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33 Commits

Author SHA1 Message Date
Stefan Metzmacher
a65df7e8c0 tevent: remove unused exit_code in tevent_select.c
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
2014-09-30 16:36:09 +02:00
Stefan Metzmacher
fbdaf7481b tevent: make use of talloc_get_type_abort() in tevent_select.c
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2013-12-11 22:46:09 +01:00
Stefan Metzmacher
35385a3e28 tevent: optimize adding new zero timer events
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>
2013-03-01 12:01:54 -08:00
Stefan Metzmacher
8764ec80bb tevent: use DLIST_DEMOTE() before calling on fde handler after select() and poll()
This makes sure we don't preferr events which are at the beginning
of the list.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01 12:00:06 -08:00
Stefan Metzmacher
b31767bf27 tevent: debug a FATAL message on EBADF from the select backend
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01 12:00:03 -08:00
Jeremy Allison
5ca6914884 tevent: Fix multiple handler on the same fd bug in the tevent select backend.
When we're deciding what handlers to call in the select backend,
we didn't take into account the fact that the same fd may have
been added into the read FD_SET and the write FD_SET but with
different handlers.

We must match on both the file descriptor and the flags requested
before calling the handler.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-03-01 11:59:59 -08:00
Stefan Metzmacher
f86df3e364 tevent: remember the errno from select(), poll() and epoll_wait()
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01 11:59:20 -08:00
Jeremy Allison
1ee428d5ca tevent: Add in the same tevent_re_initialise() fix Metze put in the tevent_poll backend.
We might be called during tevent_re_initialise()
which means we need to free our old additional_data.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14 10:19:38 -08:00
Martin Schwenke
796acbd9ff lib/tevent: Add trace point callback
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>
2012-06-08 19:00:05 +02:00
Jeremy Allison
6e66208f63 Finish the range checking on all FD_SET calls for select().
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Mon Feb 28 21:10:08 CET 2011 on sn-devel-104
2011-02-28 21:10:08 +01:00
Volker Lendecke
7f29f817fa tevent: Fix maxfd calculation in tevent_select
When doing

        fd1 = tevent_add_fd(ev, ev, 2, 0, NULL, NULL);
        fd2 = tevent_add_fd(ev, ev, 3, 0, NULL, NULL);
        TALLOC_FREE(fd2);
        fd2 = tevent_add_fd(ev, ev, 1, 0, NULL, NULL);

we end up with select_ev->maxfd==1. This is wrong.

An alternative fix might be to make select_ev->maxfd an unsigned int and make
EVENT_INVALID_MAXFD==UINT_MAX. But in theory we might end up with an fd of
UINT_MAX.

std_event_add_fd() contains exactly the same piece of code, so I'm directly
pushing it.

Volker
2010-06-10 11:24:00 +02:00
Andrew Tridgell
2550bbc981 tevent: mark backend init fns as _PRIVATE_
these are not supposed to be exposed in the library
2010-04-18 15:00:38 +10:00
Stefan Metzmacher
66886f8966 tevent: add support for immediate events
They're like directly triggered timed events,
but you can preallocated them and scheduling them
will not fail.

metze
2009-03-17 19:59:00 +01:00
Stefan Metzmacher
940e61846e tevent: add tevent_common_loop_wait() helper function and use it
tevent_loop_wait should do the same for all backends.
It should loop as long as we have pending events.

metze
2009-03-17 19:58:57 +01:00
Stefan Metzmacher
0139befb91 tevent: check signal events first in event_loop_once
We also check for signal events directly before and after
the select/epoll calls.

metze
2009-03-17 19:58:56 +01:00
Stefan Metzmacher
3af7db3dce tevent: let tevent_loop_once() just run one fd event
This makes the logic much simpler for the callers,
and matches the samba3 behavior.

If needed we can add performance tunning for tevent_loop_wait()
later.

metze
2009-03-17 19:58:55 +01:00
Stefan Metzmacher
9932fd2d9a tevent: pass __location__ to tevent_loop_once/wait()
metze
2009-03-12 12:12:34 +01:00
Kai Blin
48b874e376 tevent: Rename ev_timeval* functions to tevent_timeval, export them.
Also add tevent_timeval_add() and tevent_timeval_current_ofs()
to help not depending on lub/util/time.c for things that just need tevent
2009-02-17 09:19:31 +01:00
Stefan Metzmacher
6211162d3e lib/tevent: change to LGPLv3+
metze
2009-02-16 08:53:25 +01:00
Stefan Metzmacher
ceac26008c tevent: keep a linked list of fd_events
metze
2009-01-05 22:44:53 +01:00
Stefan Metzmacher
b24924d6a6 tevent: keep a linked list of signal events
metze
2009-01-05 22:44:53 +01:00
Stefan Metzmacher
e058e51d63 tevent: completely initialize tevent_fd structs
This fixes crash bugs... I forgot to commit and squash
this to commit e45ed828d042acca09cb1ed5b6dd7a24eb5e7ffd

metze
2009-01-04 09:39:17 +01:00
Stefan Metzmacher
67810019a0 tevent: remove TEVENT_FD_AUTOCLOSE feature
TEVENT_FD_AUTOCLOSE adds a dependency to SOCKET_WRAPPER,
which is bad. Callers should use tevent_fd_set_close_fn() now.

metze
2009-01-03 19:58:54 +01:00
Stefan Metzmacher
e45ed828d0 tevent: add tevent_fd_set_close_fn()
Let callers specify a close function
as an alternative to TEVENT_FD_AUTOCLOSE.

metze
2009-01-03 19:58:51 +01:00
Stefan Metzmacher
e928d863e2 tevent: move some common tevent_fd related functions into tevent_fd.c
metze
2009-01-03 19:58:50 +01:00
Stefan Metzmacher
784b2dc8d0 tevent: use TEVENT_FD_* instead of EVENT_FD_*
metze
2009-01-02 18:16:53 +01:00
Stefan Metzmacher
4f04b06ac2 tevent: rename ev_debug_ops => tevent_debug_ops
And related changes, but we keep compat macros

metze
2009-01-02 18:16:53 +01:00
Stefan Metzmacher
227f799dee tevent: pass down handler_name and location to the backend layer
metze
2009-01-02 18:16:52 +01:00
Stefan Metzmacher
d9529a331a tevent: rename event_register_backend() => tevent_register_backend()
And fix the callers and there init functions.

metze
2009-01-02 18:16:51 +01:00
Stefan Metzmacher
183c379fe5 s4:lib/tevent: rename structs
list=""
list="$list event_context:tevent_context"
list="$list fd_event:tevent_fd"
list="$list timed_event:tevent_timer"

for s in $list; do
	o=`echo $s | cut -d ':' -f1`
	n=`echo $s | cut -d ':' -f2`
	r=`git grep "struct $o" |cut -d ':' -f1 |sort -u`
	files=`echo "$r" | grep -v source3 | grep -v nsswitch | grep -v packaging4`
	for f in $files; do
		cat $f | sed -e "s/struct $o/struct $n/g" > $f.tmp
		mv $f.tmp $f
	done
done

metze
2008-12-29 20:46:40 +01:00
Stefan Metzmacher
7bf5768a52 lib/tevent: rename event_* => tevent_* in the header file
We have compat macros to keep the callers happy.

metze
2008-12-29 08:42:00 +01:00
Stefan Metzmacher
46eda79090 s4:lib/tevent: add lib/events/ compat and let things compile
metze
2008-12-17 13:31:29 +01:00
Stefan Metzmacher
504f8816e3 s4:lib/events: move to toplevel directory as lib/tevent/
This commit will not compile on its own.

metze
2008-12-17 13:31:28 +01:00