Subject: Re: UDP path MTU discovery

From: Hagen Paul Pfeifer <[email-masked]>
Date: Thu, 1 Apr 2010 01:51:49 +0200

* Glen Turner | 2010-04-01 10:12:03 [+1030]:

>Does select() return from its blocking so the application can make
>use of this indication immediately, rather than after the
>application's exponentially-increasing wait?

Yes, poll() will return immediately with POLLERR.

>Is an incoming ICMP the only cause of EMSGSIZE?  That is, can an
>application safely retransmit immediately?

IIRC, yes.

Cheers, Hagen

-- 
Hagen Paul Pfeifer <[email-masked]>  ||  http://jauu.net/
Telephone: +49 174 5455209           ||  Key Id: 0x98350C22
Key Fingerprint: 490F 557B 6C48 6D7E 5706 2EA2 4A22 8D45 9835 0C22