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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