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Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Tue Feb 14 19:14:29 CET 2012 on sn-devel-104
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This fixes bug #8554, #8612 and #8748.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Autobuild-User: Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date: Thu Feb 9 16:39:04 CET 2012 on sn-devel-104
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talloc() based.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Fri Jan 27 03:43:21 CET 2012 on sn-devel-104
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type macro.
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Driver file paths stored in the registry do not include the server path
prefix. delete_driver_files() incorrectly assumes such a prefix.
https://bugzilla.samba.org/show_bug.cgi?id=8697
Signed-off-by: Andreas Schneider <asn@samba.org>
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This will be used to enforce a lock hierarchy between the databases. We have
seen deadlocks between locking.tdb, brlock.tdb, serverid.tdb and notify*.tdb.
These should be fixed by refusing a dbwrap_fetch_locked that does not follow a
defined lock hierarchy.
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metze
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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Fri Dec 16 16:29:41 CET 2011 on sn-devel-104
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metze
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All callers to messaging_[re]init only used procid_self()
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Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Thu Dec 8 12:05:55 CET 2011 on sn-devel-104
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Signed-off-by: Michael Adam <obnox@samba.org>
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Avoid direct use of the db_record and db_context structs.
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dbwrap_fetch_bystring_upper() to NTSTATUS
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Don't fail if the form already exists (or is builtin now).
Signed-off-by: Andreas Schneider <asn@samba.org>
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Fri Sep 9 03:21:42 CEST 2011 on sn-devel-104
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Autobuild-User: Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date: Mon Sep 5 17:59:47 CEST 2011 on sn-devel-104
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load_printers() removes stale printers and we should only remove them if
we have a CUPS connection and talked to cups. Else we will remove every
configured printer if cups is not available.
Autobuild-User: Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date: Mon Sep 5 11:18:23 CEST 2011 on sn-devel-104
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If we *really* are a bout to exit (PF_WORKER_EXITING) then the event will not
be called as the loop will exit. Otherwise PF_SRV_MSG_EXIT may not be honoured
for a long time if we have cients connected, therefore keep handling SIGHUP
properly in those cases.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Every time we accept a connection wanr the parent, so it can run management
routines and reallocate more resources if necessary.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Also stop using the listening as now the prefork code properly sets
the PF_WORKER_ACCEPTING flag and it can be relied upon without having to keep
additional status around.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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We can't have a clear idea of wether the worker is IDLE or BUSY.
The only things we can tell is if it is Alive, whether it is currently
Accepting connections or wether it is Exiting soon.
Remove PF_WORKER_IDLE, PF_WORKER_BUSY and replace their use with
PF_WORKER_ALIVE. Also properly assign PF_WORKER_ACCEPTING so that
users of the API can rely on the flag.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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We used a lock mimicking what apache does for preforked children.
But it doesn't work properly in our case because we do not stop once a request
has been served. Clients are allowed to perform multiple requests and keep the
connection open.
This means that if we allow multiple clients per children, then a child could
take the lock and then be asked to do a long or even locking operation by a
client it already is serving. This woulkd cause the whole server to deadlock,
as the child is now busy and also holding on the lock.
Using a race on accept() by having a tevent_fd on the listening socket wait
for read events we never deadlock. At most we cause a bit of contention among
children. But in the generic case connections are much less frequent for us as
clients tend to be long lived. So the little contention we may have is not a
big deal.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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We were not properly managing allowed clients and pool management was
duplicated across a few callers.
Concentrate all management heuristics in one single function.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Use the same code as in lsasd.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Use rpc_daemon_type() macros where appropriate instead.
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
Autobuild-User: Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date: Thu Aug 11 17:09:30 CEST 2011 on sn-devel-104
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The FLAG_MSG_PRINT_NOTIFY class is actually obsolete and never used, as the
only message belonging to it is not used either.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
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Be more correct in load printers at startup.
If async process have already started we do not need to force a reload, but we
just need to load the printers. If other process have not finished initializing
it makes no sense to try to force them as they are masking SIGHUP unitl init is
done anyway.
Signed-off-by: Andreas Schneider <asn@samba.org>
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The background queue process is repsonsible for that.
Just reload printers if necessary or wait for a message from bq to do that.
Signed-off-by: Andreas Schneider <asn@samba.org>
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The cups backend forks a child to do asynchronous work.
We need a sigchld handler in bq to properly wait for the chilod to finish and
reap it, otherwise it hangs the forever as a zombie process.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Children were not properly receiving messages to reload printers when
the background queue process was dispatching them.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Children Ids must start at 1 as 0 represent the father.
Also fix callbacks that restart logs to use a procedd global variable that
holds the Id so that they work correctly both fot the parent process and the
children.
Signed-off-by: Andreas Schneider <asn@samba.org>
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... until we are ready to handle it.
Also make us ready as early as possible in spoolssd.
Signed-off-by: Andreas Schneider <asn@samba.org>
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This allows for setting up signal handlers earlier which is needed
for the following patch. It also simplify the code in a few places.
After all we never have more than pool active at any time during
spoolssd life span.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
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This way each child has its own log file and avoid mixing all logs form all
children in the same parent log file.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
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This way we are sure the cache is primed properly and messages can be sent to
processes if necessary as all messaging has been set up.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
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Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
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We need to properly handle preforked children so it is better to just do that
automatically.
If the parent needs/wants to intercept SIGCHLD events it can set a callback
that will be called by the prefork code once the internal cleanup function that
checks all prefork children has been executed.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Use a child for the background updater process
Forward printer update messages from spoolss to background update process.
Signed-off-by: Andreas Schneider <asn@samba.org>
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Signed-off-by: Andreas Schneider <asn@samba.org>
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