Lock container file
Lock a container file in update
mode; this protects the file from being accessed by other writers. The file remains
explicitly locked until HDS_FREE
is called or until the file is physically closed.
CALL HDS_LOCK( LOC, STATUS )
LOC = CHARACTER
DAT__SZLOC ) (Given)
to the container file’s top-level object.
STATUS = INTEGER (Given
The global status.
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