fix 2nd hang

Signed-off-by: Tikhomirova, Kseniya <[email protected]>

Author: KseniyaTikhomirova

sycl/source/detail/event_impl.cpp

@@ -138,6 +138,7 @@ const AdapterPtr &event_impl::getAdapter() {
 void event_impl::setStateIncomplete() { MState = HES_NotComplete; }
 
 void event_impl::setContextImpl(const ContextImplPtr &Context) {
+  MIsHostEvent = Context == nullptr;
   MContext = Context;
 }
 

sycl/source/detail/scheduler/commands.cpp

@@ -928,8 +928,9 @@ bool Command::enqueue(EnqueueResultT &EnqueueResult, BlockingT Blocking,
         EnqueueResultT(EnqueueResultT::SyclEnqueueFailed, this, Res);
   else {
     MEvent->setEnqueued();
+    // Host task is protected by MShouldCompleteEventIfPossible = false
     if (MShouldCompleteEventIfPossible && !MEvent->isDiscarded() &&
-        (MEvent->getHandle() == nullptr))
+        (MEvent->isHost() || MEvent->getHandle() == nullptr))
       MEvent->setComplete();
 
     // Consider the command is successfully enqueued if return code is