Method SetupThreadLocalBuffer

be/src/kudu/util/debug/trace_event_impl.cc:1723–1738

}

TraceLog::PerThreadInfo* TraceLog::SetupThreadLocalBuffer() {
  int64_t cur_tid = Thread::UniqueThreadId();

  auto thr_info = new PerThreadInfo();
  thr_info->event_buffer_ = nullptr;
  thr_info->is_in_trace_event_ = 0;
  thread_local_info_ = thr_info;

  threadlocal::internal::AddDestructor(&TraceLog::ThreadExitingCB, this);

  {
    MutexLock lock(active_threads_lock_);
    InsertOrDie(&active_threads_, cur_tid, thr_info);
  }
  return thr_info;
}

void TraceLog::ThreadExitingCB(void* arg) {
  static_cast<TraceLog*>(arg)->ThreadExiting();