1/* Internal definitions for posix_spawn functionality.
2 Copyright (C) 2000-2018 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 <http://www.gnu.org/licenses/>. */
18
19#ifndef _SPAWN_INT_H
20#define _SPAWN_INT_H
21
22#include <spawn.h>
23#include <stdbool.h>
24
25/* Data structure to contain the action information. */
26struct __spawn_action
27{
28 enum
29 {
30 spawn_do_close,
31 spawn_do_dup2,
32 spawn_do_open
33 } tag;
34
35 union
36 {
37 struct
38 {
39 int fd;
40 } close_action;
41 struct
42 {
43 int fd;
44 int newfd;
45 } dup2_action;
46 struct
47 {
48 int fd;
49 char *path;
50 int oflag;
51 mode_t mode;
52 } open_action;
53 } action;
54};
55
56#define SPAWN_XFLAGS_USE_PATH 0x1
57#define SPAWN_XFLAGS_TRY_SHELL 0x2
58
59extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
60 file_actions)
61 attribute_hidden;
62
63extern int __spawni (pid_t *pid, const char *path,
64 const posix_spawn_file_actions_t *file_actions,
65 const posix_spawnattr_t *attrp, char *const argv[],
66 char *const envp[], int xflags) attribute_hidden;
67
68/* Return true if FD falls into the range valid for file descriptors.
69 The check in this form is mandated by POSIX. */
70bool __spawn_valid_fd (int fd) attribute_hidden;
71
72#endif /* _SPAWN_INT_H */
73