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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 | ||
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20 | int devpts_new_index(void); |
21 | void devpts_kill_index(int idx); | |
1da177e4 LT |
22 | int devpts_pty_new(struct tty_struct *tty); /* mknod in devpts */ |
23 | struct tty_struct *devpts_get_tty(int number); /* get tty structure */ | |
24 | void devpts_pty_kill(int number); /* unlink */ | |
25 | ||
26 | #else | |
27 | ||
28 | /* Dummy stubs in the no-pty case */ | |
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29 | static inline int devpts_new_index(void) { return -EINVAL; } |
30 | static inline void devpts_kill_index(int idx) { } | |
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31 | static inline int devpts_pty_new(struct tty_struct *tty) { return -EINVAL; } |
32 | static inline struct tty_struct *devpts_get_tty(int number) { return NULL; } | |
33 | static inline void devpts_pty_kill(int number) { } | |
34 | ||
35 | #endif | |
36 | ||
37 | ||
38 | #endif /* _LINUX_DEVPTS_FS_H */ |