X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftimespec.h;h=cce2d663ad21ba73d15c81c6bdfa43d3a3eba704;hb=20229ba96d971f97ff03ab74eeb4e7de1acccf98;hp=d751fc6ab112e1ed1d990922106cdec4a62fbddd;hpb=10ce26c08f4e8ffe6ac636b1fec6a33a847b0d3a;p=gnulib.git diff --git a/lib/timespec.h b/lib/timespec.h index d751fc6ab..cce2d663a 100644 --- a/lib/timespec.h +++ b/lib/timespec.h @@ -1,6 +1,6 @@ /* timespec -- System time interface - Copyright (C) 2000, 2002, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2004, 2005, 2007 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 @@ -14,56 +14,22 @@ 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. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #if ! defined TIMESPEC_H # define TIMESPEC_H -/* You must include config.h before including this file. */ +# include -# include -# if TIME_WITH_SYS_TIME -# include -# include -# else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -# endif - -# if ! HAVE_STRUCT_TIMESPEC -/* Some systems don't define this struct, e.g., AIX 4.1, Ultrix 4.3. */ -struct timespec +/* Return negative, zero, positive if A < B, A == B, A > B, respectively. + Assume the nanosecond components are in range, or close to it. */ +static inline int +timespec_cmp (struct timespec a, struct timespec b) { - 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 + return (a.tv_sec < b.tv_sec ? -1 + : a.tv_sec > b.tv_sec ? 1 + : a.tv_nsec - b.tv_nsec); +} void gettime (struct timespec *); int settime (struct timespec const *);