scw 2963ff5c58 Add l_poll' to struct linesw' and provide an xxxpoll() entry point
in each tty driver to indirect through it.

This allows tty line-disciplines to handle poll(2) system calls.
2001-05-02 10:32:08 +00:00
..
2001-04-10 11:06:20 +00:00
2001-04-27 06:07:27 +00:00
2001-04-30 21:29:45 +00:00
2001-04-10 11:06:20 +00:00
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