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SbFifo.h
1 #ifndef COIN_SBFIFO_H
2 #define COIN_SBFIFO_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Systems in Motion about acquiring
18  * a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/C/threads/fifo.h>
28 
29 class SbFifo {
30 public:
31  SbFifo(void) { this->fifo = cc_fifo_new(); }
32  ~SbFifo(void) { cc_fifo_delete(this->fifo); }
33 
34  void assign(void * ptr, uint32_t type)
35  { cc_fifo_assign(this->fifo, ptr, type); }
36  void retrieve(void *& ptr, uint32_t &type)
37  { cc_fifo_retrieve(this->fifo, &ptr, &type); }
38  SbBool tryRetrieve(void *& ptr, uint32_t & type)
39  { return cc_fifo_try_retrieve(this->fifo, &ptr, &type); }
40 
41  unsigned int size(void) const { return cc_fifo_size(this->fifo); }
42 
43  void lock(void) const { cc_fifo_lock(this->fifo); }
44  void unlock(void) const { cc_fifo_unlock(this->fifo); }
45 
46  // lock/unlock only needed around the following operations:
47  SbBool peek(void *& item, uint32_t & type) const
48  { return cc_fifo_peek(this->fifo, &item, &type); }
49  SbBool contains(void * item) const
50  { return cc_fifo_contains(this->fifo, item); }
51  SbBool reclaim(void * item)
52  { return cc_fifo_reclaim(this->fifo, item); }
53 
54 private:
55  cc_fifo * fifo;
56 };
57 
58 #endif // !COIN_SBFIFO_H
SbBool contains(void *item) const
Definition: SbFifo.h:49
void unlock(void) const
Definition: SbFifo.h:44
SbBool reclaim(void *item)
Definition: SbFifo.h:51
SbBool peek(void *&item, uint32_t &type) const
Definition: SbFifo.h:47
SbBool tryRetrieve(void *&ptr, uint32_t &type)
Definition: SbFifo.h:38
void retrieve(void *&ptr, uint32_t &type)
Definition: SbFifo.h:36
void lock(void) const
Definition: SbFifo.h:43
unsigned int size(void) const
Definition: SbFifo.h:41
A class for managing a pointer first-in, first-out queue.
Definition: SbFifo.h:29
void assign(void *ptr, uint32_t type)
Definition: SbFifo.h:34

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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