forked from mirrors/gecko-dev
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/TestUtils.h"
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#include "mozilla/dom/TestUtilsBinding.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/WorkerCommon.h"
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#include "mozilla/dom/WorkerPrivate.h"
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#include "nsJSEnvironment.h"
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#include "xpcpublic.h"
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namespace mozilla::dom {
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already_AddRefed<Promise> TestUtils::Gc(const GlobalObject& aGlobal,
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ErrorResult& aRv) {
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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// TODO(krosylight): Ideally we could use nsJSContext::IncrementalGC to make
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// it actually async, but that's not required right now.
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NS_DispatchToCurrentThread(
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NS_NewCancelableRunnableFunction("TestUtils::Gc", [promise] {
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if (NS_IsMainThread()) {
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nsJSContext::GarbageCollectNow(JS::GCReason::DOM_TESTUTILS,
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nsJSContext::NonShrinkingGC);
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nsJSContext::CycleCollectNow(CCReason::API);
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} else {
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WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
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workerPrivate->GarbageCollectInternal(workerPrivate->GetJSContext(),
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false /* shrinking */,
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false /* collect children */);
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workerPrivate->CycleCollectInternal(false);
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}
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promise->MaybeResolveWithUndefined();
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}));
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return promise.forget();
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}
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} // namespace mozilla::dom
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