| // Copyright 2018 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #pragma once | |
| namespace debug_ipc { | |
| // Simple observer class for readable/writable state changes on some | |
| // communication or storage channel. | |
| class FDWatcher { | |
| public: | |
| virtual void OnFDReadable(int fd) {} | |
| virtual void OnFDWritable(int fd) {} | |
| virtual void OnFDError(int fd) {} | |
| }; | |
| } // namespace debug_ipc |