+#include <list>
+#include "mymemory.h"
+
+/* Forward declaration */
+class Thread;
+
+/** @brief The Scheduler class performs the mechanics of Thread execution
+ * scheduling. */
+class Scheduler {
+public:
+ Scheduler();
+ void add_thread(Thread *t);
+ void remove_thread(Thread *t);
+ void sleep(Thread *t);
+ void wake(Thread *t);
+ Thread * next_thread(Thread *t);
+ Thread * get_current_thread() const;
+ void print() const;
+ bool * get_enabled() { return is_enabled; };
+
+ SNAPSHOTALLOC
+private:
+ /** The list of available Threads that are not currently running */
+ bool * is_enabled;
+ int enabled_len;
+ int curr_thread_index;
+ void set_enabled(Thread *t, bool enabled_status);