From fd0026445b71eb29e0beedd32ba061fbc43d0c27 Mon Sep 17 00:00:00 2001
From: Brian Norris <banorris@uci.edu>
Date: Thu, 15 Nov 2012 12:21:45 -0800
Subject: [PATCH] model: add 'const'

---
 model.cc | 15 ++++++++++-----
 model.h  | 10 +++++-----
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/model.cc b/model.cc
index 33fc4c3c..1264f683 100644
--- a/model.cc
+++ b/model.cc
@@ -1038,7 +1038,8 @@ void ModelChecker::check_curr_backtracking(ModelAction * curr) {
 	}
 }
 
-bool ModelChecker::promises_expired() {
+bool ModelChecker::promises_expired() const
+{
 	for (unsigned int promise_index = 0; promise_index < promises->size(); promise_index++) {
 		Promise *promise = (*promises)[promise_index];
 		if (promise->get_expiration()<priv->used_sequence_numbers) {
@@ -1050,12 +1051,14 @@ bool ModelChecker::promises_expired() {
 
 /** @return whether the current partial trace must be a prefix of a
  * feasible trace. */
-bool ModelChecker::isfeasibleprefix() {
+bool ModelChecker::isfeasibleprefix() const
+{
 	return promises->size() == 0 && pending_rel_seqs->size() == 0 && isfeasible();
 }
 
 /** @return whether the current partial trace is feasible. */
-bool ModelChecker::isfeasible() {
+bool ModelChecker::isfeasible() const
+{
 	if (DBG_ENABLED() && mo_graph->checkForRMWViolation())
 		DEBUG("Infeasible: RMW violation\n");
 
@@ -1064,7 +1067,8 @@ bool ModelChecker::isfeasible() {
 
 /** @return whether the current partial trace is feasible other than
  * multiple RMW reading from the same store. */
-bool ModelChecker::isfeasibleotherthanRMW() {
+bool ModelChecker::isfeasibleotherthanRMW() const
+{
 	if (DBG_ENABLED()) {
 		if (mo_graph->checkForCycles())
 			DEBUG("Infeasible: modification order cycles\n");
@@ -1081,7 +1085,8 @@ bool ModelChecker::isfeasibleotherthanRMW() {
 }
 
 /** Returns whether the current completed trace is feasible. */
-bool ModelChecker::isfinalfeasible() {
+bool ModelChecker::isfinalfeasible() const
+{
 	if (DBG_ENABLED() && promises->size() != 0)
 		DEBUG("Infeasible: unrevolved promises\n");
 
diff --git a/model.h b/model.h
index ee8026d0..baec467b 100644
--- a/model.h
+++ b/model.h
@@ -98,15 +98,15 @@ public:
 	ClockVector * get_cv(thread_id_t tid);
 	ModelAction * get_parent_action(thread_id_t tid);
 	bool next_execution();
-	bool isfeasible();
-	bool isfeasibleotherthanRMW();
-	bool isfinalfeasible();
+	bool isfeasible() const;
+	bool isfeasibleotherthanRMW() const;
+	bool isfinalfeasible() 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);
 	void get_release_seq_heads(ModelAction *act, rel_heads_list_t *release_heads);
 	void finish_execution();
-	bool isfeasibleprefix();
+	bool isfeasibleprefix() const;
 	void set_assert() {asserted=true;}
 	bool is_deadlocked() const;
 	bool is_complete_execution() const;
@@ -130,7 +130,7 @@ private:
 	void reset_asserted() {asserted=false;}
 	int num_executions;
 	int num_feasible_executions;
-	bool promises_expired();
+	bool promises_expired() const;
 	void execute_sleep_set();
 	void wake_up_sleeping_actions(ModelAction * curr);
 	modelclock_t get_next_seq_num();
-- 
2.34.1