common: make model_print() use OS file descriptor, not C library FILE*

[model-checker.git] / model.cc

diff --git a/model.cc b/model.cc
index 6a79ad4a90f80ff1ee3177511683cd96c67ebb54..f385e560f085cc9af3aec101207f732a7a3ef8e3 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -154,9 +154,6 @@ void ModelChecker::reset_to_initial_state()
        DEBUG("+++ Resetting to initial state +++\n");
        node_stack->reset_execution();
 
-       /* Print all model-checker output before rollback */
-       fflush(model_out);
-
        /**
         * FIXME: if we utilize partial rollback, we will need to free only
         * those pending actions which were NOT pending before the rollback
@@ -755,6 +752,7 @@ void ModelChecker::set_backtracking(ModelAction *act)
 
        Node *node = prev->get_node()->get_parent();
 
+       /* See Dynamic Partial Order Reduction (addendum), POPL '05 */
        int low_tid, high_tid;
        if (node->enabled_status(t->get_id()) == THREAD_ENABLED) {
                low_tid = id_to_int(act->get_tid());
@@ -771,6 +769,7 @@ void ModelChecker::set_backtracking(ModelAction *act)
                if (i >= node->get_num_threads())
                        break;
 
+               /* See Dynamic Partial Order Reduction (addendum), POPL '05 */
                /* Don't backtrack into a point where the thread is disabled or sleeping. */
                if (node->enabled_status(tid) != THREAD_ENABLED)
                        continue;