glibc/posix/nanosleep.c

37 lines
1.2 KiB
C

/* Copyright (C) 1996-2022 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <time.h>
/* Pause execution for a number of nanoseconds. */
int
__nanosleep (const struct timespec *requested_time,
struct timespec *remaining)
{
int ret = __clock_nanosleep (CLOCK_REALTIME, 0, requested_time, remaining);
if (ret != 0)
{
__set_errno (ret);
return -1;
}
return 0;
}
libc_hidden_def (__nanosleep)
weak_alias (__nanosleep, nanosleep)