In the FreeBSD base system, there are only two utilities that use struct
tty, namely pstat and sicontrol. The sicontrol utility calls the
TCSI_TTY ioctl(), which copies struct tty back to userspace.
sicontrol should not have this functionality. The same data is already
provided by pstat. If we really want to be able to export these numbers
through a file descriptor to userspace, we can export struct xtty, which
should provide a better abstraction. The ttystat option was only used as
a debugging aid.
This makes sicontrol compile in the mpsafetty branch.
Reviewed by: peter
Approved by: philip (mentor)
Disable some code which magics minor numbers into card/port numbers.
I think we will have to parse this from the device name in the future,
but I need to confer with peter@ about this.
Put sicontrol back in the build.
Troublespotter: dwhite
dynamically depending on the line speed(s). This should give the old
sizes and watermarks until drivers are changed.
Display the input watermarks in pstat and sicontrol.
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
Note that this is pretty light at the moment.. It's been gutted to remove
references to older features no longer in the driver.
Curses-based port monitoring is intended for the future.. :-)
Obtained from: Andy Rutter, <andy@acronym.co.uk>
