X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=schedule.h;h=3feddd9025915e9275efc1bf4aca389a1a17844f;hp=8e306752da7a1c43d7e10f8fb106473eb6284636;hb=d57536bfa2339bb6b51c8c72a2198425534b8ff6;hpb=3ad29c55c8a1647b1f6d753d08d8838e8a636e1f diff --git a/schedule.h b/schedule.h index 8e306752..3feddd90 100644 --- a/schedule.h +++ b/schedule.h @@ -1,26 +1,47 @@ +/** @file schedule.h + * @brief Thread scheduler. + */ + #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include +#include +#include "mymemory.h" + +/* Forward declaration */ +class Thread; -#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: - virtual void add_thread(struct thread *t) = 0; - virtual struct thread * next_thread(void) = 0; - virtual struct thread * get_current_thread(void) = 0; -}; + 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; }; + bool is_enabled(Thread *t) const; -class DefaultScheduler: public Scheduler { -public: - void add_thread(struct thread *t); - struct thread * next_thread(void); - struct thread * get_current_thread(void); + 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__ */