Throw exception when comm was canceled.

[simgrid.git] / src / s4u / s4u_Comm.cpp

diff --git a/src/s4u/s4u_Comm.cpp b/src/s4u/s4u_Comm.cpp
index 50eaf00..c770e2c 100644 (file)
--- a/src/s4u/s4u_Comm.cpp
+++ b/src/s4u/s4u_Comm.cpp
@@ -6,6 +6,7 @@
 #include "src/msg/msg_private.hpp"
 #include "xbt/log.h"
 
+#include "simgrid/Exception.hpp"
 #include "simgrid/s4u/Comm.hpp"
 #include "simgrid/s4u/Mailbox.hpp"
 
@@ -167,6 +168,9 @@ Comm* Comm::wait_for(double timeout)
       state_ = State::FINISHED;
       return this;
 
+    case State::CANCELED:
+      throw CancelException(XBT_THROW_POINT, "Communication canceled");
+
     default:
       THROW_IMPOSSIBLE;
   }
@@ -193,7 +197,10 @@ Comm* Comm::detach()
 
 Comm* Comm::cancel()
 {
-  simgrid::simix::simcall([this] { static_cast<kernel::activity::CommImpl*>(pimpl_.get())->cancel(); });
+  simgrid::simix::simcall([this] {
+    if (pimpl_)
+      boost::static_pointer_cast<kernel::activity::CommImpl>(pimpl_)->cancel();
+  });
   state_ = State::CANCELED;
   return this;
 }