Fix snapshot code

[model-checker.git] / schedule.h

diff --git a/schedule.h b/schedule.h
index 8267feec9df32f2b26ae1c32a81d3a36f0affb8f..9b16a7a968f7dcd5f52be8e936467efec29b0c48 100644 (file)
--- a/schedule.h
+++ b/schedule.h
@@ -1,22 +1,62 @@
+/** @file schedule.h
+ *     @brief Thread scheduler.
+ */
+
 #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);
-       Thread * next_thread(void);
-       Thread * get_current_thread(void);
-       void print();
-  MEMALLOC
+       void sleep(Thread *t);
+       void wake(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:
-       std::list<Thread *, MyAlloc< Thread * > > readyList;
+       ModelExecution *execution;
+       /** 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;
 };