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90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
4 years ago
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/*-
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* Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
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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 <sys/_types.h>
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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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#if !defined(__time_t_defined) && !defined(_TIME_T_DECLARED)
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typedef _TIME_T_ time_t;
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#define __time_t_defined
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#define _TIME_T_DECLARED
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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_ */
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