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-rw-r--r--lib/stdlib/src/supervisor.erl3
-rw-r--r--lib/stdlib/test/supervisor_1.erl6
-rw-r--r--lib/stdlib/test/supervisor_SUITE.erl93
3 files changed, 102 insertions, 0 deletions
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index e60706ed05..023183c5f0 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -661,6 +661,9 @@ do_restart(_, normal, Child, State) ->
do_restart(_, shutdown, Child, State) ->
NState = state_del_child(Child, State),
{ok, NState};
+do_restart(_, {shutdown, _Term}, Child, State) ->
+ NState = state_del_child(Child, State),
+ {ok, NState};
do_restart(transient, Reason, Child, State) ->
report_error(child_terminated, Reason, Child, State#state.name),
restart(Child, State);
diff --git a/lib/stdlib/test/supervisor_1.erl b/lib/stdlib/test/supervisor_1.erl
index 3198be0fed..f819594c46 100644
--- a/lib/stdlib/test/supervisor_1.erl
+++ b/lib/stdlib/test/supervisor_1.erl
@@ -62,6 +62,12 @@ handle_info(die, State) ->
handle_info(stop, State) ->
{stop, normal, State};
+handle_info({'EXIT',_,shutdown}, State) ->
+ {stop, shutdown, State};
+
+handle_info({'EXIT',_,{shutdown,Term}}, State) ->
+ {stop, {shutdown,Term}, State};
+
handle_info({sleep, Time}, State) ->
io:format("FOO: ~p~n", [Time]),
timer:sleep(Time),
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl
index c79a5002fb..969916abed 100644
--- a/lib/stdlib/test/supervisor_SUITE.erl
+++ b/lib/stdlib/test/supervisor_SUITE.erl
@@ -41,6 +41,8 @@
%% Tests concept permanent, transient and temporary
-export([ permanent_normal/1, transient_normal/1,
temporary_normal/1,
+ permanent_shutdown/1, transient_shutdown/1,
+ temporary_shutdown/1,
permanent_abnormal/1, transient_abnormal/1,
temporary_abnormal/1]).
@@ -71,6 +73,7 @@ all() ->
{group, restart_simple_one_for_one},
{group, restart_rest_for_one},
{group, normal_termination},
+ {group, shutdown_termination},
{group, abnormal_termination}, child_unlink, tree,
count_children_memory, do_not_save_start_parameters_for_temporary_children,
do_not_save_child_specs_for_temporary_children,
@@ -86,6 +89,8 @@ groups() ->
sup_stop_brutal_kill]},
{normal_termination, [],
[permanent_normal, transient_normal, temporary_normal]},
+ {shutdown_termination, [],
+ [permanent_shutdown, transient_shutdown, temporary_shutdown]},
{abnormal_termination, [],
[permanent_abnormal, transient_abnormal,
temporary_abnormal]},
@@ -550,6 +555,87 @@ temporary_normal(Config) when is_list(Config) ->
[0,0,0,0] = get_child_counts(sup_test).
%%-------------------------------------------------------------------------
+permanent_shutdown(doc) ->
+ ["A permanent child should always be restarted"];
+permanent_shutdown(suite) -> [];
+permanent_shutdown(Config) when is_list(Config) ->
+ {ok, SupPid} = start_link({ok, {{one_for_one, 2, 3600}, []}}),
+ Child1 = {child1, {supervisor_1, start_child, []}, permanent, 1000,
+ worker, []},
+
+ {ok, CPid1} = supervisor:start_child(sup_test, Child1),
+
+ terminate(SupPid, CPid1, child1, shutdown),
+
+ [{child1, CPid2 ,worker,[]}] = supervisor:which_children(sup_test),
+ case is_pid(CPid2) of
+ true ->
+ ok;
+ false ->
+ test_server:fail({permanent_child_not_restarted, Child1})
+ end,
+ [1,1,0,1] = get_child_counts(sup_test),
+
+ terminate(SupPid, CPid2, child1, {shutdown, some_info}),
+
+ [{child1, CPid3 ,worker,[]}] = supervisor:which_children(sup_test),
+ case is_pid(CPid3) of
+ true ->
+ ok;
+ false ->
+ test_server:fail({permanent_child_not_restarted, Child1})
+ end,
+
+ [1,1,0,1] = get_child_counts(sup_test).
+
+%%-------------------------------------------------------------------------
+transient_shutdown(doc) ->
+ ["A transient child should not be restarted if it exits with "
+ "reason shutdown or {shutdown,Term}"];
+transient_shutdown(suite) -> [];
+transient_shutdown(Config) when is_list(Config) ->
+ {ok, SupPid} = start_link({ok, {{one_for_one, 2, 3600}, []}}),
+ Child1 = {child1, {supervisor_1, start_child, []}, transient, 1000,
+ worker, []},
+
+ {ok, CPid1} = supervisor:start_child(sup_test, Child1),
+
+ terminate(SupPid, CPid1, child1, shutdown),
+
+ [{child1,undefined,worker,[]}] = supervisor:which_children(sup_test),
+ [1,0,0,1] = get_child_counts(sup_test),
+
+ {ok, CPid2} = supervisor:restart_child(sup_test, child1),
+
+ terminate(SupPid, CPid2, child1, {shutdown, some_info}),
+
+ [{child1,undefined,worker,[]}] = supervisor:which_children(sup_test),
+ [1,0,0,1] = get_child_counts(sup_test).
+
+%%-------------------------------------------------------------------------
+temporary_shutdown(doc) ->
+ ["A temporary process should never be restarted"];
+temporary_shutdown(suite) -> [];
+temporary_shutdown(Config) when is_list(Config) ->
+ {ok, SupPid} = start_link({ok, {{one_for_one, 2, 3600}, []}}),
+ Child1 = {child1, {supervisor_1, start_child, []}, temporary, 1000,
+ worker, []},
+
+ {ok, CPid1} = supervisor:start_child(sup_test, Child1),
+
+ terminate(SupPid, CPid1, child1, shutdown),
+
+ [] = supervisor:which_children(sup_test),
+ [0,0,0,0] = get_child_counts(sup_test),
+
+ {ok, CPid2} = supervisor:start_child(sup_test, Child1),
+
+ terminate(SupPid, CPid2, child1, {shutdown, some_info}),
+
+ [] = supervisor:which_children(sup_test),
+ [0,0,0,0] = get_child_counts(sup_test).
+
+%%-------------------------------------------------------------------------
permanent_abnormal(doc) ->
["A permanent child should always be restarted"];
permanent_abnormal(suite) -> [];
@@ -1263,6 +1349,13 @@ terminate(_, ChildPid, _, shutdown) ->
{'DOWN', Ref, process, ChildPid, shutdown} ->
ok
end;
+terminate(_, ChildPid, _, {shutdown, Term}) ->
+ Ref = erlang:monitor(process, ChildPid),
+ exit(ChildPid, {shutdown, Term}),
+ receive
+ {'DOWN', Ref, process, ChildPid, {shutdown, Term}} ->
+ ok
+ end;
terminate(_, ChildPid, _, normal) ->
Ref = erlang:monitor(process, ChildPid),
ChildPid ! stop,