condition.h
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1 /*
2  * Copyright (C) 2006-2008 by Marc Boris Duerner
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
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27  */
28 #ifndef CXXTOOLS_SYSTEM_CONDITION_H
29 #define CXXTOOLS_SYSTEM_CONDITION_H
30 
31 #include <cxxtools/api.h>
32 #include <cxxtools/noncopyable.h>
33 #include <cxxtools/mutex.h>
34 #include <cstddef>
35 
36 namespace cxxtools {
37 
51  {
52  public:
54  Condition();
55 
57  ~Condition();
58 
65  void wait( Mutex& mtx);
66 
67  void wait( MutexLock& m)
68  { this->wait( m.mutex() ); }
69 
77  bool wait( Mutex& mtx, unsigned int ms);
78 
79  bool wait( MutexLock& m, unsigned int ms)
80  { return this->wait( m.mutex(), ms ); }
81 
83  void signal();
84 
86  void broadcast();
87 
88  private:
89  class ConditionImpl* _impl;
90  };
91 
92 } // !namespace cxxtools
93 
94 #endif