1139826Simp/* SPDX-License-Identifier: GPL-2.0-or-later */ 253541Sshin/* -*- linux-c -*- --------------------------------------------------------- * 353541Sshin * 453541Sshin * linux/include/linux/devpts_fs.h 553541Sshin * 653541Sshin * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved 753541Sshin * 853541Sshin * ------------------------------------------------------------------------- */ 953541Sshin 1053541Sshin#ifndef _LINUX_DEVPTS_FS_H 1153541Sshin#define _LINUX_DEVPTS_FS_H 1253541Sshin 1353541Sshin#include <linux/errno.h> 1453541Sshin 1553541Sshin#ifdef CONFIG_UNIX98_PTYS 1653541Sshin 1753541Sshinstruct pts_fs_info; 1853541Sshin 1953541Sshinstruct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *); 2053541Sshinstruct pts_fs_info *devpts_acquire(struct file *); 2153541Sshinvoid devpts_release(struct pts_fs_info *); 2253541Sshin 2353541Sshinint devpts_new_index(struct pts_fs_info *); 2453541Sshinvoid devpts_kill_index(struct pts_fs_info *, int); 2553541Sshin 2653541Sshin/* mknod in devpts */ 2753541Sshinstruct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); 2853541Sshin/* get private structure */ 29174510Sobrienvoid *devpts_get_priv(struct dentry *); 3053541Sshin/* unlink */ 3153541Sshinvoid devpts_pty_kill(struct dentry *); 3253541Sshin 3353541Sshin/* in pty.c */ 3453541Sshinint ptm_open_peer(struct file *master, struct tty_struct *tty, int flags); 3553541Sshin 3653541Sshin#else 3753541Sshinstatic inline int 3853541Sshinptm_open_peer(struct file *master, struct tty_struct *tty, int flags) 3953541Sshin{ 4053541Sshin return -EIO; 4153541Sshin} 4253541Sshin#endif 4353541Sshin 4453541Sshin 4553541Sshin#endif /* _LINUX_DEVPTS_FS_H */ 4653541Sshin