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3cbc7af0 | 1 | // Underlying io library details -*- C++ -*- |
9717c75c | 2 | |
a945c346 | 3 | // Copyright (C) 2000-2024 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | ||
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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/>. | |
9717c75c | 24 | |
f910786b | 25 | /** @file bits/c++io.h |
143c27b0 | 26 | * This is an internal header file, included by other library headers. |
f910786b | 27 | * Do not attempt to use it directly. @headername{ios} |
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28 | */ |
29 | ||
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30 | // c_io_stdio.h - Defines for using "C" stdio.h |
31 | ||
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32 | #ifndef _GLIBCXX_CXX_IO_H |
33 | #define _GLIBCXX_CXX_IO_H 1 | |
9717c75c | 34 | |
df7b1359 | 35 | #include <cstdio> |
5e218033 | 36 | #include <bits/gthr.h> |
9717c75c | 37 | |
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38 | namespace std _GLIBCXX_VISIBILITY(default) |
39 | { | |
40 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 41 | |
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42 | #ifdef __GTHREAD_LEGACY_MUTEX_T |
43 | // The layout of __gthread_mutex_t changed in GCC 13, but libstdc++ doesn't | |
44 | // actually use the basic_filebuf::_M_lock member, so define it consistently | |
45 | // with the old __gthread_mutex_t to avoid an unnecessary layout change: | |
46 | typedef __GTHREAD_LEGACY_MUTEX_T __c_lock; | |
47 | #else | |
5e218033 | 48 | typedef __gthread_mutex_t __c_lock; |
e2fc12a5 | 49 | #endif |
9717c75c | 50 | |
cc5112c9 | 51 | // for basic_file.h |
d3a193e3 | 52 | typedef FILE __c_file; |
9717c75c | 53 | |
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54 | _GLIBCXX_END_NAMESPACE_VERSION |
55 | } // namespace | |
9717c75c | 56 | |
cc5112c9 | 57 | #endif |