USE_PACKET_TIMESTAMP
Eric S. Raymond
esr at thyrsus.com
Thu Jun 8 19:09:22 UTC 2017
Hal Murray via devel <devel at ntpsec.org>:
> Can anybody confirm that Solaris really doesn't have time stamps? I thought
> we decided that all modern OSes did. That's why we could rip out the SIGIO
> stuff.
>
> I took a quick google and couldn't find any mention of anything that looked
> like a time stamp in a Solaris man page for setsockopt. But some of the
> stuff I was looking at was surprisingly old.
>
> If Solaris doesn't support time stamps, I would expect ntp_packetstamp to die
> on a #error. What happened with it?
I factored the code so that if waf configure doesn't find a way to get packet
arrival times from the UDP layer it uses the arrival time collected in
userspace (ntp_packetstamp() isn't called or even built). So the loss
is exactly the lag in the network stack.
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