gecko/xpcom/base/DebuggerOnGCRunnable.cpp
Nick Fitzgerald 3abd34129d Bug 1150253 - Part 2: Gecko should provide a callback for SpiderMonkey to
enqueue the onGarbageCollection hook runnable; r=mccr8
2015-04-22 09:43:02 -07:00

48 lines
1.2 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/DebuggerOnGCRunnable.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/CycleCollectedJSRuntime.h"
#include "mozilla/Move.h"
#include "js/Debug.h"
namespace mozilla {
/* static */ NS_METHOD
DebuggerOnGCRunnable::Enqueue(JSRuntime* aRt, const JS::GCDescription& aDesc)
{
auto gcEvent = aDesc.toGCEvent(aRt);
if (!gcEvent) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsRefPtr<DebuggerOnGCRunnable> runOnGC =
new DebuggerOnGCRunnable(Move(gcEvent));
return NS_DispatchToCurrentThread(runOnGC);
}
NS_IMETHODIMP
DebuggerOnGCRunnable::Run()
{
AutoJSAPI jsapi;
jsapi.Init();
if (!JS::dbg::FireOnGarbageCollectionHook(jsapi.cx(), Move(mGCData))) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
DebuggerOnGCRunnable::Cancel()
{
mGCData = nullptr;
return NS_OK;
}
} // namespace mozilla