1 /*===========================================================================
2 *
3 *                            PUBLIC DOMAIN NOTICE
4 *               National Center for Biotechnology Information
5 *
6 *  This software/database is a "United States Government Work" under the
7 *  terms of the United States Copyright Act.  It was written as part of
8 *  the author's official duties as a United States Government employee and
9 *  thus cannot be copyrighted.  This software/database is freely available
10 *  to the public for use. The National Library of Medicine and the U.S.
11 *  Government have not placed any restriction on its use or reproduction.
12 *
13 *  Although all reasonable efforts have been taken to ensure the accuracy
14 *  and reliability of the software and data, the NLM and the U.S.
15 *  Government do not and cannot warrant the performance or results that
16 *  may be obtained by using this software or data. The NLM and the U.S.
17 *  Government disclaim all warranties, express or implied, including
18 *  warranties of performance, merchantability or fitness for any particular
19 *  purpose.
20 *
21 *  Please cite the author in any work or product based on this material.
22 *
23 * ===========================================================================
24 *
25 */
26 
27 #ifndef _h_sysmmap_priv_
28 #define _h_sysmmap_priv_
29 
30 #ifndef _h_mmap_priv_
31 #include "../mmap-priv.h"
32 #endif
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 
39 /*--------------------------------------------------------------------------
40  * KMMap
41  *  a memory mapped region
42  */
43 struct KMMap
44 {
45     uint64_t off;
46     uint64_t pos;
47     size_t size;
48     char *addr;
49 
50     KFile *f;
51     size_t pg_size;
52 
53     uint32_t addr_adj;
54     uint32_t size_adj;
55 
56     KRefcount refcount;
57 
58     bool read_only;
59     bool sys_mmap;
60     bool dirty;
61 };
62 
63 
64 #ifdef __cplusplus
65 }
66 #endif
67 
68 #endif /* _h_sysmmap_priv_ */
69