Initial import

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 000000000..251a2090a
--- /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 */
+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 */