lib/spawn_int.h

   1 /* Copyright (C) 2000, 2008-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #include <sys/types.h>
  18
  19 /* Data structure to contain the action information.  */
  20 struct __spawn_action
  21 {
  22   enum
  23   {
  24     spawn_do_close,
  25     spawn_do_dup2,
  26     spawn_do_open
  27   } tag;
  28
  29   union
  30   {
  31     struct
  32     {
  33       int fd;
  34     } close_action;
  35     struct
  36     {
  37       int fd;
  38       int newfd;
  39     } dup2_action;
  40     struct
  41     {
  42       int fd;
  43       const char *path;
  44       int oflag;
  45       mode_t mode;
  46     } open_action;
  47   } action;
  48 };
  49
  50 #if !_LIBC
  51 # define __posix_spawn_file_actions_realloc gl_posix_spawn_file_actions_realloc
  52 #endif
  53 extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
  54                                                file_actions);
  55
  56 #if !_LIBC
  57 # define __spawni gl_posix_spawn_internal
  58 #endif
  59 extern int __spawni (pid_t *pid, const char *path,
  60                      const posix_spawn_file_actions_t *file_actions,
  61                      const posix_spawnattr_t *attrp, char *const argv[],
  62                      char *const envp[], int use_path);