X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=schedule.h;h=035ee78caadcedfc3119939a8f29028c5e269de7;hp=8267feec9df32f2b26ae1c32a81d3a36f0affb8f;hb=65a79092518f7818c93238caa9ebfdab3f36cda8;hpb=810306cb85accaaace9a50f174264f105991230b diff --git a/schedule.h b/schedule.h index 8267feec..035ee78c 100644 --- a/schedule.h +++ b/schedule.h @@ -1,3 +1,7 @@ +/** @file schedule.h + * @brief Thread scheduler. + */ + #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ @@ -6,17 +10,44 @@ /* 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(); - MEMALLOC + 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_array() const { return enabled; }; + void remove_sleep(Thread *t); + void add_sleep(Thread *t); + enabled_type_t get_enabled(const Thread *t) const; + void update_sleep_set(Node *n); + bool is_enabled(const Thread *t) const; + bool is_enabled(thread_id_t tid) const; + bool is_sleep_set(const Thread *t) const; + + 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; };