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93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/* ==== test_pthread_cond.c =========================================
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* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
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*
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* Description : Test pthread_cond(). Run this after test_create()
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*
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* 1.23 94/05/04 proven
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* -Started coding this file.
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*/
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#include <pthread.h>
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#include <stdio.h>
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#include <errno.h>
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#ifndef ETIME
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#define ETIME ETIMEDOUT
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#endif
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
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void* thread_1(void * new_buf)
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{
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pthread_mutex_lock(&mutex);
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pthread_cond_signal(&cond);
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pthread_mutex_unlock(&mutex);
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pthread_exit(NULL);
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}
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void* thread_2(void * new_buf)
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{
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sleep(1);
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pthread_mutex_lock(&mutex);
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pthread_cond_signal(&cond);
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pthread_mutex_unlock(&mutex);
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pthread_exit(NULL);
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}
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main()
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{
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struct timespec abstime = { 0, 0 };
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struct timeval curtime;
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pthread_t thread;
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int error;
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pthread_init();
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printf("pthread_cond_timedwait START\n");
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pthread_mutex_lock(&mutex);
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gettimeofday(&curtime, NULL);
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abstime.tv_sec = curtime.tv_sec + 5;
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/* Test a condition timeout */
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if (pthread_cond_timedwait(&cond, &mutex, &abstime) != ETIME) {
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printf("pthread_cond_timedwait failed to timeout\n");
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printf("pthread_cond_timedwait FAILED\n");
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pthread_mutex_unlock(&mutex);
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exit(1);
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}
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printf("Got first timeout ok\n"); /* Added by monty */
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/* Test a normal condition signal */
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if (pthread_create(&thread, NULL, thread_1, NULL)) {
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printf("pthread_create failed\n");
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exit(2);
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}
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abstime.tv_sec = curtime.tv_sec + 10;
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if (pthread_cond_timedwait(&cond, &mutex, &abstime)) {
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printf("pthread_cond_timedwait #1 timedout\n");
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printf("pthread_cond_timedwait FAILED\n");
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pthread_mutex_unlock(&mutex);
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exit(1);
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}
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/* Test a normal condition signal after a sleep */
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if (pthread_create(&thread, NULL, thread_2, NULL)) {
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printf("pthread_create failed\n");
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exit(2);
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}
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pthread_yield();
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abstime.tv_sec = curtime.tv_sec + 10;
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if (pthread_cond_timedwait(&cond, &mutex, &abstime)) {
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printf("pthread_cond_timedwait #2 timedout\n");
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printf("pthread_cond_timedwait FAILED\n");
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pthread_mutex_unlock(&mutex);
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exit(1);
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}
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printf("pthread_cond_timedwait PASSED\n");
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pthread_mutex_unlock(&mutex);
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exit(0);
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}
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