1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * This file is licensed under the GPL license. For the full content 4 * of this license, see the COPYING file at the top level of this 5 * source tree. 6 7 * Test that pthread_rwlock_unlock(pthread_rwlock_t *rwlock) 8 * 9 * It 'may' fail if: 10 * [EINVAL] rwlock doesn't refer to an intialized read-write lock 11 * [EPERM] the current thread doesn't hold the lock on the rwlock 12 * 13 * Testing EINVAL in this test. 14 * 15 * Steps: 16 * 1. Call pthread_rwlock_unlock with an uninitialized rwlock 17 * 2. The test will pass even if it returns 0, but with a note stating that the standard 18 * states it 'may' fail. 19 * 20 */ 21 22 #define _XOPEN_SOURCE 600 23 #include <pthread.h> 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <unistd.h> 27 #include <errno.h> 28 #include "posixtest.h" 29 30 int main(void) 31 { 32 static pthread_rwlock_t rwlock; 33 int rc; 34 35 #ifdef __linux__ 36 printf("Unlocking uninitialized rwlock is undefined on Linux\n"); 37 return PTS_UNSUPPORTED; 38 #endif 39 40 rc = pthread_rwlock_unlock(&rwlock); 41 if (rc != 0) { 42 if (rc == EINVAL) { 43 printf("Test PASSED\n"); 44 return PTS_PASS; 45 } 46 47 printf 48 ("Test FAILED: Incorrect error code, expected 0 or EINVAL, got %d\n", 49 rc); 50 return PTS_FAIL; 51 } 52 53 printf 54 ("Test PASSED: Note*: Returned 0 instead of EINVAL, but standard specified _may_ fail.\n"); 55 return PTS_PASS; 56 } 57
