xref: /aosp_15_r20/external/cronet/base/tracing/tracing_tls.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2021 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #ifndef BASE_TRACING_TRACING_TLS_H_
6*6777b538SAndroid Build Coastguard Worker #define BASE_TRACING_TRACING_TLS_H_
7*6777b538SAndroid Build Coastguard Worker 
8*6777b538SAndroid Build Coastguard Worker #include "base/base_export.h"
9*6777b538SAndroid Build Coastguard Worker 
10*6777b538SAndroid Build Coastguard Worker namespace base {
11*6777b538SAndroid Build Coastguard Worker namespace tracing {
12*6777b538SAndroid Build Coastguard Worker 
13*6777b538SAndroid Build Coastguard Worker // Returns a thread-local flag that records whether the calling thread is
14*6777b538SAndroid Build Coastguard Worker // running trace event related code. This is used to avoid writing trace events
15*6777b538SAndroid Build Coastguard Worker // re-entrantly.
16*6777b538SAndroid Build Coastguard Worker BASE_EXPORT bool* GetThreadIsInTraceEvent();
17*6777b538SAndroid Build Coastguard Worker 
18*6777b538SAndroid Build Coastguard Worker }  // namespace tracing
19*6777b538SAndroid Build Coastguard Worker }  // namespace base
20*6777b538SAndroid Build Coastguard Worker 
21*6777b538SAndroid Build Coastguard Worker #endif  // BASE_TRACING_TRACING_TLS_H_
22