timeprog.cpp revision 809042a4ca5f2204ab1c81d5e5076c39c49c2240
/* $Id$ */
/** @file
* innotek Portable Runtime - Time Relative to Program Start.
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation,
* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
* distribution. VirtualBox OSE is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/time.h>
#include <iprt/assert.h>
#include "internal/time.h"
/**
* Get the nanosecond timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint64_t) RTTimeProgramNanoTS(void)
{
return RTTimeNanoTS() - g_u64ProgramStartNanoTS;
}
/**
* Get the microsecond timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint64_t) RTTimeProgramMicroTS(void)
{
return RTTimeProgramNanoTS() / 1000;
}
/**
* Get the millisecond timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint64_t) RTTimeProgramMilliTS(void)
{
return RTTimeMilliTS() - g_u64ProgramStartMilliTS;
}
/**
* Get the second timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint32_t) RTTimeProgramSecTS(void)
{
AssertMsg(g_u64ProgramStartMilliTS, ("RTR3Init hasn't been called!\n"));
return (uint32_t)(RTTimeProgramMilliTS() / 1000);
}
/**
* Get the RTTimeNanoTS() of when the program started.
*
* @returns Program startup timestamp.
*/
RTDECL(uint64_t) RTTimeProgramStartNanoTS(void)
{
return g_u64ProgramStartNanoTS;
}