1 /* -*- linux-c -*- --------------------------------------------------------- *
3 * linux/include/linux/devpts_fs.h
5 * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved
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.
11 * ------------------------------------------------------------------------- */
13 #ifndef _LINUX_DEVPTS_FS_H
14 #define _LINUX_DEVPTS_FS_H
16 #include <linux/errno.h>
18 #ifdef CONFIG_UNIX98_PTYS
20 int devpts_new_index(void);
21 void devpts_kill_index(int idx);
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 */
28 /* Dummy stubs in the no-pty case */
29 static inline int devpts_new_index(void) { return -EINVAL; }
30 static inline void devpts_kill_index(int idx) { }
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) { }
38 #endif /* _LINUX_DEVPTS_FS_H */