Commit | Line | Data |
---|---|---|
d6910058 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* -*- linux-c -*- --------------------------------------------------------- * |
3 | * | |
4 | * linux/include/linux/devpts_fs.h | |
5 | * | |
6 | * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved | |
7 | * | |
1da177e4 LT |
8 | * ------------------------------------------------------------------------- */ |
9 | ||
10 | #ifndef _LINUX_DEVPTS_FS_H | |
11 | #define _LINUX_DEVPTS_FS_H | |
12 | ||
13 | #include <linux/errno.h> | |
14 | ||
15 | #ifdef CONFIG_UNIX98_PTYS | |
16 | ||
eedf265a EB |
17 | struct pts_fs_info; |
18 | ||
311fc65c | 19 | struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *); |
143c97cc | 20 | struct pts_fs_info *devpts_acquire(struct file *); |
eedf265a | 21 | void devpts_release(struct pts_fs_info *); |
67245ff3 LT |
22 | |
23 | int devpts_new_index(struct pts_fs_info *); | |
24 | void devpts_kill_index(struct pts_fs_info *, int); | |
25 | ||
15f1a633 | 26 | /* mknod in devpts */ |
8ead9dd5 | 27 | struct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); |
8fcbaa2b | 28 | /* get private structure */ |
8ead9dd5 | 29 | void *devpts_get_priv(struct dentry *); |
15f1a633 | 30 | /* unlink */ |
8ead9dd5 | 31 | void devpts_pty_kill(struct dentry *); |
1da177e4 | 32 | |
311fc65c EB |
33 | /* in pty.c */ |
34 | int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags); | |
35 | ||
36 | #else | |
37 | static inline int | |
38 | ptm_open_peer(struct file *master, struct tty_struct *tty, int flags) | |
39 | { | |
40 | return -EIO; | |
41 | } | |
1da177e4 LT |
42 | #endif |
43 | ||
44 | ||
45 | #endif /* _LINUX_DEVPTS_FS_H */ |