// $Id$

#include "ace/MEM_SAP.h"

#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)

#if defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/MEM_SAP.i"
#endif

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

ACE_ALLOC_HOOK_DEFINE(ACE_IPC_SAP)

void
ACE_MEM_SAP::dump (void) const
{
  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_LIB_TEXT ("ACE_MEM_SAP uninitialized.\n")));
  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}

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

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;
}

#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Write_Guard<ACE_Process_Mutex>;
template class ACE_Read_Guard<ACE_Process_Mutex>;
template class ACE_Malloc_T<ACE_MMAP_MEMORY_POOL, ACE_Process_Mutex, ACE_PI_Control_Block>;
template class ACE_Based_Pointer<ACE_MEM_SAP_Node>;
template class ACE_Based_Pointer_Basic<ACE_MEM_SAP_Node>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Write_Guard<ACE_Process_Mutex>
#pragma instantiate ACE_Read_Guard<ACE_Process_Mutex>
#pragma instantiate ACE_Malloc_T<ACE_MMAP_MEMORY_POOL, ACE_Process_Mutex, ACE_PI_Control_Block>
#pragma instantiate ACE_Based_Pointer<ACE_MEM_SAP_Node>
#pragma instantiate ACE_Based_Pointer_Basic<ACE_MEM_SAP_Node>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */

#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */