+++ /dev/null
-/* Copyright (c) 2019-2021. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifndef SIMGRID_MC_SIMCALL_INSPECTOR_HPP
-#define SIMGRID_MC_SIMCALL_INSPECTOR_HPP
-
-#include "simgrid/forward.h"
-
-#include <string>
-
-namespace simgrid {
-namespace mc {
-
-class SimcallInspector {
- kernel::actor::ActorImpl* issuer_;
-
-public:
- explicit SimcallInspector(kernel::actor::ActorImpl* issuer) : issuer_(issuer) {}
- kernel::actor::ActorImpl* get_issuer() const { return issuer_; }
- /** Whether this transition can currently be taken without blocking.
- *
- * For example, a mutex_lock is not enabled when the mutex is not free.
- * A comm_receive is not enabled before the corresponding send has been issued.
- */
- virtual bool is_enabled() const { return true; }
-
- /** Returns the amount of time that this transition can be used.
- *
- * If it's 1 (as with send/wait), there is no need to fork the state space exploration on this point.
- * If it's more than one (as with mc_random or waitany), we need to consider this transition several times to start
- * differing branches
- */
- virtual int get_max_consider() const { return 1; }
-
- /** Prepares the simcall to be used.
- *
- * For most simcalls, this does nothing. Once enabled, there is nothing to do to prepare a send().
- *
- * It is useful only for the simcalls that can be used several times, such as waitany() or random().
- * For them, prepare() selects the right outcome for the time being considered.
- *
- * The first time a simcall is considered, times_considered is 0, not 1.
- */
- virtual void prepare(int times_considered) { /* Nothing to do by default */}
-
- /** Some simcalls may only be observable under some circumstances.
- * Most simcalls are not visible from the MC because they don't have an inspector at all. */
- virtual bool is_visible() const { return true; }
- virtual std::string to_string(int times_considered) const = 0;
- virtual std::string dot_label() const = 0;
-};
-
-class RandomSimcall : public SimcallInspector {
- int min_;
- int max_;
- int next_value_ = 0;
-
-public:
- RandomSimcall(smx_actor_t actor, int min, int max) : SimcallInspector(actor), min_(min), max_(max) {}
- int get_max_consider() const override;
- void prepare(int times_considered) override;
- std::string to_string(int times_considered) const override;
- std::string dot_label() const override;
- int get_value() const;
-};
-
-class MutexUnlockSimcall : public SimcallInspector {
- using SimcallInspector::SimcallInspector;
-
-public:
- std::string to_string(int times_considered) const override;
- std::string dot_label() const override;
-};
-} // namespace mc
-} // namespace simgrid
-
-#endif
