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authorBjörn Gustavsson <[email protected]>2016-03-14 13:14:37 +0100
committerBjörn Gustavsson <[email protected]>2016-03-14 13:14:37 +0100
commitf6711a886eb606d63f4c9c21935f43aea2aabb0a (patch)
treeedf22801ac1aa9ebea65f464c732db03c12cc25f /lib
parentcfae4c856be7a3d534d6ca77a36297172d1bcea9 (diff)
parentcccf762d93640b707f8e1515604cebcfbe379c04 (diff)
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Merge branch 'bjorn/kernel/rpc/OTP-13409'
* bjorn/kernel/rpc/OTP-13409: Don't throw exceptions from rpc:call() and rpc:block_call() Reduce code duplication in called_node_dies/1 and friends
Diffstat (limited to 'lib')
-rw-r--r--lib/kernel/src/rpc.erl8
-rw-r--r--lib/kernel/test/rpc_SUITE.erl72
2 files changed, 34 insertions, 46 deletions
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index d3db8eb80a..b9284487d2 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -357,8 +357,12 @@ do_call(Node, Request, Timeout) ->
rpc_check_t({'EXIT', {timeout,_}}) -> {badrpc, timeout};
rpc_check_t(X) -> rpc_check(X).
-rpc_check({'EXIT', {{nodedown,_},_}}) -> {badrpc, nodedown};
-rpc_check({'EXIT', X}) -> exit(X);
+rpc_check({'EXIT', {{nodedown,_},_}}) ->
+ {badrpc, nodedown};
+rpc_check({'EXIT', _}=Exit) ->
+ %% Should only happen if the rex process on the other node
+ %% died.
+ {badrpc, Exit};
rpc_check(X) -> X.
diff --git a/lib/kernel/test/rpc_SUITE.erl b/lib/kernel/test/rpc_SUITE.erl
index 77b85f39e0..101cff7ed2 100644
--- a/lib/kernel/test/rpc_SUITE.erl
+++ b/lib/kernel/test/rpc_SUITE.erl
@@ -348,66 +348,50 @@ suicide(Mod, Func, Args) ->
called_node_dies(Config) when is_list(Config) ->
PA = filename:dirname(code:which(?MODULE)),
- %%
+
node_rep(
- fun (Tag, Call, Args) ->
- {Tag,{badrpc,nodedown}} =
- {Tag,apply(rpc, Call, Args)}
+ fun (Call, Args) ->
+ {badrpc,nodedown} = apply(rpc, Call, Args)
end, "rpc_SUITE_called_node_dies_1",
PA, ?MODULE, suicide, [erlang,halt,[]]),
+
node_rep(
- fun (Tag, Call, Args) ->
- {Tag,{badrpc,nodedown}} =
- {Tag,apply(rpc, Call, Args)}
+ fun (Call, Args) ->
+ {badrpc,nodedown} = apply(rpc, Call, Args)
end, "rpc_SUITE_called_node_dies_2",
PA, ?MODULE, suicide, [init,stop,[]]),
+
node_rep(
- fun (Tag, Call, Args=[_|_]) ->
- {Tag,{'EXIT',{killed,_}}} =
- {Tag,catch {noexit,apply(rpc, Call, Args)}}
+ fun (Call, Args=[_|_]) ->
+ {badrpc,{'EXIT',{killed,_}}} = apply(rpc, Call, Args)
end, "rpc_SUITE_called_node_dies_3",
PA, ?MODULE, suicide, [erlang,exit,[rex,kill]]),
+
node_rep(
- fun %% Cannot block call rpc - will hang
- (_Tag, block_call, _Args) -> ok;
- (Tag, Call, Args=[_|_]) ->
- {Tag,{'EXIT',{normal,_}}} =
- {Tag,catch {noexit,apply(rpc, Call, Args)}}
- end, "rpc_SUITE_called_node_dies_4",
+ fun (block_call, _Args) ->
+ %% Cannot block call rpc - will hang
+ ok;
+ (Call, Args=[_|_]) ->
+ {badrpc,{'EXIT',{normal,_}}} = apply(rpc, Call, Args)
+ end, "rpc_SUITE_called_node_dies_4",
PA, ?MODULE, suicide, [rpc,stop,[]]),
- %%
+
ok.
node_rep(Fun, Name, PA, M, F, A) ->
- {ok, Na} = test_server:start_node(list_to_atom(Name++"_a"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(a, call, [Na, M, F, A]),
- catch test_server:stop_node(Na),
- {ok, Nb} = test_server:start_node(list_to_atom(Name++"_b"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(b, call, [Nb, M, F, A, infinity]),
- catch test_server:stop_node(Nb),
- {ok, Nc} = test_server:start_node(list_to_atom(Name++"_c"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(c, call, [Nc, M, F, A, infinity]),
- catch test_server:stop_node(Nc),
- %%
- {ok, Nd} = test_server:start_node(list_to_atom(Name++"_d"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(d, block_call, [Nd, M, F, A]),
- catch test_server:stop_node(Nd),
- {ok, Ne} = test_server:start_node(list_to_atom(Name++"_e"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(e, block_call, [Ne, M, F, A, infinity]),
- catch test_server:stop_node(Ne),
- {ok, Nf} = test_server:start_node(list_to_atom(Name++"_f"), slave,
- [{args, "-pa " ++ PA}]),
- Fun(f, block_call, [Nf, M, F, A, infinity]),
- catch test_server:stop_node(Nf),
+ node_rep_call(a, call, [M,F,A], Fun, Name, PA),
+ node_rep_call(b, call, [M,F,A,infinity], Fun, Name, PA),
+ node_rep_call(c, block_call, [M,F,A], Fun, Name, PA),
+ node_rep_call(d, block_call, [M,F,A,infinity], Fun, Name, PA).
+
+node_rep_call(Tag, Call, Args, Fun, Name0, PA) ->
+ Name = list_to_atom(Name0 ++ "_" ++ atom_to_list(Tag)),
+ {ok, N} = test_server:start_node(Name, slave,
+ [{args, "-pa " ++ PA}]),
+ Fun(Call, [N|Args]),
+ catch test_server:stop_node(N),
ok.
-
-
%% OTP-3766.
called_throws(Config) when is_list(Config) ->
PA = filename:dirname(code:which(?MODULE)),