| /* |
| * Copyright (c) 2002, Intel Corporation. All rights reserved. |
| * 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 pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock) |
| * |
| * It may fail if: |
| * [EINVAL] rwlock does not refer to an intialized read-write lock object |
| * |
| * Steps: |
| * 1. Call pthread_rwlock_trywrlock with an uninitialized rwlock object |
| * 2. Test for the return code. It may be EINVAL or 0. |
| */ |
| #define _XOPEN_SOURCE 600 |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include "posixtest.h" |
| |
| int main() |
| { |
| |
| static pthread_rwlock_t rwlock; |
| int rc; |
| |
| /* Call without initializing rwlock */ |
| rc = pthread_rwlock_trywrlock(&rwlock); |
| |
| /* Clean up before checking return value */ |
| if (pthread_rwlock_unlock(&rwlock) != 0) |
| { |
| printf("main: Error at pthread_rwlock_unlock()\n"); |
| exit(PTS_UNRESOLVED); |
| } |
| |
| if (pthread_rwlock_destroy(&rwlock) != 0) |
| { |
| printf("Error at pthread_rwlock_destroy()\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| if (rc != 0) |
| { |
| if (rc == EINVAL) |
| { |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else |
| { |
| printf("Test FAILED: Incorrect return code %d\n", rc); |
| return PTS_FAIL; |
| } |
| } |
| |
| printf("Test PASSED: Note*: Returned 0 instead of EINVAL, but standard specified _may_ fail. \n"); |
| return PTS_PASS; |
| } |