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/* $Id: timeprog.cpp $ */
/** @file
* IPRT - Time Relative to Program Start.
*/
/*
* Copyright (C) 2006-2020 Oracle Corporation
*
* 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 (GPL) 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.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/time.h>
#include "internal/iprt.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;
}
RT_EXPORT_SYMBOL(RTTimeProgramNanoTS);
/**
* Get the microsecond timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint64_t) RTTimeProgramMicroTS(void)
{
return RTTimeProgramNanoTS() / RT_NS_1US;
}
RT_EXPORT_SYMBOL(RTTimeProgramMicroTS);
/**
* Get the millisecond timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint64_t) RTTimeProgramMilliTS(void)
{
return RTTimeProgramNanoTS() / RT_NS_1MS;
}
RT_EXPORT_SYMBOL(RTTimeProgramMilliTS);
/**
* Get the second timestamp relative to program startup.
*
* @returns Timestamp relative to program startup.
*/
RTDECL(uint32_t) RTTimeProgramSecTS(void)
{
return (uint32_t)(RTTimeProgramNanoTS() / RT_NS_1SEC);
}
RT_EXPORT_SYMBOL(RTTimeProgramSecTS);
/**
* Get the RTTimeNanoTS() of when the program started.
*
* @returns Program startup timestamp.
*/
RTDECL(uint64_t) RTTimeProgramStartNanoTS(void)
{
return g_u64ProgramStartNanoTS;
}
RT_EXPORT_SYMBOL(RTTimeProgramStartNanoTS);
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