[erlang-bugs] gen_event:notify unexpected behavior
mog
mog-lists@REDACTED
Sat Apr 26 08:13:46 CEST 2008
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I recently started playing with the gen_event module, in hopes of
using it in my program for some optional debugging. Some of the time
I would like to turn on an event handler that prints out all the
incoming packets, the majority of the time I would just like it off as
I would not like to inure the penalty of copying the packets or a
description of them all the time only when debugging. The
documentation says that gen_event:notify always returns ok, but this
is not the case.
gen_event:notify(debug,"test").
** exception error: bad argument
in function gen_event:send/2
any of the other options except for the pid option also return an
error if the handler is not started.
Passing a pid does do what I want in that it returns very quickly,
however I would like to have named handlers as they are easier to deal
with.
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