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-rw-r--r--lib/kernel/src/code_server.erl27
1 files changed, 22 insertions, 5 deletions
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 018f7f41d2..d4e3f0bcf8 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -1479,13 +1479,12 @@ finish_on_load(Ref, OnLoadRes, #state{on_load=OnLoad0,moddb=Db}=State) ->
end.
finish_on_load_1(Mod, File, OnLoadRes, WaitingPids, Db) ->
- Keep = if
- is_boolean(OnLoadRes) -> OnLoadRes;
- true -> false
- end,
+ Keep = OnLoadRes =:= ok,
erlang:finish_after_on_load(Mod, Keep),
Res = case Keep of
- false -> {error,on_load_failure};
+ false ->
+ finish_on_load_report(Mod, OnLoadRes),
+ {error,on_load_failure};
true ->
ets:insert(Db, {Mod,File}),
{module,Mod}
@@ -1493,6 +1492,24 @@ finish_on_load_1(Mod, File, OnLoadRes, WaitingPids, Db) ->
[reply(Pid, Res) || Pid <- WaitingPids],
ok.
+finish_on_load_report(_Mod, Atom) when is_atom(Atom) ->
+ %% No error reports for atoms.
+ ok;
+finish_on_load_report(Mod, Term) ->
+ %% Play it very safe here. The error_logger module and
+ %% modules it depend on may not be loaded yet and there
+ %% would be a dead-lock if we called it directly
+ %% from the code_server process.
+ spawn(fun() ->
+ F = "The on_load function for module "
+ "~s returned ~P\n",
+
+ %% Express the call as an apply to simplify
+ %% the ext_mod_dep/1 test case.
+ E = error_logger,
+ E:warning_msg(F, [Mod,Term,10])
+ end).
+
%% -------------------------------------------------------
%% Internal functions.
%% -------------------------------------------------------