X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3203ed1f4fb6f4617e94d5351661ba07e8b8f833..347996b4a10c4e8579080692afa60e0afb88b60a:/src/mc/ModelChecker.hpp diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp index c9e58d9efd..a90e1b4137 100644 --- a/src/mc/ModelChecker.hpp +++ b/src/mc/ModelChecker.hpp @@ -9,32 +9,34 @@ #include +#include +#include + #include #include #include +#include -#include "mc_forward.hpp" +#include "src/mc/mc_forward.hpp" #include "src/mc/Process.hpp" #include "src/mc/PageStore.hpp" -#include "mc_protocol.h" +#include "src/mc/mc_protocol.h" namespace simgrid { namespace mc { /** State of the model-checker (global variables for the model checker) - * - * Each part of the state of the model chercker represented as a global - * variable prevents some sharing between snapshots and must be ignored. - * By moving as much state as possible in this structure allocated - * on the model-checker heap, we avoid those issues. */ class ModelChecker { + pid_t pid_; + int socket_; + struct pollfd fds_[2]; /** String pool for host names */ // TODO, use std::unordered_set with heterogeneous comparison lookup (C++14) xbt_dict_t /* */ hostnames_; // This is the parent snapshot of the current state: PageStore page_store_; - Process process_; + std::unique_ptr process_; public: mc_snapshot_t parent_snapshot_; @@ -43,9 +45,10 @@ public: ModelChecker& operator=(ModelChecker const&) = delete; ModelChecker(pid_t pid, int socket); ~ModelChecker(); + Process& process() { - return process_; + return *process_; } PageStore& page_store() { @@ -57,6 +60,26 @@ public: { return &snapshot == this->parent_snapshot_; } + + void start(); + void init_process(); + void shutdown(); + void resume(simgrid::mc::Process& process); + void loop(); + bool handle_events(); + void wait_client(simgrid::mc::Process& process); + void simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value); + void wait_for_requests() + { + mc_model_checker->wait_client(mc_model_checker->process()); + } +private: + void setup_ignore(); + bool handle_message(char* buffer, ssize_t size); + void handle_signals(); + void handle_waitpid(); + void on_signal(const struct signalfd_siginfo* info); + }; }