Retrieves a value from the calling thread's specified local storage slot.

LPVOID RtTlsGetValue(
    DWORD tlsIndex
);

Parameters

tlsIndex

Index previously returned by a call to RtTlsAlloc.

Return Values

The value set by a call to RtTlsSetValue.  If RtTlsSetValue has not been called, the initial value 0xffffffff is returned. 

Success.

NULL

Failure. To determine the status code, call GetLastRtError.
Possible status values include:

Value	Description
E_CONTEXT	The TLS resource has not been initialized.
E_PARAM	The tlsIndex value is out of range.
E_STATE	The tlsIndex value was not allocated.

Note: If the previous value set by RtTlsSetValue was NULL, GetLastRtError returns E_OK.

Requirements