[OpenWrt-Devel] [PATCH] busybox: lock: implement -n "Fail rather than wait"

[Bastian Bittorf]

* Alexander Couzens <lynxis at fe80.eu> [06.08.2015 19:05]:
> lock -n is similiar to flock -n. If the lock was already taken,
> fail with exit code = 1 and write error message to stderr.

sorry, forget to ask:
is this "more" atomic than 'mkdir mypath || return'?

bye, bastian
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