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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 00017 #ifndef THREAD_RWLOCK_H 00018 #define THREAD_RWLOCK_H 00019 00020 #include <kernel/OS.h> 00021 #include "apr_pools.h" 00022 #include "apr_thread_rwlock.h" 00023 #include "apr_file_io.h" 00024 #include "apr_general.h" 00025 #include "apr_lib.h" 00026 #include "apr_portable.h" 00027 00028 struct apr_thread_rwlock_t { 00029 apr_pool_t *pool; 00030 00031 /* Our lock :) */ 00032 sem_id Lock; 00033 int32 LockCount; 00034 /* Read/Write lock stuff */ 00035 sem_id Read; 00036 int32 ReadCount; 00037 sem_id Write; 00038 int32 WriteCount; 00039 int32 Nested; 00040 00041 thread_id writer; 00042 }; 00043 00044 #endif /* THREAD_RWLOCK_H */ 00045