Initial commit

include/lock.h

@@ -0,0 +1,23 @@
+#include <error.h>
+#include <stdatomic.h>
+#include <stdbool.h>
+
+#ifndef SPINLOCK_H
+#define SPINLOCK_H
+
+struct mutex {
+    atomic_flag lock;
+    bool locked;
+    struct thread *holder;
+};
+
+void acquire_spinlock(atomic_flag *lock);
+void free_spinlock(atomic_flag *lock);
+
+struct mutex *init_mutex();
+kstatus acquire_mutex(struct mutex *mut);
+void free_mutex(struct mutex *mut);
+kstatus try_mutex(struct mutex *mut);
+
+
+#endif