1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "device/serial/async_waiter.h" 6 7namespace device { 8 9AsyncWaiter::AsyncWaiter(mojo::Handle handle, 10 MojoHandleSignals signals, 11 const Callback& callback) 12 : waiter_(mojo::Environment::GetDefaultAsyncWaiter()), 13 id_(0), 14 callback_(callback) { 15 id_ = waiter_->AsyncWait(handle.value(), 16 signals, 17 MOJO_DEADLINE_INDEFINITE, 18 &AsyncWaiter::WaitComplete, 19 this); 20} 21 22AsyncWaiter::~AsyncWaiter() { 23 if (id_) 24 waiter_->CancelWait(id_); 25} 26 27// static 28void AsyncWaiter::WaitComplete(void* waiter, MojoResult result) { 29 static_cast<AsyncWaiter*>(waiter)->WaitCompleteInternal(result); 30} 31 32void AsyncWaiter::WaitCompleteInternal(MojoResult result) { 33 id_ = 0; 34 callback_.Run(result); 35} 36 37} // namespace device 38