2000/01/06 06:58:34 d Exp $ */ /* ==== test_pthread_cond.c ========================================= * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu * * Description : Test pthread_cond(). Run this after test_create() * * 1.23 94/05/04 proven * -Started coding this file. */ #include #include #include #include #include "test.h" pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; void* thread_1(void * new_buf) { CHECKr(pthread_mutex_lock(&mutex)); CHECKr(pthread_cond_signal(&cond)); CHECKr(pthread_mutex_unlock(&mutex)); pthread_exit(NULL); } void* thread_2(void * new_buf) { sleep(1); CHECKr(pthread_mutex_lock(&mutex)); CHECKr(pthread_cond_signal(&cond)); CHECKr(pthread_mutex_unlock(&mutex)); pthread_exit(NULL); } int main() { struct timespec abstime = { 0, 0 }; struct timeval curtime; pthread_t thread; int ret; printf("pthread_cond_timedwait START\n"); CHECKr(pthread_mutex_lock(&mutex)); CHECKe(gettimeofday(&curtime, NULL)); abstime.tv_sec = curtime.tv_sec + 5; /* Test a condition timeout */ switch((ret = pthread_cond_timedwait(&cond, &mutex, &abstime))) { case 0: PANIC("pthread_cond_timedwait #0 failed to timeout"); /* NOTREACHED */ case ETIMEDOUT: /* expected behaviour */ printf("Got first timeout ok\n"); /* Added by monty */ break; default: DIE(ret, "pthread_cond_timedwait"); /* NOTREACHED */ } /* Test a normal condition signal */ CHECKr(pthread_create(&thread, NULL, thread_1, NULL)); abstime.tv_sec = curtime.tv_sec + 10; CHECKr(pthread_cond_timedwait(&cond, &mutex, &abstime)); /* Test a normal condition signal after a sleep */ CHECKr(pthread_create(&thread, NULL, thread_2, NULL)); pthread_yield(); abstime.tv_sec = curtime.tv_sec + 10; CHECKr(pthread_cond_timedwait(&cond, &mutex, &abstime)); SUCCEED; }