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 pthread_rwlock_init(). 8 * 9 * Once initialized, the lock can be used any number of times without being 10 * reinitialized. 11 * 12 * Steps: 13 * 1. Initialize a pthread_rwlock_t object 'rwlock' with pthread_rwlock_init() 14 * 2. Loop for COUNT time: lock for reading, unlock, lock for writing, unlock; 15 */ 16 17 #define _XOPEN_SOURCE 600 18 19 #include <pthread.h> 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include <unistd.h> 23 #include <errno.h> 24 #include "posixtest.h" 25 26 #define COUNT 1000 27 28 static pthread_rwlock_t rwlock; 29 30 int main(void) 31 { 32 int cnt = 0; 33 pthread_rwlockattr_t rwlockattr; 34 35 if (pthread_rwlockattr_init(&rwlockattr) != 0) { 36 printf("Error at pthread_rwlockattr_init()\n"); 37 return PTS_UNRESOLVED; 38 } 39 40 if (pthread_rwlock_init(&rwlock, &rwlockattr) != 0) { 41 printf("Test FAILED: Error in pthread_rwlock_init()\n"); 42 return PTS_FAIL; 43 } 44 45 while (cnt++ < COUNT) { 46 if (pthread_rwlock_rdlock(&rwlock) != 0) { 47 printf 48 ("Test FAILED: cannot get read lock on %dth loop\n", 49 cnt); 50 return PTS_FAIL; 51 } 52 53 if (pthread_rwlock_unlock(&rwlock) != 0) { 54 printf 55 ("Test FAILED: cannot release read lock on %dth loop\n", 56 cnt); 57 return PTS_FAIL; 58 } 59 60 if (pthread_rwlock_wrlock(&rwlock) != 0) { 61 printf 62 ("Test FAILED: cannot get write lock on %dth loop\n", 63 cnt); 64 return PTS_FAIL; 65 } 66 67 if (pthread_rwlock_unlock(&rwlock) != 0) { 68 printf 69 ("Test FAILED: cannot release write lock on %dth loop\n", 70 cnt); 71 return PTS_FAIL; 72 } 73 } 74 75 if (pthread_rwlock_destroy(&rwlock) != 0) { 76 printf("Error at pthread_rwlockattr_destroy()\n"); 77 return PTS_UNRESOLVED; 78 } 79 80 if (pthread_rwlockattr_destroy(&rwlockattr) != 0) { 81 printf("Error at pthread_rwlockattr_destroy()\n"); 82 return PTS_UNRESOLVED; 83 } 84 85 printf("Test PASSED\n"); 86 return PTS_PASS; 87 } 88
