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_PATTERN_H
7 #define SIMGRID_MC_PATTERN_H
9 #include "src/kernel/activity/CommImpl.hpp"
10 #include "src/mc/remote/RemotePtr.hpp"
12 namespace simgrid::mc {
14 /* On every state, each actor has an entry of the following type.
15 * This represents both the actor and its transition because
16 * an actor cannot have more than one enabled transition at a given time.
20 /* Possible exploration status of an actor transition in a state.
21 * Either the checker did not consider the transition, or it was considered and still to do, or considered and done.
23 enum class InterleavingType {
24 /** This actor transition is not considered by the checker (yet?) */
26 /** The checker algorithm decided that this actor transitions should be done at some point */
28 /** The checker algorithm decided that this should be done, but it was done in the meanwhile */
32 /** Exploration control information */
33 InterleavingType state_ = InterleavingType::disabled;
36 /** Number of times that the actor was considered to be executed in previous explorations of the state space */
37 unsigned int times_considered_ = 0;
38 /** Maximal amount of times that the actor can be considered for execution in this state.
39 * If times_considered==max_consider, we fully explored that part of the state space */
40 unsigned int max_consider_ = 0;
42 /** Whether that actor is initially enabled in this state */
46 ActorState(aid_t aid, bool enabled, unsigned int max_consider)
47 : aid_(aid), max_consider_(max_consider), enabled_(enabled)
51 unsigned int do_consider()
53 if (max_consider_ <= times_considered_ + 1)
55 return times_considered_++;
57 unsigned int get_times_considered() const { return times_considered_; }
59 /* returns whether the actor is marked as enabled in the application side */
60 bool is_enabled() const { return enabled_; }
61 /* returns whether the actor is marked as disabled by the exploration algorithm */
62 bool is_disabled() const { return this->state_ == InterleavingType::disabled; }
63 bool is_done() const { return this->state_ == InterleavingType::done; }
64 bool is_todo() const { return this->state_ == InterleavingType::todo; }
65 /** Mark that we should try executing this process at some point in the future of the checker algorithm */
68 this->state_ = InterleavingType::todo;
69 this->times_considered_ = 0;
71 void set_done() { this->state_ = InterleavingType::done; }
74 } // namespace simgrid::mc