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6099 serge 1
/*-
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 * Copyright (c) 2002 Mike Barcroft 
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * $FreeBSD$
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 */
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#ifndef _SYS__TIMEVAL_H_
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#define _SYS__TIMEVAL_H_
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#include 
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#ifndef _SUSECONDS_T_DECLARED
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typedef	__suseconds_t	suseconds_t;
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#define	_SUSECONDS_T_DECLARED
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#endif
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#ifndef __time_t_defined
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typedef	_TIME_T_	time_t;
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#define	__time_t_defined
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#endif
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/* This define is also used outside of Newlib, e.g. in MinGW-w64 */
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#ifndef _TIMEVAL_DEFINED
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#define _TIMEVAL_DEFINED
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/*
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 * Structure returned by gettimeofday(2) system call, and used in other calls.
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 */
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struct timeval {
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	time_t		tv_sec;		/* seconds */
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	suseconds_t	tv_usec;	/* and microseconds */
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};
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#if __BSD_VISIBLE
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#ifndef _KERNEL			/* NetBSD/OpenBSD compatible interfaces */
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#define	timerclear(tvp)		((tvp)->tv_sec = (tvp)->tv_usec = 0)
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#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
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#define	timercmp(tvp, uvp, cmp)					\
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	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
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	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
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	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
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#define	timeradd(tvp, uvp, vvp)						\
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	do {								\
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		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
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		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
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		if ((vvp)->tv_usec >= 1000000) {			\
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			(vvp)->tv_sec++;				\
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			(vvp)->tv_usec -= 1000000;			\
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		}							\
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	} while (0)
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#define	timersub(tvp, uvp, vvp)						\
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	do {								\
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		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
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		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
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		if ((vvp)->tv_usec < 0) {				\
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			(vvp)->tv_sec--;				\
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			(vvp)->tv_usec += 1000000;			\
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		}							\
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	} while (0)
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#endif
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#endif /* __BSD_VISIBLE */
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#endif /* _TIMEVAL_DEFINED */
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#endif /* !_SYS__TIMEVAL_H_ */