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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
//    ORB Services
// 
// = FILENAME
//    Memory_Pools
//
// = AUTHOR
//    Tim Harrison (harrison@cs.wustl.edu)
//
// ============================================================================

#ifndef ACE_MEMORY_POOLS_H
#define ACE_MEMORY_POOLS_H

#include "ace/Synch.h"
#include "Event_Channel.h"
#include "Dispatching_Modules.h"

// ************************************************************

#if defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION) || !defined (ACE_HAS_THREADS)
  typedef ACE_Null_Mutex ACE_MEMORY_POOL_MUTEX;
#else
  // Use the same object for each thread.  Therefore, we have to use
  // real synchronization.
  typedef ACE_Thread_Mutex ACE_MEMORY_POOL_MUTEX;
#endif /* ACE_HAS_THREAD_SPECIFIC_STORAGE || ACE_HAS_TSS_EMULATION || !ACE_HAS_THREADS */

typedef char 
        ACE_ES_Dispatch_Request_Chunk[sizeof (ACE_ES_Dispatch_Request)];

typedef ACE_Cached_Allocator<ACE_ES_Dispatch_Request_Chunk, ACE_MEMORY_POOL_MUTEX> 
        _ACE_Dispatch_Request_Allocator;

class TAO_ORBSVCS_Export ACE_ES_Dispatch_Request_Allocator : public _ACE_Dispatch_Request_Allocator
// = TITLE
//     Dispatch Request Allocator
//
// = DESCRIPTION
//     This just sets the size of the Event Container memory pool.
{
public:
  ACE_ES_Dispatch_Request_Allocator (void) :
    _ACE_Dispatch_Request_Allocator (ACE_ES_DISPATCH_REQUEST_MEMORY_POOL) {}
};

// ************************************************************

typedef char ACE_ES_Event_Container_Chunk[sizeof (ACE_ES_Event_Container)];

typedef ACE_Cached_Allocator<ACE_ES_Event_Container_Chunk, ACE_MEMORY_POOL_MUTEX> _ACE_Event_Container_Allocator;

class TAO_ORBSVCS_Export ACE_ES_Event_Container_Allocator : public _ACE_Event_Container_Allocator
// = TITLE
//     Event Container Allocator
//
// = DESCRIPTION
//     This just sets the size of the Event Container memory pool.
{
public:
  ACE_ES_Event_Container_Allocator (void) :
    _ACE_Event_Container_Allocator (ACE_ES_EVENT_CONTAINER_MEMORY_POOL) {}
};

// ************************************************************

typedef char ACE_ES_Event_Chunk[sizeof (RtecEventComm::Event)];

typedef ACE_Malloc<ACE_LOCAL_MEMORY_POOL, ACE_MEMORY_POOL_MUTEX> ACE_ES_Event_Allocator;
//typedef ACE_Cached_Allocator<ACE_ES_Event_Chunk, ACE_MEMORY_POOL_MUTEX> _ACE_Event_Allocator;

class TAO_ORBSVCS_Export ACE_ES_Memory_Pools
// = TITLE
//     Event Service Memory Pools.
//
// = DESCRIPTION
//     These have to be static in order to be accessed by operator
//     news, right?
{
public:
  static int thr_init (void);
  // This can be called by every thread that will access these memory
  // pools to preallocate the thread specific allocators.  It is not
  // mandatory.

  static void *new_Event_Container (void);
  static void delete_Event_Container (void *);
  static void *new_Dispatch_Request (void);
  static void delete_Dispatch_Request (void *);
  static void *new_Event (size_t);
  static void delete_Event (void *);

  typedef ACE_Singleton<ACE_ES_Dispatch_Request_Allocator,ACE_SYNCH_MUTEX> Dispatch_Request_;
  typedef ACE_Singleton<ACE_ES_Event_Container_Allocator,ACE_SYNCH_MUTEX> Event_Container_;
  typedef ACE_Singleton<ACE_ES_Event_Allocator,ACE_SYNCH_MUTEX> Event_;
};

#if defined (__ACE_INLINE__)
#include "Memory_Pools.i"
#endif /* __ACE_INLINE__ */

#endif /* ACE_MEMORY_POOLS_H */