comments on proposed uthread_write.c changes

Kern Sibbald kern at
Wed Sep 10 08:40:34 PDT 2003

On Wed, 2003-09-10 at 16:53, Garrett Wollman wrote:
> <<On 10 Sep 2003 09:19:43 +0200, Kern Sibbald <kern at> said:
> > Can you explain how you came to the conclusion that a non-zero
> > write may not return zero?  Keep in mind that from the
> > user's or my standpoint, we are talking about blocking
> > writes.
> That is not my conclusion.  My conclusion is that, if write() returns
> zero, it must be a permanent condition; that is to say, when write()
> returns zero it is not appropriate to retry, as one would do for a
> partial write of non-zero length.
> -GAWollman

Yes, sorry, I misunderstood -- my mistake.
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