RtlRegisterWait - NtDoc

#ifndef _NTRTL_H

// Thread pool (old)

NTSYSAPI
NTSTATUS
NTAPI
RtlRegisterWait(
    _Out_ PHANDLE WaitHandle,
    _In_ HANDLE Handle,
    _In_ WAITORTIMERCALLBACKFUNC Function,
    _In_opt_ PVOID Context,
    _In_ ULONG Milliseconds,
    _In_ ULONG Flags
    );

#endif
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