/* Forward declaration */
class Thread;
+class Node;
+
+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. */
Scheduler();
void add_thread(Thread *t);
void remove_thread(Thread *t);
- Thread * next_thread();
+ void sleep(Thread *t);
+ void wake(Thread *t);
+ Thread * next_thread(Thread *t);
Thread * get_current_thread() const;
- void print();
+ 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;
SNAPSHOTALLOC
private:
/** The list of available Threads that are not currently running */
- std::list<Thread *> readyList;
+ enabled_type_t *enabled;
+ int enabled_len;
+ int curr_thread_index;
+ void set_enabled(Thread *t, enabled_type_t enabled_status);
/** The currently-running Thread */
Thread *current;