83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/* Internal definitions for posix_spawn functionality.
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Copyright (C) 2000-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SPAWN_INT_H
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#define _SPAWN_INT_H
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#include <spawn.h>
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#include <stdbool.h>
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/* Data structure to contain the action information. */
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struct __spawn_action
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{
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enum
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{
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spawn_do_close,
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spawn_do_dup2,
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spawn_do_open,
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spawn_do_chdir,
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spawn_do_fchdir,
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} tag;
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union
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{
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struct
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{
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int fd;
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} close_action;
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struct
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{
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int fd;
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int newfd;
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} dup2_action;
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struct
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{
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int fd;
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char *path;
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int oflag;
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mode_t mode;
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} open_action;
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struct
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{
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char *path;
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} chdir_action;
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struct
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{
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int fd;
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} fchdir_action;
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} action;
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};
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#define SPAWN_XFLAGS_USE_PATH 0x1
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#define SPAWN_XFLAGS_TRY_SHELL 0x2
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extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
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file_actions)
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attribute_hidden;
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extern int __spawni (pid_t *pid, const char *path,
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const posix_spawn_file_actions_t *file_actions,
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const posix_spawnattr_t *attrp, char *const argv[],
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char *const envp[], int xflags) attribute_hidden;
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/* Return true if FD falls into the range valid for file descriptors.
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The check in this form is mandated by POSIX. */
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bool __spawn_valid_fd (int fd) attribute_hidden;
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#endif /* _SPAWN_INT_H */
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