/* Internal definitions for posix_spawn functionality.

   Copyright (C) 2000-2018 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

   <http://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

  } 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;

  } 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 */