Zamykani souboru

[Jan Kasprzak]

Milan Sorm wrote:
: # 	Ani tohle na NFS nefunguje (neni tam zadne open(...,O_CREAT|O_EXCL)).
: # Pokud uvazujete zamykani mezi ruznymi systemy pres NFS (a nemate
: # lockd/statd), jedine reseni je toto:
[...] 
: muzes k tomu nejak osvetlit, proc takto ? ja to nejak nemuzu pochopit...

	jeste jednou: open() neni na NFS atomicka operace, a to ani
s O_CREAT|O_EXCL. Zatimco link() a asi i rename() je atomicka operace.

-Yenya

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\ Jan "Yenya" Kasprzak <kas at fi.muni.cz>       http://www.fi.muni.cz/~kas/
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