1/*
2 * Copyright 2017-present Facebook, Inc.
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#pragma once
18
19#ifndef _WIN32
20#include <semaphore.h>
21#else
22#include <limits.h>
23
24#define SEM_VALUE_MAX INT_MAX
25namespace folly::portability::semaphore {
26using sem_t = struct sem_t_*;
27int sem_init(sem_t* s, int shared, unsigned int value);
28int sem_destroy(sem_t* s);
29int sem_post(sem_t* s);
30int sem_trywait(sem_t* s);
31int sem_wait(sem_t* s);
32} // namespace folly::portability::semaphore
33
34/* using override */ using namespace folly::portability::semaphore;
35#endif
36