1/*
2 * Copyright 2014-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#include <folly/portability/Windows.h>
20
21#ifndef _WIN32
22// This can't go via the portability header, because
23// the portability header depends on us.
24#include <unistd.h>
25#endif
26
27namespace folly {
28namespace netops {
29namespace detail {
30struct SocketFileDescriptorMap {
31#if _WIN32
32 static int close(int fd) noexcept;
33 static int close(SOCKET sock) noexcept;
34
35 static SOCKET fdToSocket(int fd) noexcept;
36 static int socketToFd(SOCKET sock) noexcept;
37#else
38 static int close(int fd) noexcept {
39 return ::close(fd);
40 }
41
42 static int fdToSocket(int fd) noexcept {
43 return fd;
44 }
45 static int socketToFd(int sock) noexcept {
46 return sock;
47 }
48#endif
49};
50} // namespace detail
51} // namespace netops
52} // namespace folly
53