X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.h;h=9b16a7a968f7dcd5f52be8e936467efec29b0c48;hb=2d0d4ac38e05905a6633b3f2d5112ccadd45c27f;hp=7875e0b6e24147c5e526b58ace7a580bc53c79c3;hpb=3e6579acd2456b1a7e0fc0aaa7e2e9b5bdb78a27;p=model-checker.git diff --git a/schedule.h b/schedule.h index 7875e0b..9b16a7a 100644 --- a/schedule.h +++ b/schedule.h @@ -5,30 +5,56 @@ #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include #include "mymemory.h" +#include "modeltypes.h" /* Forward declaration */ class Thread; +class Node; +class ModelExecution; + +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); - void wait(Thread *wait, Thread *join); void sleep(Thread *t); void wake(Thread *t); - Thread * next_thread(Thread *t); + Thread * select_next_thread(Node *n); + 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: + ModelExecution *execution; /** The list of available Threads that are not currently running */ - std::list readyList; + 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;