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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
32 class SbCondVar {
33 public:
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
47 private:
48 cc_condvar * condvar;
49 };
50
51 #endif // !COIN_SBCONDVAR_H
SbMutex
A basic class for managing a mutex.This class provides a portable framework around the mutex interfac...
Definition: SbMutex.h:30
SbTime::getValue
double getValue(void) const
Definition: SbTime.cpp:278
SbCondVar::wakeOne
void wakeOne(void)
Definition: SbCondVar.h:44
SbCondVar::timedWait
SbBool timedWait(SbMutex &mutex, SbTime period)
Definition: SbCondVar.h:40
SbCondVar
A class for synchronizing access to global variables.Condition variables are used to protect global v...
Definition: SbCondVar.h:32
SbCondVar::wait
SbBool wait(SbMutex &mutex)
Definition: SbCondVar.h:37
SbCondVar::~SbCondVar
~SbCondVar(void)
Definition: SbCondVar.h:35
SbTime
The SbTime class instances represents time values.SbTime is a convenient way of doing system independ...
Definition: SbTime.h:41
SbCondVar::wakeAll
void wakeAll(void)
Definition: SbCondVar.h:45
SbCondVar::SbCondVar
SbCondVar(void)
Definition: SbCondVar.h:34

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