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bc093719ca
freebsd-dev/usr.sbin
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Ed Schouten bc093719ca Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 
The last half year I've been working on a replacement TTY layer for the
FreeBSD kernel. The new TTY layer was designed to improve the following:

- Improved driver model:

  The old TTY layer has a driver model that is not abstract enough to
  make it friendly to use. A good example is the output path, where the
  device drivers directly access the output buffers. This means that an
  in-kernel PPP implementation must always convert network buffers into
  TTY buffers.

  If a PPP implementation would be built on top of the new TTY layer
  (still needs a hooks layer, though), it would allow the PPP
  implementation to directly hand the data to the TTY driver.

- Improved hotplugging:

  With the old TTY layer, it isn't entirely safe to destroy TTY's from
  the system. This implementation has a two-step destructing design,
  where the driver first abandons the TTY. After all threads have left
  the TTY, the TTY layer calls a routine in the driver, which can be
  used to free resources (unit numbers, etc).

  The pts(4) driver also implements this feature, which means
  posix_openpt() will now return PTY's that are created on the fly.

- Improved performance:

  One of the major improvements is the per-TTY mutex, which is expected
  to improve scalability when compared to the old Giant locking.
  Another change is the unbuffered copying to userspace, which is both
  used on TTY device nodes and PTY masters.

Upgrading should be quite straightforward. Unlike previous versions,
existing kernel configuration files do not need to be changed, except
when they reference device drivers that are listed in UPDATING.

Obtained from:		//depot/projects/mpsafetty/...
Approved by:		philip (ex-mentor)
Discussed:		on the lists, at BSDCan, at the DevSummit
Sponsored by:		Snow B.V., the Netherlands
dcons(4) fixed by:	kan
2008-08-20 08:31:58 +00:00
..
ac
accton
acpi Update to reflect reality: 2008-05-20 12:07:02 +00:00
adduser The original adduser/rmuser scripts in Perl used to modify the PATH 2008-07-30 18:37:21 +00:00
amd Don't always link statically with libwrap. By the time amd(8) 2008-03-29 18:13:15 +00:00
ancontrol Remove duplicate headers <sys/socket.h> 2008-04-21 07:25:26 +00:00
apm
apmd getopt(3) returns -1, not EOF when out of args. 2007-02-05 07:35:23 +00:00
arp Spell "blackhole" correctly and fix one grammar nit. 2008-03-24 22:57:55 +00:00
asf Make grammar a bit more consistent in this document. 2006-12-20 06:21:51 +00:00
audit Enable building of OpenBSM command line tools: 2006-02-02 10:15:30 +00:00
auditd Enable building of OpenBSM command line tools: 2006-02-02 10:15:30 +00:00
auditreduce auditreduce now requires OpenBSM's config/config.h, so add that to the 2006-09-25 11:56:20 +00:00
authpf Do not bypass WARNS machinery by hadcoding -Werror into CFLAGS. 2006-09-21 18:16:22 +00:00
bluetooth Add mandatory "security description" SDP parameter to the PANU profile 2008-03-19 00:06:30 +00:00
boot0cfg "-b /boot/mbr" is redundant, /boot/mbr is the default boot code for fdisk(8). 2007-06-07 07:43:04 +00:00
boot98cfg Correct typo in usage message. 2007-12-19 03:31:44 +00:00
bootparamd Remove a useless cast. 2008-08-02 00:10:02 +00:00
bsnmpd Use INSERT_OBJECT_INT_LINK_INDEX macro instead of TAILQ_INSERT_TAIL when 2008-06-01 14:09:54 +00:00
btxld Allow for a zero length 'loader'. 2008-04-05 10:26:20 +00:00
burncd
cdcontrol - Enhance volume handling 2008-07-14 13:22:09 +00:00
chkgrp
chown
chroot
ckdist Fix markup and change some layout; no content changes. 2006-12-27 13:52:57 +00:00
clear_locks Add missing library dependency. 2008-03-29 18:07:06 +00:00
config Allow kernel config files to include files other than those in the CWD, 2008-07-28 17:11:57 +00:00
cpucontrol - Fix error reporting. 2008-08-12 09:47:50 +00:00
crashinfo Add a script to perform simple analysis of a crash dump (either a full 2008-08-05 20:41:46 +00:00
cron Fix empty mailto (-m "") handling: somehow I missed all checks but the first, 2008-08-01 08:01:33 +00:00
crunch Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
ctm
cxgbtool fix include names 2007-03-15 04:09:40 +00:00
daemon Unbreak rev 1.7's getopt usage. The -f switch does not take an argument. 2007-04-19 16:43:30 +00:00
dconschat Set the default escape character as described in the manpage of dconschat(8). 2007-07-12 13:08:00 +00:00
devinfo Bump up the limit for when to print the resources for a given resource 2007-10-27 13:06:15 +00:00
digictl
diskinfo Print provider's ident when in verbose mode. 2007-05-06 00:25:21 +00:00
dnssec-keygen Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
dnssec-signzone Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
editmap
edquota Drag this code kicking and screaming into the twenty-first century. 2008-07-02 15:51:59 +00:00
eeprom Flush my typo fix queue for this directory. 2006-12-05 23:20:14 +00:00
extattr Invoke err() with a format string rather than directly with a passed 2008-07-15 16:07:34 +00:00
extattrctl
faithd Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
fdcontrol Force the use of the tbl(1) preprocessor. 2006-10-25 10:44:59 +00:00
fdformat Fix a nit noticed during translation. 2007-02-28 10:24:34 +00:00
fdread Remove unused variables. 2006-07-20 09:38:46 +00:00
fdwrite
fifolog Populate usage() 2008-05-14 23:29:02 +00:00
flowctl
freebsd-update In freebsd-update IDS, strip out file flags before we look for 2008-08-08 04:34:00 +00:00
ftp-proxy Link pf 4.1 to the build: 2007-07-03 12:46:08 +00:00
fwcontrol - add '-f' option to force root node. 2008-03-05 01:30:48 +00:00
getfmac
getpmac
gstat When the ms/req fields exceed 1 second, drop the fractions to fit more digits. 2008-01-06 12:12:44 +00:00
ifmcstat mdoc fix: Add missing .El request 2007-10-30 16:04:23 +00:00
inetd o inetd(8) requires wait/nowait column in inetd.conf for 2008-01-12 21:09:48 +00:00
iostat Use kvm_getcptime(3) to fetch the global CPU time stats from a crashdump 2008-08-19 21:33:09 +00:00
ip6addrctl Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
ipfwpcap Add a signal handler for SIGINT to make sure that the PID file 2007-10-12 14:57:39 +00:00
IPXrouted Use printf formats which match the variable types without casts so we 2007-11-17 23:09:39 +00:00
jail Bump date. 2007-04-05 21:17:52 +00:00
jexec Fix some bugs/complaints: 2008-05-29 17:00:01 +00:00
jls
kbdcontrol Some clarifications to make keyboard configuration under syscons. 2008-01-29 18:28:50 +00:00
kbdmap Output keymap choice to stderr so it is easier to parse for apps chained to 2007-08-27 21:56:42 +00:00
kernbb
keyserv Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
kgmon Correct a typo 2006-06-29 09:18:16 +00:00
kgzip
kldxref These are the things that the tinderbox has problems with because it 2007-11-20 02:07:30 +00:00
lastlogin
lmcconfig Style. 2006-09-01 09:24:28 +00:00
lpr Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
lptcontrol
mailstats
mailwrapper Markup fixes. 2006-09-29 17:57:04 +00:00
makemap
manctl
memcontrol
mergemaster Document the AUTO_UPGRADE (-U) knob for .mergemasterrc 2008-06-11 18:54:06 +00:00
mixer mixer(8) is WARNS=6 clean since 1.25. 2008-03-16 08:06:36 +00:00
mld6query These IPv6-only tools have no explicit dependency on the INET6 macro. 2006-07-27 15:31:13 +00:00
mlxcontrol
mount_nwfs Use sysctlbyname() instead of sysctl 2006-05-11 17:23:57 +00:00
mount_portalfs Decrease to WARNS=3. 2007-01-20 23:24:11 +00:00
mount_smbfs Convert mount_smbfs to use nmount(). 2005-11-16 02:47:12 +00:00
mountd - more mark-up fixes 2008-07-01 19:54:02 +00:00
moused Improve the virtual scrolling mechanism to make middle clicking less 2008-05-15 15:05:02 +00:00
mptable
mtest Import rewrite of IPv4 socket multicast layer to support source-specific 2007-06-12 16:24:56 +00:00
mtree Add the mtree.5 manpage. I'll come back soon and 2008-01-01 06:15:57 +00:00
named Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
named-checkconf Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
named-checkzone Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
named.reload
ndiscvt remove reference for unexisting ndisapi(9) 2008-07-23 05:50:17 +00:00
ndp Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
newsyslog Fix 6-year old cut&paste error. The # could be escaped with '\', not 2008-06-26 07:02:47 +00:00
nfsd Previous revision was broken on SPARC, fix it by using more appropriate type. 2005-12-21 10:12:05 +00:00
ngctl Modify the DoParseCommand() to work on (const char *) instead of just 2008-06-28 12:31:30 +00:00
nghook
nologin Update nologin(5) to match the modern reality of login.conf(5) and PAM. 2007-05-10 11:22:24 +00:00
nscd These are the things that the tinderbox has problems with because it 2007-11-20 02:07:30 +00:00
ntp Delete description of non-existent options: "-4" and "-6". 2007-06-12 13:28:55 +00:00
nvram Revise markup. 2006-09-30 19:07:03 +00:00
ofwdump De-sparc64-ify (now that it's also installed on PowerPC). 2008-01-31 14:58:55 +00:00
pccard Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
pciconf Include agpreg.h from it's new location. 2007-11-13 01:30:40 +00:00
periodic - The weekly periodic runs occur on Saturday mornings, not on Sunday mornings 2007-09-07 21:54:45 +00:00
pkg_install Use humanize_number to report pen-sizes so people don't have to count 2008-08-07 14:48:35 +00:00
pmccontrol Fix pmccontrol(8) on Intel Xeon's running in 64 bit mode. 2006-02-27 14:25:32 +00:00
pmcstat Fix a regression: attach process PMCs to the process created when 2008-07-01 15:20:15 +00:00
pnpinfo Remove alpha left-overs. 2006-08-22 08:03:01 +00:00
portsnap Add support for specifying which INDEX files to build via portsnap.conf. 2008-05-17 16:26:27 +00:00
powerd Add an abbreviation for adaptive mode, and document all the abreviations. 2008-06-22 17:52:57 +00:00
ppp Make ppp use <termios.h>, not <sys/tty.h>. 2008-06-05 17:46:32 +00:00
pppctl
pppd Add missing <stdlib.h> for exit() 2007-11-07 10:57:35 +00:00
pppstats Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
praliases
praudit Enable building of OpenBSM command line tools: 2006-02-02 10:15:30 +00:00
procctl
pstat Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
pw Use arc4random_uniform() to avoid "modulo bias" 2008-08-16 15:41:03 +00:00
pwd_mkdb
quot Drag this code kicking and screaming into the twenty-first century. 2008-07-02 15:51:59 +00:00
quotaon Drag this code kicking and screaming into the twenty-first century. 2008-07-02 15:51:59 +00:00
rarpd
raycontrol
repquota Drag this code kicking and screaming into the twenty-first century. 2008-07-02 15:51:59 +00:00
rip6query Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
rmt
rndc Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
rndc-confgen Update bmake glue for the BIND 9.4.1 import. 2007-06-02 23:19:58 +00:00
route6d Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
rpc.lockd Re-implement the client side of rpc.lockd in the kernel. This implementation 2008-06-26 10:21:54 +00:00
rpc.statd Re-implement the client side of rpc.lockd in the kernel. This implementation 2008-06-26 10:21:54 +00:00
rpc.umntall
rpc.yppasswdd These are the things that the tinderbox has problems with because it 2007-11-20 02:07:30 +00:00
rpc.ypupdated Kill blank line at EOF. 2007-02-15 02:45:14 +00:00
rpc.ypxfrd o There is no securenets(5) man page, refer to ypserv(8). 2006-11-02 07:36:33 +00:00
rpcbind No network addresses in the system isn't a good excuse 2008-02-14 20:12:23 +00:00
rrenumd Cleanup of userland __P use 2007-11-07 10:53:41 +00:00
rtadvd Change 2 arc4random modulo operations to arc4random_uniform() as 2008-07-26 15:39:32 +00:00
rtprio
rtsold Change arc4random to arc4random_uniform since modulo is not power of 2, 2008-07-26 15:46:39 +00:00
rwhod
sa Ensure that the -s flag truncates the accounting data. 2008-02-21 07:12:56 +00:00
sade Move sysinstall/sade away from TIOCGSIZE. 2008-05-23 14:24:33 +00:00
sendmail This FFR is no longer needed in sendmail 8.14 2007-04-09 01:45:52 +00:00
setfib Switch to using the setfib syscall instead of a syscall(175,...) 2008-07-24 18:01:50 +00:00
setfmac An average consumer of fts(3) that avoids keeping pointers to old 2008-01-29 17:50:29 +00:00
setpmac
sicontrol Remove sicontrol(8)'s "ttystat". 2008-06-09 08:43:27 +00:00
sliplogin
slstat Correct xref to systat(1) which was mispelled as ststat(1) in 1.5. 2005-11-29 16:33:44 +00:00
smbmsg Force the use of the tbl(1) preprocessor. 2006-10-25 10:44:59 +00:00
snapinfo Imagine a situation where: 2007-03-16 12:36:54 +00:00
spkrtest
spray
sysinstall Catch up with the removal of /usr/src/compat. 2008-08-14 13:35:22 +00:00
syslogd Allow comment to be placed at the end of a configuration line. 2008-07-09 07:37:54 +00:00
tcpdchk Reimplementation of world/kernel build options. For details, see: 2006-03-17 18:54:44 +00:00
tcpdmatch Reimplementation of world/kernel build options. For details, see: 2006-03-17 18:54:44 +00:00
tcpdrop Normalize usage output. 2007-10-31 13:49:20 +00:00
tcpdump Update for tcpdump 3.9.8 2007-10-16 02:32:44 +00:00
timed getopt returns an int, not a char. Make sure that we store the 2008-06-02 04:50:47 +00:00
traceroute Add AS lookup functionality. On each hop we query a whois server to 2008-02-20 23:29:53 +00:00
traceroute6 Give traceroute6 the ability to traceroute with packets with no 2008-02-10 21:06:38 +00:00
trpt Obey MK_INET6_SUPPORT. 2006-07-27 14:52:12 +00:00
tzsetup - Replace rcsid with __FBSDID. 2008-06-03 22:34:52 +00:00
ugidfw Add some new options to mac_bsdestended. We can now match on: 2006-04-23 17:06:18 +00:00
usbdevs
vidcontrol Tweak some wording and markup. 2006-12-22 23:23:59 +00:00
vipw s/insure/ensure/ in previous commit. My dictionary and m-w.com say they 2005-10-28 22:47:40 +00:00
watch Convert the snp(4) driver to use cdevpriv. 2008-08-15 13:07:07 +00:00
watchdogd Don't exit from watchdogd on receiving a signal if we cannot stop the watchdog. 2006-12-15 22:47:36 +00:00
wlandebug misc cleanups for stricter compilation 2008-05-28 23:37:37 +00:00
wlconfig
wpa - install the example wpa_supplicant.conf file to the share/examples/etc 2008-07-01 21:52:49 +00:00
yp_mkdb
ypbind
yppoll
yppush Remove unsafe use of asynchronous I/O (the SIGIO handler could cause 2006-08-16 12:58:41 +00:00
ypserv Add -P <port> option to allow binding to a specific port. 2008-02-03 17:39:37 +00:00
ypset Increase helpfulness in diagnostic message - ypbind running without -ypset or 2007-02-28 22:49:12 +00:00
zic getopt(3) returns -1, not EOF. 2008-02-19 07:09:19 +00:00
zzz
Makefile - Add cpuctl(4) pseudo-device driver to provide access to some low-level 2008-08-08 16:26:53 +00:00
Makefile.inc