From: Brian Norris <banorris@uci.edu>
Date: Tue, 20 Nov 2012 04:51:04 +0000 (-0800)
Subject: model: add const
X-Git-Tag: oopsla2013~493
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e13a7703ecf62b58bf9b3e138739ba53c6b53616;p=model-checker.git

model: add const
---

diff --git a/model.cc b/model.cc
index 700f25c..8d8c187 100644
--- a/model.cc
+++ b/model.cc
@@ -172,7 +172,7 @@ unsigned int ModelChecker::get_num_threads() const
 }
 
 /** @return The currently executing Thread. */
-Thread * ModelChecker::get_current_thread()
+Thread * ModelChecker::get_current_thread() const
 {
 	return scheduler->get_current_thread();
 }
@@ -183,7 +183,8 @@ modelclock_t ModelChecker::get_next_seq_num()
 	return ++priv->used_sequence_numbers;
 }
 
-Node * ModelChecker::get_curr_node() {
+Node * ModelChecker::get_curr_node() const
+{
 	return node_stack->get_head();
 }
 
@@ -2016,7 +2017,7 @@ ModelAction * ModelChecker::get_last_unlock(ModelAction *curr) const
 	return NULL;
 }
 
-ModelAction * ModelChecker::get_parent_action(thread_id_t tid)
+ModelAction * ModelChecker::get_parent_action(thread_id_t tid) const
 {
 	ModelAction *parent = get_last_action(tid);
 	if (!parent)
@@ -2029,7 +2030,7 @@ ModelAction * ModelChecker::get_parent_action(thread_id_t tid)
  * @param tid The thread whose clock vector we want
  * @return Desired clock vector
  */
-ClockVector * ModelChecker::get_cv(thread_id_t tid)
+ClockVector * ModelChecker::get_cv(thread_id_t tid) const
 {
 	return get_parent_action(tid)->get_cv();
 }
diff --git a/model.h b/model.h
index 74866c6..8091774 100644
--- a/model.h
+++ b/model.h
@@ -111,11 +111,11 @@ public:
 
 	thread_id_t get_next_id();
 	unsigned int get_num_threads() const;
-	Thread * get_current_thread();
+	Thread * get_current_thread() const;
 
 	int switch_to_master(ModelAction *act);
-	ClockVector * get_cv(thread_id_t tid);
-	ModelAction * get_parent_action(thread_id_t tid);
+	ClockVector * get_cv(thread_id_t tid) const;
+	ModelAction * get_parent_action(thread_id_t tid) const;
 	void check_promises_thread_disabled();
 	void mo_check_promises(thread_id_t tid, const ModelAction *write);
 	void check_promises(thread_id_t tid, ClockVector *old_cv, ClockVector * merge_cv);
@@ -128,7 +128,7 @@ public:
 	void set_bad_synchronization();
 
 	const model_params params;
-	Node * get_curr_node();
+	Node * get_curr_node() const;
 
 	MEMALLOC
 private: