gecko-dev/toolkit/components/backgroundhangmonitor/HangAnnotations.cpp

103 строки
2.6 KiB
C++

/* -*- 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, NS_LITERAL_STRING("true")));
} else {
AppendElement(HangAnnotation(aName, NS_LITERAL_STRING("false")));
}
}
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