Omezeni spusteni procesu 2x

[Petr Novotny]

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On 7 Jul 00, at 10:30, Petr Simek wrote:

> Neslo by na zacatku dat neco na zpusob -
> 
> 'if not exist somefile ; touch somefile ; else exit'
> 
> a na konci 
> 
> 'rm somefile'

1. Delate si tam race condition :-)
2. Jeste by tam melo prijit nejake "trap", at vam nezustane viset 
lock, kdyz nekdo sestreli skript.

Ad 1: Primo z shellu to, AFAIK, neudelate. Pouzijte nejaky externi 
programek - kuprikladu "setlock" z daemontools od djb.

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--
Petr Novotny, ANTEK CS
Petr.Novotny na antek.cz
http://www.antek.cz
PGP key ID: 0x3BA9BC3F
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