зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
1.7 KiB
C++
82 строки
1.7 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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BEGIN_WORKERS_NAMESPACE
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namespace {
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void
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AssertOnOwningThread(void* aThread)
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{
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if (MOZ_UNLIKELY(aThread != GetCurrentVirtualThread())) {
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MOZ_CRASH_UNSAFE_OOL("WorkerHolder on the wrong thread.");
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}
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}
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} // anonymous
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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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{
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}
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WorkerHolder::~WorkerHolder()
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{
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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
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WorkerHolder::HoldWorker(WorkerPrivate* aWorkerPrivate, Status aFailStatus)
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{
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AssertOnOwningThread(mThread);
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MOZ_ASSERT(aWorkerPrivate);
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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
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WorkerHolder::ReleaseWorker()
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{
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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
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WorkerHolder::GetBehavior() const
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{
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return mBehavior;
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}
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void
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WorkerHolder::ReleaseWorkerInternal()
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{
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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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END_WORKERS_NAMESPACE
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