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authorHans Bolinder <[email protected]>2014-04-28 12:05:38 +0200
committerHans Bolinder <[email protected]>2014-04-28 12:05:38 +0200
commit683a293321b42ff6159637b2e0171c397db9a872 (patch)
treeb7414677fed503f2db33adbc47b1cb44a8e6f23b /lib/stdlib/src/gen_event.erl
parent3be1dc100140139b2542cd327cf4f8453d43aca1 (diff)
parenteafe7f889a4ff60d9e3155518bda095740efe143 (diff)
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Merge branch 'hb/optional_callbacks/OTP-11861'
* hb/optional_callbacks/OTP-11861: [edoc] Handle optional behaviour callbacks [syntax_tools] Let erl_syntax:concrete() accept the F/A syntax Introduce the attribute -optional_callbacks in the context of behaviours
Diffstat (limited to 'lib/stdlib/src/gen_event.erl')
-rw-r--r--lib/stdlib/src/gen_event.erl10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index d39dd89d3a..bb0ff46268 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -101,6 +101,14 @@
-callback code_change(OldVsn :: (term() | {down, term()}),
State :: term(), Extra :: term()) ->
{ok, NewState :: term()}.
+-callback format_status(Opt, StatusData) -> Status when
+ Opt :: 'normal' | 'terminate',
+ StatusData :: [PDict | State],
+ PDict :: [{Key :: term(), Value :: term()}],
+ State :: term(),
+ Status :: term().
+
+-optional_callbacks([format_status/2]).
%%---------------------------------------------------------------------------