mirror of https://gitee.com/openkylin/linux.git
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/* -*- 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_pty_new(struct tty_struct *tty); /* mknod in devpts */
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struct tty_struct *devpts_get_tty(int number); /* get tty structure */
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void devpts_pty_kill(int number); /* unlink */
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#else
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/* Dummy stubs in the no-pty case */
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static inline int devpts_pty_new(struct tty_struct *tty) { return -EINVAL; }
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static inline struct tty_struct *devpts_get_tty(int number) { return NULL; }
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static inline void devpts_pty_kill(int number) { }
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#endif
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#endif /* _LINUX_DEVPTS_FS_H */
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