1 files changed, 47 insertions, 0 deletions
diff --git a/xpcom/threads/TaskCategory.h b/xpcom/threads/TaskCategory.h
new file mode 100644
index 0000000000..8f189c8737
--- /dev/null
+++ b/xpcom/threads/TaskCategory.h
@@ -0,0 +1,47 @@
+/* -*- 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_TaskCategory_h
+#define mozilla_TaskCategory_h
+
+namespace mozilla {
+
+// The different kinds of tasks we can dispatch to a SystemGroup, TabGroup, or
+// DocGroup.
+enum class TaskCategory {
+  // User input (clicks, keypresses, etc.)
+  UI,
+
+  // Data from the network
+  Network,
+
+  // setTimeout, setInterval
+  Timer,
+
+  // Runnables posted from a worker to the main thread
+  Worker,
+
+  // requestIdleCallback
+  IdleCallback,
+
+  // Vsync notifications
+  RefreshDriver,
+
+  // GC/CC-related tasks
+  GarbageCollection,
+
+  // Most DOM events (postMessage, media, plugins)
+  Other,
+
+  // Runnables related to Performance Counting
+  Performance,
+
+  Count
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_TaskCategory_h