time-r0drv-darwin.cpp revision 7e3010fbb82a2b0f9fcb52f052e4aabfd931e2db
/* $Id$ */
/** @file
* IPRT - Time, Ring-0 Driver, Darwin.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP RTLOGGROUP_TIME
#include "the-darwin-kernel.h"
{
/* first call: check if life is simple or not. */
if (s_fSimple < 0)
{
struct mach_timebase_info Info;
}
/* special case: absolute time is in nanoseconds */
if (s_fSimple)
return mach_absolute_time();
return u64;
}
/**
* Gets the current nanosecond timestamp.
*
* @returns nanosecond timestamp.
*/
{
return rtTimeGetSystemNanoTS();
}
/**
* Gets the current millisecond timestamp.
*
* @returns millisecond timestamp.
*/
{
return rtTimeGetSystemNanoTS() / 1000000;
}
/**
* Gets the current nanosecond timestamp.
*
* This differs from RTTimeNanoTS in that it will use system APIs and not do any
* resolution or performance optimizations.
*
* @returns nanosecond timestamp.
*/
{
return rtTimeGetSystemNanoTS();
}
/**
* Gets the current millisecond timestamp.
*
* This differs from RTTimeNanoTS in that it will use system APIs and not do any
* resolution or performance optimizations.
*
* @returns millisecond timestamp.
*/
{
return rtTimeGetSystemNanoTS() / 1000000;
}
/**
* Gets the current system time.
*
* @returns pTime.
* @param pTime Where to store the time.
*/
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
#else
#endif
}