model: update switch_to_master() comment

[model-checker.git] / model.cc

diff --git a/model.cc b/model.cc
index d0dc027150bc629a1df5a839d7c45c9ce1c4d5ee..6ec608038ecd348eac26dbec8ed4468da25a9b0c 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -188,6 +188,7 @@ bool ModelChecker::next_execution()
        DBG();
 
        num_executions++;
+
        if (isfinalfeasible()) {
                printf("Earliest divergence point since last feasible execution:\n");
                if (earliest_diverge)
@@ -199,6 +200,9 @@ bool ModelChecker::next_execution()
                num_feasible_executions++;
        }
 
+       DEBUG("Number of acquires waiting on pending release sequences: %lu\n",
+                       pending_acq_rel_seq->size());
+
        if (isfinalfeasible() || DBG_ENABLED())
                print_summary();
 
@@ -1477,6 +1481,7 @@ bool ModelChecker::resolve_promises(ModelAction *write)
                        //Make sure the promise's value matches the write's value
                        ASSERT(promise->get_value() == write->get_value());
 
+                       delete(promise);
                        promises->erase(promises->begin() + promise_index);
                        resolved = true;
                } else
@@ -1684,7 +1689,10 @@ void ModelChecker::remove_thread(Thread *t)
  * context). This switch is made with the intention of exploring a particular
  * model-checking action (described by a ModelAction object). Must be called
  * from a user-thread context.
- * @param act The current action that will be explored. Must not be NULL.
+ *
+ * @param act The current action that will be explored. May be NULL only if
+ * trace is exiting via an assertion (see ModelChecker::set_assert and
+ * ModelChecker::has_asserted).
  * @return Return status from the 'swap' call (i.e., success/fail, 0/-1)
  */
 int ModelChecker::switch_to_master(ModelAction *act)