X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.h;h=f9660232a0294360952c05028620317f28a41bf6;hb=c4fcfd684e2017658cd69cc491ffd94ff8fe9603;hp=e81ea935cc961b1568a25e095ae0ca4a6c9813bd;hpb=9ab763adc965ca76a8d65b9898d20c60cdb44445;p=c11tester.git diff --git a/schedule.h b/schedule.h index e81ea935..f9660232 100644 --- a/schedule.h +++ b/schedule.h @@ -1,26 +1,58 @@ -/* -*- Mode: C; indent-tabs-mode: t -*- */ +/** @file schedule.h + * @brief Thread scheduler. + */ #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include #include "mymemory.h" +#include "modeltypes.h" +#include "classlist.h" -/* Forward declaration */ -class Thread; +typedef enum enabled_type { + THREAD_DISABLED, + THREAD_ENABLED, + THREAD_SLEEP_SET +} enabled_type_t; +void enabled_type_to_string(enabled_type_t e, char *str); + +/** @brief The Scheduler class performs the mechanics of Thread execution + * scheduling. */ class Scheduler { public: Scheduler(); + void register_engine(ModelExecution *execution); + 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 * 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; + 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; + ModelExecution *execution; + /** 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; }; -#endif /* __SCHEDULE_H__ */ +#endif /* __SCHEDULE_H__ */