Revision b9887ca5141bae4a31481f33c3411a0e551b894d authored by ffxbld on 21 March 2017, 15:13:34 UTC, committed by ffxbld on 21 March 2017, 15:13:34 UTC
1 parent 92c934b
nsCacheUtils.cpp
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 "nsCache.h"
#include "nsCacheUtils.h"
#include "nsThreadUtils.h"
using namespace mozilla;
class nsDestroyThreadEvent : public Runnable {
public:
explicit nsDestroyThreadEvent(nsIThread *thread)
: mThread(thread)
{}
NS_IMETHOD Run() override
{
mThread->Shutdown();
return NS_OK;
}
private:
nsCOMPtr<nsIThread> mThread;
};
nsShutdownThread::nsShutdownThread(nsIThread *aThread)
: mMonitor("nsShutdownThread.mMonitor")
, mShuttingDown(false)
, mThread(aThread)
{
}
nsShutdownThread::~nsShutdownThread()
{
}
nsresult
nsShutdownThread::Shutdown(nsIThread *aThread)
{
nsresult rv;
RefPtr<nsDestroyThreadEvent> ev = new nsDestroyThreadEvent(aThread);
rv = NS_DispatchToMainThread(ev);
if (NS_FAILED(rv)) {
NS_WARNING("Dispatching event in nsShutdownThread::Shutdown failed!");
}
return rv;
}
nsresult
nsShutdownThread::BlockingShutdown(nsIThread *aThread)
{
nsresult rv;
RefPtr<nsShutdownThread> st = new nsShutdownThread(aThread);
nsCOMPtr<nsIThread> workerThread;
rv = NS_NewNamedThread("thread shutdown", getter_AddRefs(workerThread));
if (NS_FAILED(rv)) {
NS_WARNING("Can't create nsShutDownThread worker thread!");
return rv;
}
{
MonitorAutoLock mon(st->mMonitor);
rv = workerThread->Dispatch(st, NS_DISPATCH_NORMAL);
if (NS_FAILED(rv)) {
NS_WARNING(
"Dispatching event in nsShutdownThread::BlockingShutdown failed!");
} else {
st->mShuttingDown = true;
while (st->mShuttingDown) {
mon.Wait();
}
}
}
return Shutdown(workerThread);
}
NS_IMETHODIMP
nsShutdownThread::Run()
{
MonitorAutoLock mon(mMonitor);
mThread->Shutdown();
mShuttingDown = false;
mon.Notify();
return NS_OK;
}
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