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00001 /* Licensed to the Apache Software Foundation (ASF) under one or more 00002 * contributor license agreements. See the NOTICE file distributed with 00003 * this work for additional information regarding copyright ownership. 00004 * The ASF licenses this file to You under the Apache License, Version 2.0 00005 * (the "License"); you may not use this file except in compliance with 00006 * the License. You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00021 #ifndef APR_ANYLOCK_H 00022 #define APR_ANYLOCK_H 00023 00024 #include "apr_proc_mutex.h" 00025 #include "apr_thread_mutex.h" 00026 #include "apr_thread_rwlock.h" 00027 00029 typedef struct apr_anylock_t { 00031 enum tm_lock { 00032 apr_anylock_none, 00033 apr_anylock_procmutex, 00034 apr_anylock_threadmutex, 00035 apr_anylock_readlock, 00036 apr_anylock_writelock 00037 } type; 00039 union apr_anylock_u_t { 00040 apr_proc_mutex_t *pm; 00041 #if APR_HAS_THREADS 00042 apr_thread_mutex_t *tm; 00043 apr_thread_rwlock_t *rw; 00044 #endif 00045 } lock; 00046 } apr_anylock_t; 00047 00048 #if APR_HAS_THREADS 00049 00051 #define APR_ANYLOCK_LOCK(lck) \ 00052 (((lck)->type == apr_anylock_none) \ 00053 ? APR_SUCCESS \ 00054 : (((lck)->type == apr_anylock_threadmutex) \ 00055 ? apr_thread_mutex_lock((lck)->lock.tm) \ 00056 : (((lck)->type == apr_anylock_procmutex) \ 00057 ? apr_proc_mutex_lock((lck)->lock.pm) \ 00058 : (((lck)->type == apr_anylock_readlock) \ 00059 ? apr_thread_rwlock_rdlock((lck)->lock.rw) \ 00060 : (((lck)->type == apr_anylock_writelock) \ 00061 ? apr_thread_rwlock_wrlock((lck)->lock.rw) \ 00062 : APR_EINVAL))))) 00063 00064 #else /* APR_HAS_THREADS */ 00065 00066 #define APR_ANYLOCK_LOCK(lck) \ 00067 (((lck)->type == apr_anylock_none) \ 00068 ? APR_SUCCESS \ 00069 : (((lck)->type == apr_anylock_procmutex) \ 00070 ? apr_proc_mutex_lock((lck)->lock.pm) \ 00071 : APR_EINVAL)) 00072 00073 #endif /* APR_HAS_THREADS */ 00074 00075 #if APR_HAS_THREADS 00076 00078 #define APR_ANYLOCK_TRYLOCK(lck) \ 00079 (((lck)->type == apr_anylock_none) \ 00080 ? APR_SUCCESS \ 00081 : (((lck)->type == apr_anylock_threadmutex) \ 00082 ? apr_thread_mutex_trylock((lck)->lock.tm) \ 00083 : (((lck)->type == apr_anylock_procmutex) \ 00084 ? apr_proc_mutex_trylock((lck)->lock.pm) \ 00085 : (((lck)->type == apr_anylock_readlock) \ 00086 ? apr_thread_rwlock_tryrdlock((lck)->lock.rw) \ 00087 : (((lck)->type == apr_anylock_writelock) \ 00088 ? apr_thread_rwlock_trywrlock((lck)->lock.rw) \ 00089 : APR_EINVAL))))) 00090 00091 #else /* APR_HAS_THREADS */ 00092 00093 #define APR_ANYLOCK_TRYLOCK(lck) \ 00094 (((lck)->type == apr_anylock_none) \ 00095 ? APR_SUCCESS \ 00096 : (((lck)->type == apr_anylock_procmutex) \ 00097 ? apr_proc_mutex_trylock((lck)->lock.pm) \ 00098 : APR_EINVAL)) 00099 00100 #endif /* APR_HAS_THREADS */ 00101 00102 #if APR_HAS_THREADS 00103 00105 #define APR_ANYLOCK_UNLOCK(lck) \ 00106 (((lck)->type == apr_anylock_none) \ 00107 ? APR_SUCCESS \ 00108 : (((lck)->type == apr_anylock_threadmutex) \ 00109 ? apr_thread_mutex_unlock((lck)->lock.tm) \ 00110 : (((lck)->type == apr_anylock_procmutex) \ 00111 ? apr_proc_mutex_unlock((lck)->lock.pm) \ 00112 : ((((lck)->type == apr_anylock_readlock) || \ 00113 ((lck)->type == apr_anylock_writelock)) \ 00114 ? apr_thread_rwlock_unlock((lck)->lock.rw) \ 00115 : APR_EINVAL)))) 00116 00117 #else /* APR_HAS_THREADS */ 00118 00119 #define APR_ANYLOCK_UNLOCK(lck) \ 00120 (((lck)->type == apr_anylock_none) \ 00121 ? APR_SUCCESS \ 00122 : (((lck)->type == apr_anylock_procmutex) \ 00123 ? apr_proc_mutex_unlock((lck)->lock.pm) \ 00124 : APR_EINVAL)) 00125 00126 #endif /* APR_HAS_THREADS */ 00127 00128 #endif /* !APR_ANYLOCK_H */
1.7.6.1