[net-next-2.6.git] / include / linux / devpts_fs.h

/* -*- 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 */
Commit	Line	Data
1da177e4 LT	1	/* -- linux-c -- --------------------------------------------------------- *
	2	*
	3	* linux/include/linux/devpts_fs.h
	4	*
	5	* Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved
	6	*
	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.
	10	*
	11	* ------------------------------------------------------------------------- */
	12
	13	#ifndef _LINUX_DEVPTS_FS_H
	14	#define _LINUX_DEVPTS_FS_H
	15
	16	#include <linux/errno.h>
	17
	18	#ifdef CONFIG_UNIX98_PTYS
	19
15f1a633 SB	20	int devpts_new_index(struct inode *ptmx_inode);
	21	void devpts_kill_index(struct inode *ptmx_inode, int idx);
	22	/* mknod in devpts */
	23	int devpts_pty_new(struct inode ptmx_inode, struct tty_struct tty);
	24	/* get tty structure */
	25	struct tty_struct devpts_get_tty(struct inode pts_inode, int number);
	26	/* unlink */
	27	void devpts_pty_kill(struct tty_struct *tty);
1da177e4 LT	28
	29	#else
	30
	31	/* Dummy stubs in the no-pty case */
15f1a633 SB	32	static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; }
	33	static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { }
	34	static inline int devpts_pty_new(struct inode *ptmx_inode,
	35	struct tty_struct *tty)
	36	{
	37	return -EINVAL;
	38	}
	39	static inline struct tty_struct devpts_get_tty(struct inode pts_inode,
	40	int number)
	41	{
	42	return NULL;
	43	}
	44	static inline void devpts_pty_kill(struct tty_struct *tty) { }
1da177e4 LT	45
	46	#endif
	47
	48
	49	#endif /* _LINUX_DEVPTS_FS_H */