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/* Set timer TIMERID to VALUE, returning old value in OVALUE.
Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <sysdep.h>
#include <y2038-support.h>
#include "kernel-posix-timers.h"
int
__timerfd_settime64 (int fd, int flags, const struct __itimerspec64 *value,
struct __itimerspec64 *ovalue)
{
int res;
struct itimerspec value32;
struct itimerspec ovalue32;
if (value == NULL)
return EFAULT;
#ifdef __NR_timerfd_settime64
if (__y2038_get_kernel_support () > 0)
{
res = INLINE_SYSCALL (timerfd_settime64, 3, fd, value, ovalue);
if (res == 0 || errno != ENOSYS)
return res;
__y2038_set_kernel_support (-1);
}
#endif
if (value->it_value.tv_sec > INT_MAX
|| value->it_interval.tv_sec > INT_MAX)
{
__set_errno(EOVERFLOW);
return -1;
}
value32.it_value.tv_sec = value->it_value.tv_sec;
value32.it_value.tv_nsec = value->it_value.tv_nsec;
value32.it_interval.tv_sec = value->it_interval.tv_sec;
value32.it_interval.tv_nsec = value->it_interval.tv_nsec;
res = INLINE_SYSCALL (timerfd_settime, 4, fd, flags,
&value32, &ovalue32);
if (res == 0 && ovalue != NULL)
{
ovalue->it_value.tv_sec = ovalue32.it_value.tv_sec;
ovalue->it_value.tv_nsec = ovalue32.it_value.tv_nsec;
ovalue->it_interval.tv_sec = ovalue32.it_interval.tv_sec;
ovalue->it_interval.tv_nsec = ovalue32.it_interval.tv_nsec;
}
return res;
}
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