unlink() patch (was Cygwin CVS breaks PostgreSQL drop table)

[Earnie Boyd]

Corinna Vinschen wrote:
> 
> BTW, I have a naive question related to unlink. I had just another
> look into SUSv2 and to my surprise it defines the following error
> code:
> 
> [EBUSY]    The file named by the path argument cannot be unlinked
>            because it is being used by the system or another process
>            and the implementation considers this an error.
> 
> which basically means, if we try to unlink a file and that fails,
> we wouldn't have to force it by ugly tricks (delqueue) but just
> return EBUSY and Cygwin would still be SUSv2 compliant.
> 
> All: Would that be ok to change or would you like to keep the current
>      behaviour?
> 

I vote for EBUSY.  The delqueue has the potential to be more harmful
than good.

Earnie.

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