Add m-esr52 at 52.6.0

1 files changed, 46 insertions, 0 deletions

diff --git a/gfx/ipc/VsyncIOThreadHolder.cpp b/gfx/ipc/VsyncIOThreadHolder.cpp
new file mode 100644
index 000000000..8730b7213
--- /dev/null
+++ b/gfx/ipc/VsyncIOThreadHolder.cpp
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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/. */
+
+#include "VsyncIOThreadHolder.h"
+
+namespace mozilla {
+namespace gfx {
+
+VsyncIOThreadHolder::VsyncIOThreadHolder()
+{
+  MOZ_COUNT_CTOR(VsyncIOThreadHolder);
+}
+
+VsyncIOThreadHolder::~VsyncIOThreadHolder()
+{
+  MOZ_COUNT_DTOR(VsyncIOThreadHolder);
+
+  if (!mThread) {
+    return;
+  }
+
+  if (NS_IsMainThread()) {
+    mThread->AsyncShutdown();
+  } else {
+    NS_DispatchToMainThread(NewRunnableMethod(mThread, &nsIThread::AsyncShutdown));
+  }
+}
+
+bool
+VsyncIOThreadHolder::Start()
+{
+  nsresult rv = NS_NewNamedThread("VsyncIOThread", getter_AddRefs(mThread));
+  return NS_SUCCEEDED(rv);
+}
+
+RefPtr<nsIThread>
+VsyncIOThreadHolder::GetThread() const
+{
+  return mThread;
+}
+
+} // namespace gfx
+} // namespace mozilla