/***********************************************************************
* USER initialisation routine
*/
static BOOL process_attach(void)
{
HINSTANCE16 instance;
/* Create USER heap */
if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
else
{
USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
LocalInit16( USER_HeapSel, 32, 65534 );
}
/* some Win9x dlls expect keyboard to be loaded */
if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
winstation_init();
/* Initialize system colors and metrics */
SYSPARAMS_Init();
/* Setup palette function pointers */
palette_init();
/* Initialize built-in window classes */
CLASS_RegisterBuiltinClasses();
/* Initialize message spying */
if (!SPY_Init()) return FALSE;
return TRUE;
}
/***********************************************************************
* InitTask (KERNEL.91)
*
* Called by the application startup code.
*/
void WINAPI InitTask16( CONTEXT *context )
{
TDB *pTask;
INSTANCEDATA *pinstance;
SEGPTR ptr;
context->Eax = 0;
if (!(pTask = TASK_GetCurrent())) return;
/* Note: we need to trust that BX/CX contain the stack/heap sizes,
as some apps, notably Visual Basic apps, *modify* the heap/stack
size of the instance data segment before calling InitTask() */
/* Initialize the INSTANCEDATA structure */
pinstance = MapSL( MAKESEGPTR(CURRENT_DS, 0) );
pinstance->stackmin = OFFSETOF(NtCurrentTeb()->WOW32Reserved) + sizeof( STACK16FRAME );
pinstance->stackbottom = pinstance->stackmin; /* yup, that's right. Confused me too. */
pinstance->stacktop = ( pinstance->stackmin > LOWORD(context->Ebx) ?
pinstance->stackmin - LOWORD(context->Ebx) : 0 ) + 150;
/* Initialize the local heap */
if (LOWORD(context->Ecx))
LocalInit16( GlobalHandleToSel16(pTask->hInstance), 0, LOWORD(context->Ecx) );
/* Initialize implicitly loaded DLLs */
NE_InitializeDLLs( pTask->hModule );
NE_DllProcessAttach( pTask->hModule );
/* Registers on return are:
* ax 1 if OK, 0 on error
* cx stack limit in bytes
* dx cmdShow parameter
* si instance handle of the previous instance
* di instance handle of the new task
* es:bx pointer to command line inside PSP
*
* 0 (=%bp) is pushed on the stack
*/
ptr = stack16_push( sizeof(WORD) );
*(WORD *)MapSL(ptr) = 0;
context->Esp -= 2;
context->Eax = 1;
if (!pTask->pdb.cmdLine[0]) context->Ebx = 0x80;
else
{
LPBYTE p = &pTask->pdb.cmdLine[1];
while ((*p == ' ') || (*p == '\t')) p++;
context->Ebx = 0x80 + (p - pTask->pdb.cmdLine);
}
context->Ecx = pinstance->stacktop;
context->Edx = pTask->nCmdShow;
context->Esi = (DWORD)pTask->hPrevInstance;
context->Edi = (DWORD)pTask->hInstance;
context->SegEs = (WORD)pTask->hPDB;
}
