comments on proposed uthread_write.c changes
Garrett Wollman
wollman at khavrinen.lcs.mit.edu
Wed Sep 10 07:53:28 PDT 2003
<<On 10 Sep 2003 09:19:43 +0200, Kern Sibbald <kern at sibbald.com> 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
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