source: Daodan/MSYS2/mingw32/include/c++/11.2.0/i686-w64-mingw32/bits/os_defines.h@ 1171

Last change on this file since 1171 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env

File size: 3.1 KB
Line 
1// Specific definitions for generic platforms -*- C++ -*-
2
3// Copyright (C) 2000-2021 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file bits/os_defines.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{iosfwd}
28 */
29
30#ifndef _GLIBCXX_OS_DEFINES
31# define _GLIBCXX_OS_DEFINES
32
33// System-specific #define, typedefs, corrections, etc, go here. This
34// file will come before all others.
35
36// Define as 0, if you want, to enable inlining of gthread functions.
37// By default, don't pollute libstdc++ with win32api names.
38#if !defined (__GTHREAD_HIDE_WIN32API)
39# define __GTHREAD_HIDE_WIN32API 1
40#endif
41
42// Don't let win32api windef.h define min and max as macros
43// if included after c++config.h.
44#undef NOMINMAX
45#define NOMINMAX 1
46
47// Make sure that POSIX printf/scanf functions are activated. As
48// libstdc++ depends on POSIX-definitions of those functions, we define
49// it unconditionally.
50#undef __USE_MINGW_ANSI_STDIO
51#define __USE_MINGW_ANSI_STDIO 1
52
53#if defined (_GLIBCXX_DLL)
54#define _GLIBCXX_PSEUDO_VISIBILITY_default __attribute__ ((__dllimport__))
55#else
56#define _GLIBCXX_PSEUDO_VISIBILITY_default
57#endif
58#define _GLIBCXX_PSEUDO_VISIBILITY_hidden
59
60#define _GLIBCXX_PSEUDO_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY_ ## V
61
62// See libstdc++/20806.
63#define _GLIBCXX_HAVE_DOS_BASED_FILESYSTEM 1
64
65// See libstdc++/43738
66// On native windows targets there is no ioctl function. And the existing
67// ioctlsocket function doesn't work for normal file-descriptors.
68#define _GLIBCXX_NO_IOCTL 1
69
70// See libstdc++/51135
71// Class constructors/destructors have __thiscall calling-convention on
72// IA 32-bit
73#if defined (__i386__)
74#define _GLIBCXX_CDTOR_CALLABI __thiscall
75#endif
76
77#ifdef __x86_64__
78#define _GLIBCXX_LLP64 1
79// See libstdc++/69506
80#define _GLIBCXX_USE_WEAK_REF 0
81#endif
82
83// Enable use of GetModuleHandleEx (requires Windows XP/2003) in
84// __cxa_thread_atexit to prevent modules from being unloaded before
85// their dtors are called
86#define _GLIBCXX_THREAD_ATEXIT_WIN32 1
87
88// See libstdc++/59807
89#define _GTHREAD_USE_MUTEX_INIT_FUNC 1
90
91#define _GLIBCXX_USE_CRT_RAND_S 1
92
93// See libstdc++/94268
94#define _GLIBCXX_BUFSIZ 4096
95
96#endif
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