| 1 | /* Common functions for Microsoft Windows builds of Emacs |
| 2 | Copyright (C) 2012 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | GNU Emacs 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 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | #ifndef W32COMMON_H |
| 22 | #define W32COMMON_H |
| 23 | |
| 24 | #include <windows.h> |
| 25 | |
| 26 | #define ROUND_UP(p, align) (((DWORD_PTR)(p) + (align)-1) & ~((DWORD_PTR)(align)-1)) |
| 27 | #define ROUND_DOWN(p, align) ((DWORD_PTR)(p) & ~((DWORD_PTR)(align)-1)) |
| 28 | |
| 29 | #define get_page_size() sysinfo_cache.dwPageSize |
| 30 | #define get_allocation_unit() sysinfo_cache.dwAllocationGranularity |
| 31 | #define get_processor_type() sysinfo_cache.dwProcessorType |
| 32 | #define get_w32_major_version() w32_major_version |
| 33 | #define get_w32_minor_version() w32_minor_version |
| 34 | |
| 35 | extern SYSTEM_INFO sysinfo_cache; |
| 36 | extern OSVERSIONINFO osinfo_cache; |
| 37 | extern unsigned long syspage_mask; |
| 38 | |
| 39 | extern int w32_major_version; |
| 40 | extern int w32_minor_version; |
| 41 | extern int w32_build_number; |
| 42 | |
| 43 | enum { |
| 44 | OS_9X = 1, |
| 45 | OS_NT |
| 46 | }; |
| 47 | |
| 48 | extern int os_subtype; |
| 49 | |
| 50 | /* Cache system info, e.g., the NT page size. */ |
| 51 | extern void cache_system_info (void); |
| 52 | |
| 53 | #endif /* W32COMMON_H */ |