1 // Copyright 2019 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/profiler/sampling_profiler_thread_token.h" 6 7 #include "build/build_config.h" 8 9 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) 10 #include <pthread.h> 11 12 #include "base/profiler/stack_base_address_posix.h" 13 #endif 14 15 namespace base { 16 GetSamplingProfilerCurrentThreadToken()17SamplingProfilerThreadToken GetSamplingProfilerCurrentThreadToken() { 18 PlatformThreadId id = PlatformThread::CurrentId(); 19 #if BUILDFLAG(IS_ANDROID) 20 return {id, pthread_self()}; 21 #elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) 22 absl::optional<uintptr_t> maybe_stack_base = 23 GetThreadStackBaseAddress(id, pthread_self()); 24 return {id, maybe_stack_base}; 25 #else 26 return {id}; 27 #endif 28 } 29 30 } // namespace base 31