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SbFifo.h

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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