From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/workers/WorkerHolder.cpp | 60 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 dom/workers/WorkerHolder.cpp

(limited to 'dom/workers/WorkerHolder.cpp')

diff --git a/dom/workers/WorkerHolder.cpp b/dom/workers/WorkerHolder.cpp
new file mode 100644
index 000000000..6383ae5a1
--- /dev/null
+++ b/dom/workers/WorkerHolder.cpp
@@ -0,0 +1,60 @@
+/* -*- 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/. */
+
+#include "WorkerHolder.h"
+#include "WorkerPrivate.h"
+
+BEGIN_WORKERS_NAMESPACE
+
+WorkerHolder::WorkerHolder()
+  : mWorkerPrivate(nullptr)
+{
+}
+
+WorkerHolder::~WorkerHolder()
+{
+  NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+  ReleaseWorkerInternal();
+  MOZ_ASSERT(mWorkerPrivate == nullptr);
+}
+
+bool
+WorkerHolder::HoldWorker(WorkerPrivate* aWorkerPrivate, Status aFailStatus)
+{
+  NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+  MOZ_ASSERT(aWorkerPrivate);
+  aWorkerPrivate->AssertIsOnWorkerThread();
+
+  if (!aWorkerPrivate->AddHolder(this, aFailStatus)) {
+    return false;
+  }
+
+  mWorkerPrivate = aWorkerPrivate;
+  return true;
+}
+
+void
+WorkerHolder::ReleaseWorker()
+{
+  NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+  MOZ_ASSERT(mWorkerPrivate);
+
+  ReleaseWorkerInternal();
+}
+
+void
+WorkerHolder::ReleaseWorkerInternal()
+{
+  NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+
+  if (mWorkerPrivate) {
+    mWorkerPrivate->AssertIsOnWorkerThread();
+    mWorkerPrivate->RemoveHolder(this);
+    mWorkerPrivate = nullptr;
+  }
+}
+
+END_WORKERS_NAMESPACE
-- 
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