model: check data races during release sequence fixup

[model-checker.git] / model.h

diff --git a/model.h b/model.h
index c5d85a42f8010f55e47105802ef71e72083bd810..68831b867885fe83a7765e2716c8d07cc67f9726 100644 (file)
--- a/model.h
+++ b/model.h
@@ -140,6 +140,7 @@ private:
        bool process_write(ModelAction *curr);
        bool process_mutex(ModelAction *curr);
        bool process_thread_action(ModelAction *curr);
+       void process_relseq_fixup(ModelAction *curr, work_queue_t *work_queue);
        bool check_action_enabled(ModelAction *curr);
 
        bool take_step();
@@ -152,6 +153,7 @@ private:
        void reset_to_initial_state();
        bool resolve_promises(ModelAction *curr);
        void compute_promises(ModelAction *curr);
+       void compute_relseq_breakwrites(ModelAction *curr);
 
        void check_curr_backtracking(ModelAction * curr);
        void add_action_to_lists(ModelAction *act);
@@ -163,7 +165,7 @@ private:
        void post_r_modification_order(ModelAction *curr, const ModelAction *rf);
        bool r_modification_order(ModelAction *curr, const ModelAction *rf);
        bool w_modification_order(ModelAction *curr);
-       bool release_seq_heads(const ModelAction *rf, rel_heads_list_t *release_heads) const;
+       bool release_seq_heads(const ModelAction *rf, rel_heads_list_t *release_heads, struct release_seq *pending) const;
        bool resolve_release_sequences(void *location, work_queue_t *work_queue);
        void do_complete_join(ModelAction *join);
 
@@ -187,12 +189,12 @@ private:
        std::vector<struct PendingFutureValue> *futurevalues;
 
        /**
-        * List of acquire actions that might synchronize with one or more
-        * release sequence. Release sequences might be determined lazily as
-        * promises are fulfilled and modification orders are established. Each
-        * ModelAction in this list must be an acquire operation.
+        * List of pending release sequences. Release sequences might be
+        * determined lazily as promises are fulfilled and modification orders
+        * are established. Each entry in the list may only be partially
+        * filled, depending on its pending status.
         */
-       std::vector<ModelAction *> *pending_acq_rel_seq;
+       std::vector<struct release_seq *> *pending_rel_seqs;
 
        std::vector<ModelAction *> *thrd_last_action;
        NodeStack *node_stack;
@@ -201,6 +203,10 @@ private:
         * together for efficiency and maintainability. */
        struct model_snapshot_members *priv;
 
+       /** A special model-checker Thread; used for associating with
+        *  model-checker-related ModelAcitons */
+       Thread *model_thread;
+
        /**
         * @brief The modification order graph
         *