Rev 3022 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1505 | palkovsky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Ondrej Palkovsky |
1505 | palkovsky | 3 | * All rights reserved. |
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
13 | * documentation and/or other materials provided with the distribution. |
||
14 | * - The name of the author may not be used to endorse or promote products |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
1719 | decky | 29 | /** @addtogroup libc |
1653 | cejka | 30 | * @{ |
31 | */ |
||
32 | /** @file |
||
33 | */ |
||
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> |
||
39 | |||
4668 | trochtova | 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) |
||
2141 | jermar | 44 | start = as_get_mappable_page(length); |
1505 | palkovsky | 45 | |
4668 | trochtova | 46 | // if (!((flags & MAP_SHARED) ^ (flags & MAP_PRIVATE))) |
1547 | palkovsky | 47 | // return MAP_FAILED; |
4668 | trochtova | 48 | |
49 | if (!(flags & MAP_ANONYMOUS)) |
||
1547 | palkovsky | 50 | return MAP_FAILED; |
4668 | trochtova | 51 | |
1505 | palkovsky | 52 | return as_area_create(start, length, prot); |
53 | } |
||
54 | |||
55 | int munmap(void *start, size_t length) |
||
56 | { |
||
57 | return as_area_destroy(start); |
||
58 | } |
||
1653 | cejka | 59 | |
1719 | decky | 60 | /** @} |
1653 | cejka | 61 | */ |