/* Implementation of the BSD usleep function using nanosleep.

   Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.

   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 <unistd.h>

int

usleep (useconds_t useconds)

{

  struct timespec ts = { .tv_sec = (long int) (useconds / 1000000),

			 .tv_nsec = (long int) (useconds % 1000000) * 1000ul };

  /* Note the usleep() is a cancellation point.  But since we call

     nanosleep() which itself is a cancellation point we do not have

     to do anything here.  */

  return __nanosleep (&ts, NULL);

}