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SbCondVar.h
1#ifndef COIN_SBCONDVAR_H
2#define COIN_SBCONDVAR_H
3
4/**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25\**************************************************************************/
26
27#include <Inventor/SbBasic.h>
28#include <Inventor/SbTime.h>
29#include <Inventor/C/threads/condvar.h>
30#include <Inventor/threads/SbMutex.h>
31
32class SbCondVar {
33public:
34 SbCondVar(void) { this->condvar = cc_condvar_construct(); }
35 ~SbCondVar(void) { cc_condvar_destruct(this->condvar); }
36
37 SbBool wait(SbMutex & mutex) {
38 return cc_condvar_wait(this->condvar, mutex.mutex) == CC_OK;
39 }
40 SbBool timedWait(SbMutex & mutex, SbTime period) {
41 return cc_condvar_timed_wait(this->condvar, mutex.mutex, period.getValue()) == CC_OK;
42 }
43
44 void wakeOne(void) { cc_condvar_wake_one(this->condvar); }
45 void wakeAll(void) { cc_condvar_wake_all(this->condvar); }
46
47private:
48 cc_condvar * condvar;
49};
50
51#endif // !COIN_SBCONDVAR_H
A class for synchronizing access to global variables.
Definition SbCondVar.h:32
SbBool timedWait(SbMutex &mutex, SbTime period)
Definition SbCondVar.h:40
void wakeOne(void)
Definition SbCondVar.h:44
void wakeAll(void)
Definition SbCondVar.h:45
~SbCondVar(void)
Definition SbCondVar.h:35
SbBool wait(SbMutex &mutex)
Definition SbCondVar.h:37
SbCondVar(void)
Definition SbCondVar.h:34
A basic class for managing a mutex.
Definition SbMutex.h:30
The SbTime class instances represents time values.
Definition SbTime.h:41
double getValue(void) const
Definition SbTime.cpp:278

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