Re: logd vs. Polygraph

Robert Collins wrote:

> Ouch. I wonder if squid is swallowing them itself (it has to keep the
> log pipe open to replace the log helper seamlessly.) I need to look into
> the select/poll stuff in more detail - unless Henrik or Adrian have any
> insight. (We open the fds using pipe(), then don't do anything with them
> other than pass them to the log helper. One of the ends gets marked as
> ipc.)

Only if you have installed a read select handler for the read fd, and are
actually reading stuff from there.

My guess is that the log pipe is made non-blocking. A simple test is to
"killall -STOP logd" and make sure Squid hangs as soon as the pipe buffer is
full.

--
Henrik