| /** @file |
| |
| Public RecMutex declarations |
| |
| @section license License |
| |
| 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 _I_REC_MUTEX_H_ |
| #define _I_REC_MUTEX_H_ |
| |
| #include "ink_mutex.h" |
| #include "ink_thread.h" |
| |
| /** |
| A wrapper to ink_mutex class. It allows multiple acquire of mutex lock |
| by the SAME thread. This is a trimmed down version of ProxyMutex. |
| |
| */ |
| struct RecMutex |
| { |
| size_t nthread_holding; |
| ink_thread thread_holding; |
| ink_mutex the_mutex; |
| }; |
| |
| int rec_mutex_init(RecMutex * m, const char *name = NULL); |
| int rec_mutex_acquire(RecMutex * m); |
| int rec_mutex_release(RecMutex * m); |
| |
| #endif |