X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.h;h=fb4d082adc2dbe220baf49d8347fc70fe6c0d560;hb=85683f798e0955c43cf6cd8099713c45d9ce882b;hp=eb0f68c74be5cdf101fca6f6c6166680c6f21d90;hpb=d01b0c8539b62df07138301856f8202b12247179;p=model-checker.git

diff --git a/schedule.h b/schedule.h
index eb0f68c..fb4d082 100644
--- a/schedule.h
+++ b/schedule.h
@@ -1,21 +1,40 @@
+/** @file schedule.h
+ *	@brief Thread scheduler.
+ */
+
 #ifndef __SCHEDULE_H__
 #define __SCHEDULE_H__
 
-#include "libthreads.h"
-#include "model.h"
+#include <list>
+#include "mymemory.h"
+
+/* Forward declaration */
+class Thread;
 
+/** @brief The Scheduler class performs the mechanics of Thread execution
+ * scheduling. */
 class Scheduler {
 public:
-	virtual void add_thread(struct thread *t) = 0;
-	virtual struct thread * next_thread(void) = 0;
-	virtual struct thread * get_current_thread(void) = 0;
-};
+	Scheduler();
+	void add_thread(Thread *t);
+	void remove_thread(Thread *t);
+	void sleep(Thread *t);
+	void wake(Thread *t);
+	Thread * next_thread(Thread *t);
+	Thread * get_current_thread() const;
+	void print() const;
+	bool * get_enabled() { return is_enabled; };
 
-class DefaultScheduler: public Scheduler {
-public:
-	void add_thread(struct thread *t);
-	struct thread * next_thread(void);
-	struct thread * get_current_thread(void);
+	SNAPSHOTALLOC
+private:
+	/** The list of available Threads that are not currently running */
+	bool * is_enabled;
+	int enabled_len;
+	int curr_thread_index;
+	void set_enabled(Thread *t, bool enabled_status);
+
+	/** The currently-running Thread */
+	Thread *current;
 };
 
 #endif /* __SCHEDULE_H__ */