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/* $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 <pthread.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#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;
}
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