1/*
2 * Copyright 2016-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// Only do anything if we are on windows.
20#ifdef _WIN32
21// This header is intended to be used in-place of including <Windows.h>,
22// <WinSock2.h>, <io.h> or <direct.h>.
23// It includes all of them, and undefines certain names defined by them that
24// are used in places in Folly.
25//
26// These have to be this way because we define our own versions
27// of close(), because the normal Windows versions don't handle
28// sockets at all.
29#ifndef __STDC__
30/* nolint */
31#define __STDC__ 1
32#include <direct.h> // @manual nolint
33#include <io.h> // @manual nolint
34#undef __STDC__
35#else
36#include <direct.h> // @manual nolint
37#include <io.h> // @manual nolint
38#endif
39
40#if defined(min) || defined(max)
41#error Windows.h needs to be included by this header, or else NOMINMAX needs \
42 to be defined before including it yourself.
43#endif
44
45// This is needed because, for some absurd reason, one of the windows headers
46// tries to define "min" and "max" as macros, which messes up most uses of
47// std::numeric_limits.
48#ifndef NOMINMAX
49#define NOMINMAX 1
50#endif
51
52#include <WinSock2.h> // @manual
53#include <Windows.h> // @manual
54
55#ifdef CAL_GREGORIAN
56#undef CAL_GREGORIAN
57#endif
58
59// Defined in the GDI interface.
60#ifdef ERROR
61#undef ERROR
62#endif
63
64// Defined in minwindef.h
65#ifdef IN
66#undef IN
67#endif
68
69// Defined in winerror.h
70#ifdef NO_ERROR
71#undef NO_ERROR
72#endif
73
74// Defined in minwindef.h
75#ifdef OUT
76#undef OUT
77#endif
78
79// Defined in minwindef.h
80#ifdef STRICT
81#undef STRICT
82#endif
83
84// Defined in Winbase.h
85#ifdef Yield
86#undef Yield
87#endif
88
89#endif
90