DeleteCriticalSection EnterCriticalSection InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx LeaveCriticalSection SetCriticalSectionSpinCount TryEnterCriticalSection CriticalSectionTimeout unter the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager specifies the amount of seconds that a thread can hold a critical section.