On Jan 2, 2011, at 2:13 PM, John Altstadt wrote:

[...]
> 
> +     if (! -f $lock_file)
> +     {
> +         open(LOCK, "+>", $lock_file) or seppuku 150, "cannot create 
> $lock_file";
> +
[...]
> 
> I felt it was about time I contributed something back to the community again. 
> Please feel free to use this patch or criticize it as you see fit. It works 
> for me.

Good idea.  And for a suggestion: you should use a exclusive file lock 
(non-blocking to get the same behavior where you don't wait) to avoid the race 
condition that exists in the above code.

http://perldoc.perl.org/perlopentut.html#File-Locking

Eric

Attachment: PGP.sig
Description: This is a digitally signed message part

_______________________________________________
Dirvish mailing list
[email protected]
http://www.dirvish.org/mailman/listinfo/dirvish

Reply via email to