-/* Copyright (c) 2016. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2016-2022. 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_SESSION_HPP
#define SIMGRID_MC_SESSION_HPP
-#ifdef __linux__
-#include <sys/prctl.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <xbt/sysdep.h>
-#include <xbt/system_error.hpp>
+#include "simgrid/forward.h"
+#include "src/mc/ModelChecker.hpp"
+#include "src/mc/api/ActorState.hpp"
+#include "src/mc/remote/RemotePtr.hpp"
#include <functional>
-#include <xbt/log.h>
-
-#include "src/mc/mc_forward.hpp"
-#include "src/mc/ModelChecker.hpp"
-
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
/** A model-checking session
*
* algorithms should be able to be written in high-level languages
* (e.g. Python) using bindings on this interface.
*/
-class Session {
+class XBT_PUBLIC Session {
private:
- std::unique_ptr<ModelChecker> modelChecker_;
-
-private: //
- Session(pid_t pid, int socket);
+ std::unique_ptr<ModelChecker> model_checker_;
+ std::shared_ptr<simgrid::mc::Snapshot> initial_snapshot_;
// No copy:
Session(Session const&) = delete;
Session& operator=(Session const&) = delete;
public:
+ /** Create a new session by executing the provided code in a fork()
+ *
+ * This sets up the environment for the model-checked process
+ * (environment variables, sockets, etc.).
+ *
+ * The code is expected to `exec` the model-checked application.
+ */
+ explicit Session(const std::function<void()>& code);
+
~Session();
void close();
-public: // static constructors
+ void take_initial_snapshot();
+ void restore_initial_state() const;
- /** Create a new session by forking
- *
- * The code is expected to `exec` the model-checker program.
- */
- static Session* fork(std::function<void(void)> code);
+ /** Ask to the application to check for a deadlock. If so, do an error message and throw a DeadlockError. */
+ void check_deadlock() const;
- /** Create a session using `execv` */
- static Session* spawnv(const char *path, char *const argv[]);
+ void log_state() const;
- /** Create a session using `execvp` */
- static Session* spawnvp(const char *path, char *const argv[]);
+ void get_actors_status(std::map<aid_t, ActorState>& whereto);
};
-
-// Temporary
-extern simgrid::mc::Session* session;
-
-}
-}
+} // namespace simgrid::mc
#endif