| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* -*- linux-c -*- --------------------------------------------------------- * |
| * |
| * linux/include/linux/devpts_fs.h |
| * |
| * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved |
| * |
| * ------------------------------------------------------------------------- */ |
| |
| #ifndef _LINUX_DEVPTS_FS_H |
| #define _LINUX_DEVPTS_FS_H |
| |
| #include <linux/errno.h> |
| |
| #ifdef CONFIG_UNIX98_PTYS |
| |
| struct pts_fs_info; |
| |
| struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *); |
| struct pts_fs_info *devpts_acquire(struct file *); |
| void devpts_release(struct pts_fs_info *); |
| |
| int devpts_new_index(struct pts_fs_info *); |
| void devpts_kill_index(struct pts_fs_info *, int); |
| |
| /* mknod in devpts */ |
| struct dentry *devpts_pty_new(struct pts_fs_info *, int, void *); |
| /* get private structure */ |
| void *devpts_get_priv(struct dentry *); |
| /* unlink */ |
| void devpts_pty_kill(struct dentry *); |
| |
| /* in pty.c */ |
| int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags); |
| |
| #else |
| static inline int |
| ptm_open_peer(struct file *master, struct tty_struct *tty, int flags) |
| { |
| return -EIO; |
| } |
| #endif |
| |
| |
| #endif /* _LINUX_DEVPTS_FS_H */ |