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1da177e4 LT |
1 | /* -*- linux-c -*- --------------------------------------------------------- * |
2 | * | |
3 | * linux/include/linux/devpts_fs.h | |
4 | * | |
5 | * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved | |
6 | * | |
7 | * This file is part of the Linux kernel and is made available under | |
8 | * the terms of the GNU General Public License, version 2, or at your | |
9 | * option, any later version, incorporated herein by reference. | |
10 | * | |
11 | * ------------------------------------------------------------------------- */ | |
12 | ||
13 | #ifndef _LINUX_DEVPTS_FS_H | |
14 | #define _LINUX_DEVPTS_FS_H | |
15 | ||
16 | #include <linux/errno.h> | |
17 | ||
18 | #ifdef CONFIG_UNIX98_PTYS | |
19 | ||
eedf265a EB |
20 | struct pts_fs_info; |
21 | ||
311fc65c | 22 | struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *); |
143c97cc | 23 | struct pts_fs_info *devpts_acquire(struct file *); |
eedf265a | 24 | void devpts_release(struct pts_fs_info *); |
67245ff3 LT |
25 | |
26 | int devpts_new_index(struct pts_fs_info *); | |
27 | void devpts_kill_index(struct pts_fs_info *, int); | |
28 | ||
15f1a633 | 29 | /* mknod in devpts */ |
8ead9dd5 | 30 | struct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); |
8fcbaa2b | 31 | /* get private structure */ |
8ead9dd5 | 32 | void *devpts_get_priv(struct dentry *); |
15f1a633 | 33 | /* unlink */ |
8ead9dd5 | 34 | void devpts_pty_kill(struct dentry *); |
1da177e4 | 35 | |
311fc65c EB |
36 | /* in pty.c */ |
37 | int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags); | |
38 | ||
39 | #else | |
40 | static inline int | |
41 | ptm_open_peer(struct file *master, struct tty_struct *tty, int flags) | |
42 | { | |
43 | return -EIO; | |
44 | } | |
1da177e4 LT |
45 | #endif |
46 | ||
47 | ||
48 | #endif /* _LINUX_DEVPTS_FS_H */ |