Re^2: File locking; downgrade an exclusive to a shared lock

by The_Dj (Beadle)

on Jul 12, 2013 at 05:47 UTC ( [id://1043878]=note: print w/replies, xml )

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+1 to lateral thinking.
-5 to server usability.

Comment on Re^2: File locking; downgrade an exclusive to a shared lock

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Re^3: File locking; downgrade an exclusive to a shared lock by hippo (Bishop) on Jul 12, 2013 at 09:13 UTC
Another lateral approach, then. Add into your script a write of the PID to a second, non-locked file after it has successfully gained the exclusive lock. Then your kill-script just needs to read the second, unlocked file and compare its timestamp to that of the locked file (to make sure the second file is not stale). Caveat: I'm not a Windows user, so this may be no use at all on that platform.	[reply]

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