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/* Common functions for Microsoft Windows builds of Emacs
Copyright (C) 2012-2018 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs 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 of the License, or (at
your option) any later version.
GNU Emacs 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.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef W32COMMON_H
#define W32COMMON_H
#include <windows.h>
#define ROUND_UP(p, align) (((DWORD_PTR)(p) + (align)-1) & ~((DWORD_PTR)(align)-1))
#define ROUND_DOWN(p, align) ((DWORD_PTR)(p) & ~((DWORD_PTR)(align)-1))
#define get_page_size() sysinfo_cache.dwPageSize
#define get_allocation_unit() sysinfo_cache.dwAllocationGranularity
#define get_processor_type() sysinfo_cache.dwProcessorType
#define get_w32_major_version() w32_major_version
#define get_w32_minor_version() w32_minor_version
extern SYSTEM_INFO sysinfo_cache;
extern OSVERSIONINFO osinfo_cache;
extern DWORD_PTR syspage_mask;
extern int w32_major_version;
extern int w32_minor_version;
extern int w32_build_number;
enum {
OS_9X = 1,
OS_NT
};
extern int os_subtype;
/* Cache system info, e.g., the NT page size. */
extern void cache_system_info (void);
#endif /* W32COMMON_H */
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