summaryrefslogtreecommitdiff
path: root/ACE/ace/MEM_SAP.cpp
blob: 8a98a3b3d0c819dc43dd327d3958fc22477a70d5 (plain)
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// $Id$

#include "ace/MEM_SAP.h"

#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)

#if !defined (__ACE_INLINE__)
#include "ace/MEM_SAP.inl"
#endif /* __ACE_INLINE__ */

ACE_RCSID(ace, MEM_SAP, "$Id$")

ACE_BEGIN_VERSIONED_NAMESPACE_DECL

ACE_ALLOC_HOOK_DEFINE(ACE_IPC_SAP)

void
ACE_MEM_SAP::dump (void) const
{
#if defined (ACE_HAS_DUMP)
  ACE_TRACE ("ACE_MEM_SAP::dump");

  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
  if (this->shm_malloc_ != 0)
    this->shm_malloc_->dump ();
  else
    ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("ACE_MEM_SAP uninitialized.\n")));
  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}

ACE_MEM_SAP::ACE_MEM_SAP (void)
  : handle_ (ACE_INVALID_HANDLE),
    shm_malloc_ (0)
{
  // ACE_TRACE ("ACE_MEM_SAP::ACE_MEM_SAP");
}

ACE_MEM_SAP::~ACE_MEM_SAP (void)
{
  // ACE_TRACE ("ACE_MEM_SAP::~ACE_MEM_SAP");
  delete this->shm_malloc_;
}

int
ACE_MEM_SAP::fini ()
{
  ACE_TRACE ("ACE_MEM_SAP::fini");

  return this->close_shm_malloc ();
}

int
ACE_MEM_SAP::create_shm_malloc (const ACE_TCHAR *name,
                                MALLOC_OPTIONS *options)
{
  ACE_TRACE ("ACE_MEM_SAP::create_shm_malloc");

  if (this->shm_malloc_ != 0)
    return -1;                  // already initialized.

  ACE_NEW_RETURN (this->shm_malloc_,
                  MALLOC_TYPE (name,
                               0,
                               options),
                  -1);

  if (this->shm_malloc_->bad () != 0)
    {
      this->shm_malloc_->remove (); // Cleanup OS resources
      delete this->shm_malloc_;
      this->shm_malloc_ = 0;
      return -1;
    }

  return 0;
}

int
ACE_MEM_SAP::close_shm_malloc (void)
{
  ACE_TRACE ("ACE_MEM_SAP::close_shm_malloc");

  int retv = -1;

  if (this->shm_malloc_ != 0)
    this->shm_malloc_->release (1);

  delete this->shm_malloc_;
  this->shm_malloc_ = 0;

  return retv;
}

#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */

ACE_END_VERSIONED_NAMESPACE_DECL