aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/stub/wait3.c
blob: c1640dde8acd19001a8f8d34d209ce9a7039bbea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/* Copyright (C) 1991, 1993, 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 <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
DEFUN(__wait3, (stat_loc, options, usage),
      __WAIT_STATUS_DEFN stat_loc AND int options AND struct rusage *usage)
{
  if ((options & ~(WNOHANG|WUNTRACED)) != 0)
    {
      errno = EINVAL;
      return (pid_t) -1;
    }

  errno = ENOSYS;
  return (pid_t) -1;
}
stub_warning (wait3)

weak_alias (__wait3, wait3)