Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/toolkit/components/backgroundhangmonitor/HangAnnotations.h b/toolkit/components/backgroundhangmonitor/HangAnnotations.h
new file mode 100644
index 0000000000..35a7be70f9
--- /dev/null
+++ b/toolkit/components/backgroundhangmonitor/HangAnnotations.h
@@ -0,0 +1,71 @@
+/* -*- 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_HangAnnotations_h
+#define mozilla_HangAnnotations_h
+
+#include <set>
+
+#include "mozilla/HangTypes.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/Mutex.h"
+#include "mozilla/Vector.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "mozilla/ipc/IPDLParamTraits.h"
+
+namespace mozilla {
+
+/**
+ * This class extends nsTArray<HangAnnotation> with some methods for adding
+ * annotations being reported by a registered hang Annotator.
+ */
+class BackgroundHangAnnotations : public nsTArray<HangAnnotation> {
+ public:
+  void AddAnnotation(const nsString& aName, const int32_t aData);
+  void AddAnnotation(const nsString& aName, const double aData);
+  void AddAnnotation(const nsString& aName, const nsString& aData);
+  void AddAnnotation(const nsString& aName, const nsCString& aData);
+  void AddAnnotation(const nsString& aName, const bool aData);
+};
+
+class BackgroundHangAnnotator {
+ public:
+  /**
+   * NB: This function is always called by the BackgroundHangMonitor thread.
+   *     Plan accordingly.
+   */
+  virtual void AnnotateHang(BackgroundHangAnnotations& aAnnotations) = 0;
+};
+
+class BackgroundHangAnnotators {
+ public:
+  BackgroundHangAnnotators();
+  ~BackgroundHangAnnotators();
+
+  bool Register(BackgroundHangAnnotator& aAnnotator);
+  bool Unregister(BackgroundHangAnnotator& aAnnotator);
+
+  BackgroundHangAnnotations GatherAnnotations();
+
+ private:
+  Mutex mMutex;
+  std::set<BackgroundHangAnnotator*> mAnnotators;
+};
+
+namespace ipc {
+
+template <>
+struct IPDLParamTraits<mozilla::BackgroundHangAnnotations>
+    : public IPDLParamTraits<nsTArray<mozilla::HangAnnotation>> {
+  typedef mozilla::BackgroundHangAnnotations paramType;
+};
+
+}  // namespace ipc
+
+}  // namespace mozilla
+
+#endif  // mozilla_HangAnnotations_h