| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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 <pthread.h> |
| #include <semaphore.h> |
| #include <stdatomic.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <benchmark/benchmark.h> |
| #include "util.h" |
| |
| static void BM_semaphore_sem_getvalue(benchmark::State& state) { |
| sem_t semaphore; |
| sem_init(&semaphore, 1, 1); |
| |
| while (state.KeepRunning()) { |
| int unused; |
| sem_getvalue(&semaphore, &unused); |
| } |
| } |
| BIONIC_BENCHMARK(BM_semaphore_sem_getvalue); |
| |
| static void BM_semaphore_sem_wait_sem_post(benchmark::State& state) { |
| sem_t semaphore; |
| sem_init(&semaphore, 1, 1); |
| |
| while (state.KeepRunning()) { |
| sem_wait(&semaphore); |
| sem_post(&semaphore); |
| } |
| } |
| BIONIC_BENCHMARK(BM_semaphore_sem_wait_sem_post); |