gecko-dev/xpcom/base/DebuggerOnGCRunnable.cpp
2020-04-08 10:12:33 +00:00

52 lines
1.4 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 <utility>
#include "js/Debug.h"
#include "mozilla/CycleCollectedJSContext.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/SchedulerGroup.h"
namespace mozilla {
/* static */
nsresult DebuggerOnGCRunnable::Enqueue(JSContext* aCx,
const JS::GCDescription& aDesc) {
auto gcEvent = aDesc.toGCEvent(aCx);
if (!gcEvent) {
return NS_ERROR_OUT_OF_MEMORY;
}
RefPtr<DebuggerOnGCRunnable> runOnGC =
new DebuggerOnGCRunnable(std::move(gcEvent));
if (NS_IsMainThread()) {
return SchedulerGroup::Dispatch(TaskCategory::GarbageCollection,
runOnGC.forget());
} else {
return NS_DispatchToCurrentThread(runOnGC);
}
}
NS_IMETHODIMP
DebuggerOnGCRunnable::Run() {
dom::AutoJSAPI jsapi;
jsapi.Init();
if (!JS::dbg::FireOnGarbageCollectionHook(jsapi.cx(), std::move(mGCData))) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
nsresult DebuggerOnGCRunnable::Cancel() {
mGCData = nullptr;
return NS_OK;
}
} // namespace mozilla