00001 /** @file 00002 00003 Public RecMutex declarations 00004 00005 @section license License 00006 00007 Licensed to the Apache Software Foundation (ASF) under one 00008 or more contributor license agreements. See the NOTICE file 00009 distributed with this work for additional information 00010 regarding copyright ownership. The ASF licenses this file 00011 to you under the Apache License, Version 2.0 (the 00012 "License"); you may not use this file except in compliance 00013 with the License. You may obtain a copy of the License at 00014 00015 http://www.apache.org/licenses/LICENSE-2.0 00016 00017 Unless required by applicable law or agreed to in writing, software 00018 distributed under the License is distributed on an "AS IS" BASIS, 00019 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00020 See the License for the specific language governing permissions and 00021 limitations under the License. 00022 */ 00023 00024 #ifndef _I_REC_MUTEX_H_ 00025 #define _I_REC_MUTEX_H_ 00026 00027 #include "ink_mutex.h" 00028 #include "ink_thread.h" 00029 00030 /** 00031 A wrapper to ink_mutex class. It allows multiple acquire of mutex lock 00032 by the SAME thread. This is a trimmed down version of ProxyMutex. 00033 00034 */ 00035 struct RecMutex 00036 { 00037 size_t nthread_holding; 00038 ink_thread thread_holding; 00039 ink_mutex the_mutex; 00040 }; 00041 00042 int rec_mutex_init(RecMutex * m, const char *name = NULL); 00043 int rec_mutex_destroy(RecMutex * m); 00044 int rec_mutex_acquire(RecMutex * m); 00045 int rec_mutex_release(RecMutex * m); 00046 00047 #endif
1.7.1