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/*
* Copyright (c) 2002, Intel Corporation. All rights reserved.
* Created by: bing.wei.liu REMOVE-THIS AT intel DOT com
* This file is licensed under the GPL license. For the full content
* of this license, see the COPYING file at the top level of this
* source tree.
* Test that pthread_mutex_unlock()
* Upon succesful completion, it shall return zero
*
*/
#include <pthread.h>
#include <stdio.h>
#include <errno.h>
#include "posixtest.h"
int main()
{
pthread_mutex_t mutex;
int rc;
/* Initialize a mutex object */
if ((rc=pthread_mutex_init(&mutex,NULL)) != 0) {
fprintf(stderr,"Error at pthread_mutex_init(), rc=%d\n",rc);
return PTS_UNRESOLVED;
}
if ((rc=pthread_mutex_lock(&mutex)) != 0) {
fprintf(stderr,"Error at pthread_mutex_lock(), rc=%d\n",rc);
return PTS_UNRESOLVED;
}
/* Release the mutex using pthread_mutex_unlock() */
if ((rc=pthread_mutex_unlock(&mutex)) == 0) {
printf("Test PASSED\n");
return PTS_PASS;
}
/* Check if returned values are tolerable */
else if (rc == EPERM) {
fprintf(stderr,"Current thread does not own the mutex\n");
return PTS_UNRESOLVED;
}
else if (rc == EINVAL) {
fprintf(stderr,"Invalid mutex object\n");
return PTS_UNRESOLVED;
}
else if (rc == EAGAIN) {
fprintf(stderr,"The maximum number of recursive locks has been exceeded\n");
return PTS_UNRESOLVED;
}
/* Any other returned value means the test failed */
else {
printf("Test FAILED\n");
return PTS_FAIL;
}
}