# HG changeset patch # User Jim Meyering # Date 1015024820 0 # Node ID 3f9408503b6e7404baf16eb527c3f00ebde05262 # Parent e22be96e00a6cb6c9eb576adacb251d42a91fd47 new file, from Paul Eggert diff --git a/lib/gettime.c b/lib/gettime.c new file mode 100644 --- /dev/null +++ b/lib/gettime.c @@ -0,0 +1,46 @@ +/* gettime -- get the system clock + Copyright (C) 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Written by Paul Eggert. */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include "timespec.h" + +/* Get the system time. */ + +int +gettime (struct timespec *ts) +{ +#if defined CLOCK_REALTIME && HAVE_CLOCK_SETTIME + if (clock_gettime (CLOCK_REALTIME, ts) == 0) + return 0; +#endif + + { + struct timeval tv; + int r = gettimeofday (&tv, 0); + if (r == 0) + { + ts->tv_sec = tv.tv_sec; + ts->tv_nsec = tv.tv_usec * 1000; + } + return r; + } +} diff --git a/lib/settime.c b/lib/settime.c new file mode 100644 --- /dev/null +++ b/lib/settime.c @@ -0,0 +1,43 @@ +/* settime -- set the system clock + Copyright (C) 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Written by Paul Eggert. */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include "timespec.h" + +/* Set the system time. */ + +int +settime (struct timespec const *ts) +{ +#if defined CLOCK_REALTIME && HAVE_CLOCK_SETTIME + if (clock_settime (CLOCK_REALTIME, ts) == 0) + return 0; +#endif + + { + struct timeval tv; + + tv.tv_sec = ts->tv_sec; + tv.tv_usec = ts->tv_nsec / 1000; + return settimeofday (&tv, 0); + } +}