1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* -*- linux-c -*- --------------------------------------------------------- * |
3 | * |
4 | * linux/include/linux/devpts_fs.h |
5 | * |
6 | * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved |
7 | * |
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 | |
17 | struct pts_fs_info; |
18 | |
19 | struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *); |
20 | struct pts_fs_info *devpts_acquire(struct file *); |
21 | void devpts_release(struct pts_fs_info *); |
22 | |
23 | int devpts_new_index(struct pts_fs_info *); |
24 | void devpts_kill_index(struct pts_fs_info *, int); |
25 | |
26 | /* mknod in devpts */ |
27 | struct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); |
28 | /* get private structure */ |
29 | void *devpts_get_priv(struct dentry *); |
30 | /* unlink */ |
31 | void devpts_pty_kill(struct dentry *); |
32 | |
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 | } |
42 | #endif |
43 | |
44 | |
45 | #endif /* _LINUX_DEVPTS_FS_H */ |
46 | |