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AX = 0D02h SI:DI = shared memory block handle DX = flagsbit 0:
Return immediately rather than suspending if serialization unavailablebit 1:
Shared rather than exclusive serialization bits 2-15 reserved (0)
Return:
CF clear if successful CF set on error AX = error code (8004h,8005h,8017h-8019h,8023h) (see #03143)
Notes: An exclusive serialization blocks any other serialization attempts for the same block by another virtual machine; a shared serialization blocks attempts at exclusive serialization by another virtual machine. Hosts are not required to detect deadlock. A client's interrupt handler can cancel a serialization call which caused it to block by calling AX=0D03h
Category: DOS Extenders - Int 31h - D
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