X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=schedule.h;h=72670590dac3151bc9509ca2b5d60f2fe665c210;hb=a4090d03cc1a5f5bca8f10986d74b76a9bb45371;hp=c99748c730a4812a303eecf2d30cfc0876a17bd5;hpb=10df540dad6ba429731920c5e36638a3ac557eab;p=c11tester.git diff --git a/schedule.h b/schedule.h index c99748c7..72670590 100644 --- a/schedule.h +++ b/schedule.h @@ -1,3 +1,7 @@ +/** @file schedule.h + * @brief Thread scheduler. + */ + #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ @@ -6,19 +10,42 @@ /* 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. */ class Scheduler { public: Scheduler(); void add_thread(Thread *t); void remove_thread(Thread *t); - Thread * next_thread(void); - Thread * get_current_thread(void); - void print(); + 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; - MEMALLOC + SNAPSHOTALLOC private: - std::list > readyList; + /** The list of available Threads that are not currently running */ + 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; };