mirror of
https://github.com/coreutils/coreutils.git
synced 2024-12-04 07:24:22 +08:00
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* gethrxtime -- get high resolution real time
|
|
|
|
Copyright (C) 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
|
|
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
/* Written by Paul Eggert. */
|
|
|
|
#ifndef GETHRXTIME_H_
|
|
# define GETHRXTIME_H_ 1
|
|
|
|
# include "xtime.h"
|
|
|
|
/* Get the current time, as a count of the number of nanoseconds since
|
|
an arbitrary epoch (e.g., the system boot time). Prefer a
|
|
high-resolution clock that is not subject to resetting or
|
|
drifting. */
|
|
|
|
# if HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME
|
|
# include <time.h>
|
|
static inline xtime_t gethrxtime (void) { return gethrtime (); }
|
|
# else
|
|
xtime_t gethrxtime (void);
|
|
# endif
|
|
|
|
#endif
|