X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=schedule.h;h=c8555b6916d9f9badc8f69d14618ec73de8ffeae;hp=f4965369b2a62be67a124ae29a44b4172c28f0eb;hb=ddb5900f2e0dbde556fd320960f048965cf4f2c2;hpb=c400af2b7dfb87ce64c86f2d2b6a37d02421b263 diff --git a/schedule.h b/schedule.h index f4965369..c8555b69 100644 --- a/schedule.h +++ b/schedule.h @@ -1,24 +1,56 @@ +/** @file schedule.h + * @brief Thread scheduler. + */ + #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include #include "mymemory.h" +#include "modeltypes.h" /* 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 * select_next_thread(); + void set_current_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; + bool all_threads_sleeping() const; + void set_scheduler_thread(thread_id_t tid); 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; };