/* * clock_settime() for uClibc * * Copyright (C) 2005 by Peter Kjellerstedt <pkj@axis.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Library General Public License as published by * the Free Software Foundation; either version 2 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 Library General Public License * for more details. * * You should have received a copy of the GNU Library 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 * */ #define _GNU_SOURCE #include "syscalls.h" #include <time.h> #include <sys/time.h> #ifdef __NR_clock_settime _syscall2(int, clock_settime, clockid_t, clock_id, const struct timespec*, tp); #else int clock_settime(clockid_t clock_id, const struct timespec* tp) { struct timeval tv; int retval = -1; if (tp->tv_nsec < 0 || tp->tv_nsec >= 1000000000) { errno = EINVAL; return -1; } switch (clock_id) { case CLOCK_REALTIME: TIMESPEC_TO_TIMEVAL(&tv, tp); retval = settimeofday(&tv, NULL); break; default: errno = EINVAL; break; } return retval; } #endif