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Int 21 Fn D1 - Novell Netware - Synchronization Services - Lock Logical [N]
AH = D1h
AL = lock type (00h exclusive, 01h shareable)
if function C6h lock mode 00h:
DL = mode
00h no wait
01h wait
if function C6h lock mode 01h: (Novell only)
BP = lock timeout in timer ticks (1/18 sec) 0000h = no wait
0000h no wait
Return: AL = status (see AH=CBh)
Desc: attempt to lock all logical record names listed in the log table
Notes: this function is supported by NetWare 4.6+, Advanced NetWare 1.0+,
Banyan VINES, and Alloy NTNX
status FFh will be returned if one or more logical records have been
exclusively locked by another process
locks on logical record names are advisory and may be ignored by other
applications
See Also: AH=C2h,AH=CBh,AH=D0h,AH=D3h,AH=D5h
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