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Deferred calls should not be treated as pending calls since they are
re-processed from the beginning.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Local daemons are started mainly for testing and usually not as root.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Otherwise errors printed by the lock helper get lost.
lock_helper_args() no longer adds the program name to the list of
arguments, since vfork_with_logging() does that. Update the lock
helper to handle the extra log_fd parameter passed by
vfork_with_logging() and send stdout/stderr there.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To make this sane, also add an argv parameter and change the return
type to bool. Anticipating a subsequent change, make the type of argv
match what is needed by vfork_with_logging() and cast it when passing
to execv(). This also means changing the type of the name member of
struct db_namelist.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To avoid lock helper starvation when userspace robust mutexes are
enabled.
Commit 6f072f85a1 removed reset_scheduler(),
to avoid resetting scheduler priority. However, that is not sufficient
because of commit 1be8564e55, which sets
SCHED_RESET_ON_FORK flag. With SCHED_RESET_ON_FORK, all CTDB child
processes will automatically have normal scheduling priority.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Sep 11 11:31:10 CEST 2014 on sn-devel-104
To accommodate removing file_lines_load() from here, drop the #ifdef
around the declaration in util.h.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It should use finer grained includes like replace.h and
ctdb_logging.h.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Sep 10 04:03:20 CEST 2014 on sn-devel-104
In is unnecessary and can accidentally cause lib/util/time.h to be
found instead of /usr/include/time.h. The only things depending on it
were bare includes of db_wrap.h and a bare include of dlinklist.h,
which are both gone now.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes it consistent with Samba, to ease transition.
Update unit test code to link to with tdb_wrap instead of including
db_wrap.c.
There are some potential whitespace fixes in this commit that have
been ignored. CTDB's lib/tdb_wrap will be deleted after the
transition to Samba's lib/tdb_wrap, so there's no point polishing it
too much.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes it look similar to samba-util, easing the transition.
Fold ctdb-util-misc into ctdb-util, since Samba doesn't separate them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
debug_extra is CTDB-specific. Moving it will help with the
transitions to Samba's updated debug.[ch].
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Subsequent commits will introduce recursive compilation of utilities.
Unfortunately the include file structure requires some global includes
to be found, so make this work.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes it consistent with the rest of the code and avoids problems
when some variant of lib/util isn't in the include path.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This function is only used in this file. Samba's lib/util doesn't
have timeval_delta(), so staging a clean transition.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Samba's version doesn't accept an argument, so this aids a smooth
transition.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is part of a migration to Samba's lib/util. CTDB always passes 0
(i.e. no max_size) so use a simple assert() to enforce this, rather
than changing a lot of code that will be discarded anyway.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Otherwise it conflicts with the same function provided by Samba's
lib/util. Using the Samba one drags in too many dependencies, so
rename the CTDB version to avoid a declaration clash when CTDB starts
including samba_util.h.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is the only place it is used.
After migrating to Samba's lib/util, the lock helper can be changed to
use strhex_to_data_blob().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No need for "..", since the correct thing is generated. Add "include"
and "include/internal" where missing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Just install into lib/ and let packagers decide on this policy, since
it can vary between distributions. Update our packaging files
accordingly.
A secondary matter is that things are incorrectly installed into
lib64/ when building with 32-bit userspace on a 64-bit kernel. If
this is done then it should depend on the architecture of the
compiler.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The client code uses both of these, so might as well depend on it.
That way code that depends on ctdb-client transitively get the
dependencies.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Some declarations get lost because they basically get #define-d away,
so they need to be repeated after the #undef-s. Also, some functions
are introduced due the #define-s.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Deferring packets has a nasty interaction with recovery. All deferred
packets must be dropped when recovery happens, since those packets are
tracked as pending requests and will be re-sent with new generation.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Sep 5 09:30:50 CEST 2014 on sn-devel-104
When using TDB robust mutexes, the kernel wakes waiting processes one
by one, in the priority list order. To ensure that ctdb lock helper
processes do not starve, lock helper processes need to run at a higher
priority than smbd.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
When CTDB receives DMASTER_REQUEST or DMASTER_REPLY packet, the specified
record needs to be updated as soon as possible to avoid inconsistent
dmaster information between nodes. During this time, queue up all calls
for that record and process them only after dmaster request/reply has
been processed.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
There is no need for a special function to free lock request and
corresponding lock context. Freeing lock request will free lock
context also.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This makes sure that when the client context is destroyed, the lock
request goes away. If the lock requests is already scheduled, then the
lock child process will be terminated.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
