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| author | Paul Eggert | 2012-06-22 14:26:37 -0700 |
|---|---|---|
| committer | Paul Eggert | 2012-06-22 14:26:37 -0700 |
| commit | c8fff8630133fea7c4e279458d10d825e5028c62 (patch) | |
| tree | f8b8261fdf3596e1306a3d072e13ec572c9e3e65 /lib/gettime.c | |
| parent | 36cec983d4e680e28e7066fda505910cd549f509 (diff) | |
| download | emacs-c8fff8630133fea7c4e279458d10d825e5028c62.tar.gz emacs-c8fff8630133fea7c4e279458d10d825e5028c62.zip | |
Add gnulib files to support higher-resolution time stamps.
Fixes: debbugs:9000
Diffstat (limited to 'lib/gettime.c')
| -rw-r--r-- | lib/gettime.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/gettime.c b/lib/gettime.c new file mode 100644 index 00000000000..8075bfaf999 --- /dev/null +++ b/lib/gettime.c | |||
| @@ -0,0 +1,48 @@ | |||
| 1 | /* gettime -- get the system clock | ||
| 2 | |||
| 3 | Copyright (C) 2002, 2004-2007, 2009-2012 Free Software Foundation, Inc. | ||
| 4 | |||
| 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. | ||
| 9 | |||
| 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. | ||
| 14 | |||
| 15 | You should have received a copy of the GNU General Public License | ||
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | ||
| 17 | |||
| 18 | /* Written by Paul Eggert. */ | ||
| 19 | |||
| 20 | #include <config.h> | ||
| 21 | |||
| 22 | #include "timespec.h" | ||
| 23 | |||
| 24 | #include <sys/time.h> | ||
| 25 | |||
| 26 | /* Get the system time into *TS. */ | ||
| 27 | |||
| 28 | void | ||
| 29 | gettime (struct timespec *ts) | ||
| 30 | { | ||
| 31 | #if HAVE_NANOTIME | ||
| 32 | nanotime (ts); | ||
| 33 | #else | ||
| 34 | |||
| 35 | # if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME | ||
| 36 | if (clock_gettime (CLOCK_REALTIME, ts) == 0) | ||
| 37 | return; | ||
| 38 | # endif | ||
| 39 | |||
| 40 | { | ||
| 41 | struct timeval tv; | ||
| 42 | gettimeofday (&tv, NULL); | ||
| 43 | ts->tv_sec = tv.tv_sec; | ||
| 44 | ts->tv_nsec = tv.tv_usec * 1000; | ||
| 45 | } | ||
| 46 | |||
| 47 | #endif | ||
| 48 | } | ||