event* socket_event_;
event* signal_event_;
std::unique_ptr<event_base, decltype(&event_base_free)> base_{nullptr, &event_base_free};
- std::unique_ptr<RemoteProcessMemory> remote_memory_;
Channel channel_;
bool running_ = false;
pid_t pid_;
+ // When forking (no meminfo), the real app is our grandchild. In this case,
+ // child_checker_ is a CheckerSide to our child that can waitpid our grandchild on our behalf
+ CheckerSide* child_checker_ = nullptr;
- void setup_events(); // Part of the initialization
- void clear_memory_cache();
- void handle_waitpid();
+ void setup_events(bool socket_only); // Part of the initialization
+ void handle_dead_child(int status); // Launched when the dying child is the PID we follow
+ void handle_waitpid(); // Launched when receiving a sigchild
public:
- explicit CheckerSide(const std::vector<char*>& args, bool need_memory_introspection);
+ explicit CheckerSide(int socket, CheckerSide* child_checker);
+ explicit CheckerSide(const std::vector<char*>& args);
~CheckerSide();
// No copy:
void break_loop() const;
void wait_for_requests();
+ /* Create a new CheckerSide by forking the currently existing one, and connect it through the master_socket */
+ std::unique_ptr<CheckerSide> clone(int master_socket, const std::string& master_socket_name);
+
/** Ask the application to run post-mortem analysis, and maybe to stop ASAP */
void finalize(bool terminate_asap = false);
pid_t get_pid() const { return pid_; }
bool running() const { return running_; }
void terminate() { running_ = false; }
- RemoteProcessMemory* get_remote_memory() { return remote_memory_.get(); }
};
} // namespace simgrid::mc
