gettime.c
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/**************************************************************************
* *
* Copyright (C) 1994, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *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 Silicon Graphics, Inc. *
* *
**************************************************************************/
#include <rmon.h>
#include "osint.h"
#include "viint.h"
/*
* This routine returns the value of time in hundred microseconds
* since the last hard reset.
*/
OSTime
osGetTime(void)
{
u32 CurrentCount;
u32 elapseCount;
OSTime tmptime;
register u32 savedMask;
#ifdef _DEBUG
/* Check that VI manager is running */
if (!__osViDevMgr.active) {
__osError(ERR_OSGETTIME, 0);
return(0);
}
#endif
savedMask = __osDisableInt();
CurrentCount = osGetCount();
elapseCount = CurrentCount - __osBaseCounter;
tmptime = __osCurrentTime;
__osRestoreInt(savedMask);
return(tmptime + (OSTime)elapseCount);
}