Re: [Nmh-workers] mhstore -clobber

[Ralph Corderoy]

Hi David,

> > Strictly speaking, I wonder if it should be attempting to open(2)
> > each contender with O_CREAT | O_EXCL until one succeeds, at which
> > point it has the file descriptor to use.  Unlikely to be an issue
> > with interactive use but perhaps with some procmail-type handling?
> 
> Good point.  There isn't a clean way to pass the fd with the existing
> code.  Do you see any problems with this:
> 
>     if ((fd == open (file, O_CREAT | O_EXCL), mode) >= 0) {
>         close (fd);
>         break;
>     }
> 
> and later . . .
> 
>    fopen (file, "w") . . .

No, seems fine.  You covered the old NFS O_EXCL/link(2) workaround
already.

Cheers, Ralph.