1 /*
2 (C) Copyright IBM Corp. 2007
3 
4 All rights reserved.
5 
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8 
9 * Redistributions of source code must retain the above copyright notice,
10 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 * Neither the name of IBM nor the names of its contributors may be
15 used to endorse or promote products derived from this software without
16 specific prior written permission.
17 
18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 POSSIBILITY OF SUCH DAMAGE.
29 
30 */
31 
32 #ifndef _MMAN_H_
33 #define _MMAN_H_
34 
35 #include <sys/types.h>
36 
37 /*
38  * Prots to 'mmap'.
39  */
40 #define PROT_READ       0x1
41 #define PROT_WRITE      0x2
42 #define PROT_EXEC       0x4
43 #define PROT_NONE       0x0
44 /*
45  * Flags to 'mmap'.
46  */
47 #define MAP_SHARED      0x001
48 #define MAP_PRIVATE     0x002
49 #define MAP_FIXED       0x010
50 #define MAP_FILE        0x000
51 #define MAP_ANONYMOUS   0x020
52 #define MAP_ANON        MAP_ANONYMOUS
53 #define MAP_GROWSDOWN   0x0100
54 #define MAP_DENYWRITE   0x0800
55 #define MAP_EXECUTABLE  0x1000
56 #define MAP_LOCKED      0x0080
57 #define MAP_NORESERVE   0x0040
58 /*
59  * Failed flag from 'mmap'.
60  */
61 #define MAP_FAILED_EADDR  ((unsigned long long) (-1LL))
62 /*
63  * Flags to 'mremap'.
64  */
65 #define MREMAP_MAYMOVE  1
66 /*
67  * Flags to 'msync'.
68  */
69 #define MS_ASYNC        1
70 #define MS_SYNC         4
71 #define MS_INVALIDATE   2
72 
73 
74 extern int shm_open(const char *name, int oflag, mode_t mode);
75 extern int shm_unlink(const char * name);
76 
77 unsigned long long mmap_eaddr(unsigned long long start, size_t length, int
78                               prot, int flags, int fd, off_t offset);
79 unsigned long long mremap_eaddr(unsigned long long old_addr, size_t
80                                 old_size, size_t new_size, int flags);
81 unsigned long long msync_eaddr(unsigned long long start, size_t length,
82                                int flags);
83 unsigned long long munmap_eaddr(unsigned long long start, size_t length);
84 
85 #endif /* _MMAN_H_ */
86