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 #if defined (_GLIBCXX_DLL) 48 #define _GLIBCXX_PSEUDO_VISIBILITY_default __attribute__ ((__dllimport__)) 49 #else 50 #define _GLIBCXX_PSEUDO_VISIBILITY_default 51 #endif 52 #define _GLIBCXX_PSEUDO_VISIBILITY_hidden 53 54 #define _GLIBCXX_PSEUDO_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY_ ## V 55 56 // See libstdc++/20806. 57 #define _GLIBCXX_HAVE_DOS_BASED_FILESYSTEM 1 58 59 // See libstdc++/37522. 60 #define _GLIBCXX_HAVE_BROKEN_VSWPRINTF 1 61 62 // See libstdc++/43738 63 // On native windows targets there is no ioctl function. And the existing 64 // ioctlsocket function doesn't work for normal file-descriptors. 65 #define _GLIBCXX_NO_IOCTL 1 66 67 // See libstdc++/51135 68 // Class constructors/destructors have __thiscall calling-convention on 69 // IA 32-bit 70 #if defined (__i386__) 71 #define _GLIBCXX_CDTOR_CALLABI __thiscall 72 #endif 73 74 #ifdef __x86_64__ 75 #define _GLIBCXX_LLP64 1 76 #endif 77 78 // See libstdc++/59807 79 #define _GTHREAD_USE_MUTEX_INIT_FUNC 1 80 81 // See libstdc++/94268 82 #define _GLIBCXX_BUFSIZ 4096 83 84 #endif 85