1 | /*- |
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2 | * Copyright (c) 1982, 1986, 1993 |
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3 | * The Regents of the University of California. All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 4. Neither the name of the University nor the names of its contributors |
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14 | * may be used to endorse or promote products derived from this software |
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15 | * without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 | * SUCH DAMAGE. |
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28 | * |
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29 | * @(#)mman.h 8.2 (Berkeley) 1/9/95 |
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30 | * $FreeBSD: releng/9.0/sys/sys/mman.h 211937 2010-08-28 16:57:07Z alc $ |
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31 | */ |
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32 | |
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33 | #ifndef _SYS_MMAN_H_ |
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34 | #define _SYS_MMAN_H_ |
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35 | |
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36 | #include <sys/cdefs.h> |
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37 | #include <sys/types.h> |
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38 | |
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39 | /* |
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40 | * Protections are chosen from these bits, or-ed together |
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41 | */ |
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42 | #define PROT_NONE 0x00 /* no permissions */ |
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43 | #define PROT_READ 0x01 /* pages can be read */ |
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44 | #define PROT_WRITE 0x02 /* pages can be written */ |
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45 | #define PROT_EXEC 0x04 /* pages can be executed */ |
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46 | |
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47 | /* |
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48 | * Flags contain sharing type and options. |
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49 | * Sharing types; choose one. |
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50 | */ |
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51 | #define MAP_SHARED 0x0001 /* share changes */ |
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52 | #define MAP_PRIVATE 0x0002 /* changes are private */ |
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53 | |
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54 | /* |
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55 | * Other flags |
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56 | */ |
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57 | #define MAP_FIXED 0x0010 /* map addr must be exactly as requested */ |
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58 | |
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59 | /* |
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60 | * Mapping type |
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61 | */ |
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62 | #define MAP_FILE 0x0000 /* map from file (default) */ |
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63 | #define MAP_ANON 0x1000 /* allocated from memory, swap space */ |
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64 | |
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65 | /* |
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66 | * Error return from mmap() |
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67 | */ |
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68 | #define MAP_FAILED ((void *)-1) |
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69 | |
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70 | /* |
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71 | * msync() flags |
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72 | */ |
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73 | #define MS_SYNC 0x0000 /* msync synchronously */ |
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74 | #define MS_ASYNC 0x0001 /* return immediately */ |
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75 | #define MS_INVALIDATE 0x0002 /* invalidate all cached data */ |
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76 | |
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77 | __BEGIN_DECLS |
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78 | #ifndef _MMAP_DECLARED |
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79 | #define _MMAP_DECLARED |
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80 | void * mmap(void *, size_t, int, int, int, off_t); |
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81 | #endif |
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82 | #if NOT_IMPLEMENTED |
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83 | int mprotect(const void *, size_t, int); |
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84 | int msync(void *, size_t, int); |
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85 | int munlock(const void *, size_t); |
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86 | #endif |
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87 | int munmap(void *, size_t); |
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88 | __END_DECLS |
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89 | |
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90 | #endif /* !_SYS_MMAN_H_ */ |
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