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include
Inventor
threads
SbMutex.h
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#ifndef COIN_SBMUTEX_H
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#define COIN_SBMUTEX_H
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/**************************************************************************\
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*
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* This file is part of the Coin 3D visualization library.
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* Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* ("GPL") version 2 as published by the Free Software Foundation.
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* See the file LICENSE.GPL at the root directory of this source
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* distribution for additional information about the GNU GPL.
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*
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* For using Coin with software that can not be combined with the GNU
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* GPL, and for taking advantage of the additional benefits of our
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* support services, please contact Systems in Motion about acquiring
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* a Coin Professional Edition License.
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*
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* See http://www.coin3d.org/ for more information.
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*
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* Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
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* http://www.sim.no/ sales@sim.no coin-support@coin3d.org
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*
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\**************************************************************************/
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#include <Inventor/SbBasic.h>
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#include <Inventor/C/threads/mutex.h>
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class
SbMutex
{
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public
:
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SbMutex
(
void
) { this->mutex = cc_mutex_construct(); }
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~SbMutex
(
void
) { cc_mutex_destruct(this->mutex); }
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int
lock
(
void
) {
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return
cc_mutex_lock(this->mutex) ==
CC_OK
? 0 : 1;
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}
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SbBool
tryLock
(
void
) {
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return
cc_mutex_try_lock(this->mutex) ==
CC_OK
;
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}
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int
unlock
(
void
) {
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return
cc_mutex_unlock(this->mutex) ==
CC_OK
? 0 : 1;
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}
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private
:
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// FIXME: we need access to C mutex structur. Should we use friend,
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// or should we add a new public method to get to this structure?
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// pederb, 2002-06-26
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friend
class
SbCondVar
;
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cc_mutex
* mutex;
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};
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#ifndef COIN_INTERNAL
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// For TGS Inventor compile-time compatibility.
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#include <Inventor/threads/SbThreadAutoLock.h>
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#endif
// COIN_INTERNAL
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#endif
// !COIN_SBMUTEX_H
SbCondVar
A class for synchronizing access to global variables.
Definition
SbCondVar.h:32
SbList
The SbList class is a template container class for lists.
Definition
SbList.h:47
SbMutex
A basic class for managing a mutex.
Definition
SbMutex.h:30
SbMutex::lock
int lock(void)
Definition
SbMutex.h:35
SbMutex::~SbMutex
~SbMutex(void)
Definition
SbMutex.h:33
SbMutex::unlock
int unlock(void)
Definition
SbMutex.h:41
SbMutex::tryLock
SbBool tryLock(void)
Definition
SbMutex.h:38
SbMutex::SbMutex
SbMutex(void)
Definition
SbMutex.h:32
Copyright © 1998-2007 by
Systems in Motion AS
. All rights reserved.
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