/******************************* MODULE HEADER ******************************
 * initdll.c
 *        Dynamic Link Library initialization module.  These functions are
 *        invoked when the DLL is initially loaded by NT.
 *
 *        This document contains confidential/proprietary information.
 *        Copyright (c) 1991 - 1992 Microsoft Corporation, All Rights Reserved.
 *
 * Revision History:
 *  12:59 on Fri 13 Mar 1992    -by-    Lindsay Harris   [lindsayh]
 *      Update to create heap.
 *
 *     [00]    24-Jun-91    stevecat    created
 *     [01]     4-Oct-91    stevecat    new dll init logic
 *
 ****************************************************************************/

#include        "hp5sipch.h"

/*   Global data.
 */
HMODULE  g_hModule = 0;
HANDLE   hHeap;                      /* For whoever needs */
CRITICAL_SECTION HP5SiCriticalSection; 		/* Critical Section Object */

#define HEAP_MIN_SIZE   (   64 * 1024)
#define HEAP_MAX_SIZE   (1024 * 1024)


/*************************** Function Header ******************************
 * DllInitialize ()
 *    DLL initialization procedure.  Save the module handle since it is needed
 *  by other library routines to get resources (strings, dialog boxes, etc.)
 *  from the DLL's resource data area.
 *
 * RETURNS:
 *   TRUE/FALSE,  FALSE only if HeapCreate fails.
 *
 * HISTORY:
 *  13:02 on Fri 13 Mar 1992    -by-    Lindsay Harris   [lindsayh]
 *      Added HeapCreate/Destroy code.
 *
 *     [01]     4-Oct-91    stevecat    new dll init logic
 *     [00]    24-Jun-91    stevecat    created
 *
 *      27-Apr-1994 Wed 17:01:18 updated  -by-  Daniel Chou (danielc)
 *          Free up the HTUI.dll when we exit
 *
 ***************************************************************************/

BOOL
DllInitialize( hmod, ulReason, pctx )
PVOID     hmod;
ULONG     ulReason;
PCONTEXT  pctx;
{
   WCHAR   wName[MAX_PATH + 32];
   BOOL    bRet;
   UNREFERENCED_PARAMETER( pctx );

   g_hModule = hmod;
   bRet = TRUE;

   switch (ulReason) {

   case DLL_PROCESS_ATTACH:

      if( !(hHeap = HeapCreate(0, HEAP_MIN_SIZE, 0))) {
         bRet = FALSE;
      }
        
      InitializeCriticalSection(&HP5SiCriticalSection);
      break;

   case  DLL_PROCESS_DETACH:

      if (hHeap) {

         HeapDestroy(hHeap);
         hHeap = NULL;
       }

       DeleteCriticalSection(&HP5SiCriticalSection);
       break;
   }
   return(bRet);
}