Merge branch 'master' of https://framagit.org/simgrid/simgrid

[simgrid.git] / src / mc / Session.cpp

diff --git a/src/mc/Session.cpp b/src/mc/Session.cpp
index 2ace38ce8735385327f13309383b9b3a68f70b12..f8d8819460d45ece9562f0adfaedc8064ea30e30 100644 (file)
--- a/src/mc/Session.cpp
+++ b/src/mc/Session.cpp
@@ -15,6 +15,9 @@
 #include "xbt/log.h"
 #include "xbt/system_error.hpp"
 
+#include <memory>
+#include <string>
+
 #include <fcntl.h>
 #ifdef __linux__
 #include <sys/prctl.h>
@@ -25,7 +28,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_Session, mc, "Model-checker session");
 namespace simgrid {
 namespace mc {
 
-static void run_child_process(int socket, const std::function<void()>& code)
+template <class Code> void run_child_process(int socket, Code code)
 {
   /* On startup, simix_global_init() calls simgrid::mc::Client::initialize(), which checks whether the MC_ENV_SOCKET_FD
    * env variable is set. If so, MC mode is assumed, and the client is setup from its side
@@ -48,10 +51,7 @@ static void run_child_process(int socket, const std::function<void()>& code)
   // modifying its .got.plt during snapshot.
   setenv("LC_BIND_NOW", "1", 1);
 
-  char buffer[64];
-  int res = std::snprintf(buffer, sizeof(buffer), "%i", socket);
-  xbt_assert((size_t)res < sizeof(buffer) && res != -1);
-  setenv(MC_ENV_SOCKET_FD, buffer, 1);
+  setenv(MC_ENV_SOCKET_FD, std::to_string(socket).c_str(), 1);
 
   code();
 }
@@ -64,7 +64,7 @@ Session::Session(const std::function<void()>& code)
              "Please use the dlopen privatization schema when model-checking SMPI code");
 #endif
 
-  // Create a AF_LOCAL socketpair used for exchanging messages
+  // Create an AF_LOCAL socketpair used for exchanging messages
   // between the model-checker process (ourselves) and the model-checked
   // process:
   int sockets[2];
@@ -85,8 +85,8 @@ Session::Session(const std::function<void()>& code)
 
   xbt_assert(mc_model_checker == nullptr, "Did you manage to start the MC twice in this process?");
 
-  auto process = std::unique_ptr<simgrid::mc::RemoteSimulation>(new simgrid::mc::RemoteSimulation(pid));
-  model_checker_.reset(new simgrid::mc::ModelChecker(std::move(process), sockets[1]));
+  auto process = std::make_unique<simgrid::mc::RemoteSimulation>(pid);
+  model_checker_ = std::make_unique<simgrid::mc::ModelChecker>(std::move(process), sockets[1]);
 
   mc_model_checker = model_checker_.get();
   model_checker_->start();
@@ -105,18 +105,18 @@ void Session::initialize()
   initial_snapshot_ = std::make_shared<simgrid::mc::Snapshot>(0);
 }
 
-void Session::execute(Transition const& transition)
+void Session::execute(Transition const& transition) const
 {
   model_checker_->handle_simcall(transition);
   model_checker_->wait_for_requests();
 }
 
-void Session::restore_initial_state()
+void Session::restore_initial_state() const
 {
   this->initial_snapshot_->restore(&model_checker_->get_remote_simulation());
 }
 
-void Session::log_state()
+void Session::log_state() const
 {
   model_checker_->getChecker()->log_state();
 
@@ -141,7 +141,7 @@ void Session::close()
   }
 }
 
-bool Session::actor_is_enabled(aid_t pid)
+bool Session::actor_is_enabled(aid_t pid) const
 {
   s_mc_message_actor_enabled_t msg{MC_MESSAGE_ACTOR_ENABLED, pid};
   model_checker_->channel().send(msg);