pty: initial implementation

kernel-src/include/kernel/pty.h

@@ -0,0 +1,21 @@
+#ifndef _PTY_H
+#define _PTY_H
+
+#include <kernel/tty.h>
+#include <spinlock.h>
+#include <ringbuffer.h>
+#include <kernel/poll.h>
+
+typedef struct {
+	bool hangup;
+	tty_t *tty;
+	int minor;
+	vnode_t *mastervnode;
+	ringbuffer_t ringbuffer;
+	pollheader_t pollheader;
+	spinlock_t lock;
+} pty_t;
+
+void pty_init();
+
+#endif