dep/ACE_wrappers/ace/MEM_SAP.cpp

   1 // $Id: MEM_SAP.cpp 80826 2008-03-04 14:51:23Z wotte $
   2
   3 #include "ace/MEM_SAP.h"
   4
   5 #if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)
   6
   7 #if !defined (__ACE_INLINE__)
   8 #include "ace/MEM_SAP.inl"
   9 #endif /* __ACE_INLINE__ */
  10
  11 ACE_RCSID(ace, MEM_SAP, "$Id: MEM_SAP.cpp 80826 2008-03-04 14:51:23Z wotte $")
  12
  13 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  14
  15 ACE_ALLOC_HOOK_DEFINE(ACE_IPC_SAP)
  16
  17 void
  18 ACE_MEM_SAP::dump (void) const
  19 {
  20 #if defined (ACE_HAS_DUMP)
  21   ACE_TRACE ("ACE_MEM_SAP::dump");
  22
  23   ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
  24   if (this->shm_malloc_ != 0)
  25     this->shm_malloc_->dump ();
  26   else
  27     ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("ACE_MEM_SAP uninitialized.\n")));
  28   ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
  29 #endif /* ACE_HAS_DUMP */
  30 }
  31
  32 ACE_MEM_SAP::ACE_MEM_SAP (void)
  33   : handle_ (ACE_INVALID_HANDLE),
  34     shm_malloc_ (0)
  35 {
  36   // ACE_TRACE ("ACE_MEM_SAP::ACE_MEM_SAP");
  37 }
  38
  39 ACE_MEM_SAP::~ACE_MEM_SAP (void)
  40 {
  41   // ACE_TRACE ("ACE_MEM_SAP::~ACE_MEM_SAP");
  42   delete this->shm_malloc_;
  43 }
  44
  45 int
  46 ACE_MEM_SAP::fini ()
  47 {
  48   ACE_TRACE ("ACE_MEM_SAP::fini");
  49
  50   return this->close_shm_malloc ();
  51 }
  52
  53 int
  54 ACE_MEM_SAP::create_shm_malloc (const ACE_TCHAR *name,
  55                                 MALLOC_OPTIONS *options)
  56 {
  57   ACE_TRACE ("ACE_MEM_SAP::create_shm_malloc");
  58
  59   if (this->shm_malloc_ != 0)
  60     return -1;                  // already initialized.
  61
  62   ACE_NEW_RETURN (this->shm_malloc_,
  63                   MALLOC_TYPE (name,
  64                                0,
  65                                options),
  66                   -1);
  67
  68   if (this->shm_malloc_->bad () != 0)
  69     {
  70       this->shm_malloc_->remove (); // Cleanup OS resources
  71       delete this->shm_malloc_;
  72       this->shm_malloc_ = 0;
  73       return -1;
  74     }
  75
  76   return 0;
  77 }
  78
  79 int
  80 ACE_MEM_SAP::close_shm_malloc (void)
  81 {
  82   ACE_TRACE ("ACE_MEM_SAP::close_shm_malloc");
  83
  84   int retv = -1;
  85
  86   if (this->shm_malloc_ != 0)
  87     this->shm_malloc_->release (1);
  88
  89   delete this->shm_malloc_;
  90   this->shm_malloc_ = 0;
  91
  92   return retv;
  93 }
  94
  95 #endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */
  96
  97 ACE_END_VERSIONED_NAMESPACE_DECL