X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=schedule.h;h=c8555b6916d9f9badc8f69d14618ec73de8ffeae;hp=7875e0b6e24147c5e526b58ace7a580bc53c79c3;hb=2daff868a7ef4f6235c2776b746cec9947a87b13;hpb=3e6579acd2456b1a7e0fc0aaa7e2e9b5bdb78a27 diff --git a/schedule.h b/schedule.h index 7875e0b..c8555b6 100644 --- a/schedule.h +++ b/schedule.h @@ -5,11 +5,18 @@ #ifndef __SCHEDULE_H__ #define __SCHEDULE_H__ -#include #include "mymemory.h" +#include "modeltypes.h" /* Forward declaration */ class Thread; +class Node; + +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. */ @@ -18,17 +25,30 @@ public: Scheduler(); 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(); + 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: /** 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;