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* Minor cleanup. wakeup_fd can always be gotten from the event context.
* Use smb_set_close_on_exec() in example code.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
* Remove unused select backend
* Fix a race condition in tevent_threaded_schedule_immediate()
(bug #13130)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Nov 13 18:02:46 CET 2017 on sn-devel-144
select() is no longer useful on modern systems.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Sep 16 08:35:39 CEST 2017 on sn-devel-144
* make tevent_req_print() more robust against crashes
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
* Fix mutex locking in tevent_threaded_context_destructor().
* Fix a memleak on FreeBSD.
* Re-init threading in tevent_re_initialise().
* Include the finish location in tevent_req_default_print().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Jun 22 17:17:33 CEST 2017 on sn-devel-144
Drop the configure option for --disable-python as it is now
global in wafsamba.
If samba is set to use a system copy of tevent, and tevent wasn't built
with python support, then the system pytevent will not be found. If
samba is being built without python support then pytevent is not needed,
so do not bother to try and find it.
Signed-off-by: Ian Stakenvicius <axs@gentoo.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
These files should not be executable.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jan 11 20:21:01 CET 2017 on sn-devel-144
* tevent_update_timer() and tevent_req_reset_endtime() have been added
* documentation updates
* it is now safe to talloc_free() a tevent_threaded_context,
all running threads keep running until they're finished,
but we no longer abort().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Oct 5 15:32:35 CEST 2016 on sn-devel-144
* add tevent_threaded_context_create() and tevent_threaded_schedule_immediate()
They add a way to pass the thread result from a helper thread into
the main event loop.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is infrastructure to improve our async r/w result handling and latency.
The pthreadpool signalling goes through a pipe. This has downsides: The main
event loop has to go through a read on the pipe before it can ship the result.
Also, it is not guaranteed by poll/epoll that the pthreadpool signal pipe is
handled with top priority. When an async pread/pwrite has finished, we should
immediately ship the result to the client, not waiting for anything else.
This patch enables tevent_immediate structs as job signalling. This means a
busy main tevent loop will handle the threaded job completion before any timed
or file descriptor events. Opposite to Jeremy's tevent_thread_proxy this is
done by a modification of the main event loop by looking at a linked list under
a central mutex.
Regarding performance: In a later commit I've created a test that does nothing
but fire one immediate over and over again. If you add a phread_mutex_lock and
unlock pair in the immediate handler, you lose roughly 25% of rounds per
second, so it is measurable. It is questionable that will be measurable in the
real world, but to counter concerns activation of immediates needs to go
through a new struct tevent_threaded_context. Only if such a
tevent_threaded_context exists for a tevent context, the main loop takes the
hit to look at the mutex'ed list of finished jobs.
This patch by design does not care about talloc hierarchies. The idea is that
the main thread owning the tevent context creates a chunk of memory and
prepares the tevent_immediate indication job completion. The main thread hands
the memory chunk together with the immediate as a job description over to a
helper thread. The helper thread does its job and upon completion calls
tevent_threaded_schedule_immediate with the already-prepared immediate. From
that point on memory ownership is again transferred to the main thread.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
* Fix memory leak when old signal action restored (bug #11742)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Feb 19 19:12:25 CET 2016 on sn-devel-144
* Fix bug in poll backend - poll_event_loop_poll()
exits the for loop on POLLNVAL instead of
continuing to find an event that is ready.
* Fix ETIME handling for Solaris event ports (bug #11728).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Tue Feb 16 00:00:51 CET 2016 on sn-devel-144
Without this, tests fail ir libtevent is not installed on the system.
Signed-Off-By: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Nov 18 21:40:26 CET 2015 on sn-devel-104
* Fix compile error in Solaris ports backend.
* Fix access after free in tevent_common_check_signal(). bug #11308
* Improve pytevent bindings.
* Testsuite fixes.
* Improve the documentation of the tevent_add_fd()
assumtions. It must be talloc_free'ed before closing the fd!
See bug #11141 and bug #11316.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Signed-off-by: Petr Viktorin <pviktori@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Jun 10 08:55:37 CEST 2015 on sn-devel-104
Using Context.add_timer resulted in crashes due to missing type object
and bad reference handling.
Add a TeventTimer_Type struct, and introduce a clear ownership/lifetime model.
Add a "add_timer_offset" to allow adding timers from Python. (add_timer
requires passing struct timeval as a Python integer, which can't really
be done portably).
Add tests.
Signed-off-by: Petr Viktorin <pviktori@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
* Ignore unsolicited signal wakeup in tevent_port event loop.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Mar 4 08:33:06 CET 2015 on sn-devel-104
* Add Solaris ports as tevent backend.
* Improvements to the tevent_data tutorial.
* Remove use of the 'staticforward' macro.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Feb 27 03:48:57 CET 2015 on sn-devel-104
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Sun Feb 15 23:25:07 CET 2015 on sn-devel-104
* pkgconfig fixes
* Bug #10640 - smbd is not responding - tevent_common_signal_handler()
increments non-atomic variables.
https://bugzilla.samba.org/show_bug.cgi?id=10640
* Minor compile fixes
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This fixes a the following bugs:
- fix a crash bug in tevent_queue_immediate_trigger()
- add missing tevent_num_signals() and
tevent_sa_info_queue_count() prototypes
including documentation.
This adds the following new features:
- tevent_req_set_cleanup_fn()
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This adds the following new features:
- tevent_queue_wait_send/recv()
- tevent_num_signals()
- tevent_sa_info_queue_count()
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Dec 12 00:39:35 CET 2013 on sn-devel-104
* Fix tevent testsuite issue on Solaris.
* Add tevent tuturial and documentation updates
* Fix Coverity ID 989236 Operands don't affect result
* Bug: https://bugzilla.samba.org/show_bug.cgi?id=10012
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Aug 1 17:05:02 CEST 2013 on sn-devel-104
This release contains a lot of fixes:
- Adding new timer events is now faster, if there's
a large number of timer events.
- sigprocmask does not work on FreeBSD to stop further signals in a signal
handler.
- TEVENT_NUM_SIGNALS is calculated by configure in order
to support realtime signals on freebsd.
- ./configure --disable-python was fixed for the standalone build.
- Several crash bugs in the poll backend are fixed.
- The poll backend removes deleted events from the
cached pollfd array now.
- The poll doesn't pass pollfd.events == 0 to poll()
and maintains a list of disabled events,
instead of consuming 100% cpu and/or triggering
the callers handler.
- The poll backend detects POLLNVAL and reports EBADF
instead of consuming 100% cpu.
- The select backend supports separate handlers
for TEVENT_FD_READ and TEVENT_FD_WRITE.
- The poll and select backends are now doing fair
queuing of fd events.
- The epoll has better error checking
and supports separate handlers
for TEVENT_FD_READ and TEVENT_FD_WRITE.
- The standard backend was rewritten to be a tiny
wrapper on top of epoll with a fallback to poll,
which means that it doesn't use select directly anymore.
- TEVENT_TRACE_BEFORE_LOOP_ONCE and TEVENT_TRACE_AFTER_LOOP_ONCE
are added in order to allow the application to hook in
before and after the loop_once() backend function is called.
The TEVENT_HAS_LOOP_ONCE_TRACE_POINTS define can be used to
detect the new feature.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Mar 2 02:15:44 CET 2013 on sn-devel-104
When we disable python, it will cause build fail!
so, the patch will fix it.
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This adds tevent_*_trace_*() and tevent_context_init_ops()
metze
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Jun 8 20:47:41 CEST 2012 on sn-devel-104
Set/get a single callback function to be invoked at various trace
points. Define "before wait" and "after wait" trace points - more
trace points can be added later if required.
CTDB wants this to log long waits and events.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
