You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.3 KiB
47 lines
1.3 KiB
/*
|
|
* 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);
|