havelib: Fix for Solaris 11 OpenIndiana and Solaris 11 OmniOS.
[gnulib.git] / lib / gethrxtime.h
blob44973397b54378f20050fbeea3e6f04eda98e5f9
1 /* gethrxtime -- get high resolution real time
3 Copyright (C) 2005, 2009-2020 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 /* Written by Paul Eggert. */
20 #ifndef GETHRXTIME_H_
21 #define GETHRXTIME_H_ 1
23 #include "xtime.h"
25 #ifndef _GL_INLINE_HEADER_BEGIN
26 #error "Please include config.h first."
27 #endif
28 _GL_INLINE_HEADER_BEGIN
29 #ifndef GETHRXTIME_INLINE
30 # define GETHRXTIME_INLINE _GL_INLINE
31 #endif
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
37 /* Get the current time, as a count of the number of nanoseconds since
38 an arbitrary epoch (e.g., the system boot time). Prefer a
39 high-resolution clock that is not subject to resetting or
40 drifting. */
42 #if HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME
43 # include <time.h>
44 GETHRXTIME_INLINE xtime_t gethrxtime (void) { return gethrtime (); }
45 # else
46 xtime_t gethrxtime (void);
47 #endif
49 _GL_INLINE_HEADER_END
51 #ifdef __cplusplus
53 #endif
55 #endif