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function KbQueueRelease(deviceIndex)
% KbQueueRelease([deviceIndex])
%
% Releases queue-associated resources; once called, KbQueueCreate
% must be invoked before using any of the other routines
%
% This routine is called automatically at clean-up (e.g., when
% 'clear mex' is invoked and can be omitted expense of keeping
% memory allocated and an additional thread running unnecessarily
%_________________________________________________________________________
%
% See also: KbQueueCreate, KbQueueStart, KbQueueStop, KbQueueCheck,
% KbQueueWait, KbQueueFlush, KbQueueRelease
% 8/19/07 rpw Wrote it.
% 8/23/07 rpw Modifications to add KbQueueFlush
if nargin < 1
deviceIndex = [];
end
% Try to release keyboard queue for 'deviceIndex' from our exclusive use:
if ~KbQueueReserve(3, 2, deviceIndex)
return;
end
KbQueueReserve(2, 2, deviceIndex);
if nargin == 0
PsychHID('KbQueueRelease');
elseif nargin > 0
PsychHID('KbQueueRelease', deviceIndex);
end
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