/* Copyright (C) 1991-2018 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 <sys/wait.h>

#include <sys/types.h>

/* Wait for a child to exit.  When one does, put its status in *STAT_LOC and

   return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,

   store information about the child's resource usage (as a `struct rusage')

   there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped

   children; otherwise don't.  */

pid_t

__wait3 (int *stat_loc, int options, struct rusage *usage)

{

  if ((options & ~(WNOHANG|WUNTRACED)) != 0)

    {

      __set_errno (EINVAL);

      return (pid_t) -1;

    }

  __set_errno (ENOSYS);

  return (pid_t) -1;

}

stub_warning (wait3)

weak_alias (__wait3, wait3)