1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// $Id$
#include "ace/Guard_T.h"
#include "JAWS/FILE.h"
JAWS_FILE::JAWS_FILE (void)
: map_ (0)
{
}
JAWS_FILE::~JAWS_FILE (void)
{
delete this->map_;
this->map_ = 0;
}
ACE_Mem_Map *
JAWS_FILE::mem_map (int length,
int prot,
int share,
void *addr,
ACE_OFF_T offset,
LPSECURITY_ATTRIBUTES sa) const
{
JAWS_FILE *mutable_this = (JAWS_FILE *) this;
return mutable_this->mem_map (length, prot, share, addr, offset, sa);
}
ACE_Mem_Map *
JAWS_FILE::mem_map (int length,
int prot,
int share,
void *addr,
ACE_OFF_T offset,
LPSECURITY_ATTRIBUTES sa)
{
if (this->map_ == 0)
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, g ,this->lock_, 0);
if (this->map_ == 0)
{
this->map_ = new ACE_Mem_Map;
if (this->map_ != 0)
{
int r = this->map_->map (this->get_handle (),
static_cast<size_t> (length),
prot,
share,
addr,
offset,
sa);
if (r < 0)
{
delete this->map_;
this->map_ = 0;
}
}
}
}
return this->map_;
}
ACE_Mem_Map *
JAWS_FILE::map (void) const
{
return this->map_;
}
|
