1 /* Add a closefrom to a file action list for posix_spawn.
2 Copyright (C) 2021-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
22 #include <spawn_int.h>
25 __posix_spawn_file_actions_addclosefrom (posix_spawn_file_actions_t
26 *file_actions
, int from
)
28 #if __SPAWN_SUPPORT_CLOSEFROM
29 struct __spawn_action
*rec
;
31 if (!__spawn_valid_fd (from
))
34 /* Allocate more memory if needed. */
35 if (file_actions
->__used
== file_actions
->__allocated
36 && __posix_spawn_file_actions_realloc (file_actions
) != 0)
37 /* This can only mean we ran out of memory. */
40 /* Add the new value. */
41 rec
= &file_actions
->__actions
[file_actions
->__used
];
42 rec
->tag
= spawn_do_closefrom
;
43 rec
->action
.closefrom_action
.from
= from
;
45 /* Account for the new entry. */
46 ++file_actions
->__used
;
53 weak_alias (__posix_spawn_file_actions_addclosefrom
,
54 posix_spawn_file_actions_addclosefrom_np
)
55 #if !__SPAWN_SUPPORT_CLOSEFROM
56 stub_warning (posix_spawn_file_actions_addclosefrom_np
)