1 // Copyright 2019 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef BASE_PROFILER_SAMPLING_PROFILER_THREAD_TOKEN_H_
6 #define BASE_PROFILER_SAMPLING_PROFILER_THREAD_TOKEN_H_
7 
8 #include "base/base_export.h"
9 #include "base/threading/platform_thread.h"
10 #include "build/build_config.h"
11 
12 #if defined(OS_ANDROID) || defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
13 #include <pthread.h>
14 #endif
15 
16 namespace base {
17 
18 // SamplingProfilerThreadToken represents the thread identifier(s) required by
19 // sampling profiler to operate on a thread. PlatformThreadId is needed for all
20 // platforms, while non-Mac POSIX also requires a pthread_t to pass to pthread
21 // functions used to obtain the stack base address.
22 struct SamplingProfilerThreadToken {
23   PlatformThreadId id;
24 #if defined(OS_ANDROID) || defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_BSD)
25   pthread_t pthread_id;
26 #endif
27 };
28 
29 BASE_EXPORT SamplingProfilerThreadToken GetSamplingProfilerCurrentThreadToken();
30 
31 }  // namespace base
32 
33 #endif  // BASE_PROFILER_SAMPLING_PROFILER_THREAD_TOKEN_H_
34