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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* Common functions for Microsoft Windows builds of Emacs
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Copyright (C) 2012-2014 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef W32COMMON_H
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#define W32COMMON_H
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#include <windows.h>
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#define ROUND_UP(p, align) (((DWORD_PTR)(p) + (align)-1) & ~((DWORD_PTR)(align)-1))
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#define ROUND_DOWN(p, align) ((DWORD_PTR)(p) & ~((DWORD_PTR)(align)-1))
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#define get_page_size() sysinfo_cache.dwPageSize
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#define get_allocation_unit() sysinfo_cache.dwAllocationGranularity
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#define get_processor_type() sysinfo_cache.dwProcessorType
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#define get_w32_major_version() w32_major_version
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#define get_w32_minor_version() w32_minor_version
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extern SYSTEM_INFO sysinfo_cache;
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extern OSVERSIONINFO osinfo_cache;
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extern DWORD_PTR syspage_mask;
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extern int w32_major_version;
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extern int w32_minor_version;
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extern int w32_build_number;
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enum {
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OS_9X = 1,
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OS_NT
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};
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extern int os_subtype;
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/* Cache system info, e.g., the NT page size. */
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extern void cache_system_info (void);
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#endif /* W32COMMON_H */
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