| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 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 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <errno.h> |
| 19 | #include <sys/wait.h> |
| 20 | #include <sys/types.h> |
| 21 | |
| 22 | /* Wait for a child to exit. When one does, put its status in *STAT_LOC and |
| 23 | return its process ID. For errors return (pid_t) -1. If USAGE is not nil, |
| 24 | store information about the child's resource usage (as a `struct rusage') |
| 25 | there. If the WUNTRACED bit is set in OPTIONS, return status for stopped |
| 26 | children; otherwise don't. */ |
| 27 | pid_t |
| 28 | __wait3 (__WAIT_STATUS_DEFN stat_loc, int options, struct rusage *usage) |
| 29 | { |
| 30 | if ((options & ~(WNOHANG|WUNTRACED)) != 0) |
| 31 | { |
| 32 | __set_errno (EINVAL); |
| 33 | return (pid_t) -1; |
| 34 | } |
| 35 | |
| 36 | __set_errno (ENOSYS); |
| 37 | return (pid_t) -1; |
| 38 | } |
| 39 | stub_warning (wait3) |
| 40 | |
| 41 | weak_alias (__wait3, wait3) |