INT 2F - MS WINDOWS 3+ - END CRITICAL SECTION
AX = 1682h
Notes:  not supported in Windows/386 2.x.  Get InDOS flag with INT 21/AH=34h
and decrement by hand, taking care not to decrement InDOS flag
through zero
SeeAlso: INT 15/AX=101Ch,INT 21/AH=34h

See also: 2F1681

2F1682 - MS WINDOWS 3+ - END CRITICAL SECTION