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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/browser_process_sub_thread.h"
#include "base/debug/leak_tracker.h"
#include "base/threading/thread_restrictions.h"
#include "build/build_config.h"
#include "content/browser/browser_child_process_host_impl.h"
#include "content/browser/notification_service_impl.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_request.h"
#if defined(OS_WIN)
#include "base/win/scoped_com_initializer.h"
#endif
namespace content {
BrowserProcessSubThread::BrowserProcessSubThread(BrowserThread::ID identifier)
: BrowserThreadImpl(identifier) {
}
BrowserProcessSubThread::~BrowserProcessSubThread() {
Stop();
}
void BrowserProcessSubThread::Init() {
#if defined(OS_WIN)
com_initializer_.reset(new base::win::ScopedCOMInitializer());
#endif
notification_service_.reset(new NotificationServiceImpl());
BrowserThreadImpl::Init();
if (BrowserThread::CurrentlyOn(BrowserThread::IO)) {
// Though this thread is called the "IO" thread, it actually just routes
// messages around; it shouldn't be allowed to perform any blocking disk
// I/O.
base::ThreadRestrictions::SetIOAllowed(false);
base::ThreadRestrictions::DisallowWaiting();
}
}
void BrowserProcessSubThread::CleanUp() {
if (BrowserThread::CurrentlyOn(BrowserThread::IO))
IOThreadPreCleanUp();
BrowserThreadImpl::CleanUp();
notification_service_.reset();
#if defined(OS_WIN)
com_initializer_.reset();
#endif
}
void BrowserProcessSubThread::IOThreadPreCleanUp() {
// Kill all things that might be holding onto
// net::URLRequest/net::URLRequestContexts.
// Destroy all URLRequests started by URLFetchers.
net::URLFetcher::CancelAll();
#if !defined(OS_IOS)
// If any child processes are still running, terminate them and
// and delete the BrowserChildProcessHost instances to release whatever
// IO thread only resources they are referencing.
BrowserChildProcessHostImpl::TerminateAll();
#endif // !defined(OS_IOS)
}
} // namespace content
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