Commit Graph

1703 Commits

Author SHA1 Message Date
thorpej 489d6d0e46 Reverse the stopgap change made in revision 1.29:
date: 1998/08/01 01:47:24;  author: thorpej;  state: Exp;  lines: +18 -8
Don't call the protocol drain routines if how == M_NOWAIT, which typically
means we're in interrupt context.  Since we can be called from a network
hardware interrupt, we could corrupt the protocol queues we try to drain
them at that time.

The problem has been addressed by letting the drain'able protocols use
a locking scheme to prevent queue corruption.
1998-12-18 21:40:14 +00:00
drochner 8ece294afc COMPAT_xxx option review: add missing opt_compat_linux.h
alpha -> __alpha__
1998-12-18 14:10:06 +00:00
drochner c22ef79250 solve the COMPAT_OLDSOCK/MSG_COMPAT problem differently:
The source files which need MSG_COMPAT define COMPAT_OLDSOCK.
1998-12-18 13:18:42 +00:00
briggs 4a01b776e5 Prototype pool_print() and pool_chk() if DEBUG.
Initialize pool hash table with PR_HASHTABSIZE (i.e., 8) LIST_INIT()s
instead of one memset().
Only check for page != ph->ph_page if PR_PHINPAGE is set (in pool_chk()).
Print pool base pointer when reporting page inconsistency in pool_chk().
1998-12-16 04:28:23 +00:00
thorpej 2ef3bcfbb8 In the sosend() loop, if the residual count is > 0 before calling PRU_SEND,
set SS_MORETOCOME as a hint to the lower layer that more data is coming
on the next iteration of the loop.  Clear the flag after the PRU_SEND
call.

Suggested by Justin Walker <justin@apple.com> on the freebsd-net
mailing list.
1998-12-16 00:26:10 +00:00
christos 32b0dc0fbd Regen 1998-12-10 16:44:16 +00:00
christos bee9dafdf5 defopt COMPAT_43 1998-12-10 15:07:01 +00:00
pk 1673c21984 Enable `device_register()' for the sparc. 1998-12-03 23:50:11 +00:00
thorpej d90b3d3438 Add dump_kmemstats(), callable from DDB to show kmem statistics. From
Chuck Silvers via Chuck Cranor.
1998-12-02 20:35:28 +00:00
bouyer c2912048fc Cosmectic change in a panic(), so that the panic string printed by savecore
has more meaning.
1998-12-02 10:41:01 +00:00
kenh b519a199d6 Pass MNT_NODEVMTIME flag to lower VFS layer. 1998-12-01 23:17:25 +00:00
kleink abd228c31c Regen: getpgid() prototype change. 1998-11-26 16:13:56 +00:00
kleink 5eb7ae9656 getpgid(2) returns a value of type pid_t. 1998-11-26 16:07:05 +00:00
mycroft 74ad07cef5 Revert the functional change in rev 1.38; permit a msg_iovlen of 0.
There are two reasons for this:
* We should be able to pass file descriptors without sending any data.
* We could send zero-length iovecs anyway (but we shouldn't have to do this).
Also, msg_iovlen is already a u_int, so delete a bunch of casts.
1998-11-26 02:25:20 +00:00
castor 813222c472 Allow pattern matching for symbol string to handle GCC's output for mips,
where strings are output as
	.ascii	"foo\000"
instead of
	.ascii	"foo\0"
1998-11-25 06:10:19 +00:00
thorpej eb8f1afb3e Implement vdevgone(), to revoke all vnodes corresponding to the specified
type, major, (low minor...high minor).
1998-11-18 20:24:59 +00:00
thorpej f50fecdeaf Oops, fix uninitialzed variable in last. 1998-11-18 18:40:54 +00:00
thorpej 587f931901 Be a bit more precise about how we allow no deactivation support in
config_detach().
1998-11-18 18:40:08 +00:00
thorpej 3579ddab03 If the ca_activate entry point fails, make sure to restore the old
dv_flags.
1998-11-18 18:38:07 +00:00
thorpej ab1b371163 Implement config_detach(), mostly from Chris Demetriou, modified slightly
by Ken Hornstein and myself.

Add flags to struct device, and define one as "active".  Devices are
initially active from config_attach().  Their active state may be changed
via config_activate() and config_deactivate().

These new functions assume that the device being manipulated will recursively
perform the action on its children.

Together, config_deactivate() and config_detach() may be used to implement
interrupt-driven device detachment.  config_deactivate() will take care of
things that need to be performed at interrupt time, and config_detach()
(which must run in a valid thread context) finishes the job, which may
block.
1998-11-17 08:38:07 +00:00
perry 0c20c72cf9 (mostly) fix kernel tags support. from Frederick Bruckman in pr-6445. 1998-11-15 20:36:30 +00:00
thorpej 88bc4b9f8d Conditionally include the 4.4BSD-Lite2 compat vfs sysctl code. 1998-11-15 18:38:11 +00:00
tls 6321478a33 At securelevel >=2, don't allow new mounts, only allow change from rw to ro. 1998-11-14 06:38:54 +00:00
thorpej 1d03badef0 Implement a way to queue kernel threads for creation after init,
pagedaemon, reaper, etc.  Caller provides a callback function and
argument which will be called to create the threads.
1998-11-14 00:08:49 +00:00
thorpej d23593a784 Make vfs_sysctl() work. 1998-11-13 20:15:32 +00:00
mycroft 1115f2e840 Er, NSIG is one *more* than the number of signals. 1998-11-13 17:23:52 +00:00
mycroft d6ffecf67c Oops; signal numbers are 1..NSIG, not 0..NSIG-1. 1998-11-13 17:12:54 +00:00
thorpej 2f3f9379cf Add a couple more file systems to mountcompatnames[] (even though they
didn't exist in 4.3BSD or NetBSD 0.9) and always put the table into
the kernel.  It's going to be needed for VFS sysctls.
1998-11-13 04:12:35 +00:00
thorpej 920a1ace5b fork_kthread() -> kthread_create(). Set P_NOCLDWAIT on kernel threads,
which will cause any of their children to be reparented to init(8) (which
is already prepared to wait out orphaned processes).
1998-11-11 22:45:32 +00:00
thorpej a0fac8a7bc Move fork_kthread() to a new file, kern_kthread.c, and rename it to
kthread_create().  Implement kthread_exit() (causes a thrad to exit).
Set P_NOCLDWAIT on kernel threads, which will cause any of their children
to be reparented to init(8) (which is already prepared to wait out orphaned
processes).
1998-11-11 22:44:24 +00:00
thorpej 04dc9a8878 Remove some code accidentally readded when Christos implement P_NOCLDWAIT. 1998-11-11 22:37:13 +00:00
thorpej 6956a57584 Initial version of API for creating kernel threads (likely to change somewhat
in the future):
- New function, fork_kthread(), takes entry point, argument for entry point,
  and comment for new proc.  May be called by any context, will fork the
  thread from proc0 (requires slight changes to cpu_fork()).
- cpu_set_kpc() now takes a third argument, a void *arg to pass to the
  thread entry point.  Thread entry point now takes void * instead of
  struct proc *.
- Create the pagedaemon and reaper kernel threads using fork_kthread().
1998-11-11 06:34:43 +00:00
mycroft d4026f6eb5 GC the B_CACHE bit. 1998-11-09 01:18:34 +00:00
mycroft 36918f312f Rework cluster_rbuild() to use buffers with the file system block size.
From Alasdair Baird.
1998-11-08 18:18:31 +00:00
chs 61458d7dfa LOCKDEBUG enhancements for non-MP:
keep a list of locked locks.
use this to print where the lock was locked
when we either go to sleep with a lock held
or try to free a locked lock.
1998-11-04 06:19:55 +00:00
jonathan 3ac3cbcfb8 Add options DDB_FROMCONSOLE and sysctl ddb.fromconsole, analagous to
DDB_ONPANIC. Lets user ignore breaks but enter DDB on panic.  Intended
for machines where debug on panic is useful, but DDB entry is not,
(public-access console, or terminal-servers which send spurious breaks)

Add new ddb hook, console_debugger(), which decides whether or not to
ignore console ddb requests. Console drivers should be updated to call
console_debugger(), not Debugger(), in response to serial-console
break or ddb keyboard sequence.
1998-10-29 21:22:32 +00:00
mycroft 13daec0fb1 Several things:
* Change the usage of B_DONE so that it is only set when a buffer is in sync
  with the data on disk.
* If a buffer is being waited for, don't put it on the age queue.
* Make sure to clear B_DONE when pages are stolen from a buffer.
* Make sure to clear B_CACHE after each use.
* If we find a buffer for the block we want with valid data, but it is too
  small, panic.  (This isn't supposed to happen.)
Fixes potential file corruption problems with clustering.
1998-10-27 23:48:22 +00:00
tron bac6bb6bf2 No need to get definition of "SYSV..." from "opt_sysv.h" because they
must be set if these files are compiled.
1998-10-21 22:24:28 +00:00
tron bb56b72356 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:19:27 +00:00
tron f87a1b6e7a 1.93:Regen. 1998-10-19 22:19:26 +00:00
tron fe8170d1b1 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:19:26 +00:00
tron 06fb47025e 1.99:Regen. 1998-10-19 22:19:25 +00:00
tron 39876df951 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:14:54 +00:00
pk 2d45ece0e7 Allow `curproc' to be defined in <machine/proc.h> to enable a transition
to SMP support.
1998-10-19 11:51:53 +00:00
bouyer bf32feec28 More >2Gb fixes, from Constantine Sapuntzakis. 1998-10-16 14:29:40 +00:00
pk c65c55af6f Disable the daft PAUSE() macro, which manages to skip all the relevant
code in lockmgr() most of the time. This a no doubt a case of Bad Coding Style.
1998-10-14 09:41:21 +00:00
bouyer 91ce6daac5 Fix for files > 2Gb, one from Kirk McKusick via OpenBSD and one similar from me. 1998-10-12 09:57:48 +00:00
christos 10b5900f45 update for linux file move. 1998-10-03 20:39:32 +00:00
eeh 903d20a930 Fix big-endian syscall args. 1998-10-03 19:21:11 +00:00
drochner 835d1b736c Make contsigmask, stopsigmask, sigcantmask kernel private. 1998-10-03 14:29:02 +00:00