gecko-dev/dom/base/TimeoutBudgetManager.cpp

38 строки
1.1 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 "TimeoutBudgetManager.h"
#include "mozilla/dom/Timeout.h"
namespace mozilla {
namespace dom {
/* static */ TimeoutBudgetManager& TimeoutBudgetManager::Get() {
static TimeoutBudgetManager gTimeoutBudgetManager;
return gTimeoutBudgetManager;
}
void TimeoutBudgetManager::StartRecording(const TimeStamp& aNow) {
mStart = aNow;
}
void TimeoutBudgetManager::StopRecording() { mStart = TimeStamp(); }
TimeDuration TimeoutBudgetManager::RecordExecution(const TimeStamp& aNow,
const Timeout* aTimeout) {
if (!mStart) {
// If we've started a sync operation mStart might be null, in
// which case we should not record this piece of execution.
return TimeDuration();
}
return aNow - mStart;
}
} // namespace dom
} // namespace mozilla