INT 31 - DPMI 1.0+ - FREE SERIALIZATION ON SHARED MEMORY AX = 0D03h SI:DI = shared memory block handle DX = flags bit 0: release shared serialization rather than exclusive serialztn bit 1: free pending serialization bits 2-15 reserved (0) Return: CF clear if successful CF set on error AX = error code (8002h,8023h) (see #03143 at AX=0000h) SeeAlso: AX=0D00h,AX=0D02h