/* * 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 that pthread_rwlock_rdlock(pthread_rwlock_t *rwlock) * * A thread may hold multiple concurrent read locks on 'rwlock' and the application shall * ensure that the thread will perform matching unlocks for each read lock. * * Steps: * 1. Initialize a pthread_rwlock_t object 'rwlock' with pthread_rwlock_init() * 2. Main read locks 'rwlock' 10 times * 3. Main unlocks 'rwlock' 10 times. * */ #define _XOPEN_SOURCE 600 #include #include #include #include #include "posixtest.h" #define COUNT 10 int main() { static pthread_rwlock_t rwlock; int i; if(pthread_rwlock_init(&rwlock, NULL) != 0) { printf("main: Error at pthread_rwlock_init()\n"); return PTS_UNRESOLVED; } for(i=0;i < COUNT;i++) { if(pthread_rwlock_rdlock(&rwlock) != 0) { printf("Test FAILED: main cannot get read-lock rwlock number: %d\n", i); return PTS_FAIL; } } for(i = 0;i < COUNT;i++) { if(pthread_rwlock_unlock(&rwlock) != 0) { printf("Test FAILED: main cannot unlock rwlock number %d", i); return PTS_FAIL; } } if(pthread_rwlock_destroy(&rwlock) != 0) { printf("Error at pthread_rwlockattr_destroy()"); return PTS_UNRESOLVED; } printf("Test PASSED\n"); return PTS_PASS; }