X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=schedule.h;h=98aef1a7514299cce1a3be93e0b0c3a043ef7b11;hp=86e4e40da18c5bc41bfd3908d76b4c48dc80b20b;hb=4159ba45e83f6542e3a3320e83bca9fbaf2da3ea;hpb=5e2338d51de26e3ea875587f62b095c5d0111ae2 diff --git a/schedule.h b/schedule.h index 86e4e40d..98aef1a7 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 "mymemory.h" + +/* Forward declaration */ +class Thread; +class Node; -#include "threads.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: + Scheduler(); void add_thread(Thread *t); - Thread * next_thread(void); - Thread * get_current_thread(void); - void print(); + 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_array() { 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; + bool is_enabled(thread_id_t tid) 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; };