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Diffstat (limited to 'rubbos/app/apache2/include/apr_thread_mutex.h')
-rw-r--r-- | rubbos/app/apache2/include/apr_thread_mutex.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/rubbos/app/apache2/include/apr_thread_mutex.h b/rubbos/app/apache2/include/apr_thread_mutex.h deleted file mode 100644 index 4596dce5..00000000 --- a/rubbos/app/apache2/include/apr_thread_mutex.h +++ /dev/null @@ -1,110 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You 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. - */ - -#ifndef APR_THREAD_MUTEX_H -#define APR_THREAD_MUTEX_H - -/** - * @file apr_thread_mutex.h - * @brief APR Thread Mutex Routines - */ - -#include "apr.h" -#include "apr_errno.h" - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -#if APR_HAS_THREADS || defined(DOXYGEN) - -/** - * @defgroup apr_thread_mutex Thread Mutex Routines - * @ingroup APR - * @{ - */ - -/** Opaque thread-local mutex structure */ -typedef struct apr_thread_mutex_t apr_thread_mutex_t; - -#define APR_THREAD_MUTEX_DEFAULT 0x0 /**< platform-optimal lock behavior */ -#define APR_THREAD_MUTEX_NESTED 0x1 /**< enable nested (recursive) locks */ -#define APR_THREAD_MUTEX_UNNESTED 0x2 /**< disable nested locks */ - -/* Delayed the include to avoid a circular reference */ -#include "apr_pools.h" - -/** - * Create and initialize a mutex that can be used to synchronize threads. - * @param mutex the memory address where the newly created mutex will be - * stored. - * @param flags Or'ed value of: - * <PRE> - * APR_THREAD_MUTEX_DEFAULT platform-optimal lock behavior. - * APR_THREAD_MUTEX_NESTED enable nested (recursive) locks. - * APR_THREAD_MUTEX_UNNESTED disable nested locks (non-recursive). - * </PRE> - * @param pool the pool from which to allocate the mutex. - * @warning Be cautious in using APR_THREAD_MUTEX_DEFAULT. While this is the - * most optimial mutex based on a given platform's performance charateristics, - * it will behave as either a nested or an unnested lock. - */ -APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, - unsigned int flags, - apr_pool_t *pool); -/** - * Acquire the lock for the given mutex. If the mutex is already locked, - * the current thread will be put to sleep until the lock becomes available. - * @param mutex the mutex on which to acquire the lock. - */ -APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex); - -/** - * Attempt to acquire the lock for the given mutex. If the mutex has already - * been acquired, the call returns immediately with APR_EBUSY. Note: it - * is important that the APR_STATUS_IS_EBUSY(s) macro be used to determine - * if the return value was APR_EBUSY, for portability reasons. - * @param mutex the mutex on which to attempt the lock acquiring. - */ -APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex); - -/** - * Release the lock for the given mutex. - * @param mutex the mutex from which to release the lock. - */ -APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex); - -/** - * Destroy the mutex and free the memory associated with the lock. - * @param mutex the mutex to destroy. - */ -APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex); - -/** - * Get the pool used by this thread_mutex. - * @return apr_pool_t the pool - */ -APR_POOL_DECLARE_ACCESSOR(thread_mutex); - -#endif /* APR_HAS_THREADS */ - -/** @} */ - -#ifdef __cplusplus -} -#endif - -#endif /* ! APR_THREAD_MUTEX_H */ |