mirror of
https://github.com/reactos/reactos.git
synced 2024-07-02 18:54:25 +00:00
130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
/*
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* dllmain.c
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*/
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#include <precomp.h>
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static BOOL gbInitialized = FALSE;
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extern HGDIOBJ stock_objects[];
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BOOL SetStockObjects = FALSE;
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PDEVCAPS GdiDevCaps = NULL;
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PGDIHANDLECACHE GdiHandleCache = NULL;
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BOOL gbLpk = FALSE;
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RTL_CRITICAL_SECTION semLocal;
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extern CRITICAL_SECTION gcsClientObjLinks;
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/*
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* GDI32.DLL does have an entry point for DisableThreadLibraryCalls().
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* The initialization is done by a call to GdiDllInitialize(). This
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* call is done from the entry point of USER32.DLL.
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*/
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BOOL
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WINAPI
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DllMain(
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_In_ HANDLE hDll,
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_In_ ULONG dwReason,
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_In_opt_ PVOID pReserved)
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{
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UNREFERENCED_PARAMETER(pReserved);
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switch (dwReason)
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{
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case DLL_PROCESS_ATTACH :
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DisableThreadLibraryCalls(hDll);
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break;
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default:
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break;
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}
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return TRUE;
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}
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VOID
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WINAPI
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GdiProcessSetup(VOID)
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{
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if (!gbInitialized)
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{
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gbInitialized = TRUE;
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hProcessHeap = GetProcessHeap();
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/* map the gdi handle table to user space */
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GdiHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
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GdiSharedHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
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GdiDevCaps = &GdiSharedHandleTable->DevCaps;
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CurrentProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
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GDI_BatchLimit = (DWORD) NtCurrentTeb()->ProcessEnvironmentBlock->GdiDCAttributeList;
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GdiHandleCache = (PGDIHANDLECACHE)NtCurrentTeb()->ProcessEnvironmentBlock->GdiHandleBuffer;
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RtlInitializeCriticalSection(&semLocal);
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InitializeCriticalSection(&gcsClientObjLinks);
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GdiInitializeLanguagePack(0);
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}
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}
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VOID
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WINAPI
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GdiProcessShutdown(VOID)
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{
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DeleteCriticalSection(&gcsClientObjLinks);
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RtlDeleteCriticalSection(&semLocal);
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GdiDllInitialize(
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_In_ HANDLE hDll,
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_In_ ULONG dwReason,
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_In_opt_ PVOID pReserved)
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{
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UNREFERENCED_PARAMETER(pReserved);
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switch (dwReason)
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{
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case DLL_PROCESS_ATTACH:
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{
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/* Don't bother us for each thread */
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// DisableThreadLibraryCalls(hDll);
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/* Initialize the kernel part of GDI first */
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if (!NtGdiInit()) return FALSE;
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/* Now initialize ourselves */
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GdiProcessSetup();
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break;
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}
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case DLL_THREAD_ATTACH:
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{
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NtCurrentTeb()->GdiTebBatch.Offset = 0;
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NtCurrentTeb()->GdiBatchCount = 0;
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break;
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}
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case DLL_PROCESS_DETACH:
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{
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/* Cleanup */
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GdiProcessShutdown();
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return TRUE;
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}
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default:
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return FALSE;
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}
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/* Very simple, the list will fill itself as it is needed */
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if (!SetStockObjects)
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{
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RtlZeroMemory(&stock_objects, NB_STOCK_OBJECTS); // Assume ROS is dirty
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SetStockObjects = TRUE;
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}
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return TRUE;
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}
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/* EOF */
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