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501199a3 DC |
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 */ |