00001 // Copyright 2018 The Abseil Authors. 00002 // 00003 // Licensed under the Apache License, Version 2.0 (the "License"); 00004 // you may not use this file except in compliance with the License. 00005 // You may obtain a copy of the License at 00006 // 00007 // https://www.apache.org/licenses/LICENSE-2.0 00008 // 00009 // Unless required by applicable law or agreed to in writing, software 00010 // distributed under the License is distributed on an "AS IS" BASIS, 00011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00012 // See the License for the specific language governing permissions and 00013 // limitations under the License. 00014 00015 #include <iostream> 00016 #include "absl/base/internal/thread_identity.h" 00017 00018 int main() { 00019 auto* tid = absl::base_internal::CurrentThreadIdentityIfPresent(); 00020 // Make sure the above call can't be optimized out 00021 std::cout << (void*)tid << std::endl; 00022 }