Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!rpi!crdgw1!ge-dab!puma!andrew.ATL.GE.COM!jnixon
From: jnixon@andrew.ATL.GE.COM (John F Nixon)
Newsgroups: comp.realtime
Subject: Re: Socket communication under VxWorks
Keywords: Losing bytes
Message-ID: <213@puma.ge.com>
Date: 27 Feb 90 21:28:49 GMT
References: <8202@pt.cs.cmu.edu>
Sender: news@puma.ge.com
Lines: 13

hmp@cive.ri.cmu.edu (Henning Pangels) writes:
>I'm using a TCP/IP socket (AF_INET, SOCK_STREAM) to transmit messages
>between processors on the backplane. Unfortunately, it appears that
>for some reason, the last byte sent is not received at the other end.

Do you do only a single read for it?  SOCK_STREAM does not guarantee that
a single write will show up at the other end in one piece.  You might try
waiting a bit and reading again, or MSG_PEEKing till all the data is there.


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jnixon@atl.ge.com                    ...steinmetz!atl.decnet!jnxion