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