#include <precomp.h>

Include dependency graph for dllmain.c:

Functions
BOOL WINAPI	DllMain (_In_ HANDLE hDll, _In_ ULONG dwReason, _In_opt_ PVOID pReserved)

VOID WINAPI	GdiProcessSetup (VOID)

VOID WINAPI	GdiProcessShutdown (VOID)

BOOL WINAPI	GdiDllInitialize (_In_ HANDLE hDll, _In_ ULONG dwReason, _In_opt_ PVOID pReserved)

Variables
static BOOL	gbInitialized = FALSE

HGDIOBJ	stock_objects []

BOOL	SetStockObjects = FALSE

PDEVCAPS	GdiDevCaps = NULL

PGDIHANDLECACHE	GdiHandleCache = NULL

BOOL	gbLpk = FALSE

RTL_CRITICAL_SECTION	semLocal

CRITICAL_SECTION	gcsClientObjLinks

Function Documentation

◆ DllMain()

BOOL WINAPI DllMain	(	_In_ HANDLE	hDll,
		_In_ ULONG	dwReason,
		_In_opt_ PVOID	pReserved
	)

Definition at line 23 of file dllmain.c.

{
    UNREFERENCED_PARAMETER(pReserved);
 
    switch (dwReason)
    {
    case DLL_PROCESS_ATTACH :
        DisableThreadLibraryCalls(hDll);
        break;
 
    default:
        break;
    }
    return TRUE;
}

◆ GdiDllInitialize()

BOOL WINAPI GdiDllInitialize	(	_In_ HANDLE	hDll,
		_In_ ULONG	dwReason,
		_In_opt_ PVOID	pReserved
	)

Definition at line 79 of file dllmain.c.

{
    UNREFERENCED_PARAMETER(pReserved);
 
    switch (dwReason)
    {
        case DLL_PROCESS_ATTACH:
        {
            /* Don't bother us for each thread */
            // DisableThreadLibraryCalls(hDll);
 
            /* Initialize the kernel part of GDI first */
            if (!NtGdiInit()) return FALSE;
 
            /* Now initialize ourselves */
            GdiProcessSetup();
            break;
        }
 
        case DLL_THREAD_ATTACH:
        {
            NtCurrentTeb()->GdiTebBatch.Offset = 0;
            NtCurrentTeb()->GdiBatchCount = 0;
            break;
        }
 
        case DLL_PROCESS_DETACH:
        {
            /* Cleanup */
            GdiProcessShutdown();
            return TRUE;
        }
 
        default:
            return FALSE;
    }
 
    /* Very simple, the list will fill itself as it is needed */
    if (!SetStockObjects)
    {
        RtlZeroMemory(&stock_objects, NB_STOCK_OBJECTS); // Assume ROS is dirty
        SetStockObjects = TRUE;
    }
 
    return TRUE;
}

Referenced by DllMain().

◆ GdiProcessSetup()

VOID WINAPI GdiProcessSetup ( VOID )

Definition at line 45 of file dllmain.c.

{
    if (!gbInitialized)
    {
        gbInitialized = TRUE;
        hProcessHeap = GetProcessHeap();
 
        /* map the gdi handle table to user space */
        GdiHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
        GdiSharedHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
        GdiDevCaps = &GdiSharedHandleTable->DevCaps;
        CurrentProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
        GDI_BatchLimit = (DWORD) NtCurrentTeb()->ProcessEnvironmentBlock->GdiDCAttributeList;
        GdiHandleCache = (PGDIHANDLECACHE)NtCurrentTeb()->ProcessEnvironmentBlock->GdiHandleBuffer;
        RtlInitializeCriticalSection(&semLocal);
        InitializeCriticalSection(&gcsClientObjLinks);
        GdiInitializeLanguagePack(0);
    }
}

Referenced by ClientThreadSetupHelper(), and GdiDllInitialize().

◆ GdiProcessShutdown()

VOID WINAPI GdiProcessShutdown ( VOID )

Definition at line 67 of file dllmain.c.

{
    DeleteCriticalSection(&gcsClientObjLinks);
    RtlDeleteCriticalSection(&semLocal);
}

Referenced by GdiDllInitialize().

Variable Documentation

◆ gbInitialized

BOOL gbInitialized = FALSE

static

Definition at line 7 of file dllmain.c.

Referenced by GdiProcessSetup().

◆ gbLpk

BOOL gbLpk = FALSE

Definition at line 12 of file dllmain.c.

Referenced by GdiInitializeLanguagePack(), and GetFontLanguageInfo().

◆ gcsClientObjLinks

CRITICAL_SECTION gcsClientObjLinks

extern

Definition at line 10 of file clientobj.c.

Referenced by GdiCreateClientObjLink(), GdiGetClientObjLink(), GdiProcessSetup(), GdiProcessShutdown(), and GdiRemoveClientObjLink().

◆ GdiDevCaps

PDEVCAPS GdiDevCaps = NULL

Definition at line 10 of file dllmain.c.

Referenced by GdiProcessSetup(), and GetDeviceCaps().

◆ GdiHandleCache

PGDIHANDLECACHE GdiHandleCache = NULL

Definition at line 11 of file dllmain.c.

Referenced by GdiProcessSetup(), and hGetPEBHandle().

◆ semLocal

RTL_CRITICAL_SECTION semLocal

Definition at line 13 of file dllmain.c.

Referenced by GdiProcessSetup(), GdiProcessShutdown(), and LoadTheSpoolerDrv().

◆ SetStockObjects

BOOL SetStockObjects = FALSE

Definition at line 9 of file dllmain.c.