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/* timespec -- System time interface
Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if ! defined TIMESPEC_H
# define TIMESPEC_H
/* You must include config.h before including this file. */
# include <sys/types.h>
# if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
# else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
# endif
# if ! HAVE_STRUCT_TIMESPEC
/* Some systems don't define this struct, e.g., AIX 4.1, Ultrix 4.3. */
struct timespec
{
time_t tv_sec;
long tv_nsec;
};
# endif
# ifdef ST_MTIM_NSEC
# define ST_TIME_CMP_NS(a, b, ns) ((a).ns < (b).ns ? -1 : (a).ns > (b).ns)
# else
# define ST_TIME_CMP_NS(a, b, ns) 0
# endif
# define ST_TIME_CMP(a, b, s, ns) \
((a).s < (b).s ? -1 : (a).s > (b).s ? 1 : ST_TIME_CMP_NS(a, b, ns))
# define ATIME_CMP(a, b) ST_TIME_CMP (a, b, st_atime, st_atim.ST_MTIM_NSEC)
# define CTIME_CMP(a, b) ST_TIME_CMP (a, b, st_ctime, st_ctim.ST_MTIM_NSEC)
# define MTIME_CMP(a, b) ST_TIME_CMP (a, b, st_mtime, st_mtim.ST_MTIM_NSEC)
# ifdef ST_MTIM_NSEC
# define TIMESPEC_NS(timespec) ((timespec).ST_MTIM_NSEC)
# else
# define TIMESPEC_NS(timespec) 0
# endif
# if ! HAVE_DECL_NANOSLEEP
/* Don't specify a prototype here. Some systems (e.g., OSF) declare
nanosleep with a conflicting one (const-less first parameter). */
int nanosleep ();
# endif
int gettime (struct timespec *);
int settime (struct timespec const *);
#endif
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