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/* Internal definitions for posix_spawn functionality.
Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _SPAWN_INT_H
#define _SPAWN_INT_H
#include <spawn.h>
#include <stdbool.h>
/* Data structure to contain the action information. */
struct __spawn_action
{
enum
{
spawn_do_close,
spawn_do_dup2,
spawn_do_open,
spawn_do_chdir,
spawn_do_fchdir,
} tag;
union
{
struct
{
int fd;
} close_action;
struct
{
int fd;
int newfd;
} dup2_action;
struct
{
int fd;
char *path;
int oflag;
mode_t mode;
} open_action;
struct
{
char *path;
} chdir_action;
struct
{
int fd;
} fchdir_action;
} action;
};
#define SPAWN_XFLAGS_USE_PATH 0x1
#define SPAWN_XFLAGS_TRY_SHELL 0x2
extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
file_actions)
attribute_hidden;
extern int __spawni (pid_t *pid, const char *path,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp, char *const argv[],
char *const envp[], int xflags) attribute_hidden;
/* Return true if FD falls into the range valid for file descriptors.
The check in this form is mandated by POSIX. */
bool __spawn_valid_fd (int fd) attribute_hidden;
#endif /* _SPAWN_INT_H */
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