X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=promise.cc;h=ea5e7e635cf47df48a2ffc15fa0cd35d73b76025;hb=f06cd40fb350723b2dbe59f8c494b03a60f41b40;hp=fdd45791f40657556f344c96b579ade87bc90736;hpb=00b14c0561d3838aeb798d3c22f4136f8c4d136b;p=model-checker.git

diff --git a/promise.cc b/promise.cc
index fdd4579..ea5e7e6 100644
--- a/promise.cc
+++ b/promise.cc
@@ -83,5 +83,16 @@ bool Promise::has_failed() const
  */
 bool Promise::is_compatible(const ModelAction *write) const
 {
-	return thread_is_available(write->get_tid());
+	return thread_is_available(write->get_tid()) && read->same_var(write);
+}
+
+/**
+ * @brief Check if a promise is compatible with a store and is exclusive to its
+ * thread
+ * @param write The store to check against
+ * @return True if we are compatible and exclusive; false otherwise
+ */
+bool Promise::is_compatible_exclusive(const ModelAction *write) const
+{
+	return get_num_available_threads() == 1 && is_compatible(write);
 }