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SbThreadAutoLock.h

00001 #ifndef COIN_SBTHREADAUTOLOCK_H
00002 #define COIN_SBTHREADAUTOLOCK_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
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 Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/threads/SbThreadMutex.h>
00028 #include <Inventor/threads/SbMutex.h>
00029 
00030 class SbThreadAutoLock
00031 {
00032 protected:
00033   SbMutex * mutex;
00034   SbThreadMutex * recmutex;
00035 
00036 public:
00037   SbThreadAutoLock(SbMutex * mutexptr) {
00038     this->mutex = mutexptr;
00039     this->mutex->lock();
00040     this->recmutex = NULL;
00041   }
00042   SbThreadAutoLock(SbThreadMutex * mutexptr) {
00043     this->recmutex = mutexptr;
00044     this->recmutex->lock();
00045     this->mutex = NULL;
00046   }
00047 
00048   ~SbThreadAutoLock() {
00049     if (this->mutex) this->mutex->unlock();
00050     if (this->recmutex) this->recmutex->unlock();
00051   }
00052 };
00053 
00054 #endif // !COIN_SBTHREADAUTOLOCK_H

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