From: Brian Norris <banorris@uci.edu>
Date: Thu, 15 Nov 2012 00:46:03 +0000 (-0800)
Subject: model: routine to check if execution is complete
X-Git-Tag: oopsla2013~536
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=86ca0bf04682b0011466ab49abda78acbf024c54;p=model-checker.git

model: routine to check if execution is complete

Not used yet.
---

diff --git a/model.cc b/model.cc
index e5c8a55..33fc4c3 100644
--- a/model.cc
+++ b/model.cc
@@ -294,6 +294,21 @@ bool ModelChecker::is_deadlocked() const
 	return blocking_threads;
 }
 
+/**
+ * Check if this is a complete execution. That is, have all thread completed
+ * execution (rather than exiting because sleep sets have forced a redundant
+ * execution).
+ *
+ * @return True if the execution is complete.
+ */
+bool ModelChecker::is_complete_execution() const
+{
+	for (unsigned int i = 0; i < get_num_threads(); i++)
+		if (is_enabled(int_to_id(i)))
+			return false;
+	return true;
+}
+
 /**
  * Queries the model-checker for more executions to explore and, if one
  * exists, resets the model-checker state to execute a new execution.
diff --git a/model.h b/model.h
index 85101fe..ee8026d 100644
--- a/model.h
+++ b/model.h
@@ -109,6 +109,7 @@ public:
 	bool isfeasibleprefix();
 	void set_assert() {asserted=true;}
 	bool is_deadlocked() const;
+	bool is_complete_execution() const;
 
 	/** @brief Alert the model-checker that an incorrectly-ordered
 	 * synchronization was made */