X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d0db566319780080d97b6b0e66717959b42ff228..a511865336e83ac3654632265ed00b8f0bf0eccc:/src/mc/Client.cpp

diff --git a/src/mc/Client.cpp b/src/mc/Client.cpp
index 38ebb687ab..cf7398d255 100644
--- a/src/mc/Client.cpp
+++ b/src/mc/Client.cpp
@@ -14,15 +14,18 @@
 #include <xbt/log.h>
 #include <xbt/sysdep.h>
 #include <xbt/mmalloc.h>
+#include <xbt/swag.h>
+
+#include <simgrid/modelchecker.h>
 
 #include "src/internal_config.h"
 
 #include "src/mc/mc_protocol.h"
 #include "src/mc/Client.hpp"
+#include "src/mc/mc_request.h"
 
 // We won't need those once the separation MCer/MCed is complete:
 #include "src/mc/mc_ignore.h"
-#include "src/mc/mc_private.h" // MC_deadlock_check()
 #include "src/mc/mc_smx.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_client, mc, "MC client logic");
@@ -43,10 +46,7 @@ Client* Client::initialize()
   if (client_)
     return client_.get();
 
-  // Check and set the mode:
-  if (mc_mode != MC_MODE_NONE)
-    abort();
-  mc_mode = MC_MODE_CLIENT;
+  _sg_do_model_check = 1;
 
   // Fetch socket from MC_ENV_SOCKET_FD:
   char* fd_env = std::getenv(MC_ENV_SOCKET_FD);
@@ -67,7 +67,7 @@ Client* Client::initialize()
   client_ = std::unique_ptr<Client>(new simgrid::mc::Client(fd));
 
   // Wait for the model-checker:
-  if (ptrace(PTRACE_TRACEME, 0, nullptr, NULL) == -1 || raise(SIGSTOP) != 0)
+  if (ptrace(PTRACE_TRACEME, 0, nullptr, nullptr) == -1 || raise(SIGSTOP) != 0)
     xbt_die("Could not wait for the model-checker");
 
   client_->handleMessages();
@@ -93,10 +93,22 @@ void Client::handleMessages()
 
     case MC_MESSAGE_DEADLOCK_CHECK:
       {
-        int result = MC_deadlock_check();
+        // Check deadlock:
+        bool deadlock = false;
+        smx_process_t process;
+        if (xbt_swag_size(simix_global->process_list)) {
+          deadlock = true;
+          xbt_swag_foreach(process, simix_global->process_list)
+            if (simgrid::mc::process_is_enabled(process)) {
+              deadlock = false;
+              break;
+            }
+        }
+
+        // Send result:
         s_mc_int_message_t answer;
         answer.type = MC_MESSAGE_DEADLOCK_CHECK_REPLY;
-        answer.value = result;
+        answer.value = deadlock;
         if (channel_.send(answer))
           xbt_die("Could not send response");
       }
@@ -131,8 +143,7 @@ void Client::handleMessages()
       break;
 
     default:
-      xbt_die("%s received unexpected message %s (%i)",
-        MC_mode_name(mc_mode),
+      xbt_die("Received unexpected message %s (%i)",
         MC_message_type_name(message.type),
         message.type
       );
@@ -143,10 +154,10 @@ void Client::handleMessages()
 void Client::mainLoop(void)
 {
   while (1) {
+    simgrid::mc::wait_for_requests();
     if (channel_.send(MC_MESSAGE_WAITING))
       xbt_die("Could not send WAITING mesage to model-checker");
     this->handleMessages();
-    simgrid::mc::wait_for_requests();
   }
 }