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/* Copyright (C) 2013 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; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdint.h>
#include <time.h>
#include <sys/time.h>
#include <libc-internal.h>
#include <ldsodefs.h>
#include <sysdep.h>
int __syscall_clock_settime(clockid_t clock_id, const struct timespec *tp);
libc_hidden_proto (__syscall_clock_settime)
/* Set CLOCK to value TP. */
int
__clock_settime (clockid_t clock_id, const struct timespec *tp)
{
switch(clock_id)
{
case CLOCK_MONOTONIC:
case CLOCK_MONOTONIC_PRECISE:
case CLOCK_MONOTONIC_FAST:
/* almost monotonic clocks */
__set_errno (EINVAL); /* per POSIX */
return -1;
break;
default:;
};
/* we could try to provide fallback
via settimeofday for CLOCK_REALTIME
via HP_TIMING for CLOCK_PROCESS_CPUTIME_ID,
CLOCK_THREAD_CPUTIME_ID and related timers
for now just pass it to kernel
*/
return INLINE_SYSCALL (clock_settime, 2, clock_id, tp);
}
strong_alias (__clock_settime, clock_settime)
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