26 lines
815 B
C++
26 lines
815 B
C++
// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TRACE_EVENT_TRACE_ID_HELPER_H_
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#define BASE_TRACE_EVENT_TRACE_ID_HELPER_H_
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#include <cstdint>
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#include "base/base_export.h"
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namespace base {
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namespace trace_event {
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// Returns an globally-unique id which can be used as a flow id or async event
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// id. This is fast (powered by an memory-order-relaxed atomic int), so use this
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// function instead of implementing your own counter and hashing it with a
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// random value. However, consider using TRACE_ID_LOCAL(this) to avoid storing
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// additional data if possible.
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BASE_EXPORT uint64_t GetNextGlobalTraceId();
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} // namespace trace_event
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} // namespace base
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#endif // BASE_TRACE_EVENT_TRACE_ID_HELPER_H_
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