Mutex.h

Go to the documentation of this file.
00001 /*
00002  *    Copyright 2004-2006 Intel Corporation
00003  * 
00004  *    Licensed under the Apache License, Version 2.0 (the "License");
00005  *    you may not use this file except in compliance with the License.
00006  *    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 
00018 #ifndef _OASYS_MUTEX_H_
00019 #define _OASYS_MUTEX_H_
00020 
00021 #include "Lock.h"
00022 #include "../debug/Logger.h"
00023 
00024 namespace oasys {
00025 
00027 class Mutex : public Lock {
00028     friend class Monitor; // Monitor needs access to mutex_.
00029     
00030 public:
00038     enum lock_type_t {
00039         TYPE_FAST = 1,
00040         TYPE_RECURSIVE
00041     };
00042 
00044     Mutex(const char* logbase,
00045           lock_type_t type = TYPE_RECURSIVE,
00046           bool keep_quiet = false);
00047     ~Mutex();
00048 
00050     int lock(const char* lock_user);
00051     int unlock();
00052     int try_lock(const char* lock_user);
00054 
00055 protected:
00056     pthread_mutex_t mutex_;        
00057     lock_type_t     type_;         
00058     bool            keep_quiet_;   
00059 };
00060 
00061 } // namespace oasys
00062 
00063 #endif /* _OASYS_MUTEX_H_ */
00064 

Generated on Thu Jun 7 12:54:28 2007 for DTN Reference Implementation by  doxygen 1.5.1