[apple/system_cmds.git] / CPPUtil / UtilAbsTime.cpp

//
//  UtilAbsTime.cpp
//  CPPUtil
//
//  Created by James McIlree on 4/14/13.
//  Copyright (c) 2013 Apple. All rights reserved.
//

#include "CPPUtil.h"

BEGIN_UTIL_NAMESPACE

const AbsTime AbsTime::BEGINNING_OF_TIME = AbsTime(0ULL);
const AbsTime AbsTime::END_OF_TIME = AbsTime(UINT64_MAX);

AbsTime AbsTime::now() {
    return AbsTime(mach_absolute_time());
}

NanoTime AbsTime::nano_time() const {
    mach_timebase_info_data_t timebase_info;
    mach_timebase_info(&timebase_info);
    return NanoTime(_time * timebase_info.numer  / timebase_info.denom);
}

NanoTime AbsTime::nano_time(mach_timebase_info_data_t timebase_info) const {
    return NanoTime(_time * timebase_info.numer  / timebase_info.denom);
}

END_UTIL_NAMESPACE
Commit	Line	Data
bd6521f0 A	1	//
	2	// UtilAbsTime.cpp
	3	// CPPUtil
	4	//
	5	// Created by James McIlree on 4/14/13.
	6	// Copyright (c) 2013 Apple. All rights reserved.
	7	//
	8
	9	#include "CPPUtil.h"
	10
	11	BEGIN_UTIL_NAMESPACE
	12
	13	const AbsTime AbsTime::BEGINNING_OF_TIME = AbsTime(0ULL);
	14	const AbsTime AbsTime::END_OF_TIME = AbsTime(UINT64_MAX);
	15
	16	AbsTime AbsTime::now() {
	17	return AbsTime(mach_absolute_time());
	18	}
	19
	20	NanoTime AbsTime::nano_time() const {
	21	mach_timebase_info_data_t timebase_info;
	22	mach_timebase_info(&timebase_info);
	23	return NanoTime(_time * timebase_info.numer / timebase_info.denom);
	24	}
	25
	26	NanoTime AbsTime::nano_time(mach_timebase_info_data_t timebase_info) const {
	27	return NanoTime(_time * timebase_info.numer / timebase_info.denom);
	28	}
	29
	30	END_UTIL_NAMESPACE