File locking

[Michalis Kabrianis]

On 25-Aug-99 Bassoukos Tassos wrote:
> On Wed, 25 Aug 1999, Michalis Kabrianis wrote:
> 
> [snip flock() problem]
> 
> H lysh tou problhmatos edw einai aplh: aplws kaneis to flock() meta tnn
> open(). 
> 
> Ean anyshxeis gia to remove, des thn e3hs seira:
>   open()
>   flock()
>   remove()/unlink()
>   close()
> Nai, fainetai kapws para3eno, alla ta unix semantics (as me dior8wsei
> kapoios, den eimai ricudion) eggywntai oti ena arxeio 8a parameinei
> prospelasimo akoma kai ean to sbhseis[0].
> 
> Tassos
> [0] se ayth thn periptwsh, aplws to unlink() afairei to directory entry,
>     alla to inode paramenei valid mexri to teleytaio close().
> -- 
> Bassoukos Tassos   +30 31 996011 / +30 93 7109954
>  Computer Shaman and Informatics Thaumaturge
> 
> 

1) Thanks.
Ayta ta iksera (kai malista to oti afaireis ena arxeio alla ta inodes
paramenoun valid to antimetwpisa poly prosfata - molis xthes, kai exasa ligo
ton bousoula mexri na to katalabw), alla pali den yparxei tropos na min kanw
open ena idi locked arxeio. H na min kanw remove apo allo process, ena arxeio
poy to prwto process den prolabe na anoiksei. Dystyxws diladi den mou lynoun to
problima. Ektos an den katalaba kati.


On 25-Aug-99 Kleanthis Kremmidas wrote:
>Mmm, akribos den to thimamai alla sigoura to exw dei ston Stevens
>"Advanced Programming in Unix Enviroment"
>kai o kwdikas einai downloadable apo to Internet...
>
>http://www.kohala.com/~rstevens/


2) Kleanthi, to link einai fantastiko. Thanks a lot. 

Michalis Kabrianis
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