1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2020-2023. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "sys/eventfd.h" 17 #include "unistd.h" 18 #include "util.h" 19 20 // Write a value to eventfd Bm_function_eventfd_write(benchmark::State & state)21static void Bm_function_eventfd_write(benchmark::State &state) 22 { 23 unsigned int initValue = 2; 24 int fd = eventfd(initValue, O_NONBLOCK); 25 if (fd == -1) { 26 perror("evevtfd eventfd_write"); 27 } 28 for (auto _ : state) { 29 if (eventfd_write(fd, initValue + 1) != 0) { 30 perror("eventfd_write proc"); 31 } 32 } 33 close(fd); 34 } 35 36 MUSL_BENCHMARK(Bm_function_eventfd_write);