meso: Implement ConnectLight

mesosphere/source/processes/KLightSession.cpp

@@ -1,4 +1,5 @@
 #include <mesosphere/processes/KLightSession.hpp>
+#include <mesosphere/processes/KPort.hpp>
 #include <mesosphere/core/KCoreContext.hpp>
 
 namespace mesosphere
@@ -8,14 +9,24 @@ KLightSession::~KLightSession()
 {
 }
 
-Result KLightSession::Initialize()
+Result KLightSession::Initialize(KPort *parentPort)
 {
     SetClientServerParent();
     isClientAlive = true;
     isServerAlive = true;
 
     SetResourceOwner(KCoreContext::GetCurrentInstance().GetCurrentProcess());
-    return ResultSuccess();
+
+    if (parentPort == nullptr) {
+        return ResultSuccess();
+    } else {
+        // Another difference with official kernel: if adding the session fails, the session isn't added to allocator set (since it'll be deleted right away).
+        Result res = parentPort->AddLightServerSession(server);
+        if (res.IsSuccess()) {
+            client.parentClientPort = &parentPort->GetClient(); 
+        }
+        return res;
+    }
 }
 
 void KLightSession::Terminate(bool fromServer)