Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Remove nested code blocks (Sonar).
[simgrid.git] / src / mc / explo / odpor / ReversibleRaceCalculator.cpp
index 42eadb02b8bb24a76c310de8da9c3228cb7f320e..f2db6b6b9a22642c3bdcfb3d6b61e85fe5a229e4 100644 (file)
@@ -21,26 +21,65 @@ bool ReversibleRaceCalculator::is_race_reversible(const Execution& E, Execution:
   using HandlerMap = std::unordered_map<Action, Handler>;
 
   const static HandlerMap handlers =
-      HandlerMap{{Action::COMM_ASYNC_RECV, &ReversibleRaceCalculator::is_race_reversible_CommRecv},
+      HandlerMap{{Action::ACTOR_JOIN, &ReversibleRaceCalculator::is_race_reversible_ActorJoin},
+                 {Action::BARRIER_ASYNC_LOCK, &ReversibleRaceCalculator::is_race_reversible_BarrierAsyncLock},
+                 {Action::BARRIER_WAIT, &ReversibleRaceCalculator::is_race_reversible_BarrierWait},
                  {Action::COMM_ASYNC_SEND, &ReversibleRaceCalculator::is_race_reversible_CommSend},
-                 {Action::COMM_WAIT, &ReversibleRaceCalculator::is_race_reversible_CommWait}};
+                 {Action::COMM_ASYNC_RECV, &ReversibleRaceCalculator::is_race_reversible_CommRecv},
+                 {Action::COMM_TEST, &ReversibleRaceCalculator::is_race_reversible_CommTest},
+                 {Action::COMM_WAIT, &ReversibleRaceCalculator::is_race_reversible_CommWait},
+                 {Action::MUTEX_ASYNC_LOCK, &ReversibleRaceCalculator::is_race_reversible_MutexAsyncLock},
+                 {Action::MUTEX_TEST, &ReversibleRaceCalculator::is_race_reversible_MutexTest},
+                 {Action::MUTEX_TRYLOCK, &ReversibleRaceCalculator::is_race_reversible_MutexTrylock},
+                 {Action::MUTEX_UNLOCK, &ReversibleRaceCalculator::is_race_reversible_MutexUnlock},
+                 {Action::MUTEX_WAIT, &ReversibleRaceCalculator::is_race_reversible_MutexWait},
+                 {Action::OBJECT_ACCESS, &ReversibleRaceCalculator::is_race_reversible_ObjectAccess},
+                 {Action::RANDOM, &ReversibleRaceCalculator::is_race_reversible_Random},
+                 {Action::SEM_ASYNC_LOCK, &ReversibleRaceCalculator::is_race_reversible_SemAsyncLock},
+                 {Action::SEM_UNLOCK, &ReversibleRaceCalculator::is_race_reversible_SemUnlock},
+                 {Action::SEM_WAIT, &ReversibleRaceCalculator::is_race_reversible_SemWait},
+                 {Action::TESTANY, &ReversibleRaceCalculator::is_race_reversible_TestAny},
+                 {Action::WAITANY, &ReversibleRaceCalculator::is_race_reversible_WaitAny}};
 
-  const auto e2_action = E.get_transition_for_handle(e2);
+  const auto* e2_action = E.get_transition_for_handle(e2);
   if (const auto handler = handlers.find(e2_action->type_); handler != handlers.end()) {
     return handler->second(E, e1, e2_action);
   } else {
-    xbt_assert(false,
-               "There is currently no specialized computation for the transition "
-               "'%s' for computing reversible races in ODPOR, so the model checker cannot "
-               "determine how to proceed. Please submit a bug report requesting "
-               "that the transition be supported in SimGrid using ODPPR and consider "
-               "using the other model-checking algorithms supported by SimGrid instead "
-               "in the meantime",
-               e2_action->to_string().c_str());
-    DIE_IMPOSSIBLE;
+    xbt_die("There is currently no specialized computation for the transition "
+            "'%s' for computing reversible races in ODPOR, so the model checker cannot "
+            "determine how to proceed. Please submit a bug report requesting "
+            "that the transition be supported in SimGrid using ODPPR and consider "
+            "using the other model-checking algorithms supported by SimGrid instead "
+            "in the meantime",
+            e2_action->to_string().c_str());
   }
 }
 
+bool ReversibleRaceCalculator::is_race_reversible_ActorJoin(const Execution&, Execution::EventHandle e1,
+                                                            const Transition* e2)
+{
+  // ActorJoin races with another event iff its target `T` is the same as
+  // the actor executing the other transition. Clearly, then, we could not join
+  // on that actor `T` and then run a transition by `T`, so no race is reversible
+  return false;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_BarrierAsyncLock(const Execution&, Execution::EventHandle e1,
+                                                                   const Transition* e2)
+{
+  // BarrierAsyncLock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_BarrierWait(const Execution& E, Execution::EventHandle e1,
+                                                              const Transition* e2)
+{
+  // If the other event is a barrier lock event, then we
+  // are not reversible; otherwise we are reversible.
+  const auto e1_action = E.get_transition_for_handle(e1)->type_;
+  return e1_action != Transition::Type::BARRIER_ASYNC_LOCK;
+}
+
 bool ReversibleRaceCalculator::is_race_reversible_CommRecv(const Execution&, Execution::EventHandle e1,
                                                            const Transition* e2)
 {
@@ -58,16 +97,103 @@ bool ReversibleRaceCalculator::is_race_reversible_CommSend(const Execution&, Exe
 bool ReversibleRaceCalculator::is_race_reversible_CommWait(const Execution& E, Execution::EventHandle e1,
                                                            const Transition* e2)
 {
-  // If the other event communication event, then we
-  // are not reversible. Otherwise we are reversible.
+  // If the other event is a communication event, then we
+  // are not reversible; otherwise we are reversible.
   const auto e1_action = E.get_transition_for_handle(e1)->type_;
-  return e1_action != Transition::Type::COMM_ASYNC_SEND and e1_action != Transition::Type::COMM_ASYNC_RECV;
+  return e1_action != Transition::Type::COMM_ASYNC_SEND && e1_action != Transition::Type::COMM_ASYNC_RECV;
 }
 
 bool ReversibleRaceCalculator::is_race_reversible_CommTest(const Execution&, Execution::EventHandle e1,
                                                            const Transition* e2)
 {
+  // CommTest is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_MutexAsyncLock(const Execution&, Execution::EventHandle e1,
+                                                                 const Transition* e2)
+{
+  // MutexAsyncLock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_MutexTest(const Execution&, Execution::EventHandle e1,
+                                                            const Transition* e2)
+{
+  // MutexTest is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_MutexTrylock(const Execution&, Execution::EventHandle e1,
+                                                               const Transition* e2)
+{
+  // MutexTrylock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_MutexUnlock(const Execution&, Execution::EventHandle e1,
+                                                              const Transition* e2)
+{
+  // MutexUnlock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_MutexWait(const Execution& E, Execution::EventHandle e1,
+                                                            const Transition* e2)
+{
+  // TODO: Get the semantics correct here
+  const auto e1_action = E.get_transition_for_handle(e1)->type_;
+  return e1_action != Transition::Type::MUTEX_ASYNC_LOCK && e1_action != Transition::Type::MUTEX_UNLOCK;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_SemAsyncLock(const Execution&, Execution::EventHandle e1,
+                                                               const Transition* e2)
+{
+  // SemAsyncLock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_SemUnlock(const Execution&, Execution::EventHandle e1,
+                                                            const Transition* e2)
+{
+  // SemUnlock is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_SemWait(const Execution&, Execution::EventHandle e1,
+                                                          const Transition* e2)
+{
+  // TODO: Get the semantics correct here
+  return false;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_ObjectAccess(const Execution&, Execution::EventHandle e1,
+                                                               const Transition* e2)
+{
+  // Object access is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_Random(const Execution&, Execution::EventHandle e1,
+                                                         const Transition* e2)
+{
+  // Random is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_TestAny(const Execution&, Execution::EventHandle e1,
+                                                          const Transition* e2)
+{
+  // TestAny is always enabled
+  return true;
+}
+
+bool ReversibleRaceCalculator::is_race_reversible_WaitAny(const Execution&, Execution::EventHandle e1,
+                                                          const Transition* e2)
+{
+  // TODO: We need to check if any of the transitions
+  // waited on occurred before `e1`
   return false;
 }
 
-} // namespace simgrid::mc::odpor
\ No newline at end of file
+} // namespace simgrid::mc::odpor