1 | /* |
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2 | (C) Copyright IBM Corp. 2007 |
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3 | |
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4 | All rights reserved. |
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5 | |
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6 | Redistribution and use in source and binary forms, with or without |
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7 | modification, are permitted provided that the following conditions are met: |
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8 | |
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9 | * Redistributions of source code must retain the above copyright notice, |
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10 | this list of conditions and the following disclaimer. |
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11 | * Redistributions in binary form must reproduce the above copyright |
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12 | notice, this list of conditions and the following disclaimer in the |
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13 | documentation and/or other materials provided with the distribution. |
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14 | * Neither the name of IBM nor the names of its contributors may be |
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15 | used to endorse or promote products derived from this software without |
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16 | specific prior written permission. |
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17 | |
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18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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19 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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20 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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21 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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22 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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23 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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24 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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25 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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26 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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27 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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28 | POSSIBILITY OF SUCH DAMAGE. |
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29 | |
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30 | */ |
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31 | |
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32 | #ifndef _MMAN_H_ |
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33 | #define _MMAN_H_ |
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34 | |
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35 | #include <sys/types.h> |
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36 | |
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37 | /* |
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38 | * Prots to 'mmap'. |
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39 | */ |
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40 | #define PROT_READ 0x1 |
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41 | #define PROT_WRITE 0x2 |
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42 | #define PROT_EXEC 0x4 |
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43 | #define PROT_NONE 0x0 |
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44 | /* |
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45 | * Flags to 'mmap'. |
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46 | */ |
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47 | #define MAP_SHARED 0x001 |
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48 | #define MAP_PRIVATE 0x002 |
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49 | #define MAP_FIXED 0x010 |
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50 | #define MAP_FILE 0x000 |
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51 | #define MAP_ANONYMOUS 0x020 |
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52 | #define MAP_ANON MAP_ANONYMOUS |
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53 | #define MAP_GROWSDOWN 0x0100 |
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54 | #define MAP_DENYWRITE 0x0800 |
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55 | #define MAP_EXECUTABLE 0x1000 |
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56 | #define MAP_LOCKED 0x0080 |
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57 | #define MAP_NORESERVE 0x0040 |
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58 | /* |
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59 | * Failed flag from 'mmap'. |
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60 | */ |
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61 | #define MAP_FAILED_EADDR ((unsigned long long) (-1LL)) |
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62 | /* |
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63 | * Flags to 'mremap'. |
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64 | */ |
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65 | #define MREMAP_MAYMOVE 1 |
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66 | /* |
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67 | * Flags to 'msync'. |
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68 | */ |
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69 | #define MS_ASYNC 1 |
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70 | #define MS_SYNC 4 |
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71 | #define MS_INVALIDATE 2 |
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72 | |
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73 | |
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74 | extern int shm_open(const char *name, int oflag, mode_t mode); |
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75 | extern int shm_unlink(const char * name); |
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76 | |
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77 | unsigned long long mmap_eaddr(unsigned long long start, size_t length, int |
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78 | prot, int flags, int fd, off_t offset); |
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79 | unsigned long long mremap_eaddr(unsigned long long old_addr, size_t |
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80 | old_size, size_t new_size, int flags); |
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81 | unsigned long long msync_eaddr(unsigned long long start, size_t length, |
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82 | int flags); |
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83 | unsigned long long munmap_eaddr(unsigned long long start, size_t length); |
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84 | |
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85 | #endif /* _MMAN_H_ */ |
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