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659 lines
17 KiB
659 lines
17 KiB
/*==========================================================================
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*
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* Copyright (C) 2001 Microsoft Corporation. All Rights Reserved.
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*
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* File: HandleTracking.cpp
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* Content: Handle Tracking debug logic
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 10/31/2001 masonb Created
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*
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*
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***************************************************************************/
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#include "dncmni.h"
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#ifdef DBG
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CBilink g_blHandles;
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#ifndef DPNBUILD_ONLYONETHREAD
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DNCRITICAL_SECTION g_HandleLock;
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#endif // !DPNBUILD_ONLYONETHREAD
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#define IsValidHandle(x) \
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(x != NULL && x != INVALID_HANDLE_VALUE && \
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(x->type == TypeEvent || \
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x->type == TypeMutex || \
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x->type == TypeSemaphore || \
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x->type == TypeFile || \
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x->type == TypeFileMap || \
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x->type == TypeThread || \
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x->type == TypeProcess || \
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x->type == TypeSpecial))
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BOOL DNHandleTrackInitialize()
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{
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g_blHandles.Initialize();
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return DNInitializeCriticalSection(&g_HandleLock);
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}
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VOID DNHandleTrackDeinitialize()
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{
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DNDeleteCriticalSection(&g_HandleLock);
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DNHandleTrackDumpLeaks"
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BOOL DNHandleTrackDumpLeaks()
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{
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BOOL fLeaked = FALSE;
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DNEnterCriticalSection(&g_HandleLock);
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while(!g_blHandles.IsEmpty())
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{
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DNHANDLE dnh = CONTAINING_RECORD(g_blHandles.GetNext(), TRACKED_HANDLE, blHandle);
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dnh->blHandle.RemoveFromList();
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fLeaked = TRUE;
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// Dump dnh details
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switch(dnh->type)
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{
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case TypeEvent:
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DPFX(DPFPREP, 0, "Event leaked %p", dnh->handle);
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break;
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case TypeMutex:
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DPFX(DPFPREP, 0, "Mutex leaked %p", dnh->handle);
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break;
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case TypeSemaphore:
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DPFX(DPFPREP, 0, "Semaphore leaked %p", dnh->handle);
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break;
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case TypeFile:
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DPFX(DPFPREP, 0, "File leaked %p", dnh->handle);
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break;
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#ifndef DPNBUILD_SINGLEPROCESS
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case TypeFileMap:
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DPFX(DPFPREP, 0, "FileMapping leaked %p", dnh->handle);
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break;
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#endif // ! DPNBUILD_SINGLEPROCESS
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case TypeThread:
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DPFX(DPFPREP, 0, "Thread leaked %p", dnh->handle);
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break;
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#ifndef DPNBUILD_SINGLEPROCESS
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case TypeProcess:
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DPFX(DPFPREP, 0, "Process leaked %p", dnh->handle);
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break;
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#endif // ! DPNBUILD_SINGLEPROCESS
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case TypeSpecial:
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DPFX(DPFPREP, 0, "Special handle leaked %p", dnh->handle);
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break;
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default:
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DPFX(DPFPREP, 0, "Unknown handle leaked %p", dnh->handle);
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DNASSERT(0);
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break;
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}
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// Show the callstack of the place the handle was allocated.
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TCHAR CallStackBuffer[ CALLSTACK_BUFFER_SIZE ];
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dnh->AllocCallStack.GetCallStackString( CallStackBuffer );
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DPFX(DPFPREP, 0, "%s\n", CallStackBuffer );
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DNFree(dnh);
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}
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DNLeaveCriticalSection(&g_HandleLock);
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return fLeaked;
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}
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DNHANDLE DNHandleTrackMakeDNHANDLE(HANDLE h)
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{
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if (h == 0 || h == INVALID_HANDLE_VALUE)
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{
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return (DNHANDLE)h;
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}
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeSpecial;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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return dnh;
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}
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VOID DNHandleTrackRemoveDNHANDLE(DNHANDLE dnh)
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{
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DNASSERT(IsValidHandle(dnh));
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.RemoveFromList();
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DNLeaveCriticalSection(&g_HandleLock);
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DNFree(dnh);
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}
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HANDLE DNHandleTrackHandleFromDNHANDLE(DNHANDLE h)
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{
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if (h == 0 || h == INVALID_HANDLE_VALUE)
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{
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return (HANDLE)h;
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}
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DNASSERT(IsValidHandle(h));
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return h->handle;
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}
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#ifndef DPNBUILD_SINGLEPROCESS
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// NOTE: pCurrentDirectory is const on the desktop, but non-const on WinCE
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BOOL DNHandleTrackCreateProcess(LPCTSTR lpApplicationName, LPTSTR lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes, LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags, LPVOID lpEnvironment, LPCTSTR lpCurrentDirectory, LPSTARTUPINFO lpStartupInfo, DNPROCESS_INFORMATION* lpProcessInformation)
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{
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PROCESS_INFORMATION pi;
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DWORD dwLastError;
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DNHANDLE dnhProcess = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnhProcess)
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{
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return FALSE;
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}
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DNHANDLE dnhThread = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnhThread)
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{
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DNFree(dnhProcess);
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return FALSE;
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}
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// NOTE: On CE only the current directory is declared non-const so cast it off
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#ifdef WINCE
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if (!CreateProcess(lpApplicationName, lpCommandLine, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpEnvironment, (LPTSTR)lpCurrentDirectory, lpStartupInfo, &pi))
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#else // !WINCE
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if (!CreateProcess(lpApplicationName, lpCommandLine, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpEnvironment, lpCurrentDirectory, lpStartupInfo, &pi))
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#endif // WINCE
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{
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dwLastError = GetLastError();
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DNFree(dnhProcess);
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DNFree(dnhThread);
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SetLastError(dwLastError);
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return FALSE;
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}
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dwLastError = GetLastError();
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dnhProcess->AllocCallStack.NoteCurrentCallStack();
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dnhProcess->handle = pi.hProcess;
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dnhProcess->type = TypeProcess;
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dnhProcess->blHandle.Initialize();
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dnhThread->AllocCallStack.NoteCurrentCallStack();
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dnhThread->handle = pi.hThread;
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dnhThread->type = TypeThread;
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dnhThread->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnhProcess->blHandle.InsertBefore(&g_blHandles);
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dnhThread->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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lpProcessInformation->hProcess = dnhProcess;
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lpProcessInformation->hThread = dnhThread;
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lpProcessInformation->dwProcessId = pi.dwProcessId;
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lpProcessInformation->dwThreadId = pi.dwThreadId;
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SetLastError(dwLastError);
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return TRUE;
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}
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DNHANDLE DNHandleTrackOpenProcess(DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwProcessId)
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{
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DWORD dwLastError;
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HANDLE h = OpenProcess(dwDesiredAccess, bInheritHandle, dwProcessId);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeProcess;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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#endif // ! DPNBUILD_SINGLEPROCESS
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DNHANDLE DNHandleTrackCreateThread(LPSECURITY_ATTRIBUTES lpThreadAttributes, DWORD dwStackSize, LPTHREAD_START_ROUTINE lpStartAddress, LPVOID lpParameter, DWORD dwCreationFlags, LPDWORD lpThreadId)
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{
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DWORD dwLastError;
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HANDLE h = CreateThread(lpThreadAttributes, dwStackSize, lpStartAddress, lpParameter, dwCreationFlags, lpThreadId);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeThread;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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DNHANDLE DNHandleTrackCreateEvent(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState, LPCTSTR lpName)
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{
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DWORD dwLastError;
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HANDLE h = CreateEvent(lpEventAttributes, bManualReset, bInitialState, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeEvent;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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DNHANDLE DNHandleTrackOpenEvent(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCTSTR lpName)
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{
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DWORD dwLastError;
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HANDLE h = OpenEvent(dwDesiredAccess, bInheritHandle, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeEvent;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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BOOL DNHandleTrackSetEvent(DNHANDLE hHandle)
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{
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DNASSERT(IsValidHandle(hHandle));
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DNASSERT(hHandle->type == TypeEvent);
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return SetEvent(hHandle->handle);
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}
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BOOL DNHandleTrackResetEvent(DNHANDLE hHandle)
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{
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DNASSERT(IsValidHandle(hHandle));
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DNASSERT(hHandle->type == TypeEvent);
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return ResetEvent(hHandle->handle);
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}
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DNHANDLE DNHandleTrackCreateMutex(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCTSTR lpName)
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{
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DWORD dwLastError;
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HANDLE h = CreateMutex(lpMutexAttributes, bInitialOwner, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeMutex;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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DNHANDLE DNHandleTrackOpenMutex(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCTSTR lpName)
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{
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DWORD dwLastError;
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HANDLE h = OpenMutex(dwDesiredAccess, bInheritHandle, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeMutex;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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BOOL DNHandleTrackReleaseMutex(DNHANDLE hHandle)
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{
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DNASSERT(IsValidHandle(hHandle));
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DNASSERT(hHandle->type == TypeMutex);
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return ReleaseMutex(hHandle->handle);
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}
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DNHANDLE DNHandleTrackCreateSemaphore(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCTSTR lpName)
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{
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DWORD dwLastError;
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HANDLE h = CreateSemaphore(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeSemaphore;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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BOOL DNHandleTrackReleaseSemaphore(DNHANDLE hHandle, LONG lReleaseCount, LPLONG lpPreviousCount)
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{
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DNASSERT(IsValidHandle(hHandle));
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DNASSERT(hHandle->type == TypeSemaphore);
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return ReleaseSemaphore(hHandle->handle, lReleaseCount, lpPreviousCount);
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}
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DNHANDLE DNHandleTrackCreateFile(LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
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{
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DWORD dwLastError;
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HANDLE h = CreateFile(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
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if (h == INVALID_HANDLE_VALUE)
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{
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return DNINVALID_HANDLE_VALUE;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeFile;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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#ifndef DPNBUILD_SINGLEPROCESS
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DNHANDLE DNHandleTrackCreateFileMapping(HANDLE hFile, LPSECURITY_ATTRIBUTES lpAttributes, DWORD flProtect, DWORD dwMaximumSizeHigh, DWORD dwMaximumSizeLow, LPCTSTR lpName)
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{
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DWORD dwLastError;
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// If someone wants to actually map a file, we need to make param 1 a DNHANDLE and do the appropriate work here.
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DNASSERT(hFile == INVALID_HANDLE_VALUE);
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HANDLE h = CreateFileMapping(hFile, lpAttributes, flProtect, dwMaximumSizeHigh, dwMaximumSizeLow, lpName);
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if (!h)
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{
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return 0;
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}
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dwLastError = GetLastError();
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DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
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if (!dnh)
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{
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CloseHandle(h);
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SetLastError(dwLastError);
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return 0;
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}
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dnh->AllocCallStack.NoteCurrentCallStack();
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dnh->handle = h;
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dnh->type = TypeFileMap;
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dnh->blHandle.Initialize();
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DNEnterCriticalSection(&g_HandleLock);
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dnh->blHandle.InsertBefore(&g_blHandles);
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DNLeaveCriticalSection(&g_HandleLock);
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SetLastError(dwLastError);
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return dnh;
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}
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DNHANDLE DNHandleTrackOpenFileMapping(DWORD dwDesiredAccess, BOOL bInheritHandle, LPCTSTR lpName)
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{
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DWORD dwLastError;
|
|
|
|
HANDLE h = OpenFileMapping(dwDesiredAccess, bInheritHandle, lpName);
|
|
if (!h)
|
|
{
|
|
return 0;
|
|
}
|
|
dwLastError = GetLastError();
|
|
|
|
DNHANDLE dnh = (DNHANDLE)DNMalloc(sizeof(TRACKED_HANDLE));
|
|
if (!dnh)
|
|
{
|
|
CloseHandle(h);
|
|
SetLastError(dwLastError);
|
|
return 0;
|
|
}
|
|
|
|
dnh->AllocCallStack.NoteCurrentCallStack();
|
|
dnh->handle = h;
|
|
dnh->type = TypeFileMap;
|
|
dnh->blHandle.Initialize();
|
|
|
|
DNEnterCriticalSection(&g_HandleLock);
|
|
dnh->blHandle.InsertBefore(&g_blHandles);
|
|
DNLeaveCriticalSection(&g_HandleLock);
|
|
|
|
SetLastError(dwLastError);
|
|
return dnh;
|
|
}
|
|
|
|
BOOL DNHandleTrackGetExitCodeProcess(DNHANDLE hHandle, LPDWORD lpExitCode)
|
|
{
|
|
DNASSERT(IsValidHandle(hHandle));
|
|
return GetExitCodeProcess(hHandle->handle, lpExitCode);
|
|
}
|
|
#endif // ! DPNBUILD_SINGLEPROCESS
|
|
|
|
DWORD DNHandleTrackWaitForSingleObject(DNHANDLE hHandle, DWORD dwMilliseconds)
|
|
{
|
|
DNASSERT(IsValidHandle(hHandle));
|
|
return WaitForSingleObject(hHandle->handle, dwMilliseconds);
|
|
}
|
|
|
|
DWORD DNHandleTrackWaitForSingleObjectEx(DNHANDLE hHandle, DWORD dwMilliseconds, BOOL bAlertable)
|
|
{
|
|
DNASSERT(IsValidHandle(hHandle));
|
|
return WaitForSingleObjectEx(hHandle->handle, dwMilliseconds, bAlertable);
|
|
}
|
|
|
|
DWORD DNHandleTrackWaitForMultipleObjects(DWORD nCount, CONST DNHANDLE *lpHandles, BOOL fWaitAll, DWORD dwMilliseconds)
|
|
{
|
|
DNASSERT(nCount <= MAXIMUM_WAIT_OBJECTS);
|
|
HANDLE rgh[MAXIMUM_WAIT_OBJECTS];
|
|
DWORD iHandle;
|
|
|
|
for (iHandle = 0; iHandle < nCount; iHandle++)
|
|
{
|
|
DNASSERT(IsValidHandle(lpHandles[iHandle]));
|
|
rgh[iHandle] = lpHandles[iHandle]->handle;
|
|
}
|
|
for (;iHandle < MAXIMUM_WAIT_OBJECTS; iHandle++)
|
|
{
|
|
rgh[iHandle] = 0;
|
|
}
|
|
return WaitForMultipleObjects(nCount, rgh, fWaitAll, dwMilliseconds);
|
|
}
|
|
|
|
DWORD DNHandleTrackWaitForMultipleObjectsEx(DWORD nCount, CONST DNHANDLE *lpHandles, BOOL fWaitAll, DWORD dwMilliseconds, BOOL bAlertable)
|
|
{
|
|
DNASSERT(nCount <= MAXIMUM_WAIT_OBJECTS);
|
|
HANDLE rgh[MAXIMUM_WAIT_OBJECTS];
|
|
DWORD iHandle;
|
|
|
|
for (iHandle = 0; iHandle < nCount; iHandle++)
|
|
{
|
|
DNASSERT(IsValidHandle(lpHandles[iHandle]));
|
|
rgh[iHandle] = lpHandles[iHandle]->handle;
|
|
}
|
|
for (;iHandle < MAXIMUM_WAIT_OBJECTS; iHandle++)
|
|
{
|
|
rgh[iHandle] = 0;
|
|
}
|
|
return WaitForMultipleObjectsEx(nCount, rgh, fWaitAll, dwMilliseconds, bAlertable);
|
|
}
|
|
|
|
DWORD DNHandleTrackSignalObjectAndWait(DNHANDLE hObjectToSignal, DNHANDLE hObjectToWaitOn, DWORD dwMilliseconds, BOOL bAlertable)
|
|
{
|
|
DNASSERT(IsValidHandle(hObjectToSignal));
|
|
DNASSERT(IsValidHandle(hObjectToWaitOn));
|
|
DNASSERT(hObjectToSignal->handle != hObjectToWaitOn->handle);
|
|
|
|
#ifdef WINNT
|
|
return SignalObjectAndWait(hObjectToSignal->handle, hObjectToWaitOn->handle, dwMilliseconds, bAlertable);
|
|
#else // ! WINNT
|
|
BOOL fResult;
|
|
|
|
fResult = SetEvent(hObjectToSignal->handle);
|
|
DNASSERT(fResult);
|
|
return WaitForSingleObjectEx(hObjectToWaitOn->handle, dwMilliseconds, bAlertable);
|
|
#endif // ! WINNT
|
|
}
|
|
|
|
BOOL DNHandleTrackCloseHandle(DNHANDLE hHandle)
|
|
{
|
|
DNASSERT(IsValidHandle(hHandle));
|
|
|
|
DNEnterCriticalSection(&g_HandleLock);
|
|
hHandle->blHandle.RemoveFromList();
|
|
DNLeaveCriticalSection(&g_HandleLock);
|
|
|
|
HANDLE h = hHandle->handle;
|
|
|
|
DNFree(hHandle);
|
|
|
|
return CloseHandle(h);
|
|
}
|
|
|
|
#endif // DBG
|