1 /* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_MC_STATE_HPP
7 #define SIMGRID_MC_STATE_HPP
9 #include "src/mc/Transition.hpp"
10 #include "src/mc/sosp/Snapshot.hpp"
11 #include "src/mc/mc_comm_pattern.hpp"
16 /* A node in the exploration graph (kind-of) */
17 class XBT_PRIVATE State {
19 /** Sequential state number (used for debugging) */
22 /** State's exploration status by process */
23 std::vector<ActorState> actor_states_;
25 Transition transition_;
27 /** The simcall which was executed, going out of that state */
28 s_smx_simcall executed_req_;
30 /** Observer of the transition leading to that sate */
31 RemotePtr<kernel::actor::SimcallObserver> remote_observer_;
33 /* Internal translation of the executed_req simcall
35 * Simcall::COMM_TESTANY is translated to a Simcall::COMM_TEST
36 * and Simcall::COMM_WAITANY to a Simcall::COMM_WAIT.
38 s_smx_simcall internal_req_;
40 /* Can be used as a copy of the remote synchro object */
41 simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> internal_comm_;
43 /** Snapshot of system state (if needed) */
44 std::shared_ptr<simgrid::mc::Snapshot> system_state_;
46 // For CommunicationDeterminismChecker
47 std::vector<std::vector<simgrid::mc::PatternCommunication>> incomplete_comm_pattern_;
48 std::vector<unsigned> communication_indices_;
50 explicit State(unsigned long state_number);
52 std::size_t count_todo() const;
53 void mark_todo(const simgrid::kernel::actor::ActorImpl* actor) { this->actor_states_[actor->get_pid()].mark_todo(); }
54 Transition get_transition() const;
57 void copy_incomplete_comm_pattern();
58 void copy_index_comm_pattern();