global.h

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extern HANDLE		g_hIocpRing;
extern ULONG_PTR	g_dwComKeyRing;
extern PDEVICE_INFO *g_pDeviceInfo;
extern HANDLE       g_hInstance;
extern HLINEAPP     g_LineAppHandle;
extern HANDLE		g_HeapHandle;
extern DWORD		g_dwLines;
extern HANDLE		g_hCallbackIocp;
extern HANDLE		g_hWorkerThread;
// MemInitializeMacro is a macro to get the handle to the heap
#define MemInitializeMacro(hHeap) (g_HeapHandle = hHeap)

// MemAllocMacro is a macro to allocate dwBytes bytes of memory from the heap
//#define MemAllocMacro(dwBytes) (HeapAlloc(g_HeapHandle, HEAP_GENERATE_EXCEPTIONS | HEAP_ZERO_MEMORY, dwBytes))
#define MemAllocMacro(dwBytes) (HeapAlloc(g_HeapHandle, HEAP_ZERO_MEMORY, dwBytes))
// MemReAllocMacro is a macro to reallocate dwBytes bytes of memory from the heap
//#define MemReAllocMacro(lpMem, dwBytes) (HeapReAlloc(g_HeapHandle, HEAP_GENERATE_EXCEPTIONS | HEAP_ZERO_MEMORY, lpMem, dwBytes))
#define MemReAllocMacro(lpMem, dwBytes) (HeapReAlloc(g_HeapHandle, HEAP_ZERO_MEMORY, lpMem, dwBytes))

// MemFreeMacro is a macro to free a memory block allocated from the heap
#define MemFreeMacro(lpMem) (HeapFree(g_HeapHandle, 0, lpMem))

DWORD WINAPI WorkerThread(LPVOID lpParam);

BOOL PostJobStatus(HANDLE CompletionPort, ULONG_PTR  CompletionKey,DWORD dwPageCount, DWORD StatusId, DWORD ErrorCode);
unsigned short GetTiffPages(LPCTSTR lpszFileName);
BOOL PostJobStatus2(PDEVICE_INFO pd,DWORD ErrorCode);