0001433: [patch] tool for use of flock style locks in shell scripts

Notes
(0002613) vda 07-21-07 07:15	lock is too generic for a name. filelock? Needs busybox'ification a lot: * usage text has to be in usage.h * usage text is too terse (doesn't explain what applet is doing) * nuke "static int unlock" flags, use option_mask32 (many examples in other applets) * fprintf(stderr, "Can't open %s\n", file) => bb_perror_msg[_and_die] I'm a bit curious how you are actually using this applet.

(0002633) nbd 07-23-07 04:46	I wrote this applet to avoid race conditions in OpenWrt, where certain scripts (e.g. network scripts) may be called from hotplug and from the command line at the same time. If you have a use for this thing, I will clean it up and submit a new patch.

(0002635) bernhardf 07-23-07 05:34	nbd, This sounds rather like a reimplementation of creating lockfiles (and honouring them) in /var/lock/* Anyway. If you folks need it then you should really rewrite it with size in mind (and reuse busybox's facilities), imho. Please run the patch through the mailing list for comments if you desire it to be applied to busybox. TIA cheers,

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