http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/apr-1/apr_anylock.h

/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as * applicable. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file apr_anylock.h * @brief APR-Util transparent any lock flavor wrapper */ #ifndef APR_ANYLOCK_H #define APR_ANYLOCK_H #include "apr_proc_mutex.h" #include "apr_thread_mutex.h" #include "apr_thread_rwlock.h" /** Structure that may contain any APR lock type */ typedef struct apr_anylock_t { /** Indicates what type of lock is in lock */ enum tm_lock { apr_anylock_none, /**< None */ apr_anylock_procmutex, /**< Process-based */ apr_anylock_threadmutex, /**< Thread-based */ apr_anylock_readlock, /**< Read lock */ apr_anylock_writelock /**< Write lock */ } type; /** Union of all possible APR locks */ union apr_anylock_u_t { apr_proc_mutex_t *pm; /**< Process mutex */ #if APR_HAS_THREADS apr_thread_mutex_t *tm; /**< Thread mutex */ apr_thread_rwlock_t *rw; /**< Read-write lock */ #endif } lock; } apr_anylock_t; #if APR_HAS_THREADS /** Lock an apr_anylock_t structure */ #define APR_ANYLOCK_LOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_threadmutex) \ ? apr_thread_mutex_lock((lck)->lock.tm) \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_lock((lck)->lock.pm) \ : (((lck)->type == apr_anylock_readlock) \ ? apr_thread_rwlock_rdlock((lck)->lock.rw) \ : (((lck)->type == apr_anylock_writelock) \ ? apr_thread_rwlock_wrlock((lck)->lock.rw) \ : APR_EINVAL))))) #else /* APR_HAS_THREADS */ #define APR_ANYLOCK_LOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_lock((lck)->lock.pm) \ : APR_EINVAL)) #endif /* APR_HAS_THREADS */ #if APR_HAS_THREADS /** Try to lock an apr_anylock_t structure */ #define APR_ANYLOCK_TRYLOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_threadmutex) \ ? apr_thread_mutex_trylock((lck)->lock.tm) \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_trylock((lck)->lock.pm) \ : (((lck)->type == apr_anylock_readlock) \ ? apr_thread_rwlock_tryrdlock((lck)->lock.rw) \ : (((lck)->type == apr_anylock_writelock) \ ? apr_thread_rwlock_trywrlock((lck)->lock.rw) \ : APR_EINVAL))))) #else /* APR_HAS_THREADS */ #define APR_ANYLOCK_TRYLOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_trylock((lck)->lock.pm) \ : APR_EINVAL)) #endif /* APR_HAS_THREADS */ #if APR_HAS_THREADS /** Unlock an apr_anylock_t structure */ #define APR_ANYLOCK_UNLOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_threadmutex) \ ? apr_thread_mutex_unlock((lck)->lock.tm) \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_unlock((lck)->lock.pm) \ : ((((lck)->type == apr_anylock_readlock) || \ ((lck)->type == apr_anylock_writelock)) \ ? apr_thread_rwlock_unlock((lck)->lock.rw) \ : APR_EINVAL)))) #else /* APR_HAS_THREADS */ #define APR_ANYLOCK_UNLOCK(lck) \ (((lck)->type == apr_anylock_none) \ ? APR_SUCCESS \ : (((lck)->type == apr_anylock_procmutex) \ ? apr_proc_mutex_unlock((lck)->lock.pm) \ : APR_EINVAL)) #endif /* APR_HAS_THREADS */ #endif /* !APR_ANYLOCK_H */