add EMode to WorkerTheadPool to avoid thread starvation (#492)

- Improvement: Add a new mode to worker thread pools to avoid starvation of workers which could cause long stalls due to other work begin queued up. UE-305498

1 files changed, 14 insertions, 12 deletions

diff --git a/src/zenhttp/transports/winsocktransport.cpp b/src/zenhttp/transports/winsocktransport.cpp
index 8c82760bb..c06a50c95 100644
--- a/src/zenhttp/transports/winsocktransport.cpp
+++ b/src/zenhttp/transports/winsocktransport.cpp
@@ -304,18 +304,20 @@ SocketTransportPluginImpl::Initialize(TransportServer* ServerInterface)
 				TransportServerConnection* ConnectionInterface{m_ServerInterface->CreateConnectionHandler(Connection)};
 				Connection->Initialize(ConnectionInterface, ClientSocket);
 
-				m_WorkerThreadpool->ScheduleWork([Connection] {
-					try
-					{
-						Connection->HandleConnection();
-					}
-					catch (const std::exception& Ex)
-					{
-						ZEN_WARN("exception caught in connection loop: {}", Ex.what());
-					}
-
-					delete Connection;
-				});
+				m_WorkerThreadpool->ScheduleWork(
+					[Connection] {
+						try
+						{
+							Connection->HandleConnection();
+						}
+						catch (const std::exception& Ex)
+						{
+							ZEN_WARN("exception caught in connection loop: {}", Ex.what());
+						}
+
+						delete Connection;
+					},
+					WorkerThreadPool::EMode::EnableBacklog);
 			}
 			else
 			{