X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftimespec.h;h=c65257792cb2ae809562fe04393aeed0e87f4d3e;hb=70da04bc5da799165778cfe83c2d6a64dcb25b83;hp=86334611c4d5516921b3b7bf41bb37910cde860f;hpb=13569a87fdd43cc11495d310f7324447c24a6bc4;p=gnulib.git diff --git a/lib/timespec.h b/lib/timespec.h index 86334611c..c65257792 100644 --- a/lib/timespec.h +++ b/lib/timespec.h @@ -1,6 +1,6 @@ /* timespec -- System time interface - Copyright (C) 2000, 2002 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 @@ -14,39 +14,34 @@ 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 +# if HAVE_SYS_TIME_H # include -# include -# else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif # endif +# include # 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; + long int tv_nsec; }; # endif -# 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 @@ -54,7 +49,7 @@ struct timespec int nanosleep (); # endif -int gettime (struct timespec *); +void gettime (struct timespec *); int settime (struct timespec const *); #endif