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- BMIB
- Root control block for PDSE member and
directory pages.
- DIB
- A control
block that is used by PDSE processing to represent
a data set. It is the root from which all OPEN DCB information is
stored.
- DIRECTORY LOCK
- A lock that
is used to serialize the updates to the name and
attribute directories of the PDSE. When this lock is held, it is impossible
to perform any PDSE functions.
- FORMATWRITE
LOCK
- A lock that is used to serialize the operations that
are associated
with extending a PDSE and formatting space within the PDSE. When the
system holds this lock, it cannot open the PDSE or perform new-member
create functions on it, unless it is already open on the same system.
- HASH TABLE
- A structure that can
be used to allow for the lookup of various
PDSE control blocks, including DIBs and HL1Bs.
- HL1B
- A control block that is used by PDSE processing
to represent
the serialization for the PDSE.
- LATCH
- A serialization object that PDSE processing uses to maintain
the integrity of its control block structures. These latches are not
GRS latches. Other than the V SMS,PDSE|PDSE1commands,
there are no mechanisms that allow you to directly determine or modify
the status of the PDSE latches.
- LOCK
- The internal mechanism that is used to serialize access to the
PDSE internal structures.
- LSD and LADE
- Internal PDSE control block which represent the pages which
make up the directory or members of a PDSE.
- XCM
- The subcomponent of PDSE processing that is responsible for
communicating between systems using the XCF facilities.
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