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/*********************************************************
* Copyright (C) 2009 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
#ifndef _TIMESYNC_POSIX_H_
#define _TIMESYNC_POSIX_H_
/**
* @file timeSyncPosix.h
*
* Posix specific functions and definitions related to syncing time.
*/
#include "timeSync.h"
#include "vm_assert.h"
#include <sys/time.h>
/*
******************************************************************************
* TimeSyncWriteTimeVal -- */ /**
*
* Convert time represented as microseconds, to a timeval. This function
* handles positive and negative values for "time." For a timeval to be
* valid tv_usec must be between 0 and 999999. See
* http://www.gnu.org/s/libc/manual/html_node/Elapsed-Time.html for more
* details.
*
******************************************************************************
*/
static INLINE void
TimeSyncWriteTimeVal(int64 time, struct timeval *tv)
{
int64 sec = time / US_PER_SEC;
int64 usec = time - sec * US_PER_SEC;
if (usec < 0) {
usec += US_PER_SEC;
sec--;
}
ASSERT(0 <= usec && usec < US_PER_SEC &&
time == sec * US_PER_SEC + usec);
tv->tv_sec = sec;
tv->tv_usec = usec;
}
#endif /* _TIMESYNC_INT_H_ */
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