PMLOCK(1)PMLOCK(1)NAMEpmlock - simple file-based mutex
SYNOPSIS
$PCP_BINADM_DIR/pmlock [ -v ] file
DESCRIPTIONpmlock 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 mes‐
sage on stdout.
Performance Co-Pilot SGI PMLOCK(1)