X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftimespec.h;h=8188c208c036213f0dc1f6d95b67293e4a935593;hb=21fe180be9b515c57817a72c90d265b77dd98e1c;hp=2c32a23db42518b6c20495f068ee10b94f83c127;hpb=9ac051df639f12ff4a940bd37231fe5143ebe3f2;p=gnulib.git diff --git a/lib/timespec.h b/lib/timespec.h index 2c32a23db..8188c208c 100644 --- a/lib/timespec.h +++ b/lib/timespec.h @@ -1,6 +1,6 @@ /* timespec -- System time interface - Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2004, 2005 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 @@ -14,13 +14,11 @@ 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 # if TIME_WITH_SYS_TIME # include @@ -42,22 +40,15 @@ struct timespec }; # 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 +/* 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) +{ + return (a.tv_sec < b.tv_sec ? -1 + : a.tv_sec > b.tv_sec ? 1 + : a.tv_nsec - b.tv_nsec); +} # if ! HAVE_DECL_NANOSLEEP /* Don't specify a prototype here. Some systems (e.g., OSF) declare @@ -65,7 +56,7 @@ struct timespec int nanosleep (); # endif -int gettime (struct timespec *); +void gettime (struct timespec *); int settime (struct timespec const *); #endif