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/* Copyright (C) 1991-2016 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)
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