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authorErlang/OTP <[email protected]>2010-04-29 15:25:27 +0000
committerErlang/OTP <[email protected]>2010-04-29 15:25:27 +0000
commitb328564bfe321c2df597c77fea57566ee8d00f2b (patch)
tree48d06057fad0819ebdf2811992631e6ae8ebb2c9 /lib/kernel/src/heart.erl
parentc8fbe3f82050477a713b22b5d3b671718588aa79 (diff)
parent75ea6a39d1cf4bd4a67391595b90d8d90155d012 (diff)
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Merge branch 'ks/kernel' into dev
* ks/kernel: kernel: Clean up as suggested by tidier OTP-8606 ks/kernel
Diffstat (limited to 'lib/kernel/src/heart.erl')
-rw-r--r--lib/kernel/src/heart.erl19
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl
index bad0950fca..e78acfc7a6 100644
--- a/lib/kernel/src/heart.erl
+++ b/lib/kernel/src/heart.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1996-2010. 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
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
-module(heart).
@@ -61,8 +61,8 @@ start() ->
wait_for_init_ack(From) ->
receive
- {ok, From} ->
- {ok, From};
+ {ok, From} = Ok ->
+ Ok;
{no_heart, From} ->
ignore;
{Error, From} ->
@@ -119,8 +119,7 @@ wait() ->
start_portprogram() ->
check_start_heart(),
- HeartCmd = "heart -pid " ++ os:getpid() ++ " " ++
- get_heart_timeouts(),
+ HeartCmd = "heart -pid " ++ os:getpid() ++ " " ++ get_heart_timeouts(),
try open_port({spawn, HeartCmd}, [{packet, 2}]) of
Port when is_port(Port) ->
case wait_ack(Port) of
@@ -175,7 +174,7 @@ wait_ack(Port) ->
loop(Parent, Port, Cmd) ->
send_heart_beat(Port),
receive
- {From, set_cmd, NewCmd} when is_list(NewCmd), length(NewCmd) < 2047 ->
+ {From, set_cmd, NewCmd} when length(NewCmd) < 2047 ->
send_heart_cmd(Port, NewCmd),
wait_ack(Port),
From ! {heart, ok},