glibc/sysdeps/mach/hurd/wait4.c

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1995-02-18 01:27:10 +00:00
/* Copyright (C) 1993, 1994, 1995 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <hurd.h>
#include <hurd/port.h>
pid_t
__wait4 (pid_t pid, __WAIT_STATUS_DEFN stat_loc,
int options, struct rusage *usage)
{
pid_t dead;
error_t err;
struct rusage ignored;
err = __USEPORT (PROC, __proc_wait (port, pid, options, stat_loc,
usage ?: &ignored, &dead));
return err ? (pid_t) __hurd_fail (err) : dead;
}
weak_alias (__wait4, wait4)