mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-19 19:29:32 +00:00
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* vim: set ts=4 sw=4 et 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 "jsfriendapi.h"
|
|
#include "nsContentUtils.h"
|
|
#include "CPOWTimer.h"
|
|
|
|
#include "jsapi.h"
|
|
|
|
CPOWTimer::CPOWTimer(JSContext* cx MOZ_GUARD_OBJECT_NOTIFIER_PARAM_IN_IMPL)
|
|
: cx_(nullptr)
|
|
, startInterval_(0)
|
|
{
|
|
MOZ_GUARD_OBJECT_NOTIFIER_INIT;
|
|
JSRuntime* runtime = JS_GetRuntime(cx);
|
|
if (!js::GetStopwatchIsMonitoringCPOW(runtime))
|
|
return;
|
|
cx_ = cx;
|
|
startInterval_ = JS_Now();
|
|
}
|
|
CPOWTimer::~CPOWTimer()
|
|
{
|
|
if (!cx_) {
|
|
// Monitoring was off when we started the timer.
|
|
return;
|
|
}
|
|
|
|
JSRuntime* runtime = JS_GetRuntime(cx_);
|
|
if (!js::GetStopwatchIsMonitoringCPOW(runtime)) {
|
|
// Monitoring has been deactivated while we were in the timer.
|
|
return;
|
|
}
|
|
|
|
const int64_t endInterval = JS_Now();
|
|
if (endInterval <= startInterval_) {
|
|
// Do not assume monotonicity.
|
|
return;
|
|
}
|
|
|
|
js::AddCPOWPerformanceDelta(runtime, endInterval - startInterval_);
|
|
}
|