diff options
Diffstat (limited to 'lib/gettime.c')
-rw-r--r-- | lib/gettime.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/gettime.c b/lib/gettime.c new file mode 100644 index 0000000..0f94297 --- /dev/null +++ b/lib/gettime.c @@ -0,0 +1,53 @@ +/* gettime -- get the system clock + Copyright (C) 2002, 2004, 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. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "timespec.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 + +# if HAVE_GETTIMEOFDAY + { + struct timeval tv; + gettimeofday (&tv, NULL); + ts->tv_sec = tv.tv_sec; + ts->tv_nsec = tv.tv_usec * 1000; + } +# else + ts->tv_sec = time (NULL); + ts->tv_nsec = 0; +# endif + +#endif +} |