include/lib/stdlib/sys/timespec.h

/*-
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)time.h	8.5 (Berkeley) 5/4/95
 * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
 *	$FreeBSD$
 */

#ifndef _SYS_TIMESPEC_H_
#define _SYS_TIMESPEC_H_

#include <sys/cdefs.h>
#include <sys/_timespec.h>

#if __BSD_VISIBLE
#define	TIMEVAL_TO_TIMESPEC(tv, ts)					\
	do {								\
		(ts)->tv_sec = (tv)->tv_sec;				\
		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\
	} while (0)
#define	TIMESPEC_TO_TIMEVAL(tv, ts)					\
	do {								\
		(tv)->tv_sec = (ts)->tv_sec;				\
		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\
	} while (0)

#endif /* __BSD_VISIBLE */

/*
 * Structure defined by POSIX.1b to be like a itimerval, but with
 * timespecs. Used in the timer_*() system calls.
 */
struct itimerspec {
	struct timespec  it_interval;
	struct timespec  it_value;
};

#endif /* _SYS_TIMESPEC_H_ */