Re: Fire Engine??

David S. Miller
2003-11-26T20:03:58Z

On Wed, 26 Nov 2003 11:58:44 -0800
Paul Menage <menage@google.com> wrote:

> How about tracking the number of current sockets that have had timestamp
> requests for them? If this number is zero, don't bother with the
> timestamps. The first time you get a SIOCGSTAMP ioctl on a given socket,
> bump the count and set a flag; decrement the count when the socket is
> destroyed if the flag is set.

Reread what I said please, the user can ask for timestamps using CMSG
objects via the recvmsg() system call, there are no ioctls or socket
controls done on the socket. It is completely dynamic and
unpredictable.