// Copyright 2018 The Abseil Authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include <iostream> #include "absl/base/internal/thread_identity.h" int main() { auto* tid = absl::base_internal::CurrentThreadIdentityIfPresent(); // Make sure the above call can't be optimized out std::cout << (void*)tid << std::endl; }