X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=schedule.h;h=f9660232a0294360952c05028620317f28a41bf6;hp=28f5b8d0fa864794f54f6b5788aec859412b8b8f;hb=6fe36b2ea5cb9cd9ab58dab7f011b33d2a097e30;hpb=dcd84cc88d70497bdc173c4bb78ce30afe4fb5c5

diff --git a/schedule.h b/schedule.h
index 28f5b8d0..f9660232 100644
--- a/schedule.h
+++ b/schedule.h
@@ -1,19 +1,58 @@
+/** @file schedule.h
+ *	@brief Thread scheduler.
+ */
+
 #ifndef __SCHEDULE_H__
 #define __SCHEDULE_H__
 
-#include "libthreads.h"
-#include "model.h"
+#include "mymemory.h"
+#include "modeltypes.h"
+#include "classlist.h"
 
-struct scheduler {
-	void (*init)(void);
-	void (*exit)(void);
-	void (*add_thread)(struct thread *t);
-	struct thread * (*next_thread)(void);
-	struct thread * (*get_current_thread)(void);
+typedef enum enabled_type {
+	THREAD_DISABLED,
+	THREAD_ENABLED,
+	THREAD_SLEEP_SET
+} enabled_type_t;
 
-	void *priv;
-};
+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 scheduler_init(ModelChecker *mod);
+	void add_thread(Thread *t);
+	void remove_thread(Thread *t);
+	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;
+	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 */
+	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;
+};
 
-#endif /* __SCHEDULE_H__ */
+#endif	/* __SCHEDULE_H__ */