| // Specific definitions for generic platforms -*- C++ -*- |
| |
| // Copyright (C) 2000-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file bits/os_defines.h |
| * This is an internal header file, included by other library headers. |
| * Do not attempt to use it directly. @headername{iosfwd} |
| */ |
| |
| #ifndef _GLIBCXX_OS_DEFINES |
| # define _GLIBCXX_OS_DEFINES |
| |
| // System-specific #define, typedefs, corrections, etc, go here. This |
| // file will come before all others. |
| |
| // Define as 0, if you want, to enable inlining of gthread functions. |
| // By default, don't pollute libstdc++ with win32api names. |
| #if !defined (__GTHREAD_HIDE_WIN32API) |
| # define __GTHREAD_HIDE_WIN32API 1 |
| #endif |
| |
| // Don't let win32api windef.h define min and max as macros |
| // if included after c++config.h. |
| #undef NOMINMAX |
| #define NOMINMAX 1 |
| |
| // Make sure that POSIX printf/scanf functions are activated. As |
| // libstdc++ depends on POSIX-definitions of those functions, we define |
| // it unconditionally. |
| #undef __USE_MINGW_ANSI_STDIO |
| #define __USE_MINGW_ANSI_STDIO 1 |
| |
| #if defined (_GLIBCXX_DLL) |
| #define _GLIBCXX_PSEUDO_VISIBILITY_default __attribute__ ((__dllimport__)) |
| #else |
| #define _GLIBCXX_PSEUDO_VISIBILITY_default |
| #endif |
| #define _GLIBCXX_PSEUDO_VISIBILITY_hidden |
| |
| #define _GLIBCXX_PSEUDO_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY_ ## V |
| |
| // See libstdc++/20806. |
| #define _GLIBCXX_HAVE_DOS_BASED_FILESYSTEM 1 |
| |
| // See libstdc++/43738 |
| // On native windows targets there is no ioctl function. And the existing |
| // ioctlsocket function doesn't work for normal file-descriptors. |
| #define _GLIBCXX_NO_IOCTL 1 |
| |
| // See libstdc++/51135 |
| // Class constructors/destructors have __thiscall calling-convention on |
| // IA 32-bit |
| #if defined (__i386__) |
| #define _GLIBCXX_CDTOR_CALLABI __thiscall |
| #endif |
| |
| #ifdef __x86_64__ |
| #define _GLIBCXX_LLP64 1 |
| // See libstdc++/69506 |
| #define _GLIBCXX_USE_WEAK_REF 0 |
| #endif |
| |
| // Enable use of GetModuleHandleEx (requires Windows XP/2003) in |
| // __cxa_thread_atexit to prevent modules from being unloaded before |
| // their dtors are called |
| #define _GLIBCXX_THREAD_ATEXIT_WIN32 1 |
| |
| // See libstdc++/59807 |
| #define _GTHREAD_USE_MUTEX_INIT_FUNC 1 |
| |
| #define _GLIBCXX_USE_CRT_RAND_S 1 |
| |
| // See libstdc++/94268 |
| #define _GLIBCXX_BUFSIZ 4096 |
| |
| #endif |
