15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/browser_process_sub_thread.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/leak_tracker.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread_restrictions.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/browser_child_process_host_impl.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/notification_service_impl.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_fetcher.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_request.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/scoped_com_initializer.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BrowserProcessSubThread::BrowserProcessSubThread(BrowserThread::ID identifier) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : BrowserThreadImpl(identifier) { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BrowserProcessSubThread::~BrowserProcessSubThread() { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stop(); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void BrowserProcessSubThread::Init() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) com_initializer_.reset(new base::win::ScopedCOMInitializer()); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) notification_service_.reset(new NotificationServiceImpl()); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThreadImpl::Init(); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserThread::CurrentlyOn(BrowserThread::IO)) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Though this thread is called the "IO" thread, it actually just routes 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // messages around; it shouldn't be allowed to perform any blocking disk 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // I/O. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::ThreadRestrictions::SetIOAllowed(false); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::ThreadRestrictions::DisallowWaiting(); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void BrowserProcessSubThread::CleanUp() { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserThread::CurrentlyOn(BrowserThread::IO)) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IOThreadPreCleanUp(); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThreadImpl::CleanUp(); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) notification_service_.reset(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) com_initializer_.reset(); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void BrowserProcessSubThread::IOThreadPreCleanUp() { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Kill all things that might be holding onto 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // net::URLRequest/net::URLRequestContexts. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Destroy all URLRequests started by URLFetchers. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) net::URLFetcher::CancelAll(); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(OS_IOS) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If any child processes are still running, terminate them and 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and delete the BrowserChildProcessHost instances to release whatever 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IO thread only resources they are referencing. 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserChildProcessHostImpl::TerminateAll(); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // !defined(OS_IOS) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 76