зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.1 KiB
C++
79 строки
2.1 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 "nsCache.h"
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#include "nsCacheUtils.h"
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#include "nsThreadUtils.h"
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using namespace mozilla;
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class nsDestroyThreadEvent : public Runnable {
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public:
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explicit nsDestroyThreadEvent(nsIThread* thread)
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: mozilla::Runnable("nsDestroyThreadEvent"), mThread(thread) {}
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NS_IMETHOD Run() override {
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mThread->Shutdown();
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return NS_OK;
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}
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private:
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nsCOMPtr<nsIThread> mThread;
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};
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nsShutdownThread::nsShutdownThread(nsIThread* aThread)
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: mozilla::Runnable("nsShutdownThread"),
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mMonitor("nsShutdownThread.mMonitor"),
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mShuttingDown(false),
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mThread(aThread) {}
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nsresult nsShutdownThread::Shutdown(nsIThread* aThread) {
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nsresult rv;
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RefPtr<nsDestroyThreadEvent> ev = new nsDestroyThreadEvent(aThread);
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rv = NS_DispatchToMainThread(ev);
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if (NS_FAILED(rv)) {
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NS_WARNING("Dispatching event in nsShutdownThread::Shutdown failed!");
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}
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return rv;
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}
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nsresult nsShutdownThread::BlockingShutdown(nsIThread* aThread) {
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nsresult rv;
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RefPtr<nsShutdownThread> st = new nsShutdownThread(aThread);
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nsCOMPtr<nsIThread> workerThread;
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rv = NS_NewNamedThread("thread shutdown", getter_AddRefs(workerThread));
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if (NS_FAILED(rv)) {
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NS_WARNING("Can't create nsShutDownThread worker thread!");
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return rv;
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}
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{
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MonitorAutoLock mon(st->mMonitor);
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rv = workerThread->Dispatch(st, NS_DISPATCH_NORMAL);
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if (NS_FAILED(rv)) {
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NS_WARNING(
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"Dispatching event in nsShutdownThread::BlockingShutdown failed!");
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} else {
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st->mShuttingDown = true;
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while (st->mShuttingDown) {
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mon.Wait();
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}
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}
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}
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return Shutdown(workerThread);
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}
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NS_IMETHODIMP
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nsShutdownThread::Run() {
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MonitorAutoLock mon(mMonitor);
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mThread->Shutdown();
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mShuttingDown = false;
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mon.Notify();
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return NS_OK;
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}
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