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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 | ||
15f1a633 SB |
20 | int devpts_new_index(struct inode *ptmx_inode); |
21 | void devpts_kill_index(struct inode *ptmx_inode, int idx); | |
22 | /* mknod in devpts */ | |
23 | int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty); | |
24 | /* get tty structure */ | |
25 | struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number); | |
26 | /* unlink */ | |
27 | void devpts_pty_kill(struct tty_struct *tty); | |
1da177e4 LT |
28 | |
29 | #else | |
30 | ||
31 | /* Dummy stubs in the no-pty case */ | |
15f1a633 SB |
32 | static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; } |
33 | static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { } | |
34 | static inline int devpts_pty_new(struct inode *ptmx_inode, | |
35 | struct tty_struct *tty) | |
36 | { | |
37 | return -EINVAL; | |
38 | } | |
39 | static inline struct tty_struct *devpts_get_tty(struct inode *pts_inode, | |
40 | int number) | |
41 | { | |
42 | return NULL; | |
43 | } | |
44 | static inline void devpts_pty_kill(struct tty_struct *tty) { } | |
1da177e4 LT |
45 | |
46 | #endif | |
47 | ||
48 | ||
49 | #endif /* _LINUX_DEVPTS_FS_H */ |