TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

GLOSSARY
PI
See "priority interrupt."
PID
A Process IDentifier is used to identify a system program that is
the target of communication using the IPCF facility.
PIT
PSI system's internal data base.
PLT
The generic device name for plotter.
PHS
Pointer
The Packet Message Block where user data is stored to be sent to
another program, using IPCF.
1. A location or register
data. A pointer may
indexing.
containing an address rather than
be used in indirect addressing or in
Policy CPU
Pool
2. An instruction indicating the address, position, and length
of a byte of information (such as a byte pointer) .
In a symmetric multi-processing system, the CPU that provides
system initialization and other overhead functions for the rest
of the central processors.
One or more logically complete file structures that provide file
storage for the users and that require no special action on the
part of the user.
Pooled Resource
A pooled resource occurs when multiple
exist. You specify that a resource is
with the ENQ. monitor call.
copies of a resource
to be a pooled resource
Positioning operation
On the TOPS-10, the operation of moving the read-write heads of a
disk to the proper cylinder prior to a data transfer. This
operation requires the control for several micro-seconds to
initiate activity, but does not require the channel or memory
system.
Prime RIB
The first retrieval information block (RIB) of a file. This
block contains all file attributes and pointers to data blocks on
disk. Refer to RIB definition.
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