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include
apr_anylock.h
Go to the documentation of this file.
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef APR_ANYLOCK_H
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#define APR_ANYLOCK_H
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#include "apr_proc_mutex.h"
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#include "apr_thread_mutex.h"
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#include "apr_thread_rwlock.h"
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typedef
struct
apr_anylock_t
{
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enum
tm_lock
{
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apr_anylock_none
,
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apr_anylock_procmutex
,
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apr_anylock_threadmutex
,
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apr_anylock_readlock
,
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apr_anylock_writelock
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} type;
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union
apr_anylock_u_t
{
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apr_proc_mutex_t *
pm
;
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#if APR_HAS_THREADS
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apr_thread_mutex_t *
tm
;
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apr_thread_rwlock_t *
rw
;
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#endif
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} lock;
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}
apr_anylock_t
;
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#if APR_HAS_THREADS
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#define APR_ANYLOCK_LOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_threadmutex) \
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? apr_thread_mutex_lock((lck)->lock.tm) \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_lock((lck)->lock.pm) \
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: (((lck)->type == apr_anylock_readlock) \
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? apr_thread_rwlock_rdlock((lck)->lock.rw) \
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: (((lck)->type == apr_anylock_writelock) \
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? apr_thread_rwlock_wrlock((lck)->lock.rw) \
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: APR_EINVAL)))))
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#else
/* APR_HAS_THREADS */
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#define APR_ANYLOCK_LOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_lock((lck)->lock.pm) \
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: APR_EINVAL))
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#endif
/* APR_HAS_THREADS */
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#if APR_HAS_THREADS
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#define APR_ANYLOCK_TRYLOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_threadmutex) \
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? apr_thread_mutex_trylock((lck)->lock.tm) \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_trylock((lck)->lock.pm) \
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: (((lck)->type == apr_anylock_readlock) \
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? apr_thread_rwlock_tryrdlock((lck)->lock.rw) \
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: (((lck)->type == apr_anylock_writelock) \
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? apr_thread_rwlock_trywrlock((lck)->lock.rw) \
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: APR_EINVAL)))))
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#else
/* APR_HAS_THREADS */
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#define APR_ANYLOCK_TRYLOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_trylock((lck)->lock.pm) \
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: APR_EINVAL))
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#endif
/* APR_HAS_THREADS */
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#if APR_HAS_THREADS
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#define APR_ANYLOCK_UNLOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_threadmutex) \
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? apr_thread_mutex_unlock((lck)->lock.tm) \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_unlock((lck)->lock.pm) \
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: ((((lck)->type == apr_anylock_readlock) || \
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((lck)->type == apr_anylock_writelock)) \
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? apr_thread_rwlock_unlock((lck)->lock.rw) \
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: APR_EINVAL))))
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#else
/* APR_HAS_THREADS */
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#define APR_ANYLOCK_UNLOCK(lck) \
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(((lck)->type == apr_anylock_none) \
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? APR_SUCCESS \
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: (((lck)->type == apr_anylock_procmutex) \
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? apr_proc_mutex_unlock((lck)->lock.pm) \
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: APR_EINVAL))
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#endif
/* APR_HAS_THREADS */
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#endif
/* !APR_ANYLOCK_H */
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