From: Brian Norris <banorris@uci.edu>
Date: Fri, 6 Jul 2012 23:08:34 +0000 (-0700)
Subject: add more const qualifiers
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=commitdiff_plain;h=1745637aab8a1d85eb605b9ef9e92d4fbb437633

add more const qualifiers
---

diff --git a/action.cc b/action.cc
index 6627714e..68a34aad 100644
--- a/action.cc
+++ b/action.cc
@@ -115,7 +115,7 @@ bool ModelAction::is_synchronizing(const ModelAction *act) const
 	return false;
 }
 
-void ModelAction::create_cv(ModelAction *parent)
+void ModelAction::create_cv(const ModelAction *parent)
 {
 	ASSERT(cv == NULL);
 
@@ -125,7 +125,7 @@ void ModelAction::create_cv(ModelAction *parent)
 		cv = new ClockVector(NULL, this);
 }
 
-void ModelAction::read_from(ModelAction *act)
+void ModelAction::read_from(const ModelAction *act)
 {
 	ASSERT(cv);
 	if (act->is_release() && this->is_acquire())
@@ -139,7 +139,7 @@ void ModelAction::read_from(ModelAction *act)
  * @return true if this action's thread has synchronized with act's thread
  * since the execution of act, false otherwise.
  */
-bool ModelAction::happens_before(ModelAction *act)
+bool ModelAction::happens_before(const ModelAction *act) const
 {
 	return act->cv->synchronized_since(this);
 }
diff --git a/action.h b/action.h
index 0200111d..c84381dc 100644
--- a/action.h
+++ b/action.h
@@ -58,11 +58,11 @@ public:
 	bool same_thread(const ModelAction *act) const;
 	bool is_synchronizing(const ModelAction *act) const;
 
-	void create_cv(ModelAction *parent = NULL);
+	void create_cv(const ModelAction *parent = NULL);
 	ClockVector * get_cv() const { return cv; }
-	void read_from(ModelAction *act);
+	void read_from(const ModelAction *act);
 
-	bool happens_before(ModelAction *act);
+	bool happens_before(const ModelAction *act) const;
 
 	inline bool operator <(const ModelAction& act) const {
 		return get_seq_number() < act.get_seq_number();
diff --git a/clockvector.cc b/clockvector.cc
index e0ced522..cfd99c66 100644
--- a/clockvector.cc
+++ b/clockvector.cc
@@ -75,7 +75,7 @@ void ClockVector::merge(ClockVector *cv)
  * thread, false otherwise. That is, this function returns:
  * <BR><CODE>act <= cv[act->tid]</CODE>
  */
-bool ClockVector::synchronized_since(ModelAction *act) const
+bool ClockVector::synchronized_since(const ModelAction *act) const
 {
 	int i = id_to_int(act->get_tid());
 
diff --git a/clockvector.h b/clockvector.h
index 82f1e377..1428886c 100644
--- a/clockvector.h
+++ b/clockvector.h
@@ -17,7 +17,7 @@ public:
 	ClockVector(ClockVector *parent = NULL, ModelAction *act = NULL);
 	~ClockVector();
 	void merge(ClockVector *cv);
-	bool synchronized_since(ModelAction *act) const;
+	bool synchronized_since(const ModelAction *act) const;
 
 	void print() const;
 	modelclock_t getClock(thread_id_t thread);