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117 Commits

Author SHA1 Message Date
plunky 6e74f4625b Writes on the controlling tty were not being awoken from blocks, 
use the correct condvar to make this happen.

this fixes PR/41566
 2009-06-12 09:26:50 +00:00
uebayasi 7c002f258b KNF. ANSI'fy. 2009-03-09 16:19:22 +00:00
yamt cb1e92d5d5 malloc -> kmem_alloc 2009-01-22 14:38:34 +00:00
mrg c10479b8ff explicitly include <sys/ioctl_compat.h> since we explicitly use 
symbols defined in it.  fixes various build issues.
 2008-11-15 05:58:33 +00:00
ad 7cd41bb376 Remove unneeded compat ifdef. 2008-11-14 23:04:42 +00:00
drochner 6d1cbe3695 Make ioctl(FIONREAD) on the master side of a pty return the amount of 
data which can be read, as expected. Before, the call fell through a
"case" statement and was forwarded to the slave side, returning the
data which can be read by the slave.
The new behaviour also matches Linux and OSF/1.
 2008-09-03 16:47:34 +00:00
ad 45850c3df9 PPWAIT need only be locked by proc_lock, so move it to proc::p_lflag. 2008-06-16 10:15:57 +00:00
ad 5e4b324300 Properly fix the "hanging in tty" bug that was worked around with cv_wakeup() 
some time again.
 2008-05-25 19:22:21 +00:00
ad 664f91e474 Improve ^T / SIGINFO handling: 
- Restore code removed during LWPification.
- Don't touch proc state from a hardware interrupt handler.
- Fix the locking.
 2008-04-20 19:22:44 +00:00
rmind c6186face4 Welcome to 4.99.55: 
- Add a lot of missing selinit() and seldestroy() calls.

- Merge selwakeup() and selnotify() calls into a single selnotify().

- Add an additional 'events' argument to selnotify() call.  It will
  indicate which event (POLL_IN, POLL_OUT, etc) happen.  If unknown,
  zero may be used.

Note: please pass appropriate value of 'events' where possible.
Proposed on: <tech-kern>
 2008-03-01 14:16:49 +00:00
ad f38bbfb0c5 Pull up 1.104.2.3: 
Avoid mutex recursion with kqueue. Reported by martin@.
 2007-12-30 22:03:01 +00:00
ad 4caeb79017 Restore seperate condvars for clist i/o and clist control activity. 
Fixes lockups with concurrent output to ttys. kern/37455
 2007-12-22 02:21:29 +00:00
pooka 4e38160d4d Do not "return 1" from kqfilter for errors. That value is passed 
directly to the userland caller and results in a mysterious EPERM.
Instead, return EINVAL or something else sensible depending on the
case.
 2007-12-05 17:19:46 +00:00
ad 3f269d8907 Tidy up the locking a bit. 2007-11-19 19:47:00 +00:00
ad dc26833bb6 - Factor out too many copies of the same bit of tty code. 
- Fix another tty signalling/wakeup problem.
 2007-11-19 18:51:36 +00:00
ad d37935697b Merge tty changes from the vmlocking branch. 2007-11-07 15:56:11 +00:00
pooka 052ed1b786 wrap calls to pgsignal() in proclist_mutex 2007-04-17 19:52:56 +00:00
ad 194273271b Use mutexes/condvars. 2007-03-12 21:33:07 +00:00
christos 53524e44ef Kill caddr_t; there will be some MI fallout, but it will be fixed shortly. 2007-03-04 05:59:00 +00:00
ad b07ec3fc38 Merge newlock2 to head. 2007-02-09 21:55:00 +00:00
elad b5a8324144 Use KAUTH_DEVICE_TTY_OPEN instead of comparing euid to zero. 2006-12-22 21:56:19 +00:00
yamt 1a7bc55dcc remove some __unused from function parameters. 2006-11-01 10:17:58 +00:00
christos 4d595fd7b1 - sprinkle __unused on function decls. 
- fix a couple of unused bugs
- no more -Wno-unused for i386
 2006-10-12 01:30:41 +00:00
xtraeme 75d2d9715c Remove duplicated includes, from Jeff Ito -> PR kern/26113. Thanks. 2006-09-23 15:36:12 +00:00
christos 740d87bac5 adjust resid in one more place. 2006-08-03 22:06:55 +00:00
christos 75300d10c2 don't drop characters that we've copied in when we block. 2006-08-03 22:03:18 +00:00
ad f474dceb13 Use the LWP cached credentials where sane. 2006-07-23 22:06:03 +00:00
christos 95e13e63bd Introduce SA_NOKERNINFO, a flag for SIGINFO not to print kernel messages. 2006-06-03 18:18:26 +00:00
elad 215bd95ba4 integrate kauth. 2006-05-14 21:15:11 +00:00
christos 5cf38f035b Strip the chrooted portion of the path from the reported pty path. Reported 
and tested by Lasse Kliemann. Thanks!
 2006-04-13 17:44:24 +00:00
christos 81b9ed737b Move ISSET/SET/CLR macros to sys/types.h 2006-03-05 16:57:16 +00:00
christos 95e1ffb156 merge ktrace-lwp. 2005-12-11 12:16:03 +00:00
ws 9d78e0cf36 PR-30566: Poll must not return <sys/errno.h> values. 
Start with those places I can easily test.
 2005-06-21 14:01:11 +00:00
christos efb6943313 - add const. 
- remove unnecessary casts.
- add __UNCONST casts and mark them with XXXUNCONST as necessary.
 2005-05-29 22:24:14 +00:00
perry da8abec863 nuke trailing whitespace 2005-02-26 21:34:55 +00:00
christos dfa8d84485 PR/25749: Peter Postma: Missing splx() in kernel. 2004-11-13 19:16:18 +00:00
christos f03f3b9452 Split the ptm driver out of tty_pty.c into its own file. From that split 
the code that `knows' about /dev/[pt]tyXX names (the BSD ptys) into a separate
file. Make an interface to be used by the tty creating provider. The code
to enable old PTY searching via ptm is enabled via COMPAT_BSDPTY, and it
is turned on by default on all kernels that have compatibility options enabled.
 2004-11-10 17:29:54 +00:00
christos c22e4ed8cd ptm is now mandatory, depends on pty, and can be disabled with -DNO_DEV_PTM 2004-06-18 15:02:29 +00:00
lha a9970d44c9 Return directly when pty_alloc_master failes in ptmioctl, 
bug-report on current users from Denis Lagno  dlagno at smtp dot ru.
Make debug message in pty_alloc_master to match the code.
 2004-06-05 11:23:15 +00:00
christos 3d4ca09443 turn off debugging. 2004-05-27 03:56:49 +00:00
christos 917cdbbd9e Unix 98 pty multiplexor device; original code from OpenBSD. 2004-05-27 02:56:38 +00:00
junyoung a222c81884 Nuke __P(). 2004-03-23 13:22:03 +00:00
dbj 7a30c4a987 add more spltty() calls around TTY_LOCK/UNLOCK where needed 2004-03-09 05:30:24 +00:00
dbj f8e0478668 add some spltty() calls around TTY_LOCK() calls that didn't have them 2004-03-05 07:27:22 +00:00
jdolecek 4d49760268 use the new NOTE_SUBMIT to flag if the locking is necessary 
for EVFILT_READ/EVFILT_WRITE knotes

fixes PR kern/23915 by Martin Husemann (pipes), and similar locking problem
in tty code
 2004-02-22 17:51:25 +00:00
agc aad01611e7 Move UCB-licensed code from 4-clause to 3-clause licence. 
Patches provided by Joel Baker in PR 22364, verified by myself.
 2003-08-07 16:26:28 +00:00
dsl cfb2dd92f0 Fix (and simplify) interaction between check_pty() and pty_maxptys(). 
Lock setting/clearing of tp->t_oproc to guarantee concurrent opens can't
both suceed and that code in tty.c can't get a NULL t_oproc if the value
is re-read after being checked.
There are still MP issues with pt_flags, pt_send and pt_unctl.
Maybe problems that require TTY_LOCK() to be taken before calling std tty
functions.
 2003-07-23 13:10:28 +00:00
fvdl d5aece61d6 Back out the lwp/ktrace changes. They contained a lot of colateral damage, 
and need to be examined and discussed more.
 2003-06-29 22:28:00 +00:00
darrenr 960df3c8d1 Pass lwp pointers throughtout the kernel, as required, so that the lwpid can 
be inserted into ktrace records.  The general change has been to replace
"struct proc *" with "struct lwp *" in various function prototypes, pass
the lwp through and use l_proc to get the process pointer when needed.

Bump the kernel rev up to 1.6V
 2003-06-28 14:20:43 +00:00
pk bb52ffdf64 Make the tty subsystem MP-safe.. 
..as far as mere mortals are able to, since this code illustrates the finest
points that Italian haute cuisine has to offer.
 2003-02-05 15:49:02 +00:00