diff options
Diffstat (limited to 'kernel/include/linux/devpts_fs.h')
| -rw-r--r-- | kernel/include/linux/devpts_fs.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/kernel/include/linux/devpts_fs.h b/kernel/include/linux/devpts_fs.h new file mode 100644 index 000000000..251a2090a --- /dev/null +++ b/kernel/include/linux/devpts_fs.h @@ -0,0 +1,49 @@ +/* -*- 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 */ +struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index, + void *priv); +/* get private structure */ +void *devpts_get_priv(struct inode *pts_inode); +/* unlink */ +void devpts_pty_kill(struct inode *inode); + +#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 struct inode *devpts_pty_new(struct inode *ptmx_inode, + dev_t device, int index, void *priv) +{ + return ERR_PTR(-EINVAL); +} +static inline void *devpts_get_priv(struct inode *pts_inode) +{ + return NULL; +} +static inline void devpts_pty_kill(struct inode *inode) { } + +#endif + + +#endif /* _LINUX_DEVPTS_FS_H */ |