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478b92f0 UD |
1 | /* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
28f540f4 | 3 | |
478b92f0 UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
28f540f4 | 8 | |
478b92f0 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
478b92f0 UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <sys/wait.h> | |
21 | #include <sys/types.h> | |
22 | ||
23 | /* Wait for a child to exit. When one does, put its status in *STAT_LOC and | |
24 | return its process ID. For errors return (pid_t) -1. If USAGE is not nil, | |
25 | store information about the child's resource usage (as a `struct rusage') | |
26 | there. If the WUNTRACED bit is set in OPTIONS, return status for stopped | |
27 | children; otherwise don't. */ | |
28 | pid_t | |
c4029823 UD |
29 | __wait3 (stat_loc, options, usage) |
30 | __WAIT_STATUS_DEFN stat_loc; | |
31 | int options; | |
32 | struct rusage *usage; | |
28f540f4 RM |
33 | { |
34 | if ((options & ~(WNOHANG|WUNTRACED)) != 0) | |
35 | { | |
c4029823 | 36 | __set_errno (EINVAL); |
28f540f4 RM |
37 | return (pid_t) -1; |
38 | } | |
39 | ||
c4029823 | 40 | __set_errno (ENOSYS); |
28f540f4 RM |
41 | return (pid_t) -1; |
42 | } | |
43 | stub_warning (wait3) | |
44 | ||
45 | weak_alias (__wait3, wait3) | |
f2ea0f5b | 46 | #include <stub-tag.h> |