[ntp:hackers] ntp and signalled IO

[Poul-Henning Kamp]

In message <4445020B.4070102 at sun.com>, Brian Utterback writes:

>> This silliness in NTPD has to stop at some point soon anwyay.
>> 
>> Doesn't Solaris have IP_RECVDSTADDR ?
>
>Shore do.

Then the multi-interface thing is not an issue.

>I am not sure that this is the only tricky part. My point with the
>recvbuffs is that ntpd currently tries to read messages as quickly
>as possible, and timestamps them as they are read [...]

Needless to say SO_TIMESTAMP is the right solution here.

I have not tried eventlib without SO_TIMESTAMP, but it needs to
be handled sensibly.

>So, is there a way in eventlib to prioritize the events in this
>manner?

Not that I know of.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.