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- /* -*- linux-c -*- --------------------------------------------------------- *
- *
- * linux/include/linux/devpts_fs.h
- *
- * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved
- *
- * This file is part of the Linux kernel and is made available under
- * the terms of the GNU General Public License, version 2, or at your
- * option, any later version, incorporated herein by reference.
- *
- * ------------------------------------------------------------------------- */
-
- #ifndef _LINUX_DEVPTS_FS_H
- #define _LINUX_DEVPTS_FS_H
-
- #include <linux/errno.h>
-
- #ifdef CONFIG_UNIX98_PTYS
-
- int devpts_new_index(struct inode *ptmx_inode);
- void devpts_kill_index(struct inode *ptmx_inode, int idx);
- /* mknod in devpts */
- int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty);
- /* get tty structure */
- struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number);
- /* unlink */
- void devpts_pty_kill(struct tty_struct *tty);
-
- #else
-
- /* Dummy stubs in the no-pty case */
- static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; }
- static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { }
- static inline int devpts_pty_new(struct inode *ptmx_inode,
- struct tty_struct *tty)
- {
- return -EINVAL;
- }
- static inline struct tty_struct *devpts_get_tty(struct inode *pts_inode,
- int number)
- {
- return NULL;
- }
- static inline void devpts_pty_kill(struct tty_struct *tty) { }
-
- #endif
-
-
- #endif /* _LINUX_DEVPTS_FS_H */
-