Turns out all application threads awaiting for Free elements from awaiting status.

Syntax:

BOOL __stdcall QueUnblockWaitFree(HANDLE hQue);

Parameters:

hQue

[in] HNQueue object handle.

Return values:

If this function succeeds the return value is TRUE.

Description:

Use QueUnblockWaitFree to close your application threads awaiting for Free elements correctly after your application work with HNQueue is finished.