Re: Peeking at data on a socket (MSG_PEEK?)

Subject: Re: Peeking at data on a socket (MSG_PEEK?)
From: Quinn <email@hidden>
Date: Mon, 11 Aug 2003 11:29:24 +0100

At 21:51 +1000 10/8/03, Heath Raftery wrote:

I am hoping to be able to peek at data on a socket I have connected in my application, so I look at the start of the data, and still let existing functions read the entire data later.

Is your application performance sensitive, you shouldn't use MSG_PEEK. Doing so requires two trips into the kernel for each chunk of data, which is bad. OTOH, if performance isn't a big deal, MSG_PEEK should be fine.

I'm wondering if this option is supported on Mac OS X

AFAIK it's present and working.

S+E
--
Quinn "The Eskimo!" <http://www.apple.com/developer/>
Apple Developer Technical Support * Networking, Communications, Hardware
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References:
	>Peeking at data on a socket (MSG_PEEK?) (From: Heath Raftery <email@hidden>)

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