From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../backgroundhangmonitor/HangAnnotations.cpp      | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 toolkit/components/backgroundhangmonitor/HangAnnotations.cpp

(limited to 'toolkit/components/backgroundhangmonitor/HangAnnotations.cpp')

diff --git a/toolkit/components/backgroundhangmonitor/HangAnnotations.cpp b/toolkit/components/backgroundhangmonitor/HangAnnotations.cpp
new file mode 100644
index 0000000000..a8093c4781
--- /dev/null
+++ b/toolkit/components/backgroundhangmonitor/HangAnnotations.cpp
@@ -0,0 +1,89 @@
+/* -*- 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 "mozilla/HangAnnotations.h"
+
+#include <vector>
+
+#include "MainThreadUtils.h"
+#include "mozilla/DebugOnly.h"
+#include "nsXULAppAPI.h"
+#include "mozilla/BackgroundHangMonitor.h"
+
+namespace mozilla {
+
+void BackgroundHangAnnotations::AddAnnotation(const nsString& aName,
+                                              const int32_t aData) {
+  nsAutoString dataString;
+  dataString.AppendInt(aData);
+  AppendElement(HangAnnotation(aName, dataString));
+}
+
+void BackgroundHangAnnotations::AddAnnotation(const nsString& aName,
+                                              const double aData) {
+  nsAutoString dataString;
+  dataString.AppendFloat(aData);
+  AppendElement(HangAnnotation(aName, dataString));
+}
+
+void BackgroundHangAnnotations::AddAnnotation(const nsString& aName,
+                                              const nsString& aData) {
+  AppendElement(HangAnnotation(aName, aData));
+}
+
+void BackgroundHangAnnotations::AddAnnotation(const nsString& aName,
+                                              const nsCString& aData) {
+  NS_ConvertUTF8toUTF16 dataString(aData);
+  AppendElement(HangAnnotation(aName, dataString));
+}
+
+void BackgroundHangAnnotations::AddAnnotation(const nsString& aName,
+                                              const bool aData) {
+  if (aData) {
+    AppendElement(HangAnnotation(aName, u"true"_ns));
+  } else {
+    AppendElement(HangAnnotation(aName, u"false"_ns));
+  }
+}
+
+BackgroundHangAnnotators::BackgroundHangAnnotators()
+    : mMutex("BackgroundHangAnnotators::mMutex") {
+  MOZ_COUNT_CTOR(BackgroundHangAnnotators);
+}
+
+BackgroundHangAnnotators::~BackgroundHangAnnotators() {
+  MOZ_ASSERT(mAnnotators.empty());
+  MOZ_COUNT_DTOR(BackgroundHangAnnotators);
+}
+
+bool BackgroundHangAnnotators::Register(BackgroundHangAnnotator& aAnnotator) {
+  MutexAutoLock lock(mMutex);
+  auto result = mAnnotators.insert(&aAnnotator);
+  return result.second;
+}
+
+bool BackgroundHangAnnotators::Unregister(BackgroundHangAnnotator& aAnnotator) {
+  MutexAutoLock lock(mMutex);
+  DebugOnly<std::set<BackgroundHangAnnotator*>::size_type> numErased;
+  numErased = mAnnotators.erase(&aAnnotator);
+  MOZ_ASSERT(numErased == 1);
+  return mAnnotators.empty();
+}
+
+BackgroundHangAnnotations BackgroundHangAnnotators::GatherAnnotations() {
+  BackgroundHangAnnotations annotations;
+  {  // Scope for lock
+    MutexAutoLock lock(mMutex);
+    for (std::set<BackgroundHangAnnotator*>::iterator i = mAnnotators.begin(),
+                                                      e = mAnnotators.end();
+         i != e; ++i) {
+      (*i)->AnnotateHang(annotations);
+    }
+  }
+  return annotations;
+}
+
+}  // namespace mozilla
-- 
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