lock is an attempt at creating a shell script based locking mechanism for any file.. #Abandoned locks #Locking mechanism #Lock files #Locking #Mechanism #PID
lock is an attempt at creating a shell script based locking mechanism for any file. This mechanism attempts to deal safely with the case of abandoned locks by first locking the abandoned lock and then deleting it (recursively if needed).
I believe I have eliminated race conditions and would be curious if anyone could prove me wrong.
Provide a PID and a file to lock on. If the process with the PID exits, it will abandon any locks it holds.
lock PID file unlock file
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lock 2.2
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