In rare cases, this sharing caused the ircd to skip
part of outgoing traffic, e.g. appearing as "not enough
parameters" errors on the other side.
The purpose of this flag can be fulfilled by the writeofs
in the bufhead.
libratbox r25227
This makes the kernel's state agree with our handler pointer.
SSL may need to suspend selecting for reading to write
something, e.g. with renegotiation.
libratbox r25223