1 | /* Add tcsetpgrp to the file action list for posix_spawn. |
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2 | Copyright (C) 2022-2023 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <errno.h> |
20 | #include <spawn.h> |
21 | #include <unistd.h> |
22 | #include <spawn_int.h> |
23 | |
24 | int |
25 | __posix_spawn_file_actions_addtcsetpgrp_np (posix_spawn_file_actions_t |
26 | *file_actions, int tcfd) |
27 | { |
28 | struct __spawn_action *rec; |
29 | |
30 | if (!__spawn_valid_fd (tcfd)) |
31 | return EBADF; |
32 | |
33 | /* Allocate more memory if needed. */ |
34 | if (file_actions->__used == file_actions->__allocated |
35 | && __posix_spawn_file_actions_realloc (file_actions) != 0) |
36 | /* This can only mean we ran out of memory. */ |
37 | return ENOMEM; |
38 | |
39 | /* Add the new value. */ |
40 | rec = &file_actions->__actions[file_actions->__used]; |
41 | rec->tag = spawn_do_tcsetpgrp; |
42 | rec->action.setpgrp_action.fd = tcfd; |
43 | |
44 | /* Account for the new entry. */ |
45 | ++file_actions->__used; |
46 | |
47 | return 0; |
48 | } |
49 | weak_alias (__posix_spawn_file_actions_addtcsetpgrp_np, |
50 | posix_spawn_file_actions_addtcsetpgrp_np) |
51 |