promise: update comments/names to reflect usage

[model-checker.git] / promise.cc

diff --git a/promise.cc b/promise.cc
index 2bd6637352195a41029b96f220d88b1bff809403..69197cbac818b8f8dc01ad75d1d109df61474783 100644 (file)
--- a/promise.cc
+++ b/promise.cc
@@ -76,3 +76,25 @@ bool Promise::has_failed() const
 {
        return num_available_threads == 0;
 }
+
+/**
+ * @brief Check if an action's thread and location are compatible for resolving
+ * this promise
+ * @param act The action to check against
+ * @return True if we are compatible; false otherwise
+ */
+bool Promise::is_compatible(const ModelAction *act) const
+{
+       return thread_is_available(act->get_tid()) && read->same_var(act);
+}
+
+/**
+ * @brief Check if an action's thread and location are compatible for resolving
+ * this promise, and that the promise is thread-exclusive
+ * @param act The action to check against
+ * @return True if we are compatible and exclusive; false otherwise
+ */
+bool Promise::is_compatible_exclusive(const ModelAction *act) const
+{
+       return get_num_available_threads() == 1 && is_compatible(act);
+}