Bug#2881: syslogd doesn't treat pipes correctly

[Miquel van Smoorenburg <miquels@cistron.nl>]

You (Ian Jackson) wrote:
> If I could explain in a little more detail what I think the desirable
> behaviour would be:
>
> I'd like syslog to try to open the pipe for writing, or perhaps for
> both at once, and to discard output while there are no readers (eg, by
> catching or ignoring SIGPIPE and by ignoring EPIPE).

You can do a select() before trying to write() to see if there are
any readers present. Oh and you _do_ have to open the fifo O_RDWR with
newer kernels. (Same problem as with sysvinit < 2.60)

Mike.
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