promise: add is_compatible()

diff --git a/promise.cc b/promise.cc
index 2bd6637352195a41029b96f220d88b1bff809403..fdd45791f40657556f344c96b579ade87bc90736 100644 (file)
--- a/promise.cc
+++ b/promise.cc
@@ -76,3 +76,12 @@ 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());
+}

diff --git a/promise.h b/promise.h
index 8ff8c3e319bd5b2f4a4b758be51c8adb7a5dbeb6..8eec87bd4dbf7f32ec3ecdb95b4bf611f5559bf9 100644 (file)
--- a/promise.h
+++ b/promise.h
@@ -41,6 +41,7 @@ class Promise {
        void set_write(const ModelAction *act) { write = act; }
        const ModelAction * get_write() { return write; }
        int get_num_available_threads() { return num_available_threads; }
+       bool is_compatible(const ModelAction *write) const;
 
        void print() const;