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1505 | palkovsky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Ondrej Palkovsky |
1505 | palkovsky | 3 | * All rights reserved. |
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 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, 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 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1719 | decky | 29 | /** @addtogroup libc |
1653 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1867 | jermar | 35 | #include <sys/mman.h> |
2541 | jermar | 36 | #include <sys/types.h> |
1505 | palkovsky | 37 | #include <as.h> |
38 | #include <unistd.h> |
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39 | |||
4692 | svoboda | 40 | void *mmap(void *start, size_t length, int prot, int flags, int fd, |
2141 | jermar | 41 | off_t offset) |
1505 | palkovsky | 42 | { |
43 | if (!start) |
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2141 | jermar | 44 | start = as_get_mappable_page(length); |
1505 | palkovsky | 45 | |
4692 | svoboda | 46 | // if (!((flags & MAP_SHARED) ^ (flags & MAP_PRIVATE))) |
1547 | palkovsky | 47 | // return MAP_FAILED; |
4692 | svoboda | 48 | |
49 | if (!(flags & MAP_ANONYMOUS)) |
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1547 | palkovsky | 50 | return MAP_FAILED; |
4692 | svoboda | 51 | |
1505 | palkovsky | 52 | return as_area_create(start, length, prot); |
53 | } |
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54 | |||
55 | int munmap(void *start, size_t length) |
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56 | { |
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57 | return as_area_destroy(start); |
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58 | } |
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1653 | cejka | 59 | |
1719 | decky | 60 | /** @} |
1653 | cejka | 61 | */ |