| // Copyright 2018 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 "ios/web/web_sub_thread.h" |
| |
| #include "base/threading/thread_restrictions.h" |
| #include "ios/web/public/web_thread.h" |
| #include "ios/web/web_thread_impl.h" |
| #include "net/url_request/url_fetcher.h" |
| |
| namespace web { |
| |
| WebSubThread::WebSubThread(WebThread::ID identifier) |
| : WebThreadImpl(identifier) {} |
| |
| WebSubThread::WebSubThread(WebThread::ID identifier, |
| base::MessageLoop* message_loop) |
| : WebThreadImpl(identifier, message_loop) {} |
| |
| WebSubThread::~WebSubThread() { |
| Stop(); |
| } |
| |
| void WebSubThread::Init() { |
| WebThreadImpl::Init(); |
| |
| if (WebThread::CurrentlyOn(WebThread::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::DisallowUnresponsiveTasks(); |
| } |
| } |
| |
| void WebSubThread::CleanUp() { |
| if (WebThread::CurrentlyOn(WebThread::IO)) |
| IOThreadPreCleanUp(); |
| |
| WebThreadImpl::CleanUp(); |
| } |
| |
| void WebSubThread::IOThreadPreCleanUp() { |
| // Kill all things that might be holding onto |
| // net::URLRequest/net::URLRequestContexts. |
| |
| // Destroy all URLRequests started by URLFetchers. |
| net::URLFetcher::CancelAll(); |
| } |
| |
| } // namespace web |