On Mon, Aug 27, 2007 at 03:24:20PM -0500, Robin Holt wrote:
> On Mon, Aug 27, 2007 at 08:35:10PM +0100, Al Viro wrote:
> > On Mon, Aug 27, 2007 at 02:19:06PM -0500, Dean Nelson wrote:
> >
> > > No operations can be done once it's closed, only while it's opened.
> >
> > What the hell do you mean, can't be done?
> >
> > fd = open(...);
> > fp = popen("/bin/date", "r");
> > /* read from fp */
> > fclose(fp);
>
> But this will operate on the dup'd fd. We detect that in the flush
> (ignore) and ioctl (return errors) operations. All other operations
> are not handled by xpmem.
How the hell do you detect dup'd fd? It's identical to the original
in every respect and it doesn't have to be held by a different task.
Seriously, what you are proposing makes no sense whatsoever...
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