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SbCondVar.h

00001 #ifndef COIN_SBCONDVAR_H
00002 #define COIN_SBCONDVAR_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See <URL:http://www.coin3d.org> for  more information.
00021  *
00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
00023  *  <URL:http://www.sim.no>.
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/SbBasic.h>
00028 #include <Inventor/SbTime.h>
00029 #include <Inventor/C/threads/condvar.h>
00030 #include <Inventor/threads/SbMutex.h>
00031 
00032 class SbCondVar {
00033 public:
00034   SbCondVar(void) { this->condvar = cc_condvar_construct(); }
00035   ~SbCondVar(void) { cc_condvar_destruct(this->condvar); }
00036 
00037   SbBool wait(SbMutex & mutex) { 
00038     return cc_condvar_wait(this->condvar, mutex.mutex) == CC_OK; 
00039   }
00040   SbBool timedWait(SbMutex & mutex, SbTime period) {
00041     return cc_condvar_timed_wait(this->condvar, mutex.mutex, period.getValue()) == CC_OK;
00042   }
00043   
00044   void wakeOne(void) { cc_condvar_wake_one(this->condvar); }
00045   void wakeAll(void) { cc_condvar_wake_all(this->condvar); }
00046 
00047 private:
00048   cc_condvar * condvar;
00049 };
00050 
00051 #endif // !COIN_SBCONDVAR_H

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