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1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * |
3 | * --------------------------------------------------------------------------------------- |
4 | * The following license statement only applies to this file (memmap.h). |
5 | * --------------------------------------------------------------------------------------- |
6 | * |
7 | * Permission is hereby granted, free of charge, |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
9 | * to deal in the Software without restriction, including without limitation the rights to |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
21 | */ |
22 | |
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23 | #ifndef _MEMMAP_H |
24 | #define _MEMMAP_H |
25 | |
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26 | #ifdef _WIN32 |
27 | |
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28 | #ifndef _WIN32_WINNT /* Allow use of features specific to Windows XP or later. */ |
29 | #define _WIN32_WINNT 0x0501 /* Change this to the appropriate value to target other versions of Windows. */ |
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30 | #endif |
31 | |
32 | /* All the headers include this file. */ |
33 | #ifndef _MSC_VER |
34 | #include <_mingw.h> |
35 | #endif |
36 | |
37 | #include <sys/types.h> |
38 | |
39 | #ifdef __cplusplus |
40 | extern "C" { |
41 | #endif |
42 | |
43 | #define PROT_NONE 0 |
44 | #define PROT_READ 1 |
45 | #define PROT_WRITE 2 |
46 | #define PROT_EXEC 4 |
47 | |
48 | #define MAP_FILE 0 |
49 | #define MAP_SHARED 1 |
50 | #define MAP_PRIVATE 2 |
51 | #define MAP_TYPE 0xf |
52 | #define MAP_FIXED 0x10 |
53 | #define MAP_ANONYMOUS 0x20 |
54 | #define MAP_ANON MAP_ANONYMOUS |
55 | |
56 | #define MAP_FAILED ((void *)-1) |
57 | |
58 | /* Flags for msync. */ |
59 | #define MS_ASYNC 1 |
60 | #define MS_SYNC 2 |
61 | #define MS_INVALIDATE 4 |
62 | |
63 | void* mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off); |
64 | int munmap(void *addr, size_t len); |
65 | int mprotect(void *addr, size_t len, int prot); |
66 | int msync(void *addr, size_t len, int flags); |
67 | int mlock(const void *addr, size_t len); |
68 | int munlock(const void *addr, size_t len); |
69 | |
70 | #ifdef __cplusplus |
71 | }; |
72 | #endif |
73 | |
74 | #else |
75 | #include <sys/mman.h> |
76 | #endif |
77 | |
78 | #endif |