diff options
author | Paul Eggert <eggert@cs.ucla.edu> | 2012-06-22 14:26:37 -0700 |
---|---|---|
committer | Paul Eggert <eggert@cs.ucla.edu> | 2012-06-22 14:26:37 -0700 |
commit | c8fff8630133fea7c4e279458d10d825e5028c62 (patch) | |
tree | f8b8261fdf3596e1306a3d072e13ec572c9e3e65 /lib/gettime.c | |
parent | 36cec983d4e680e28e7066fda505910cd549f509 (diff) | |
download | emacs-c8fff8630133fea7c4e279458d10d825e5028c62.tar.gz |
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 @@ +/* gettime -- get the system clock + + Copyright (C) 2002, 2004-2007, 2009-2012 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Paul Eggert. */ + +#include <config.h> + +#include "timespec.h" + +#include <sys/time.h> + +/* Get the system time into *TS. */ + +void +gettime (struct timespec *ts) +{ +#if HAVE_NANOTIME + nanotime (ts); +#else + +# if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME + if (clock_gettime (CLOCK_REALTIME, ts) == 0) + return; +# endif + + { + struct timeval tv; + gettimeofday (&tv, NULL); + ts->tv_sec = tv.tv_sec; + ts->tv_nsec = tv.tv_usec * 1000; + } + +#endif +} |