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Author SHA1 Message Date
Brian Somers
5172455266 Document dhclient-enter-hooks and dhclient-exit-hooks and mention 
how to configure dhclient to clear the interface of IP numbers prior
to configuring it.

PR:		149351
MFC after:	2 weeks
 2010-09-06 09:59:10 +00:00
Brian Somers
1dc7e010ec Handle geli-encrypted root disk devices. 
MFC after:	2 weeks
 2010-09-06 04:15:49 +00:00
Daichi GOTO
21f9b7b28a Allowed unionfs to use whiteout not supporting file system as 
upper layer. Until now, unionfs prevents to use that kind of
file system as upper layer. This time, I changed to allow
that kind of file system as upper layer. By this change, you
can use whiteout not supporting file system (e.g., especially
for tmpfs) as upper layer. It's very useful for combination of
tmpfs as upper layer and read only file system as lower layer.

By difinition, without whiteout support from the file system
backing the upper layer, there is no way that delete and rename
operations on lower layer objects can be done.  EOPNOTSUPP is
returned for this kind of operations as generated by VOP_WHITEOUT()
along with any others which would make modifica tions to the
lower layer, such as chmod(1).

This change is suggested by ed.

Submitted by:	ed
 2010-09-05 04:58:16 +00:00
Kevin Lo
d0654c8566 Shut the compiler up; initializes the sotype variable to zero in 
nfs_tryproto().

Reviewed by:	rmacklem
 2010-09-04 08:42:19 +00:00
Maxim Konovalov
2888756701 o List MOUNTVER and SCHED classes. X-ref gsched(8). Bump Dd. 
PR:		docs/149925
Submitted by:	arundel
 2010-09-01 08:32:40 +00:00
Pawel Jakub Dawidek
6d19256b15 Include process PID in log messages. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	2 weeks
 2010-08-31 12:05:13 +00:00
Pawel Jakub Dawidek
8ecdeae9d9 Correct error message. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	2 weeks
 2010-08-31 12:03:29 +00:00
Pawel Jakub Dawidek
71c895eb1f Forgot to add event.c and event.h in r212038. 
Pointed out by:	pluknet <pluknet@gmail.com>
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-31 09:38:43 +00:00
Pawel Jakub Dawidek
852ac373cb Mask only those signals that we want to handle. 
Suggested by:	jilles
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-31 06:22:03 +00:00
Pawel Jakub Dawidek
5bdff860e7 Because it is very hard to make fork(2) from threaded process safe (we are 
limited to async-signal safe functions in the child process), move all hooks
execution to the main (non-threaded) process.

Do it by maintaining connection (socketpair) between child and parent
and sending events from the child to parent, so it can execute the hook.

This is step in right direction for others reasons too. For example there is
one less problem to drop privs in worker processes.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:26:10 +00:00
Pawel Jakub Dawidek
6b276294af We only want to know if descriptors are ready for reading. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:19:21 +00:00
Pawel Jakub Dawidek
eea2deaad0 When someone gives NULL as data, assume this is because he want to declare 
connection side only.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:16:45 +00:00
Pawel Jakub Dawidek
6be3a25c85 Use pjdlog_exit() before fork(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 22:28:04 +00:00
Pawel Jakub Dawidek
b938cdcc9b Constify arguments we can constify. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 22:26:42 +00:00
Maxim Konovalov
1ece82b487 Make flags in usage() and SYNOPSYS more style(9)-ish. 
Suggested by:	brian
MFC after:	3 days
 2010-08-30 07:29:27 +00:00
Pawel Jakub Dawidek
5b41e64486 Execute hook when connection between the nodes is established or lost. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:31:30 +00:00
Pawel Jakub Dawidek
2be8fd75ff Execute hook when split-brain is detected. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:12:10 +00:00
Pawel Jakub Dawidek
6d0c801ea9 Use sigtimedwait(2) for signals handling in primary process. 
This fixes various races and eliminates use of pthread* API in signal handler.

Pointed out by:	kib
With help from:	jilles
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:06:05 +00:00
Pawel Jakub Dawidek
ff6bb1f8b3 - Move functionality responsible for checking one connection to separate 
function to make code more readable.
- Be sure not to reconnect too often in case of signal delivery, etc.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 22:55:21 +00:00
Pawel Jakub Dawidek
ee087cdf97 Disconnect after logging errors. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 22:17:53 +00:00
Pawel Jakub Dawidek
a870e771b9 - Call hook on role change. 
- Document new event.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:42:45 +00:00
Pawel Jakub Dawidek
ecc99c890e Allow to run hooks from the main hastd process. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:41:53 +00:00
Pawel Jakub Dawidek
25ec2e3e2b - Add hook_fini() which should be called after fork() from the main hastd 
process, once it start to use hooks.
- Add hook_check_one() in case the caller expects different child processes
  and once it can recognize it, it will pass pid and status to hook_check_one().

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:39:49 +00:00
Pawel Jakub Dawidek
572cdb2216 Implement mtx_destroy() and rw_destroy(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:37:21 +00:00
Ulrich Spörlein
b2d89ed701 gsched(8): fix example usage, mdoc nits 
- ad0 was referred to as da0
- wrong parameter -s instead of -a in example
- use double quotes consistently

PR:            docs/150082
Submitted by:  N.J. Mann <njm@njm.me.uk>
MFC after:     2 weeks
 2010-08-29 11:32:41 +00:00
Rebecca Cran
e7f8dd75b3 Fix incorrect usage of 'assure' and 'insure'. 
Approved by: rrs (mentor)
 2010-08-28 16:32:01 +00:00
Pawel Jakub Dawidek
5da2320932 When SIGTERM or SIGINT is received, terminate worker processes. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:28:02 +00:00
Pawel Jakub Dawidek
4767ee29f1 When logging to stdout/stderr, flush after each log. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:26:55 +00:00
Pawel Jakub Dawidek
b9cf0cf5fa Correct when we log interrupted synchronization. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:20:32 +00:00
Pawel Jakub Dawidek
eba09893fd Check if no signals were delivered just before going to sleep. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:49:06 +00:00
Pawel Jakub Dawidek
01125a9381 Add hooks execution. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:48:12 +00:00
Pawel Jakub Dawidek
ac59403c39 Document new 'exec' parameter. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:20:31 +00:00
Pawel Jakub Dawidek
0becad39a7 Allow to execute specified program on various HAST events. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:16:52 +00:00
Pawel Jakub Dawidek
1cdaf10c45 - Run hooks in background - don't block waiting for them to finish. 
- Keep all hooks we're running in a global list, so we can report when
  they finish and also report when they are running for too long.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:38:12 +00:00
Pawel Jakub Dawidek
e64887c4d6 When logging to stdout/stderr don't close those descriptors after fork(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:35:39 +00:00
Pawel Jakub Dawidek
3f828c18e5 Reduce indent where possible. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:28:39 +00:00
Pawel Jakub Dawidek
f7fe83f9f8 Implement keepalive mechanism inside HAST protocol so we can detect secondary 
node failures quickly for HAST resources that are rarely modified.

Remove XXX from a comment now that the guard thread never sleeps infinitely.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:26:37 +00:00
Pawel Jakub Dawidek
8f8c798c13 - Remove redundant and incorrect 'old' word from debug message. 
- Log disconnects as warnings.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:12:53 +00:00
Pawel Jakub Dawidek
e23d2d0187 Don't increase number synchronized bytes in case of an error. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:10:25 +00:00
Pawel Jakub Dawidek
53d9b386eb Log that synchronization was interrupted in a proper place. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:08:10 +00:00
Pawel Jakub Dawidek
55ce1e7c8b We have sync_start() function to start synchronization, introduce sync_stop() 
function to stop it.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:06:00 +00:00
Pawel Jakub Dawidek
16bd7026a2 Add QUEUE_INSERT() and QUEUE_TAKE() macros that simplify the code a bit. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:01:28 +00:00
Pawel Jakub Dawidek
6e5f008ac4 Add mtx_owned() implementation. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:58:38 +00:00
Pawel Jakub Dawidek
7087d13fae Make comment more readable. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:54:17 +00:00
Jaakko Heinonen
e45d37b2e9 Don't attempt to write label with GEOM_BSD based method if the class is 
not available. This improves error reporting when bsdlabel(8) is unable
to open a device for writing. If GEOM_BSD was unavailable, only a rather
obscure error message "Class not found" was printed.

PR:		bin/58390
Reviewed by:	ae
Discussed with:	marcel
MFC after:	1 month
 2010-08-27 11:08:11 +00:00
Warner Losh
25faff346c MFtbemd: 
Prefer MACHNE_CPUARCH to MACHINE_ARCH in most contexts where you want
to test of all the CPUs of a given family conform.
 2010-08-23 22:24:11 +00:00
Dag-Erling Smørgrav
35efcc8b69 expand_number(3) takes a uint64_t * now; intmax_t was never correct 
except by accident.

MFC after:	3 weeks
 2010-08-19 11:20:24 +00:00
Dag-Erling Smørgrav
1727cdb62a expand_number(3) takes a uint64_t * now. 
MFC after:	3 weeks
 2010-08-19 11:19:21 +00:00
Pawel Jakub Dawidek
28df1f238a For some setups sending data in 128kB chunks makes communication very slow. No 
idea why. 32kB on the other hand seems to work properly everywhere.

Reported by:	Thomas Steen Rasmussen <thomas@gibfest.dk>
MFC after:	3 weeks
 2010-08-18 12:09:27 +00:00
Pawel Jakub Dawidek
471bb09914 The 'size' variable is there to limit how many bytes we want to copy from 
'addr'. It is very likely that size of 'addr' is larger than 'size', so checking
strlcpy() return value is bogus.

MFC after:	3 weeks
 2010-08-16 21:59:56 +00:00