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-rw-r--r--lib/kernel/src/heart.erl10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl
index e78acfc7a6..255ae4e51b 100644
--- a/lib/kernel/src/heart.erl
+++ b/lib/kernel/src/heart.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -85,19 +85,21 @@ init(Starter, Parent) ->
Starter ! {start_error, self()}
end.
--spec set_cmd(string()) -> 'ok' | {'error', {'bad_cmd', string()}}.
+-spec set_cmd(Cmd) -> 'ok' | {'error', {'bad_cmd', Cmd}} when
+ Cmd :: string().
set_cmd(Cmd) ->
heart ! {self(), set_cmd, Cmd},
wait().
--spec get_cmd() -> 'ok'.
+-spec get_cmd() -> {ok, Cmd} when
+ Cmd :: string().
get_cmd() ->
heart ! {self(), get_cmd},
wait().
--spec clear_cmd() -> {'ok', string()}.
+-spec clear_cmd() -> ok.
clear_cmd() ->
heart ! {self(), clear_cmd},