DOKK / manpages / debian 10 / pcp / pmlock.1.en
PMLOCK(1) General Commands Manual PMLOCK(1)

pmlock - simple file-based mutex

$PCP_BINADM_DIR/pmlock [ -v ] file

pmlock attempts to acquire an exclusive lock by creating file with a mode of 0.

The exit status is 0 for success, 1 for failure.

To release the lock, unlink file.

In the event of a failure, the -v option produces an explanatory message on stdout.

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