devpts_fs.h
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上传日期:2009-04-28
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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_pty_new(struct tty_struct *tty); /* mknod in devpts */
- struct tty_struct *devpts_get_tty(int number); /* get tty structure */
- void devpts_pty_kill(int number); /* unlink */
- #else
- /* Dummy stubs in the no-pty case */
- static inline int devpts_pty_new(struct tty_struct *tty) { return -EINVAL; }
- static inline struct tty_struct *devpts_get_tty(int number) { return NULL; }
- static inline void devpts_pty_kill(int number) { }
- #endif
- #endif /* _LINUX_DEVPTS_FS_H */