# 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