Chapril/xmpp.chapril.org-ejabberd
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Fix race condition (EJABS-1677)

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Evgeniy Khramtsov 2011-05-30 16:51:55 +10:00 committed by Christophe Romain
parent 133b8d42a3
commit f0c32433dc
1 changed files with 10 additions and 2 deletions
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12
src/mod_ack.erl
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@ -233,8 +233,16 @@ handle_cast(_Msg, State) ->
handle_info({timeout, _TRef, {ID, Pid}}, State) ->
case lookup(Pid, ID, State#state.timers) of
{ok, _} ->
catch ejabberd_c2s:stop(Pid),
handle_cast({del, Pid}, State);
MRef = erlang:monitor(process, Pid),
catch ejabberd_c2s:stop(Pid),
receive
{'DOWN', MRef, process, Pid, _Reason}->
ok
after 5 ->
catch exit(Pid, kill)
end,
erlang:demonitor(MRef, [flush]),
handle_cast({del, Pid}, State);
error ->
{noreply, State}
end;