
/*====================================================================
 * os_time.h
 *
 * Copyright 1995, Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
 * Inc.; the contents of this file may not be disclosed to third
 * parties, copied or duplicated in any form, in whole or in part,
 * without the prior written permission of Silicon Graphics, Inc.
 *
 * RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to
 * restrictions as set forth in subdivision (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS
 * 252.227-7013, and/or in similar or successor clauses in the FAR,
 * DOD or NASA FAR Supplement. Unpublished - rights reserved under the
 * Copyright Laws of the United States.
 *====================================================================*/

/*---------------------------------------------------------------------*
        Copyright (C) 1998 Nintendo. (Originated by SGI)
        
        $RCSfile: os_time.h,v $
        $Revision: 1.1.1.1 $
        $Date: 2002/05/02 03:28:25 $
 *---------------------------------------------------------------------*/

#ifndef _OS_TIME_H_
#define	_OS_TIME_H_

#ifdef _LANGUAGE_C_PLUS_PLUS
extern "C" {
#endif

#include <PR/ultratypes.h>
#include "os_message.h"


#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)

/**************************************************************************
 *
 * Type definitions
 *
 */

/*
 * Structure for time value 
 */
typedef u64	OSTime;

/*
 * Structure for interval timer
 */
typedef struct OSTimer_s {
	struct OSTimer_s	*next;	/* point to next timer in list */
	struct OSTimer_s	*prev;	/* point to previous timer in list */
	OSTime			interval;	/* duration set by user */
	OSTime			value;		/* time remaining before */
						/* timer fires           */
	OSMesgQueue		*mq;		/* Message Queue */
	OSMesg			msg;		/* Message to send */
} OSTimer;


#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */

/**************************************************************************
 *
 * Global definitions
 *
 */


#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)

/**************************************************************************
 *
 * Macro definitions
 *
 */


/**************************************************************************
 *
 * Extern variables
 *
 */


/**************************************************************************
 *
 * Function prototypes
 *
 */

/* Timer interface */

extern OSTime	osGetTime(void);
extern void		osSetTime(OSTime time);
extern int		osSetTimer( OSTimer *timer, OSTime countdown, OSTime interval,
				   OSMesgQueue *mq, OSMesg msg);
extern int		osStopTimer(OSTimer *timer);


#endif  /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */

#ifdef _LANGUAGE_C_PLUS_PLUS
}
#endif

#endif /* !_OS_TIME_H_ */
