glibc/sysdeps/unix/sysv/linux/nanosleep.c

/* Linux high resolution nanosleep implementation.
   Copyright (C) 2017 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 <time.h>
#include <sysdep-cancel.h>
#include <not-cancel.h>

/* Pause execution for a number of nanoseconds.  */
int
__nanosleep (const struct timespec *requested_time,
	     struct timespec *remaining)
{
  return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
}
hidden_def (__nanosleep)
weak_alias (__nanosleep, nanosleep)

int
__nanosleep_nocancel (const struct timespec *requested_time,
		      struct timespec *remaining)
{
  return INLINE_SYSCALL_CALL (nanosleep, requested_time, remaining);
}
hidden_def (__nanosleep_nocancel)