From: Gary Thomas <gthomas@redhat.com>
To: "Trenton D. Adams" <tadams@extremeeng.com>
Cc: eCos Discussion <ecos-discuss@sourceware.cygnus.com>
Subject: RE: [ECOS] TCP/IP Stack packet regrouping
Date: Mon, 16 Jul 2001 13:39:00 -0000 [thread overview]
Message-ID: <XFMail.20010716143849.gthomas@redhat.com> (raw)
In-Reply-To: <000201c10e36$941324f0$090110ac@TRENT>
On 16-Jul-2001 Trenton D. Adams wrote:
> >
> > > If not, in blocking mode it will most likely appear to
> > happen all at
> > > one time right?
> >
> > Not necessarily. read() can return early if _some_ data is
> > available.
>
> Are you saying that read () will return if ONLY some of the data is
> there, but will complete successfully if it's all there?
>
>
> So, to summarize what you said.
>
> Sending generally will send it all at once, and there's no need for a
> loop for the outgoing buffer?
> Receiving I should always do the loop just in case?
Yes, these comments are accurate, but only for TCP connections. Other
types of connections will have completely different behaviour/semantics.
next prev parent reply other threads:[~2001-07-16 13:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-16 12:51 Trenton D. Adams
2001-07-16 13:12 ` Grant Edwards
2001-07-16 13:20 ` Jonathan Larmour
2001-07-16 13:33 ` Trenton D. Adams
2001-07-16 13:39 ` Gary Thomas [this message]
2001-07-16 13:41 ` Trenton D. Adams
2001-07-16 13:45 ` Jonathan Larmour
2001-07-16 14:26 ` Grant Edwards
2001-07-16 14:36 ` Jonathan Larmour
2001-07-16 14:44 ` Trenton D. Adams
2001-07-16 15:09 ` Grant Edwards
2001-07-16 15:32 ` Grant Edwards
2001-07-16 15:35 ` Trenton D. Adams
2001-07-16 17:36 ` Grant Edwards
2001-07-16 15:35 ` Trenton D. Adams
2001-07-16 17:43 ` Grant Edwards
2001-07-17 6:06 ` [ECOS] Simulation under CCS (Code Composer Studio) SEBASTIEN ANDRE
2001-07-16 18:13 ` [ECOS] TCP/IP Stack packet regrouping Grant Edwards
2001-07-20 8:10 ` Trenton D. Adams
2001-07-20 8:15 ` Jonathan Larmour
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