kc3-lang/libbsd/include/bsd/sys/time.h

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• Hash : c2d9d840
  Author :
  Date : 2018-06-14T11:38:32
  

  Guard non-portable forwarded includes
  
  These headers are not available on Windows. <bsd/sys/cdefs.h> ensures
  that __has_include() and __has_include_next() are defined.
  
  Signed-off-by: Guillem Jover <guillem@hadrons.org>
  

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• include/bsd/sys/time.h

• /*	$OpenBSD: time.h,v 1.36 2016/09/12 19:41:20 guenther Exp $	*/
  /*	$NetBSD: time.h,v 1.18 1996/04/23 10:29:33 mycroft Exp $	*/
  
  /*
   * 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.
   * 3. 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	8.2 (Berkeley) 7/10/94
   */
  
  #ifdef LIBBSD_OVERLAY
  #include <sys/cdefs.h>
  #if __has_include_next(<sys/time.h>)
  #include_next <sys/time.h>
  #endif
  #else
  #include <bsd/sys/cdefs.h>
  #if __has_include(<sys/time.h>)
  #include <sys/time.h>
  #endif
  #endif
  
  #ifndef LIBBSD_SYS_TIME_H
  #define LIBBSD_SYS_TIME_H
  
  #ifndef TIMEVAL_TO_TIMESPEC
  #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
  	(ts)->tv_sec = (tv)->tv_sec;					\
  	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
  }
  #endif
  
  #ifndef TIMESPEC_TO_TIMEVAL
  #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
  	(tv)->tv_sec = (ts)->tv_sec;					\
  	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
  }
  #endif
  
  /* Operations on timevals. */
  #ifndef timerclear
  #define	timerclear(tvp)		(tvp)->tv_sec = (tvp)->tv_usec = 0
  #endif
  
  #ifndef timerisset
  #define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
  #endif
  
  #ifndef timercmp
  #define	timercmp(tvp, uvp, cmp)						\
  	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
  	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
  	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
  #endif
  
  #ifndef timeradd
  #define	timeradd(tvp, uvp, vvp)						\
  	do {								\
  		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
  		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
  		if ((vvp)->tv_usec >= 1000000) {			\
  			(vvp)->tv_sec++;				\
  			(vvp)->tv_usec -= 1000000;			\
  		}							\
  	} while (0)
  #endif
  
  #ifndef timersub
  #define	timersub(tvp, uvp, vvp)						\
  	do {								\
  		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
  		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
  		if ((vvp)->tv_usec < 0) {				\
  			(vvp)->tv_sec--;				\
  			(vvp)->tv_usec += 1000000;			\
  		}							\
  	} while (0)
  #endif
  
  /* Operations on timespecs. */
  #ifndef timespecclear
  #define	timespecclear(tsp)		(tsp)->tv_sec = (tsp)->tv_nsec = 0
  #endif
  
  #ifndef timespecisset
  #define	timespecisset(tsp)		((tsp)->tv_sec || (tsp)->tv_nsec)
  #endif
  
  #ifndef timespeccmp
  #define	timespeccmp(tsp, usp, cmp)					\
  	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
  	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
  	    ((tsp)->tv_sec cmp (usp)->tv_sec))
  #endif
  
  #ifndef timespecadd
  #define	timespecadd(tsp, usp, vsp)					\
  	do {								\
  		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;		\
  		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;	\
  		if ((vsp)->tv_nsec >= 1000000000L) {			\
  			(vsp)->tv_sec++;				\
  			(vsp)->tv_nsec -= 1000000000L;			\
  		}							\
  	} while (0)
  #endif
  
  #ifndef timespecsub
  #define	timespecsub(tsp, usp, vsp)					\
  	do {								\
  		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
  		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
  		if ((vsp)->tv_nsec < 0) {				\
  			(vsp)->tv_sec--;				\
  			(vsp)->tv_nsec += 1000000000L;			\
  		}							\
  	} while (0)
  #endif
  
  #endif
  

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