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70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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* Copyright © 2023 Luca Bacci
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gconstructor.h"
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#ifdef _WIN32
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#include <windows.h>
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#endif
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#ifdef _WIN32
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#ifdef __cplusplus
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/* const defaults to static (internal visibility) in C++,
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* but we want extern instead */
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#define G_EXTERN_CONST extern const
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#else
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/* Using extern const in C is perfectly valid, but triggers
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* a warning in GCC and CLANG, therefore we avoid it */
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#define G_EXTERN_CONST const
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#endif
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#ifdef _MSC_VER
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#define G_HAS_TLS_CALLBACKS 1
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#define G_DEFINE_TLS_CALLBACK(func) \
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__pragma (section (".CRT$XLCE", long, read)) \
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\
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static void NTAPI func (PVOID, DWORD, PVOID); \
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\
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G_BEGIN_DECLS \
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__declspec (allocate (".CRT$XLCE")) \
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G_EXTERN_CONST PIMAGE_TLS_CALLBACK _ptr_##func = func; \
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G_END_DECLS \
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\
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__pragma (comment (linker, "/INCLUDE:" G_MSVC_SYMBOL_PREFIX "_tls_used")) \
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__pragma (comment (linker, "/INCLUDE:" G_MSVC_SYMBOL_PREFIX "_ptr_" #func))
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#else
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#define G_HAS_TLS_CALLBACKS 1
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#define G_DEFINE_TLS_CALLBACK(func) \
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static void NTAPI func (PVOID, DWORD, PVOID); \
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\
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G_BEGIN_DECLS \
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__attribute__ ((section (".CRT$XLCE"))) \
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G_EXTERN_CONST PIMAGE_TLS_CALLBACK _ptr_##func = func; \
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G_END_DECLS
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#endif /* _MSC_VER */
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#endif /* _WIN32 */
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