return xbt_strdup("(verbose only)");
}
+inline
+smx_mailbox_t get_mbox(smx_simcall_t const r)
+{
+ switch (r->call_) {
+ case Simcall::COMM_ISEND:
+ return simcall_comm_isend__get__mbox(r);
+ case Simcall::COMM_IRECV:
+ return simcall_comm_irecv__get__mbox(r);
+ default:
+ return nullptr;
+ }
+}
+
+inline simgrid::kernel::activity::CommImpl* get_comm(smx_simcall_t const r)
+{
+ switch (r->call_) {
+ case Simcall::COMM_WAIT:
+ return simcall_comm_wait__getraw__comm(r);
+ case Simcall::COMM_TEST:
+ return simcall_comm_test__getraw__comm(r);
+ default:
+ return nullptr;
+ }
+}
+
+// Does half the job
+inline bool request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2)
+{
+ if (r1->call_ == Simcall::COMM_ISEND && r2->call_ == Simcall::COMM_IRECV)
+ return false;
+
+ if (r1->call_ == Simcall::COMM_IRECV && r2->call_ == Simcall::COMM_ISEND)
+ return false;
+
+ // Those are internal requests, we do not need indirection because those objects are copies:
+ const kernel::activity::CommImpl* synchro1 = get_comm(r1);
+ const kernel::activity::CommImpl* synchro2 = get_comm(r2);
+
+ if ((r1->call_ == Simcall::COMM_ISEND || r1->call_ == Simcall::COMM_IRECV) && r2->call_ == Simcall::COMM_WAIT) {
+ const kernel::activity::MailboxImpl* mbox = get_mbox(r1);
+
+ if (mbox != synchro2->mbox_cpy
+ && simcall_comm_wait__get__timeout(r2) <= 0)
+ return false;
+
+ if ((r1->issuer_ != synchro2->src_actor_.get()) && (r1->issuer_ != synchro2->dst_actor_.get()) &&
+ simcall_comm_wait__get__timeout(r2) <= 0)
+ return false;
+
+ if ((r1->call_ == Simcall::COMM_ISEND) && (synchro2->type_ == kernel::activity::CommImpl::Type::SEND) &&
+ (synchro2->src_buff_ != simcall_comm_isend__get__src_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
+ return false;
+
+ if ((r1->call_ == Simcall::COMM_IRECV) && (synchro2->type_ == kernel::activity::CommImpl::Type::RECEIVE) &&
+ (synchro2->dst_buff_ != simcall_comm_irecv__get__dst_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
+ return false;
+ }
+
+ /* FIXME: the following rule assumes that the result of the isend/irecv call is not stored in a buffer used in the
+ * test call. */
+#if 0
+ if((r1->call == Simcall::COMM_ISEND || r1->call == Simcall::COMM_IRECV)
+ && r2->call == Simcall::COMM_TEST)
+ return false;
+#endif
+
+ if (r1->call_ == Simcall::COMM_WAIT && (r2->call_ == Simcall::COMM_WAIT || r2->call_ == Simcall::COMM_TEST) &&
+ (synchro1->src_actor_.get() == nullptr || synchro1->dst_actor_.get() == nullptr))
+ return false;
+
+ if (r1->call_ == Simcall::COMM_TEST &&
+ (simcall_comm_test__get__comm(r1) == nullptr || synchro1->src_buff_ == nullptr || synchro1->dst_buff_ == nullptr))
+ return false;
+
+ if (r1->call_ == Simcall::COMM_TEST && r2->call_ == Simcall::COMM_WAIT &&
+ synchro1->src_buff_ == synchro2->src_buff_ && synchro1->dst_buff_ == synchro2->dst_buff_)
+ return false;
+
+ if (r1->call_ == Simcall::COMM_WAIT && r2->call_ == Simcall::COMM_TEST && synchro1->src_buff_ != nullptr &&
+ synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr && synchro2->dst_buff_ != nullptr &&
+ synchro1->dst_buff_ != synchro2->src_buff_ && synchro1->dst_buff_ != synchro2->dst_buff_ &&
+ synchro2->dst_buff_ != synchro1->src_buff_)
+ return false;
+
+ return true;
+}
+
/* Search an enabled transition for the given process.
*
* This can be seen as an iterator returning the next transition of the process.
session->initialize();
}
-ModelChecker* mc_api::get_model_checker() const
-{
- return mc_model_checker;
-}
-
void mc_api::mc_inc_visited_states() const
{
mc_model_checker->visited_states++;
return MC_smx_simcall_get_issuer(req);
}
-long mc_api::simcall_get_issuer_id(s_smx_simcall const* req) const
+long mc_api::simcall_get_actor_id(s_smx_simcall const* req) const
{
return MC_smx_simcall_get_issuer(req)->get_pid();
}
+smx_mailbox_t mc_api::simcall_get_mbox(smx_simcall_t const req) const
+{
+ return get_mbox(req);
+}
+
+simgrid::kernel::activity::CommImpl* mc_api::simcall_get_comm(smx_simcall_t const req) const
+{
+ return get_comm(req);
+}
+
bool mc_api::mc_is_null() const
{
auto is_null = (mc_model_checker == nullptr) ? true : false;
return nullptr;
}
-bool mc_api::request_depend(smx_simcall_t req1, smx_simcall_t req2) const
+bool mc_api::simcall_check_dependency(smx_simcall_t const req1, smx_simcall_t const req2) const
{
- return simgrid::mc::request_depend(req1, req2);
+ if (req1->issuer_ == req2->issuer_)
+ return false;
+
+ /* Wait with timeout transitions are not considered by the independence theorem, thus we consider them as dependent with all other transitions */
+ if ((req1->call_ == Simcall::COMM_WAIT && simcall_comm_wait__get__timeout(req1) > 0) ||
+ (req2->call_ == Simcall::COMM_WAIT && simcall_comm_wait__get__timeout(req2) > 0))
+ return true;
+
+ if (req1->call_ != req2->call_)
+ return request_depend_asymmetric(req1, req2) && request_depend_asymmetric(req2, req1);
+
+ // Those are internal requests, we do not need indirection because those objects are copies:
+ const kernel::activity::CommImpl* synchro1 = get_comm(req1);
+ const kernel::activity::CommImpl* synchro2 = get_comm(req2);
+
+ switch (req1->call_) {
+ case Simcall::COMM_ISEND:
+ return simcall_comm_isend__get__mbox(req1) == simcall_comm_isend__get__mbox(req2);
+ case Simcall::COMM_IRECV:
+ return simcall_comm_irecv__get__mbox(req1) == simcall_comm_irecv__get__mbox(req2);
+ case Simcall::COMM_WAIT:
+ if (synchro1->src_buff_ == synchro2->src_buff_ && synchro1->dst_buff_ == synchro2->dst_buff_)
+ return false;
+ if (synchro1->src_buff_ != nullptr && synchro1->dst_buff_ != nullptr && synchro2->src_buff_ != nullptr &&
+ synchro2->dst_buff_ != nullptr && synchro1->dst_buff_ != synchro2->src_buff_ &&
+ synchro1->dst_buff_ != synchro2->dst_buff_ && synchro2->dst_buff_ != synchro1->src_buff_)
+ return false;
+ return true;
+ default:
+ return true;
+ }
}
std::string mc_api::request_to_string(smx_simcall_t req, int value, RequestType request_type) const
