XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc, "Logging specific to MC (request)");
-static inline simgrid::kernel::activity::CommImpl* MC_get_comm(smx_simcall_t 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;
- }
-}
-
-static inline
-smx_mailbox_t MC_get_mbox(smx_simcall_t 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;
- }
-}
-
-namespace simgrid {
-namespace mc {
-
-// Does half the job
-static 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 = MC_get_comm(r1);
- const kernel::activity::CommImpl* synchro2 = MC_get_comm(r2);
-
- if ((r1->call_ == Simcall::COMM_ISEND || r1->call_ == Simcall::COMM_IRECV) && r2->call_ == Simcall::COMM_WAIT) {
- const kernel::activity::MailboxImpl* mbox = MC_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;
-}
-
-// Those are internal_req
-bool request_depend(smx_simcall_t req1, smx_simcall_t 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 = MC_get_comm(req1);
- const kernel::activity::CommImpl* synchro2 = MC_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;
- }
-}
-
-} // namespace mc
-} // namespace simgrid
-
namespace simgrid {
namespace mc {
