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apr_thread_rwlock.h

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00001 /* Copyright 2000-2004 The Apache Software Foundation 00002 * 00003 * Licensed under the Apache License, Version 2.0 (the "License"); 00004 * you may not use this file except in compliance with the License. 00005 * You may obtain a copy of the License at 00006 * 00007 * http://www.apache.org/licenses/LICENSE-2.0 00008 * 00009 * Unless required by applicable law or agreed to in writing, software 00010 * distributed under the License is distributed on an "AS IS" BASIS, 00011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00012 * See the License for the specific language governing permissions and 00013 * limitations under the License. 00014 */ 00015 00016 #ifndef APR_THREAD_RWLOCK_H 00017 #define APR_THREAD_RWLOCK_H 00018 00024 #include "apr.h" 00025 #include "apr_pools.h" 00026 #include "apr_errno.h" 00027 00028 #ifdef __cplusplus 00029 extern "C" { 00030 #endif /* __cplusplus */ 00031 00032 #if APR_HAS_THREADS 00033 00041 typedef struct apr_thread_rwlock_t apr_thread_rwlock_t; 00042 00050 APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, 00051 apr_pool_t *pool); 00058 APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock); 00059 00070 APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock); 00071 00079 APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock); 00080 00090 APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock); 00091 00097 APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock); 00098 00103 APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock); 00104 00109 APR_POOL_DECLARE_ACCESSOR(thread_rwlock); 00110 00111 #endif /* APR_HAS_THREADS */ 00112 00115 #ifdef __cplusplus 00116 } 00117 #endif 00118 00119 #endif /* ! APR_THREAD_RWLOCK_H */

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