| /* |
| * 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; |
| } |
| } |