1 files changed, 42 insertions, 0 deletions
diff --git a/ipc/mscom/MainThreadRuntime.h b/ipc/mscom/MainThreadRuntime.h
new file mode 100644
index 000000000..0e3e52c5f
--- /dev/null
+++ b/ipc/mscom/MainThreadRuntime.h
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_mscom_MainThreadRuntime_h
+#define mozilla_mscom_MainThreadRuntime_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/mscom/COMApartmentRegion.h"
+
+namespace mozilla {
+namespace mscom {
+
+class MOZ_NON_TEMPORARY_CLASS MainThreadRuntime
+{
+public:
+  MainThreadRuntime();
+
+  explicit operator bool() const
+  {
+    return mStaRegion.IsValidOutermost() && SUCCEEDED(mInitResult);
+  }
+
+  MainThreadRuntime(MainThreadRuntime&) = delete;
+  MainThreadRuntime(MainThreadRuntime&&) = delete;
+  MainThreadRuntime& operator=(MainThreadRuntime&) = delete;
+  MainThreadRuntime& operator=(MainThreadRuntime&&) = delete;
+
+private:
+  HRESULT InitializeSecurity();
+
+  STARegion mStaRegion;
+  HRESULT mInitResult;
+};
+
+} // namespace mscom
+} // namespace mozilla
+
+#endif // mozilla_mscom_MainThreadRuntime_h
+