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| #include <windows.h>
DWORD CALLBACK ThreadProc(PVOID pvParam);
int main()
{
HANDLE hMutex = CreateMutex(NULL, FALSE, NULL);
HANDLE hMutexDup, hThread;
DWORD dwThreadId;
DuplicateHandle(GetCurrentProcess(),
hMutex,
GetCurrentProcess(),
&hMutexDup,
0,
FALSE,
DUPLICATE_SAME_ACCESS);
hThread = CreateThread(NULL, 0, ThreadProc,
(LPVOID) hMutexDup, 0, &dwThreadId);
// Perform work here, closing the handle when finished with the
// mutex. If the reference count is zero, the object is destroyed.
CloseHandle(hMutex);
// Wait for the worker thread to terminate and clean up.
WaitForSingleObject(hThread, INFINITE);
CloseHandle(hThread);
return 0;
}
DWORD CALLBACK ThreadProc(PVOID pvParam)
{
HANDLE hMutex = (HANDLE)pvParam;
// Perform work here, closing the handle when finished with the
// mutex. If the reference count is zero, the object is destroyed.
CloseHandle(hMutex);
return 0;
} |
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