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Gate.h
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1 /*
2  * Gate.h
3  *
4  * This file is part of the HausmiSEP project
5  *
6  * Copyright (C) 2012, 2013 Marco Alvarado (malvcr@gmail.com)
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program. If not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef GATE_H_
23 #define GATE_H_
24 
25 #include <HSEP/HSEP.h>
26 
27 #include <condition_variable>
28 #include <mutex>
29 
30 using namespace std;
31 
32 namespace HSEP {
33 
48  class Gate {
49 
50 #ifdef POSIX_BASE
51 // Notice that the mutex is enough to accomplish this task.
52 //
53 // pthread_cond_t aConditionHandler;
54  pthread_mutex_t aMutexHandler;
55 #else
56  condition_variable* aConditionPtr;
57  mutex* aMutexPtr;
58 #endif
59  bool aWaiting;
60  public:
61 
67  Gate(bool pShared = false);
68  ~Gate();
69 
73  void signal();
74 
78  void wait();
79 
80  }; // Gate class
81 
85  class SharedGate : public Gate {
86  public:
87  SharedGate() : Gate(true) {}
88  };
89 
90 } // HSEP namespace
91 
92 #endif /* GATE_H_ */