| // Copyright 2020 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. | |
| #include "trace.h" | |
| #include <zircon/process.h> | |
| #include <atomic> | |
| #include <mutex> | |
| namespace fs { | |
| std::atomic_uint32_t current_trace_id{0u}; | |
| uint64_t GenerateTraceId() { | |
| static zx_handle_t self_handle = zx_process_self(); | |
| return self_handle + (uint64_t{current_trace_id.fetch_add(1u, std::memory_order_relaxed)} << 32); | |
| } | |
| } // namespace fs |