gecko-dev/dom/workers/WorkerHolder.cpp

61 строка
1.3 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 "WorkerHolder.h"
#include "WorkerPrivate.h"
BEGIN_WORKERS_NAMESPACE
WorkerHolder::WorkerHolder()
: mWorkerPrivate(nullptr)
{
}
WorkerHolder::~WorkerHolder()
{
NS_ASSERT_OWNINGTHREAD(WorkerHolder);
ReleaseWorkerInternal();
MOZ_ASSERT(mWorkerPrivate == nullptr);
}
bool
WorkerHolder::HoldWorker(WorkerPrivate* aWorkerPrivate)
{
NS_ASSERT_OWNINGTHREAD(WorkerHolder);
MOZ_ASSERT(aWorkerPrivate);
aWorkerPrivate->AssertIsOnWorkerThread();
if (!aWorkerPrivate->AddHolder(this)) {
return false;
}
mWorkerPrivate = aWorkerPrivate;
return true;
}
void
WorkerHolder::ReleaseWorker()
{
NS_ASSERT_OWNINGTHREAD(WorkerHolder);
MOZ_ASSERT(mWorkerPrivate);
ReleaseWorkerInternal();
}
void
WorkerHolder::ReleaseWorkerInternal()
{
NS_ASSERT_OWNINGTHREAD(WorkerHolder);
if (mWorkerPrivate) {
mWorkerPrivate->AssertIsOnWorkerThread();
mWorkerPrivate->RemoveHolder(this);
mWorkerPrivate = nullptr;
}
}
END_WORKERS_NAMESPACE