STREAMS/UX for the HP 9000 Reference Manual

100
STREAMS/UX Multiprocessor Support
MP Synchronization Levels on a Uniprocessor
LOCK_ALLOC
No Yes
LOCK_DEALLOC
Yes, if use STREAMS/UX user lock orders. No
major
Yes No
makedev
Yes No
makedevice
Yes No
max
Yes No
min
Yes No
minor
Yes No
msgdsize
Yes No
msgpullup
Yes, if use STREAMS/UX user lock orders. No
noenable
Yes, if use STREAMS/UX user lock orders. No
OTHERQ
Yes No
pcmsg
Yes No
pullupmsg
Yes, if use STREAMS/UX user lock orders. No
put
No No
putbq
Yes, if use STREAMS/UX user lock orders. No
putctl
No No
putctl1
No No
putctl2
No No
putnext
No No
putnextctl
No No
putnextctl1
No No
Table 1 Holding Module or Driver Defined Spinlocks While Calling Utilities
Utility Spinlocks Can Be Held Across Call?
Differs From
SVR4 MP?