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/* Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 <bits/kernel-features.h>
#include "kernel-posix-timers.h"
#if defined(__UCLIBC_USE_TIME64__)
#include "internal/time64_helpers.h"
#endif
#if defined(__NR_timer_settime) || defined(__NR_timer_settime64)
# ifndef __ASSUME_POSIX_TIMERS
static int compat_timer_settime (timer_t timerid, int flags,
const struct itimerspec *value,
struct itimerspec *ovalue);
# define timer_settime static compat_timer_settime
# include <nptl/sysdeps/pthread/timer_settime.c>
# undef timer_settime
# endif
# ifdef timer_settime_alias
# define timer_settime timer_settime_alias
# endif
int
timer_settime (
timer_t timerid,
int flags,
const struct itimerspec *value,
struct itimerspec *ovalue)
{
# undef timer_settime
# ifndef __ASSUME_POSIX_TIMERS
if (__no_posix_timers >= 0)
# endif
{
struct timer *kt = (struct timer *) timerid;
/* Delete the kernel timer object. */
# if defined(__UCLIBC_USE_TIME64__) && defined(__NR_timer_settime64)
int res = INLINE_SYSCALL (timer_settime64, 4, kt->ktimerid, flags,
TO_ITS64_P(value), ovalue);
# else
int res = INLINE_SYSCALL (timer_settime, 4, kt->ktimerid, flags,
value, ovalue);
# endif
# ifndef __ASSUME_POSIX_TIMERS
if (res != -1 || errno != ENOSYS)
{
/* We know the syscall support is available. */
__no_posix_timers = 1;
# endif
return res;
# ifndef __ASSUME_POSIX_TIMERS
}
# endif
# ifndef __ASSUME_POSIX_TIMERS
__no_posix_timers = -1;
# endif
}
# ifndef __ASSUME_POSIX_TIMERS
return compat_timer_settime (timerid, flags, value, ovalue);
# endif
}
#else
# ifdef timer_settime_alias
# define timer_settime timer_settime_alias
# endif
/* The new system calls are not available. Use the userlevel
implementation. */
# include <nptl/sysdeps/pthread/timer_settime.c>
#endif
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