allocated, as noticed by Chuck Cranor. In addition to re-arranging
the assignment as suggested by Niklas Hallqvist, check to see if maxproc
is higher than the number of available user PTs. If it is, lower maxproc
to that value, the rationale being that it's much more desirable to have
fork() return EAGAIN than to have your system wedge.
XXX note that root can still raise maxproc with sysctl(2) later. It's
probably worth having further discussion about this issue, but until
everyone has time to think about it, this seems like an acceptable solution
for the time being.
This is a step towards getting the drivers ready for new config.
Clean up namespace, remove several instances of global arrays. Instead,
use a softc to carry state around. Where possible, pass a pointer to
the softc rather than a unit number.
Pointers to hardware and software constructs are now stored per port
in each instance of the softc (one softc per board) rather than indexed
by minor number.
This is a step towards getting the drivers ready for new config.
Clean up namespace, remove several instances of global arrays. Instead,
use a softc to carry state around. Where possible, pass a pointer to the
softc rather than a unit number.
bit is set. Works around the fact that the last process to have the
console open exits, the bit is cleared, and "syncing disks...", etc. is
not seen if the system is rebooted with reboot(8). Fixes PR #1455.
COMPAT_NOLABEL.
XXX One day when the world doesn't assume DEV_BSIZE bytes/sector, we'll be
able to actually use the stuff sensed from the drive, rather than a table.
be done. Set up a structure filled with function pointers in the
controller-specific probe routines, and jump through them, instead of
if()'ing our way though each operation.
Be a little more discriptive; print out the controller type found
during the probe in a way that's somewhat meaningful.
* Reset the card on "fresh open" as a sanity measure.
* Use the "secret bit" to enable interrupts.
* Make some parts look/behave like their cousins in dev/isa/com.c
* Set the FIFO threshold based on line speed.
* Be a little more informative when port is attached.
* Implement TIOC{G,S}FLAGS; ttyflags now works.
First two items prevent deadlock on some systems (notably the 380,
425, and 433) which some people have been reporting. Use of the
"secret bit" seems to be safe on systems which don't need it. Changes
tested on a 319, 340, 345, and 380.
* Implement TIOC{G,S}FLAGS; ttyflags works now.
* Reset the card on a "fresh open" as a sanity measure.
* Make dcmopen() and dcmclose() a little more like the
corresponding routines in the new dca.c
* Prompt user for disklabel information and label disk.
* Copy miniroot image from NFS server to `b' partition.
* Boot kernel in miniroot image into single-user mode.
Hooks for tape support are there, but the meat for that isn't implemented yet.
