Fix snapshot code
[model-checker.git] / schedule.h
index 664b2d245bea0b05a3f072d9c0eb75146bdfaf0f..9b16a7a968f7dcd5f52be8e936467efec29b0c48 100644 (file)
@@ -5,29 +5,56 @@
 #ifndef __SCHEDULE_H__
 #define __SCHEDULE_H__
 
-#include <list>
 #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<Thread *> 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;