lib/spawn_int.h

   1 /* Copyright (C) 2000, 2008-2019 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 <https://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     spawn_do_chdir
  28   } tag;
  29
  30   union
  31   {
  32     struct
  33     {
  34       int fd;
  35     } close_action;
  36     struct
  37     {
  38       int fd;
  39       int newfd;
  40     } dup2_action;
  41     struct
  42     {
  43       int fd;
  44       const char *path;
  45       int oflag;
  46       mode_t mode;
  47     } open_action;
  48     struct
  49     {
  50       const char *path;
  51     } chdir_action;
  52   } action;
  53 };
  54
  55 #if !_LIBC
  56 # define __posix_spawn_file_actions_realloc gl_posix_spawn_file_actions_realloc
  57 #endif
  58 extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
  59                                                file_actions);
  60
  61 #if !_LIBC
  62 # define __spawni gl_posix_spawn_internal
  63 #endif
  64 extern int __spawni (pid_t *pid, const char *path,
  65                      const posix_spawn_file_actions_t *file_actions,
  66                      const posix_spawnattr_t *attrp, char *const argv[],
  67                      char *const envp[], int use_path);