Subversion Repositories HelenOS-historic

Rev

Rev 1653 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1505 palkovsky 1
/*
2
 * Copyright (C) 2006 Ondrej 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
 
1505 palkovsky 35
#include <sys/mman.h>
36
#include <as.h>
37
#include <unistd.h>
38
 
1719 decky 39
void *mmap(void  *start, size_t length, int prot, int flags, int fd, off_t offset)
1505 palkovsky 40
{
41
    if (!start)
42
        start = as_get_mappable_page(length);
43
 
1510 palkovsky 44
//  if (! ((flags & MAP_SHARED) ^ (flags & MAP_PRIVATE)))
1547 palkovsky 45
//      return MAP_FAILED;
1518 palkovsky 46
    if (! (flags & MAP_ANONYMOUS))
1547 palkovsky 47
        return MAP_FAILED;
1505 palkovsky 48
 
49
    return as_area_create(start, length, prot);
50
}
51
 
52
int munmap(void *start, size_t length)
53
{
54
    return as_area_destroy(start);
55
}
1653 cejka 56
 
57
 
1719 decky 58
/** @}
1653 cejka 59
 */