X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.h;h=72670590dac3151bc9509ca2b5d60f2fe665c210;hb=5d87d23f622d396fd2e1c94d61f901429c5f35ac;hp=83416008eb01f2e0dba5e3886e49fdda52e68846;hpb=3e3ba08b7f8483430946ac7db0cc3bdbaa6f8a90;p=c11tester.git diff --git a/schedule.h b/schedule.h index 83416008..72670590 100644 --- a/schedule.h +++ b/schedule.h @@ -1,19 +1,52 @@ +/** @file schedule.h + * @brief Thread scheduler. + */ + #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include +#include +#include "mymemory.h" + +/* Forward declaration */ +class Thread; +class Node; -#include "libthreads.h" -#include "model.h" +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: - void add_thread(struct thread *t); - struct thread * next_thread(void); - struct thread * get_current_thread(void); + Scheduler(); + void add_thread(Thread *t); + void remove_thread(Thread *t); + 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; + + SNAPSHOTALLOC private: - std::queue queue; - struct thread *current; + /** 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__ */