/usr/include/OpenThreads/Barrier is in libopenthreads-dev 3.2.3+dfsg1-2ubuntu8.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
//
// Barrier - C++ barrier class
// ~~~~~~~
//
#ifndef _OPENTHREADS_BARRIER_
#define _OPENTHREADS_BARRIER_
#include <OpenThreads/Exports>
namespace OpenThreads {
/**
* @class Barrier
* @brief This class provides an object-oriented thread barrier interface
*
* @warning It is unwise to use the construct "Barrier barrier" in the
* global namespace on sgi's. The object "barrier"
* will confilict with the c-library sproc function "barrier" and
* unpredictable results may occur. You have been warned.
*/
class OPENTHREAD_EXPORT_DIRECTIVE Barrier {
public:
/**
* Constructor
*/
Barrier(int numThreads=0);
/**
* Destructor
*/
virtual ~Barrier();
/**
* Reset the barrier to it's original state.
*/
virtual void reset();
/**
* Block until numThreads threads have entered the barrier.
*/
virtual void block(unsigned int numThreads=0);
/**
* Release the barrier, now.
*/
virtual void release();
/**
* Return the number of threads currently blocked in the barrier,
* Return -1 if error.
*/
virtual int numThreadsCurrentlyBlocked();
void invalidate();
private:
/**
* Private copy constructor, to prevent tampering.
*/
Barrier(const Barrier &/*b*/) {};
/**
* Private copy assignment, to prevent tampering.
*/
Barrier &operator=(const Barrier &/*b*/) {return *(this);};
/**
* Implementation-specific private data.
*/
void *_prvData;
bool _valid;
};
}
#endif // !_OPENTHREADS_BARRIER_
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