From owner-freebsd-net  Fri Mar  2  8:38:29 2001
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Date: Fri, 2 Mar 2001 11:38:17 -0500 (EST)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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To: "Jonathan Graehl" <jonathan@graehl.org>
Cc: "Freebsd-Net" <freebsd-net@FreeBSD.ORG>
Subject: safety from EINTR
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<<On Fri, 2 Mar 2001 00:58:39 -0800, "Jonathan Graehl" <jonathan@graehl.org> said:

> If a UDP socket selects readable, am I assured that the next read
> call will not block?

Not in the general case.  If you can be certain that there is no other
process with a file handle on the same socket, and considering
blocking only due to socket buffer exhaustion, then that assumption
*should* be valid.

-GAWollman


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