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00001 #ifndef COIN_SBFIFO_H 00002 #define COIN_SBFIFO_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved. 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 Systems in Motion about acquiring 00018 * a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00023 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00024 * 00025 \**************************************************************************/ 00026 00027 #include <Inventor/C/threads/fifo.h> 00028 00029 class SbFifo { 00030 public: 00031 SbFifo(void) { this->fifo = cc_fifo_new(); } 00032 ~SbFifo(void) { cc_fifo_delete(this->fifo); } 00033 00034 void assign(void * ptr, uint32_t type) 00035 { cc_fifo_assign(this->fifo, ptr, type); } 00036 void retrieve(void *& ptr, uint32_t &type) 00037 { cc_fifo_retrieve(this->fifo, &ptr, &type); } 00038 SbBool tryRetrieve(void *& ptr, uint32_t & type) 00039 { return cc_fifo_try_retrieve(this->fifo, &ptr, &type); } 00040 00041 unsigned int size(void) const { return cc_fifo_size(this->fifo); } 00042 00043 void lock(void) const { cc_fifo_lock(this->fifo); } 00044 void unlock(void) const { cc_fifo_unlock(this->fifo); } 00045 00046 // lock/unlock only needed around the following operations: 00047 SbBool peek(void *& item, uint32_t & type) const 00048 { return cc_fifo_peek(this->fifo, &item, &type); } 00049 SbBool contains(void * item) const 00050 { return cc_fifo_contains(this->fifo, item); } 00051 SbBool reclaim(void * item) 00052 { return cc_fifo_reclaim(this->fifo, item); } 00053 00054 private: 00055 cc_fifo * fifo; 00056 }; 00057 00058 #endif // !COIN_SBFIFO_H
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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