1 files changed, 66 insertions, 0 deletions
diff --git a/extensions/source/ole/olethread.cxx b/extensions/source/ole/olethread.cxx
new file mode 100644
index 000000000..1580c0b7d
--- /dev/null
+++ b/extensions/source/ole/olethread.cxx
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "ole2uno.hxx"
+
+#include <comphelper/windowserrorstring.hxx>
+#include <osl/thread.hxx>
+#include <sal/log.hxx>
+
+void o2u_attachCurrentThread()
+{
+    static osl::ThreadData oleThreadData;
+
+    if (!bool(reinterpret_cast<sal_IntPtr>(oleThreadData.getData())))
+    {
+        HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
+        if (!SUCCEEDED(hr))
+        {   // FIXME: is it a problem that this ends up in STA currently?
+            assert(RPC_E_CHANGED_MODE == hr);
+            // Let's find out explicitly what apartment mode we are in.
+            SAL_WARN("extensions.olebridge", "CoInitializeEx failed"
+                     << (hr == RPC_E_CHANGED_MODE ? " (expectedly)" : "")
+                     << ": " << WindowsErrorStringFromHRESULT(hr));
+            APTTYPE nAptType;
+            APTTYPEQUALIFIER nAptTypeQualifier;
+            if (SUCCEEDED(CoGetApartmentType(&nAptType, &nAptTypeQualifier)))
+            {
+                SAL_WARN("extensions.olebridge",
+                         "  Thread is in a "
+                         << (nAptType == APTTYPE_STA ? OUString("single-threaded") :
+                             (nAptType == APTTYPE_MTA ? OUString("multi-threaded") :
+                              (nAptType == APTTYPE_NA ? OUString("neutral") :
+                               (nAptType == APTTYPE_MAINSTA ? OUString("main single-threaded") :
+                                ("unknown (") + OUString::number(nAptType) + ")"))))
+                         << " apartment"
+                         << (nAptTypeQualifier == APTTYPEQUALIFIER_NONE ? OUString() :
+                             (nAptTypeQualifier == APTTYPEQUALIFIER_IMPLICIT_MTA ? OUString(" (implicit)") :
+                              (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_MTA ? OUString(" (on MTA)") :
+                               (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_STA ? OUString(" (on STA)") :
+                                (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_IMPLICIT_MTA ? OUString(" (on implicit MTA)") :
+                                 (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_MAINSTA ? OUString(" (on main STA)") :
+                                  (" (with unknown qualifier (" + OUString::number(nAptTypeQualifier) + "))")))))))
+                         << ".");
+            }
+        }
+        oleThreadData.setData(reinterpret_cast<void*>(true));
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */