1 /*---------------------------------------------------------------------------*
2   Project:  Dolphin OS Semaphore API
3   File:     OSSemaphore.h
4 
5   Copyright 2001 Nintendo. All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain
8   proprietary information of Nintendo of America Inc. and/or Nintendo
9   Company Ltd., and are protected by Federal copyright law.  They may
10   not be disclosed to third parties or copied or duplicated in any form,
11   in whole or in part, without the prior written consent of Nintendo.
12 
13   $Log: OSSemaphore.h,v $
14   Revision 1.2  2006/02/04 11:56:48  hashida
15   (none)
16 
17   Revision 1.1.1.1  2005/12/29 06:53:28  hiratsu
18   Initial import.
19 
20   Revision 1.1.1.1  2005/05/12 02:41:07  yasuh-to
21   Ported from dolphin source tree.
22 
23 
24     1     2001/10/22 15:56 Shiki
25     Initial check-in.
26   $NoKeywords: $
27  *---------------------------------------------------------------------------*/
28 
29 #ifndef __OSSEMAPHORE_H__
30 #define __OSSEMAPHORE_H__
31 
32 #include <revolution/os/OSThread.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 typedef struct OSSemaphore
39 {
40     s32           count;
41     OSThreadQueue queue;
42 } OSSemaphore;
43 
44 void OSInitSemaphore    ( OSSemaphore* sem, s32 count );
45 s32  OSWaitSemaphore    ( OSSemaphore* sem );
46 s32  OSTryWaitSemaphore ( OSSemaphore* sem );
47 s32  OSSignalSemaphore  ( OSSemaphore* sem );
48 s32  OSGetSemaphoreCount( OSSemaphore* sem );
49 
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 #endif  // __OSSEMAPHORE_H__
56