X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.h;h=121da08db05a3d0d735c4ca34926006b364c85cb;hb=dc9c89654982c64264dfee7b1ea23e9a5e88e18e;hp=555cbc4ad027896337a0910969089103d875956f;hpb=be86dd6ef8bd6194f13b0babaa03fd45d39ff767;p=model-checker.git

diff --git a/schedule.h b/schedule.h
index 555cbc4..121da08 100644
--- a/schedule.h
+++ b/schedule.h
@@ -1,20 +1,54 @@
+/** @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;
+
+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);
 	void remove_thread(Thread *t);
-	Thread * next_thread(void);
-	Thread * get_current_thread(void);
-	void print();
+	void sleep(Thread *t);
+	void wake(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;
+
+	SNAPSHOTALLOC
 private:
-	std::list<Thread *> 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;
 };