shaka-packager/tools/android/forwarder2/pipe_notifier.h

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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.
#ifndef TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_
#define TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_
#include "base/basictypes.h"
namespace forwarder2 {
// Helper class used to create a unix pipe that sends notifications to the
// |receiver_fd_| file descriptor when called |Notify()|. This should be used
// by the main thread to notify other threads that it must exit.
// The |receiver_fd_| can be put into a fd_set and used in a select together
// with a socket waiting to accept or read.
class PipeNotifier {
public:
PipeNotifier();
~PipeNotifier();
bool Notify();
int receiver_fd() const { return receiver_fd_; }
private:
int sender_fd_;
int receiver_fd_;
DISALLOW_COPY_AND_ASSIGN(PipeNotifier);
};
} // namespace forwarder
#endif // TOOLS_ANDROID_FORWARDER2_PIPE_NOTIFIER_H_