1 #ifndef COIN_SBTHREADAUTOLOCK_H 2 #define COIN_SBTHREADAUTOLOCK_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #include <Inventor/threads/SbThreadMutex.h> 37 #include <Inventor/threads/SbMutex.h> 38 39 class SbThreadAutoLock 40 { 41 protected: 42 SbMutex * mutex; 43 SbThreadMutex * recmutex; 44 45 public: SbThreadAutoLock(SbMutex * mutexptr)46 SbThreadAutoLock(SbMutex * mutexptr) { 47 this->mutex = mutexptr; 48 this->mutex->lock(); 49 this->recmutex = NULL; 50 } SbThreadAutoLock(SbThreadMutex * mutexptr)51 SbThreadAutoLock(SbThreadMutex * mutexptr) { 52 this->recmutex = mutexptr; 53 this->recmutex->lock(); 54 this->mutex = NULL; 55 } 56 ~SbThreadAutoLock()57 ~SbThreadAutoLock() { 58 if (this->mutex) this->mutex->unlock(); 59 if (this->recmutex) this->recmutex->unlock(); 60 } 61 }; 62 63 #endif // !COIN_SBTHREADAUTOLOCK_H 64