Re: 2.3: Designing a better serial subsystem.

Theodore Y. Ts'o (tytso@mit.edu)
Thu, 5 Nov 1998 17:27:02 -0500

I have been thinking about how to rework some of the tty interfaces for
2.3. In some cases, some functionality (like handling POSIX carrier
detect blocking opens) should be moved into the tty layer. In other
cases, there should be routines which can be called from the serial
driver to do common actions.

You'll notice that the tty driver has already slowly moved something out
of the serial drivers; the baud rate calculation and break timing
handling has already been moved up into the tty layer, although not all
serial drivers may be taking advantage of these new abstractions.

- Ted

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