X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0b7d1f86375fc32d181c2ab574eed9dadee72db6..2889cfd6832bf3e721b22639f8ed06aef6da734a:/src/mc/ModelChecker.cpp

diff --git a/src/mc/ModelChecker.cpp b/src/mc/ModelChecker.cpp
index bc69fbe034..0b7eadf16a 100644
--- a/src/mc/ModelChecker.cpp
+++ b/src/mc/ModelChecker.cpp
@@ -30,7 +30,9 @@
 #include "src/mc/mc_private.h"
 #include "src/mc/mc_ignore.h"
 #include "src/mc/mc_exit.h"
-#include "src/mc/mc_liveness.h"
+#include "src/mc/mc_record.h"
+#include "src/mc/Transition.hpp"
+#include "src/mc/Checker.hpp"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_ModelChecker, mc, "ModelChecker");
 
@@ -111,16 +113,9 @@ void ModelChecker::start()
 
   process_->init();
 
-  /* Initialize statistics */
-  mc_stats = xbt_new0(s_mc_stats_t, 1);
-  mc_stats->state_size = 1;
-
   if ((_sg_mc_dot_output_file != nullptr) && (_sg_mc_dot_output_file[0] != '\0'))
     MC_init_dot_output();
 
-  /* Init parmap */
-  //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
-
   setup_ignore();
 
   ptrace(PTRACE_SETOPTIONS, pid, nullptr, PTRACE_O_TRACEEXIT);
@@ -176,7 +171,7 @@ void ModelChecker::resume(simgrid::mc::Process& process)
   int res = process.getChannel().send(MC_MESSAGE_CONTINUE);
   if (res)
     throw simgrid::xbt::errno_error(res);
-  process.cache_flags = (mc_process_cache_flags_t) 0;
+  process.clear_cache();
 }
 
 static
@@ -189,6 +184,40 @@ void throw_socket_error(int fd)
   throw simgrid::xbt::errno_error(errno);
 }
 
+static void MC_report_crash(int status)
+{
+  XBT_INFO("**************************");
+  XBT_INFO("** CRASH IN THE PROGRAM **");
+  XBT_INFO("**************************");
+  if (WIFSIGNALED(status))
+    XBT_INFO("From signal: %s", strsignal(WTERMSIG(status)));
+  else if (WIFEXITED(status))
+    XBT_INFO("From exit: %i", WEXITSTATUS(status));
+  if (WCOREDUMP(status))
+    XBT_INFO("A core dump was generated by the system.");
+  else
+    XBT_INFO("No core dump was generated by the system.");
+  XBT_INFO("Counter-example execution trace:");
+  simgrid::mc::dumpRecordPath();
+  for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
+    XBT_INFO("%s", s.c_str());
+  simgrid::mc::session->logState();
+  XBT_INFO("Stack trace:");
+  mc_model_checker->process().dumpStack();
+}
+
+static void MC_report_assertion_error(void)
+{
+  XBT_INFO("**************************");
+  XBT_INFO("*** PROPERTY NOT VALID ***");
+  XBT_INFO("**************************");
+  XBT_INFO("Counter-example execution trace:");
+  simgrid::mc::dumpRecordPath();
+  for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
+    XBT_INFO("%s", s.c_str());
+  simgrid::mc::session->logState();
+}
+
 bool ModelChecker::handle_message(char* buffer, ssize_t size)
 {
   s_mc_message_t base_message;
@@ -426,19 +455,38 @@ void ModelChecker::wait_client(simgrid::mc::Process& process)
       return;
 }
 
-void ModelChecker::simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value)
+void ModelChecker::handle_simcall(Transition const& transition)
 {
   s_mc_simcall_handle_message m;
   memset(&m, 0, sizeof(m));
   m.type  = MC_MESSAGE_SIMCALL_HANDLE;
-  m.pid   = pid;
-  m.value = value;
-  process.getChannel().send(m);
-  process.cache_flags = (mc_process_cache_flags_t) 0;
-  while (process.running())
+  m.pid   = transition.pid;
+  m.value = transition.argument;
+  this->process_->getChannel().send(m);
+  this->process_->clear_cache();
+  while (this->process_->running())
     if (!this->handle_events())
       return;
 }
 
+bool ModelChecker::checkDeadlock()
+{
+  int res;
+  if ((res = this->process().getChannel().send(MC_MESSAGE_DEADLOCK_CHECK)))
+    xbt_die("Could not check deadlock state");
+  s_mc_int_message_t message;
+  ssize_t s = mc_model_checker->process().getChannel().receive(message);
+  if (s == -1)
+    xbt_die("Could not receive message");
+  if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY)
+    xbt_die("%s received unexpected message %s (%i, size=%i) "
+      "expected MC_MESSAGE_DEADLOCK_CHECK_REPLY (%i, size=%i)",
+      MC_mode_name(mc_mode),
+      MC_message_type_name(message.type), (int) message.type, (int) s,
+      (int) MC_MESSAGE_DEADLOCK_CHECK_REPLY, (int) sizeof(message)
+      );
+  return message.value != 0;
+}
+
 }
 }