create enumeration for enabled information...switch from bools to the enumeration

[model-checker.git] / schedule.h

diff --git a/schedule.h b/schedule.h
index bdccf1185e07d69e3b84fae13146ee9b6cae5bf0..18936b612dacbed81e91a949d164e990b5f964b5 100644 (file)
--- a/schedule.h
+++ b/schedule.h
@@ -1,18 +1,45 @@
+/** @file schedule.h
+ *     @brief Thread scheduler.
+ */
+
 #ifndef __SCHEDULE_H__
 #define __SCHEDULE_H__
 
-#include <queue>
+#include <list>
+#include "mymemory.h"
+
+/* Forward declaration */
+class Thread;
 
-#include "threads_internal.h"
-#include "model.h"
+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);
-       Thread * next_thread(void);
-       Thread * get_current_thread(void);
+       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;
+       enabled_type_t * get_enabled() { return is_enabled; };
+
+       SNAPSHOTALLOC
 private:
-       std::queue<Thread *> queue;
+       /** The list of available Threads that are not currently running */
+       enabled_type_t * is_enabled;
+       int enabled_len;
+       int curr_thread_index;
+       void set_enabled(Thread *t, enabled_type_t enabled_status);
+
+       /** The currently-running Thread */
        Thread *current;
 };