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Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This makes sure it's not called when the private state is already gone.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
As we might defer the callback with tevent_req_defer_callback()
when calling tevent_req_done(), we should cancel the timeout directly.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Aug 12 09:17:10 CEST 2013 on sn-devel-104
This is under a deliberately permissive license. I would like people to start
using libtevent and tevent_req (LGPL) without any worries about where to start
from.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Aug 5 04:07:58 CEST 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
It makes adding/removing the first/last sigevents a bit more expensive, but it
will fix tevent_loop_wait not finishing when one signal event was added and
removed.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10012
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Jun 21 19:57:06 CEST 2013 on sn-devel-104
"unsigned" could be less than uint64_t, so idx==UINT64_MAX is always false.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Jun 12 19:54:30 CEST 2013 on sn-devel-104
We are now confident that that waf build system meets enough of our needs
that we will work to improve it, rather than maintain two build systems.
Andrew Bartlett
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Might not be noticable, but I thought it would be an obvious tiny
optimization. Possibly the compiler already does this.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Apr 4 18:32:39 CEST 2013 on sn-devel-104
On Solaris/Nexenta/Illumos once a pipe is full it will not be reported
as writable until PIPE_BUF (actually on Solaris 4096, which is less than
PIPE_BUF) bytes have been read from it.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Mar 22 18:16:45 CET 2013 on sn-devel-104
Ensure the test code will pass against such a system (allow writes/reads
going both ways).
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
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
Such events were used before we had immediate events.
It's likely that there're a lot of this events
and we need to add new ones in fifo order.
The tricky part is that tevent_common_add_timer()
should not use the optimization as it's used
by broken Samba versions, which don't use
tevent_common_loop_timer_delay() in source3/lib/events.c.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As new timestamps typically get higher:-)
it's better to traverse the existing list from
the tail.
This is not completely optimal, but it should be better
than before.
A second optimization could be done for zero timestamps,
we would just remember the last_zero_timer,
but that would change the internal ABI.
Normally thatshould not be a poblem, but the Samba's
source3/lib/events.c abuses tevent_internal.h
from the current source tree, even if an external tevent.h
is used. The other problem is that it makes use of
tevent_common_add_timer() without using
tevent_common_loop_timer_delay().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We should debug a message before and after running the handler.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This test fills the socket kernel buffers
and verifies that we don't report TEVENT_FD_WRITE
if the buffer is full.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This test verifies that TEVENT_FD_* flags are handled correctly.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This tests the multiplex fd changes to the epoll backend to
ensure they work correctly.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
A Samba autobuild passed without a fallback, so this is
really an error.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We'll use this to handle the EPOLL_ADDITIONAL_FD_FLAG_GOT_ERROR
and EPOLL_ADDITIONAL_FD_FLAG_REPORT_ERROR flags with multiplexed
events in the event loop.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Add a utility function epoll_add_multiplex_fd() and
a new flag EPOLL_ADDITIONAL_FD_FLAG_HAS_MPX.
This will be called by epoll_add_event() to merge two
fde events with the same file descriptor.
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
epoll_{add,mod,del}_event() are only called via epoll_update_event()
and epoll_update_event() should not remove REPORT_ERROR itself.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We'll never leave epoll_check_reopen() with epoll_fd == -1.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We also need to fallback in tevent_loop_wait()
otherwise we might miss events in the poll->fresh list.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
