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/* Copyright (C) 1991, 1995, 1997, 1998 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: time_.h,v 1.8 2003/08/16 23:59:19 giles Exp $ */
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/* Generic substitute for Unix sys/time.h */
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#ifndef time__INCLUDED
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# define time__INCLUDED
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/* We must include std.h before any file that includes sys/types.h. */
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#include "std.h"
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/*
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* The location (or existence) of certain system headers is
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* environment-dependent. We detect this in the makefile
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* and conditionally define switches in gconfig_.h.
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*/
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#include "gconfig_.h"
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/*
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* Some System V environments don't include sys/time.h.
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* The HAVE_SYS_TIME_H switch in gconfig_.h reflects this.
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*/
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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# if defined(Plan9) || defined(M_UNIX) || defined(_IBMR2) || defined(_SEQUENT_) || defined(__GNUC__) || defined(__INTEL_COMPILER)
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/* Plan 9, SCO, AIX and Sequent's DYNIX/ptx need both time.h and
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* sys/time.h! As of version 2.2, at least some glibc
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* installations also require both files.
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* Following Duraid Madina's request we also do it on Intel compiler.
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*/
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# include <time.h>
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# endif
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#else
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# include <time.h>
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# if !defined(__DECC) && !defined(__MWERKS__)
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struct timeval {
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long tv_sec, tv_usec;
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};
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# endif
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struct timezone {
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int tz_minuteswest, tz_dsttime;
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};
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#endif
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#if defined(ultrix) && defined(mips)
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/*
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* Apparently some versions of Ultrix for the DECstation include
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* time_t in sys/time.h, and some don't. If you get errors
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* compiling gp_unix.c, uncomment the next line.
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*/
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/* typedef int time_t; */
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#endif
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/*
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* In SVR4.0 (but not other System V implementations),
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* gettimeofday doesn't take a timezone argument.
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*/
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#ifdef SVR4_0
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# define gettimeofday_no_timezone 1
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#else
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# define gettimeofday_no_timezone 0
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#endif
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/* Some System V environments, and Posix environments, need <sys/times.h>. */
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#ifdef HAVE_SYS_TIMES_H
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# include <sys/times.h>
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# define use_times_for_usertime 1
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/* Posix 1003.1b-1993 section 4.8.1.5 says that
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CLK_TCK is obsolescent and that sysconf(_SC_CLK_TCK)
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should be used instead, but this requires including
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<unistd.h>, which is too painful to configure. */
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# ifndef CLK_TCK
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# define CLK_TCK 100 /* guess for older hosts */
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# endif
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#else
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# define use_times_for_usertime 0
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#endif
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#endif /* time__INCLUDED */
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