+typedef enum enabled_type {
+ THREAD_DISABLED,
+ THREAD_ENABLED,
+ THREAD_SLEEP_SET
+} enabled_type_t;
+
+/** @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;
+ enabled_type_t * get_enabled() { return enabled; };
+ void remove_sleep(Thread *t);
+ void add_sleep(Thread *t);
+ enabled_type_t get_enabled(Thread *t);
+ void update_sleep_set(Node *n);
+ bool is_enabled(Thread *t) const;