| // Copyright 2023 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. |
| |
| #ifndef SRC_GRAPHICS_DISPLAY_DRIVERS_COORDINATOR_CLIENT_ID_H_ |
| #define SRC_GRAPHICS_DISPLAY_DRIVERS_COORDINATOR_CLIENT_ID_H_ |
| |
| #include <cstdint> |
| |
| #include <fbl/strong_int.h> |
| |
| namespace display { |
| |
| // Typesafe unique identifier for an active Coordinator client connection. |
| // |
| // Each value is uniquely associated with one Coordinator client connection, |
| // throughout the Coordinator's entire lifetime. In other words, the Coordinator |
| // does not reuse ClientId values. |
| DEFINE_STRONG_INT(ClientId, uint64_t); |
| |
| // Sentinel value that will never be associated with a client connection. |
| constexpr ClientId kInvalidClientId(0); |
| |
| } // namespace display |
| |
| #endif // SRC_GRAPHICS_DISPLAY_DRIVERS_COORDINATOR_CLIENT_ID_H_ |
