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Bruce Evans 9fa18570a2 Obtained from: partly from ancient patches of mine via 1.1.5 
Introduce TS_CONNECTED and TS_ZOMBIE states.  TS_CONNECTED is set
while a connection is established.  It is set while (TS_CARR_ON or
CLOCAL is set) and TS_ZOMBIE is clear.  TS_ZOMBIE is set for on to
off transitions of TS_CARR_ON that occur when CLOCAL is clear and
is cleared for off to on transitions of CLOCAL.  I/o can only occur
while TS_CONNECTED is set.  TS_ZOMBIE prevents further i/o.

Split the input-event sleep address TSA_CARR_ON(tp) into TSA_CARR_ON(tp)
and TSA_HUP_OR_INPUT(tp).  The former address is now used only for
off to on carrier transitions and equivalent CLOCAL transitions.
The latter is used for all input events, all carrier transitions
and certain CLOCAL transitions.  There are some harmless extra
wakeups for rare connection- related events.  Previously there were
too many extra wakeups for non-rare input events.

Drivers now call l_modem() instead of setting TS_CARR_ON directly
to handle even the initial off to on transition of carrier.  They
should always have done this.  l_modem() now handles TS_CONNECTED
and TS_ZOMBIE as well as TS_CARR_ON.

gnu/isdn/iitty.c:
Set TS_CONNECTED for first open ourself to go with bogusly setting
CLOCAL.

i386/isa/syscons.c, i386/isa/pcvt/pcvt_drv.c:
We fake carrier, so don't also fake CLOCAL.

kern/tty.c:
Testing TS_CONNECTED instead of TS_CARR_ON fixes TIOCCONS forgetting to
test CLOCAL.  TS_ISOPEN was tested instead, but that broke when we disabled
the clearing of TS_ISOPEN for certain transitions of CLOCAL.

Testing TS_CONNECTED fixes ttyselect() returning false success for output
to devices in state !TS_CARR_ON && !CLOCAL.

Optimize the other selwakeup() call (this is not related to the other
changes).

kern/tty_pty.c:
ptcopen() can be declared in traditional C now that dev_t isn't short.
 		1995-07-31 21:02:00 +00:00
bin Set NOSHARED=true, having this binary static makes it much easier to 1995-07-24 01:44:17 +00:00
eBones Final cleanup pass through Makefiles, now this stuff 1995-07-24 22:55:59 +00:00
etc Fix the mknod for spigot. 1995-07-30 12:56:26 +00:00
games Change `install' to `${INSTALL}' so that default install flags can be 1995-07-25 00:37:58 +00:00
gnu Don't build xditview unless the actual include files for X11 are present. 1995-07-29 17:47:53 +00:00
include Remove NOOBJ, we now need it. 1995-07-13 10:04:11 +00:00
lib Null terminate all strings returned by the dummy uname() routine, 1995-07-31 10:10:02 +00:00
libexec rexecd was not calling "setlogin()" when it should have. This was causing 1995-07-29 15:21:15 +00:00
lkm First incarnation of our Linux emulator or rather compatibility code. 1995-06-25 17:32:43 +00:00
release Sync this again with Mark M's changes so that he and I can diagnose 1995-07-25 19:13:20 +00:00
sbin Remove a newline from the output of savecore(8), so the bogus number 1995-07-30 13:10:56 +00:00
secure After pst and ache fixed secure telnet, it was still not in the main 1995-07-29 12:49:25 +00:00
share Minor corrections. 1995-07-31 01:18:46 +00:00
sys Obtained from: partly from ancient patches of mine via 1.1.5 1995-07-31 21:02:00 +00:00
tools/regression/usr.bin/sed BSD 4.4 Lite Usr.bin Sources 1994-05-27 12:33:43 +00:00
usr.bin Submitted by: Torbjorn Granlund <tege@matematik.su.se> 1995-07-31 04:22:07 +00:00
usr.sbin The other day someone brought me an old Apple Laserwriter II with a serial 1995-07-31 13:59:45 +00:00
COPYRIGHT This is the official 4.4 Lite copyright. 1994-09-11 07:53:28 +00:00
CVS-INFO Update the CVS template. 1995-07-23 17:37:22 +00:00
HW.TROUBLE Added the first three entries. Changed the intro a bit. 1994-08-28 20:48:37 +00:00
Makefile Remove trailing whitespace. 1995-05-29 23:50:55 +00:00
README Small tweak - I said that ESC-ESC aborted the install. It actually only 1994-11-10 04:28:15 +00:00
TODO Removed the ps through a pipe project since we decided this was 1995-04-23 21:34:23 +00:00

README 

   -----------------------------------------
       FreeBSD 2.0  ---  ALPHA Release                 ,        ,
   -----------------------------------------          /(        )`
                                                      \ \___   / |
Welcome to the ALPHA release of FreeBSD 2.0 - the     /- _  `-/  '
first public snapshot of our new 4.4BSD Lite based   (/\/ \ \   /\
operating system environment.  This install proce-   / /   | `    \
dure is also at the ALPHA stage, and contains only   O O   ) /    |
the minimum functionality required by an             `-^--'`<     '
*EXPERIENCED* person to install the system.         (_.)  _  )   /
It is our hope, of course, that the feedback         `.___/`    /
provided from this snapshot will                       `-----' /
greatly assist us in making the release   <----.     __ / __   \
of 2.0 much more user friendly.  Your     <----|====O)))==) \) /====
comments and criticisms are very          <----'    `--' `.__,' \
valuable to us, so please don't hesitate               |        |
in contacting us!  Full details on where and            \       /	/\
how to provide feedback are given below.           ______( (_  / \______/
                                                 ,'  ,-----'   |
This install procedure is ALPHA code, and        `--{__________)
may very possibly *DESTROY* the contents of your
ENTIRE DISK!  Please do not proceed with this installation
unless you've adequately backed up your data first!

If any errors occur during this installation, you can see them
by toggling over to the alternate screen - type ALT-F2 to switch
over, ALT-F1 to switch back to the install screen.  The debugging
output on the second screen may be very valuable to us in understanding
your bug report, so please be sure to take note of it when reporting
any failures in the installation!  Thanks!

Menus and scrolling output windows may be traversed with the arrow
and Page Up/Page Down keys.  To suspend the installation at any point,
hit ESC twice.  Hitting TAB will move the focus to different controls.
If you've ever dealt with a DOS installation, you'll know how to deal
with this.

For a more complete description of what's new in this release, please
see the release notes.

For more documentation on this system, it is recommended that you purchase
the 4.4BSD Document Set from O'Reilly Associates and the USENIX Association.
ISBN 1-56592-082-1  We have no connection with O'Reilly, we're just
satisfied customers!

Have fun, and please let us know of any problems you encounter with
this release!

Comments should be sent to:

	hackers@FreeBSD.org

Bug reports should be sent using the `send-pr' utility, if you
were able to get the system installed, otherwise to:

	bugs@FreeBSD.org

And general questions to:

	questions@FreeBSD.org


Please have patience if your questions are not answered right away -
this is an especially busy time for us, and our volunteer resources
are often strained to the limit (if not somewhat past!).

Thanks!

				The FreeBSD Project