1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "benchmark.h"
18
19#include <semaphore.h>
20
21static void BM_semaphore_sem_getvalue(int iters) {
22  StopBenchmarkTiming();
23  sem_t semaphore;
24  sem_init(&semaphore, 1, 1);
25  StartBenchmarkTiming();
26
27  for (int i = 0; i < iters; ++i) {
28    int dummy;
29    sem_getvalue(&semaphore, &dummy);
30  }
31
32  StopBenchmarkTiming();
33}
34BENCHMARK(BM_semaphore_sem_getvalue);
35
36static void BM_semaphore_sem_wait_sem_post(int iters) {
37  StopBenchmarkTiming();
38  sem_t semaphore;
39  sem_init(&semaphore, 1, 1);
40  StartBenchmarkTiming();
41
42  for (int i = 0; i < iters; ++i) {
43    sem_wait(&semaphore);
44    sem_post(&semaphore);
45  }
46
47  StopBenchmarkTiming();
48}
49BENCHMARK(BM_semaphore_sem_wait_sem_post);
50