Statistics
| Branch: | Tag: | Revision:

root / gcell / src / ibm / sync / ppu_source / cond_init.h @ 28361a1b

History | View | Annotate | Download (3.3 kB)

1
/* --------------------------------------------------------------  */
2
/* (C)Copyright 2001,2007,                                         */
3
/* International Business Machines Corporation,                    */
4
/* Sony Computer Entertainment, Incorporated,                      */
5
/* Toshiba Corporation,                                            */
6
/*                                                                 */
7
/* All Rights Reserved.                                            */
8
/*                                                                 */
9
/* Redistribution and use in source and binary forms, with or      */
10
/* without modification, are permitted provided that the           */
11
/* following conditions are met:                                   */
12
/*                                                                 */
13
/* - Redistributions of source code must retain the above copyright*/
14
/*   notice, this list of conditions and the following disclaimer. */
15
/*                                                                 */
16
/* - Redistributions in binary form must reproduce the above       */
17
/*   copyright notice, this list of conditions and the following   */
18
/*   disclaimer in the documentation and/or other materials        */
19
/*   provided with the distribution.                               */
20
/*                                                                 */
21
/* - Neither the name of IBM Corporation nor the names of its      */
22
/*   contributors may be used to endorse or promote products       */
23
/*   derived from this software without specific prior written     */
24
/*   permission.                                                   */
25
/*                                                                 */
26
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND          */
27
/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,     */
28
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF        */
29
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE        */
30
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR            */
31
/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,    */
32
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT    */
33
/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;    */
34
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)        */
35
/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN       */
36
/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR    */
37
/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  */
38
/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              */
39
/* --------------------------------------------------------------  */
40
/* PROLOG END TAG zYx                                              */
41
#ifndef _PPU_COND_INIT_H_
42
#define _PPU_COND_INIT_H_
43
44
#include "sync_utils.h"
45
#include "cond.h"
46
47
/**
48
 * cond_init - initialize condition variable.
49
 * @cond: handle to effective address of condition variable.
50
 *
51
 * Only one thread initializes a condition variable. Usually, the 
52
 * PPE thread initializes a condidtion variable 
53
 *
54
 * Description: Initialize a cond variable to false.
55
 */
56
static __inline void _cond_init (cond_ea_t  cond)
57
{
58
  volatile unsigned int *p;
59
60
  SYNC_ULL_TO_PTR(cond, p);
61
62
  *p = 0;
63
}
64
65
66
#endif /* _PPU_COND_INIT_H_ */