| /* gethrxtime -- get high resolution real time |
| |
| Copyright (C) 2005, 2009-2021 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Paul Eggert. */ |
| |
| #ifndef GETHRXTIME_H_ |
| #define GETHRXTIME_H_ 1 |
| |
| #include "xtime.h" |
| |
| #ifndef _GL_INLINE_HEADER_BEGIN |
| #error "Please include config.h first." |
| #endif |
| _GL_INLINE_HEADER_BEGIN |
| #ifndef GETHRXTIME_INLINE |
| # define GETHRXTIME_INLINE _GL_INLINE |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* 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> |
| GETHRXTIME_INLINE xtime_t gethrxtime (void) { return gethrtime (); } |
| # else |
| xtime_t gethrxtime (void); |
| #endif |
| |
| _GL_INLINE_HEADER_END |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |