diff --git a/src/sys/include/ubixos/spinlock.h b/src/sys/include/ubixos/spinlock.h
new file mode 100755
index 0000000..83e9861
--- /dev/null
+++ b/src/sys/include/ubixos/spinlock.h
@@ -0,0 +1,29 @@
+#ifndef _SPINLOCK_H
+
+#define _SPINLOCK_H
+
+typedef struct 
+{
+	int ticket[16]; // allow up to 16 CPUs.
+	int choiceInProgress[16];
+	
+	int deleteInProgress;
+	
+} spinlock_t;
+
+enum spinlock_returns 
+{ 
+	SPINLOCK_SUCCESS, 
+	SPINLOCK_FAIL_DELETING
+}
+
+spinlock_t * spinlockCreate();
+void spinlockDelete(spinlock_t *);
+
+int spinlockLock(spinlock_t *, int);
+int spinlockUnlock(spinlock_t *, int);
+
+#endif
+
+
+