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- /* Copyright (C) 1991, 1995, 1997 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* time_.h */
- /* Generic substitute for Unix sys/time.h */
-
- /* We must include std.h before any file that includes sys/types.h. */
- #include "std.h"
-
- /* The location (or existence) of certain system headers is */
- /* environment-dependent. We detect this in the makefile */
- /* and conditionally define switches in gconfig_.h. */
- #include "gconfig_.h"
-
- /* Some System V environments don't include sys/time.h. */
- /* The HAVE_SYS_TIME_H switch in gconfig_.h reflects this. */
- #ifdef HAVE_SYS_TIME_H
- # include <sys/time.h>
- # if defined(M_UNIX) || defined(_IBMR2) /* SCO and AIX need both time.h and sys/time.h! */
- # include <time.h>
- # endif
- #else
- # include <time.h>
- # ifndef __DECC
- struct timeval {
- long tv_sec, tv_usec;
- };
- # endif
- struct timezone {
- int tz_minuteswest, tz_dsttime;
- };
- #endif
-
- #if defined(ultrix) && defined(mips)
- /* Apparently some versions of Ultrix for the DECstation include */
- /* time_t in sys/time.h, and some don't. If you get errors */
- /* compiling gp_unix.c, uncomment the next line. */
- /* typedef int time_t; */
- #endif
-
- /* In SVR4.0 (but not other System V implementations), */
- /* gettimeofday doesn't take a timezone argument. */
- #ifdef SVR4_0
- # define gettimeofday_no_timezone 1
- #else
- # define gettimeofday_no_timezone 0
- #endif
-
- /* Some System V environments, and Posix environments, need <sys/times.h>. */
- #ifdef HAVE_SYS_TIMES_H
- # include <sys/times.h>
- # define use_times_for_usertime 1
- /* Posix 1003.1b-1993 section 4.8.1.5 says that
- CLK_TCK is obsolescent and that sysconf(_SC_CLK_TCK)
- should be used instead, but this requires including
- <unistd.h>, which is too painful to configure. */
- # ifndef CLK_TCK
- # define CLK_TCK 100 /* guess for older hosts */
- # endif
- #else
- # define use_times_for_usertime 0
- #endif
-