X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=promise.cc;h=ea5e7e635cf47df48a2ffc15fa0cd35d73b76025;hb=fbacb5f41ada96e7b539ccc41deccb1a7e1a1ba8;hp=2bd6637352195a41029b96f220d88b1bff809403;hpb=7823790c1d16dc687bf4bb3d6e3c6de5eb9f6366;p=model-checker.git

diff --git a/promise.cc b/promise.cc
index 2bd6637..ea5e7e6 100644
--- a/promise.cc
+++ b/promise.cc
@@ -76,3 +76,23 @@ bool Promise::has_failed() const
 {
 	return num_available_threads == 0;
 }
+
+/**
+ * @param write A store which could satisfy this Promise
+ * @return True if the store can satisfy this Promise; false otherwise
+ */
+bool Promise::is_compatible(const ModelAction *write) const
+{
+	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);
+}