X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=schedule.cc;h=d344fb1acdcf858db73d098b7341a8dae930125f;hb=6357baf85edec072a52c7ea18e9fdb087765f9cb;hp=691c6f43088595300ac198783328d4b102c8b0f4;hpb=517d8ce6cc880bb523ee55005afdcad1ec551e64;p=model-checker.git

diff --git a/schedule.cc b/schedule.cc
index 691c6f4..d344fb1 100644
--- a/schedule.cc
+++ b/schedule.cc
@@ -6,21 +6,43 @@
 void Scheduler::add_thread(Thread *t)
 {
 	DEBUG("thread %d\n", t->get_id());
-	queue.push(t);
+	readyList.push_back(t);
 }
 
 Thread *Scheduler::next_thread(void)
 {
-	if (queue.empty())
-		return NULL;
+	Thread *t = model->schedule_next_thread();
 
-	current = queue.front();
-	queue.pop();
+	if (t != NULL) {
+		current = t;
+		readyList.remove(t);
+	} else if (readyList.empty()) {
+		t = NULL;
+	} else {
+		t = readyList.front();
+		current = t;
+		readyList.pop_front();
+	}
 
-	return current;
+	print();
+
+	return t;
 }
 
 Thread *Scheduler::get_current_thread(void)
 {
 	return current;
 }
+
+void Scheduler::print()
+{
+	if (current)
+		printf("Current thread: %d\n", current->get_id());
+	else
+		printf("No current thread\n");
+	printf("# Threads in ready list: %ld\n", readyList.size());
+
+	std::list<Thread *>::iterator it;
+	for (it = readyList.begin(); it != readyList.end(); it++)
+		printf("In ready list: thread %d\n", (*it)->get_id());
+}