Fawkes API  Fawkes Development Version
barrier.h
1 
2 /***************************************************************************
3  * barrier.h - Barrier
4  *
5  * Created: Thu Sep 15 00:31:50 2006
6  * Copyright 2006-2009 Tim Niemueller [www.niemueller.de]
7  *
8  ****************************************************************************/
9 
10 /* This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version. A runtime exception applies to
14  * this software (see LICENSE.GPL_WRE file mentioned below for details).
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Library General Public License for more details.
20  *
21  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22  */
23 
24 #ifndef __CORE_THREADING_BARRIER_H_
25 #define __CORE_THREADING_BARRIER_H_
26 
27 namespace fawkes {
28 
29 
30 class BarrierData;
31 
32 class Barrier
33 {
34  public:
35  Barrier(unsigned int count);
36  virtual ~Barrier();
37 
38  virtual void wait();
39 
40  unsigned int count();
41 
42  private:
43  BarrierData *barrier_data;
44 
45  protected:
46  Barrier();
47  /** Number of threads that are expected to wait for the barrier */
48  unsigned int _count;
49 };
50 
51 
52 } // end namespace fawkes
53 
54 #endif
unsigned int count()
Get number of threads this barrier will wait for.
Definition: barrier.cpp:181
Fawkes library namespace.
virtual void wait()
Wait for other threads.
Definition: barrier.cpp:157
Barrier()
Protected Constructor.
Definition: barrier.cpp:133
unsigned int _count
Number of threads that are expected to wait for the barrier.
Definition: barrier.h:48
virtual ~Barrier()
Destructor.
Definition: barrier.cpp:141
A barrier is a synchronization tool which blocks until a given number of threads have reached the bar...
Definition: barrier.h:32