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/* -*- 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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