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25 Commits

Author SHA1 Message Date
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