model: fix bugs in fence-acquire synchronization

[c11tester.git] / action.h

diff --git a/action.h b/action.h
index 66ba753b58131bdc1235bfd7276fc1416b8e22f3..be87eca33f7400da44e308a598c6c3084044d620 100644 (file)
--- a/action.h
+++ b/action.h
@@ -85,9 +85,18 @@ public:
        Node * get_node() const { return node; }
        void set_node(Node *n) { node = n; }
 
+       void set_read_from(const ModelAction *act);
+
+       /** Store the most recent fence-release from the same thread
+        *  @param fence The fence-release that occured prior to this */
+       void set_last_fence_release(const ModelAction *fence) { last_fence_release = fence; }
+       /** @return The most recent fence-release from the same thread */
+       const ModelAction * get_last_fence_release() const { return last_fence_release; }
+
        void copy_from_new(ModelAction *newaction);
        void set_seq_number(modelclock_t num);
        void set_try_lock(bool obtainedlock);
+       bool is_thread_start() const;
        bool is_relseq_fixup() const;
        bool is_mutex_op() const;
        bool is_lock() const;
@@ -117,7 +126,6 @@ public:
 
        void create_cv(const ModelAction *parent = NULL);
        ClockVector * get_cv() const { return cv; }
-       bool read_from(const ModelAction *act);
        bool synchronize_with(const ModelAction *act);
 
        bool has_synchronized_with(const ModelAction *act) const;
@@ -158,6 +166,9 @@ private:
        /** The action that this action reads from. Only valid for reads */
        const ModelAction *reads_from;
 
+       /** The last fence release from the same thread */
+       const ModelAction *last_fence_release;
+
        /** A back reference to a Node in NodeStack, if this ModelAction is
         * saved on the NodeStack. */
        Node *node;