RETRY Reply code

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2 total messages Started by Hugh Bawtree Wed, 07 Dec 1988 20:33

#39

Author: Hugh Bawtree
Date: Wed, 07 Dec 1988 20:33

14 lines
968 bytes

Can you please tell me what the RETRY reply code means?

In particular, I would like to know what to do if I receive this
reply code after attempting to Send to a remote team.  Does RETRY
indicate the remote team has died, or does it just mean the kernel
had to try several times before successfully sending the message?
I.e. is RETRY a serious error or merely an informative warning?
Should I code all routines that do Sends the same way as the Read
function in Section B.7 of the V-system 6.0 Reference Manual?

Thanks for your help,

Hugh Bawtree
bawtree@cs.sfu.ca

Re: RETRY Reply code

#40

Author: David Cheriton
Date: Wed, 07 Dec 1988 23:32

7 lines
923 bytes

RETRY is supposed to only be used by a server when the server protocol
defines a sensible client action.  So, the I/O protocol defines that
the server can respond with a RETRY and an indication of the bytes read
or written.  The client is supposed to reissue the operation for the
remaining bytes to read or write.
  Thus, one should not have to anticipate receiving a RETRY in response to
an arbitrary Send.

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