/*---------------------------------------------------------------------------*

  Copyright (C) Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

 *---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*
  Project:  OS Semaphore API
  File:     OSSemaphore.h

  Copyright (C) Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

 *---------------------------------------------------------------------------*/

#ifndef __OSSEMAPHORE_H__
#define __OSSEMAPHORE_H__

#define OSSEMAPHORE_TXT_TAG 0x73506852

#include <cafe/os/OSThread.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct OSSemaphore
{
    u32           txtTag;           // 'sPhR' 0x73506852
    char *        name;             // debug name or NULL
    u32           os_reserved1;

    s32           count;
    OSThreadQueue queue;
} OSSemaphore;

void OSInitSemaphore    ( OSSemaphore* sem, s32 count );
void OSInitSemaphoreEx  ( OSSemaphore* sem, s32 count, char * name );

s32  OSWaitSemaphore    ( OSSemaphore* sem );
s32  OSTryWaitSemaphore ( OSSemaphore* sem );
s32  OSSignalSemaphore  ( OSSemaphore* sem );
s32  OSGetSemaphoreCount( OSSemaphore* sem );


#ifdef __cplusplus
}
#endif

#endif  // __OSSEMAPHORE_H__