1 /* Copyright (c) 2015-2022. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SIMGRID_MC_TRANSITION_HPP
8 #define SIMGRID_MC_TRANSITION_HPP
10 #include "simgrid/forward.h" // aid_t
11 #include "src/mc/remote/RemotePtr.hpp"
17 /** An element in the recorded path
19 * At each decision point, we need to record which process transition
20 * is triggered and potentially which value is associated with this
21 * transition. The value is used to find which communication is triggered
22 * in things like waitany and for associating a given value of MC_random()
26 /* Textual representation of the transition, to display backtraces */
27 std::string textual_ = "";
28 static unsigned long executed_transitions_;
33 /* Which transition was executed for this simcall
35 * Some simcalls can lead to different transitions:
37 * * waitany/testany can trigger on different messages;
39 * * random can produce different values.
41 int times_considered_ = 0;
43 std::string to_string();
45 /* Explore a new path */
46 RemotePtr<simgrid::kernel::actor::SimcallObserver> execute(simgrid::mc::State* state, int next);
47 /* Moves the application toward a path that was already explored, but don't change the current transition */
48 RemotePtr<simgrid::kernel::actor::SimcallObserver> replay();
50 /* Returns the total amount of transitions executed so far (for statistics) */
51 static unsigned long get_executed_transitions() { return executed_transitions_; }
55 } // namespace simgrid