christos 92a9826daf - Introduce a sysctl to control the default tty queue size kern.tty.qsize,
which defaults to 1024 as before.
- Add two ioctls TIOC{G,S}QSIZE to read and adjust the queue size on
  individual ptys.

NB: ttys (and ptys) still silently (or beepingly (IMAXBEL)) drop
    characters if the queue size is exceeded. I.e. you can appear
    to succeed writing to the {p,t}ty, but not all characters will
    have made it if the queue overflows.  CVS:
2011-09-24 00:05:38 +00:00
..
2011-09-19 08:53:30 +00:00
2011-09-23 14:26:23 +00:00
2011-09-17 08:23:36 +00:00