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59 Commits

Author SHA1 Message Date
Simon J. Gerraty
ee7b0571c2 Merge head from 7/28 2014-08-19 06:50:54 +00:00
Baptiste Daroussin
01c2b8ac0d use .Mt to mark up email addresses consistently (part2) 
PR:		191174
Submitted by:	Franco Fichtner  <franco@lastsummer.de>
 2014-06-20 09:57:27 +00:00
Simon J. Gerraty
fae50821ae Updated dependencies 2014-05-16 14:09:51 +00:00
Simon J. Gerraty
76b28ad6ab Updated dependencies 2014-05-10 05:16:28 +00:00
Simon J. Gerraty
3b8f084595 Merge head 2014-04-28 07:50:45 +00:00
Joel Dahl
7e700c30d2 mdoc: minor paragraph fixes. 2014-02-08 13:37:02 +00:00
Simon J. Gerraty
d1d0158641 Merge from head 2013-09-05 20:18:59 +00:00
Alfred Perlstein
907745a810 Fix bug in r253719: fix command line watchdog disable. 
r253719 disallowed watchdog(8) from disabling the watchdog
by breaking the ability to pass 0 as a timeout arg.  Fix this.
 2013-08-10 01:48:15 +00:00
John Baldwin
22dbec3de7 Apply a casting sledgehammer. 
Submitted by:	dhw
 2013-07-30 16:20:54 +00:00
Ian Lepore
232b79f5f7 Fix printf of seconds for systems where time_t is 64 bits. 2013-07-28 16:56:31 +00:00
Joel Dahl
3f1e923c61 mdoc and language improvements. 2013-07-28 06:15:25 +00:00
Alfred Perlstein
52672f5902 Provide some examples for watchdogd usage. 2013-07-27 22:23:32 +00:00
Alfred Perlstein
3d30404f83 Fix watchdog pretimeout. 
The original API calls for pow2ns, however the new APIs from
Linux call for seconds.

We need to be able to convert to/from 2^Nns to seconds in both
userland and kernel to fix this and properly compare units.
 2013-07-27 20:47:01 +00:00
Simon J. Gerraty
69e6d7b75e sync from head 2013-04-12 20:48:55 +00:00
Ed Schouten
5e49d30e89 Mark the act_tbl static/const. 
This table is only used within this source file and is only accessed
read-only.

MFC after:	1 week
 2013-04-08 08:05:15 +00:00
Mark Johnston
8d7ad01f94 Invert the meaning of -S (added in r247405) and document its meaning. Also, 
don't carp about the watchdog command taking too long until after the
watchdog has been patted, and don't carp via warnx(3) unless -S is set
since syslog(3) already logs to standard error otherwise.

Discussed with:	alfred
Reviewed by:	alfred
Approved by:	emaste (co-mentor)
 2013-03-26 19:43:18 +00:00
Simon J. Gerraty
7cf3a1c6b2 Updated dependencies 2013-03-11 17:21:52 +00:00
Joel Dahl
06db73ec2b Remove EOL whitespace. 2013-02-27 20:16:30 +00:00
Joel Dahl
42e7fa7e09 mdoc: begin sentence on new line. 2013-02-27 20:15:06 +00:00
Alfred Perlstein
4b9b732ac0 watchdogd(8) and watchdog(4) enhancements. 
The following support was added to watchdog(4):
- Support to query the outstanding timeout.
- Support to set a software pre-timeout function watchdog with an 'action'
- Support to set a software only watchdog with a configurable 'action'

'action' can be a mask specifying a single operation or a combination of:
 log(9), printf(9), panic(9) and/or kdb_enter(9).

Support the following in watchdogged:
- Support to utilize the new additions to watchdog(4).
- Support to warn if a watchdog script runs for too long.
- Support for "dry run" where we do not actually arm the watchdog,
  but only report on our timing.

Sponsored by:   iXsystems, Inc.
MFC after:      1 month
 2013-02-27 19:03:31 +00:00
Simon J. Gerraty
f5f7c05209 Updated dependencies 2013-02-16 01:23:54 +00:00
David E. O'Brien
d9a447559b Sync with HEAD. 2013-02-08 16:10:16 +00:00
Ian Lepore
3c5bfb5885 Revert accidental regression to previous misspelling. 
Approved by:	cognet (mentor)
 2013-01-26 22:02:40 +00:00
Ian Lepore
e6af9f3a37 Reduce watchdogd's memory footprint when running daemonized. 
This uses the recently-added jemalloc(3) feature of setting the lg_chunk
tuning option to zero to request that memory be allocated in the smallest
chunks possible.  Without this option, the default is to initally map 8MB,
and then the mlockall() call wires that entire allocation even though the
program only uses a few Kbytes of it at runtime.

PR:		bin/173332
Approved by:	cognet (mentor)
 2013-01-26 21:29:45 +00:00
Alfred Perlstein
b647367061 Spelling: exitting -> exiting 
MFC after:	2 weeks
 2013-01-18 02:36:06 +00:00
Simon J. Gerraty
23090366f7 Sync from head 2012-11-04 02:52:03 +00:00
Xin LI
652c42600b Replace log(3) with flsll(3) for watchdogd(8) and drop libm dependency. 
MFC after:	2 weeks
 2012-11-03 18:38:28 +00:00
Andrey Zonov
193e2b5546 - It's also need to lock current memory. 
Approved by:	kib (mentor)
MFC after:	1 week
 2012-08-30 08:07:37 +00:00
Andrey Zonov
e489ac6c53 - Don't allow watchdogd(8) to be swapped out. 
On machines with huge amount of swap and high IO activity,
  watchdogd(8) may wait for a swap memory longer than timeout and
  sometimes fires.

Approved by:	kib (mentor)
MFC after:	1 week
 2012-08-28 08:38:53 +00:00
Marcel Moolenaar
7750ad47a9 Sync FreeBSD's bmake branch with Juniper's internal bmake branch. 
Requested by: Simon Gerraty <sjg@juniper.net>
 2012-08-22 19:25:57 +00:00
Ed Maste
f145c771fb Protect the watchdog daemon against swap OOM killer. This is similar to 
SVN r199804 which added protection to sshd, cron, syslogd, and inetd.
 2010-09-26 01:45:33 +00:00
Xin LI
d10d35b369 Staticify local variables. 
While I'm there also add a 'static' keyword for a function to make it
consistent with prototype.

Reviewed by:	phk
MFC after:	3 months
 2010-07-20 17:42:13 +00:00
Ed Schouten
71ccf09269 The last big commit: let usr.sbin/ use WARNS=6 by default. 2010-01-02 11:07:44 +00:00
Ed Schouten
10bc3a7f42 ANSIfy almost all applications that use WARNS=6. 
I was considering committing all these patches one by one, but as
discussed with brooks@, there is no need to do this. If we ever
need/want to merge these changes back, it is still possible to do this
per application.
 2009-12-29 22:53:27 +00:00
Ruslan Ermilov
c409ce41b4 Don't hide an error if the initial attempt to program a watchdog from 
within watchdogd(8) fails.  This is also consistent with watchdog(8).
 2009-12-21 15:50:37 +00:00
Nick Hibma
0f71a1cba6 Don't exit from watchdogd on receiving a signal if we cannot stop the watchdog. 
That'll require -KILL. This avoids resetting your system on one of the
watchdogs that you cannot disable.
 2006-12-15 22:47:36 +00:00
Ruslan Ermilov
bc84aa4ba3 Markup fixes. 2006-09-29 17:57:04 +00:00
Poul-Henning Kamp
efc88ae81d Document that the default timeout is 16 seconds 2006-09-02 09:11:58 +00:00
Poul-Henning Kamp
5c27253056 Fix usage(). 
Submitted by:	Adrian Steinmann <ast@marabu.ch>
 2006-03-06 07:42:52 +00:00
Poul-Henning Kamp
2a5f59b241 Report any errors we might see when disabling the watchdog. 
Complain about extra arguments so people don't get surprised
if they type "watchdog 0"
 2005-09-30 08:30:20 +00:00
Pawel Jakub Dawidek
8b28aef238 Pidfiles should be created with permission preventing users from opening 
them for reading. When user can open file for reading, he can also
flock(2) it, which can lead to confusions.

Pointed out by:	green
 2005-09-16 11:24:28 +00:00
Pawel Jakub Dawidek
0ea90af02e Use pidfile(3) in watchdogd(8). 2005-08-24 19:28:33 +00:00
Marius Strobl
bdd466ffca When disarming a watchdog by using an interval of WD_TO_NEVER a non-zero 
return value of the ioctl doesn't indicate that the command has failed
so don't let watchdog(8) return an error in this case.

MFC after:	3 days
 2005-03-19 01:46:37 +00:00
Ruslan Ermilov
59a3c79da6 Sort sections. 2005-01-18 20:02:45 +00:00
Brian Feldman
a693939e67 Disable memory locking that could keep watchdogd from deadlocking itself 
if the swap subsystem failed.

Requested by:	phk
 2004-07-28 22:13:04 +00:00
Brian Feldman
5e60838b5d Now that mlockall(2) is unbroken, use it to keep watchdogd(8) permanently 
out of swap.
 2004-07-23 15:24:57 +00:00
Ruslan Ermilov
2410103c1d mdoc(7) fixes. 2004-07-07 19:57:16 +00:00
Poul-Henning Kamp
a0abed18c4 Document -d flag 2004-06-14 07:27:27 +00:00
Ruslan Ermilov
9cdb6ee164 Assorted markup, grammar, and spelling fixes. 2004-06-13 18:03:44 +00:00
Sean Kelly
670c8a8ccd Bump the copyright year since I forgot last time. 2004-05-03 21:41:02 +00:00