67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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//
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// Win32BarrierPrivateData.h - private data structure for barrier
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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#ifndef _Win32BARRIERPRIVATEDATA_H_
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#define _Win32BARRIERPRIVATEDATA_H_
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#include <OpenThreads/Mutex>
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#include <OpenThreads/Condition>
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namespace OpenThreads {
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class Barrier;
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class Win32BarrierPrivateData {
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friend class Barrier;
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private:
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Win32BarrierPrivateData(int mc, int c, int p):
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maxcnt(mc), cnt(c), phase(p) {}
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~Win32BarrierPrivateData();
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Condition cond; // cv for waiters at barrier
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Mutex lock; // mutex for waiters at barrier
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volatile int maxcnt; // number of threads to wait for
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volatile int cnt; // number of waiting threads
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volatile int phase; // flag to separate two barriers
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};
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}
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#endif //_Win32BARRIERPRIVATEDATA_H_
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