1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
new file mode 100644
index 00000000..5ce0e5fd
--- /dev/null
+++ b/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 */
+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 */