1 files changed, 87 insertions, 0 deletions
diff --git a/xpcom/threads/SchedulerGroup.h b/xpcom/threads/SchedulerGroup.h
new file mode 100644
index 0000000000..76dbfb12f8
--- /dev/null
+++ b/xpcom/threads/SchedulerGroup.h
@@ -0,0 +1,87 @@
+/* -*- 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_SchedulerGroup_h
+#define mozilla_SchedulerGroup_h
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/TaskCategory.h"
+#include "mozilla/PerformanceCounter.h"
+#include "nsCOMPtr.h"
+#include "nsID.h"
+#include "nsIRunnable.h"
+#include "nsISupports.h"
+#include "nsStringFwd.h"
+#include "nsThreadUtils.h"
+#include "nscore.h"
+
+class nsIEventTarget;
+class nsIRunnable;
+class nsISerialEventTarget;
+
+namespace mozilla {
+class AbstractThread;
+namespace dom {
+class DocGroup;
+}  // namespace dom
+
+#define NS_SCHEDULERGROUPRUNNABLE_IID                \
+  {                                                  \
+    0xd31b7420, 0x872b, 0x4cfb, {                    \
+      0xa9, 0xc6, 0xae, 0x4c, 0x0f, 0x06, 0x36, 0x74 \
+    }                                                \
+  }
+
+class SchedulerGroup {
+ public:
+  class Runnable final : public mozilla::Runnable, public nsIRunnablePriority {
+   public:
+    Runnable(already_AddRefed<nsIRunnable>&& aRunnable,
+             mozilla::PerformanceCounter* aPerformanceCounter);
+
+    mozilla::PerformanceCounter* GetPerformanceCounter() const;
+
+#ifdef MOZ_COLLECTING_RUNNABLE_TELEMETRY
+    NS_IMETHOD GetName(nsACString& aName) override;
+#endif
+
+    NS_DECL_ISUPPORTS_INHERITED
+    NS_DECL_NSIRUNNABLE
+    NS_DECL_NSIRUNNABLEPRIORITY
+
+    NS_DECLARE_STATIC_IID_ACCESSOR(NS_SCHEDULERGROUPRUNNABLE_IID);
+
+   private:
+    friend class SchedulerGroup;
+
+    ~Runnable() = default;
+
+    nsCOMPtr<nsIRunnable> mRunnable;
+    RefPtr<mozilla::PerformanceCounter> mPerformanceCounter;
+  };
+  friend class Runnable;
+
+  static nsresult Dispatch(TaskCategory aCategory,
+                           already_AddRefed<nsIRunnable>&& aRunnable);
+
+  static nsresult UnlabeledDispatch(TaskCategory aCategory,
+                                    already_AddRefed<nsIRunnable>&& aRunnable);
+
+  static nsresult LabeledDispatch(
+      TaskCategory aCategory, already_AddRefed<nsIRunnable>&& aRunnable,
+      mozilla::PerformanceCounter* aPerformanceCounter);
+
+ protected:
+  static nsresult InternalUnlabeledDispatch(
+      TaskCategory aCategory, already_AddRefed<Runnable>&& aRunnable);
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(SchedulerGroup::Runnable,
+                              NS_SCHEDULERGROUPRUNNABLE_IID);
+
+}  // namespace mozilla
+
+#endif  // mozilla_SchedulerGroup_h