49 lines
987 B
C++
49 lines
987 B
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file p3dConditionVar.h
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* @author drose
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* @date 2009-07-02
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*/
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#ifndef P3DCONDITIONVAR_H
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#define P3DCONDITIONVAR_H
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#include "p3d_plugin_common.h"
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/**
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* A simple condition-variable like object. It doesn't support the full
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* condition-var semantics, but it works well enough with one waiter and one
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* signaller.
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*/
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class P3DConditionVar {
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public:
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P3DConditionVar();
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~P3DConditionVar();
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void acquire();
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void wait();
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void wait(double timeout);
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void notify();
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void release();
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private:
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#ifdef _WIN32
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CRITICAL_SECTION _lock;
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HANDLE _event_signal;
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#else // _WIN32
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pthread_mutex_t _lock;
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pthread_cond_t _cvar;
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#endif // _WIN32
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};
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#include "p3dConditionVar.I"
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#endif
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