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[lwip-devel] [task #6735] Provide new pbuf type: PBUF_RAM_NOCOPY
From: |
Jonathan Larmour |
Subject: |
[lwip-devel] [task #6735] Provide new pbuf type: PBUF_RAM_NOCOPY |
Date: |
Tue, 24 Apr 2007 13:58:50 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.10) Gecko/20070223 Fedora/1.5.0.10-1.fc5 Firefox/1.5.0.10 |
Follow-up Comment #3, task #6735 (project lwip):
Re comment #1: yep there's a lot of good things that become possible once we
have a way to know what we need to do with a pbuf.
Re comment #2: Since TCP is stream-based, I'm not sure why people would want
to use pbufs over the existing char * and length. Protocols that send dynamic
data can just send the char * and length directly, rather than having to wrap
a pbuf around it. And tcp_write() already takes a 'copy' flag after all.
Unless I'm misunderstanding what you're getting at?
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