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)#ifndef TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace forwarder2 { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Helper class used to create a unix pipe that sends notifications to the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |receiver_fd_| file descriptor when called |Notify()|. This should be used 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// by the main thread to notify other threads that it must exit. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The |receiver_fd_| can be put into a fd_set and used in a select together 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// with a socket waiting to accept or read. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PipeNotifier { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PipeNotifier(); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~PipeNotifier(); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Notify(); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int receiver_fd() const { return receiver_fd_; } 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void Reset(); 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int sender_fd_; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int receiver_fd_; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(PipeNotifier); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace forwarder 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_ 38