зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
1.8 KiB
C++
72 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "WorkerHolder.h"
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#include "WorkerPrivate.h"
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namespace mozilla {
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namespace dom {
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namespace {
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void AssertOnOwningThread(void* aThread) {
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if (MOZ_UNLIKELY(aThread != GetCurrentVirtualThread())) {
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MOZ_CRASH_UNSAFE("WorkerHolder on the wrong thread.");
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}
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}
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} // namespace
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WorkerHolder::WorkerHolder(const char* aName, Behavior aBehavior)
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: mWorkerPrivate(nullptr),
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mBehavior(aBehavior),
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mThread(GetCurrentVirtualThread()),
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mName(aName) {}
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WorkerHolder::~WorkerHolder() {
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AssertOnOwningThread(mThread);
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ReleaseWorkerInternal();
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MOZ_ASSERT(mWorkerPrivate == nullptr);
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}
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bool WorkerHolder::HoldWorker(WorkerPrivate* aWorkerPrivate,
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WorkerStatus aFailStatus) {
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AssertOnOwningThread(mThread);
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MOZ_ASSERT(aWorkerPrivate);
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MOZ_ASSERT(aFailStatus >= Canceling);
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aWorkerPrivate->AssertIsOnWorkerThread();
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if (!aWorkerPrivate->AddHolder(this, aFailStatus)) {
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return false;
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}
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mWorkerPrivate = aWorkerPrivate;
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return true;
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}
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void WorkerHolder::ReleaseWorker() {
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AssertOnOwningThread(mThread);
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MOZ_ASSERT(mWorkerPrivate);
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ReleaseWorkerInternal();
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}
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WorkerHolder::Behavior WorkerHolder::GetBehavior() const { return mBehavior; }
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void WorkerHolder::ReleaseWorkerInternal() {
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AssertOnOwningThread(mThread);
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if (mWorkerPrivate) {
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mWorkerPrivate->AssertIsOnWorkerThread();
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mWorkerPrivate->RemoveHolder(this);
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mWorkerPrivate = nullptr;
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}
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}
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} // namespace dom
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} // namespace mozilla
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