diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/supervisor.erl | 27 | ||||
| -rw-r--r-- | lib/stdlib/test/supervisor_SUITE.erl | 29 |
2 files changed, 42 insertions, 14 deletions
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index 1d7396adee..ac51bb3b79 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -393,6 +393,15 @@ handle_call({start_child, EArgs}, _From, State) when ?is_simple(State) -> {reply, What, State} end; +handle_call({start_child, ChildSpec}, _From, State) -> + case check_childspec(ChildSpec) of + {ok, Child} -> + {Resp, NState} = handle_start_child(Child, State), + {reply, Resp, NState}; + What -> + {reply, {error, What}, State} + end; + %% terminate_child for simple_one_for_one can only be done with pid handle_call({terminate_child, Name}, _From, State) when not is_pid(Name), ?is_simple(State) -> @@ -411,20 +420,10 @@ handle_call({terminate_child, Name}, _From, State) -> {reply, {error, not_found}, State} end; -%%% The requests delete_child and restart_child are invalid for -%%% simple_one_for_one supervisors. -handle_call({_Req, _Data}, _From, State) when ?is_simple(State) -> +%% restart_child request is invalid for simple_one_for_one supervisors +handle_call({restart_child, _Name}, _From, State) when ?is_simple(State) -> {reply, {error, simple_one_for_one}, State}; -handle_call({start_child, ChildSpec}, _From, State) -> - case check_childspec(ChildSpec) of - {ok, Child} -> - {Resp, NState} = handle_start_child(Child, State), - {reply, Resp, NState}; - What -> - {reply, {error, What}, State} - end; - handle_call({restart_child, Name}, _From, State) -> case get_child(Name, State) of {value, Child} when Child#child.pid =:= undefined -> @@ -446,6 +445,10 @@ handle_call({restart_child, Name}, _From, State) -> {reply, {error, not_found}, State} end; +%% delete_child request is invalid for simple_one_for_one supervisors +handle_call({delete_child, _Name}, _From, State) when ?is_simple(State) -> + {reply, {error, simple_one_for_one}, State}; + handle_call({delete_child, Name}, _From, State) -> case get_child(Name, State) of {value, Child} when Child#child.pid =:= undefined -> diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl index 015b09f35e..31d4b44f30 100644 --- a/lib/stdlib/test/supervisor_SUITE.erl +++ b/lib/stdlib/test/supervisor_SUITE.erl @@ -39,7 +39,8 @@ sup_start_ignore_temporary_child_start_child_simple/1, sup_start_ignore_permanent_child_start_child_simple/1, sup_start_error_return/1, sup_start_fail/1, - sup_start_map/1, sup_start_map_faulty_specs/1, + sup_start_map/1, sup_start_map_simple/1, + sup_start_map_faulty_specs/1, sup_stop_infinity/1, sup_stop_timeout/1, sup_stop_brutal_kill/1, child_adm/1, child_adm_simple/1, child_specs/1, extra_return/1, sup_flags/1]). @@ -103,7 +104,7 @@ groups() -> sup_start_ignore_permanent_child_start_child_simple, sup_start_error_return, sup_start_fail]}, {sup_start_map, [], - [sup_start_map, sup_start_map_faulty_specs]}, + [sup_start_map, sup_start_map_simple, sup_start_map_faulty_specs]}, {sup_stop, [], [sup_stop_infinity, sup_stop_timeout, sup_stop_brutal_kill]}, @@ -323,6 +324,30 @@ sup_start_map(Config) when is_list(Config) -> terminate(Pid, shutdown). %%------------------------------------------------------------------------- +%% Tests that the supervisor process starts correctly with map +%% startspec, and that the full childspec can be read when using +%% simple_one_for_one strategy. +sup_start_map_simple(Config) when is_list(Config) -> + process_flag(trap_exit, true), + SupFlags = #{strategy=>simple_one_for_one}, + ChildSpec = #{id=>undefined, + start=>{supervisor_1, start_child, []}, + restart=>temporary}, + {ok, Pid} = start_link({ok, {SupFlags, [ChildSpec]}}), + + {ok, Child1} = supervisor:start_child(Pid, []), + {ok, Child2} = supervisor:start_child(Pid, []), + {ok, Child3} = supervisor:start_child(Pid, []), + + Spec = ChildSpec#{type=>worker, shutdown=>5000, modules=>[supervisor_1]}, + + {ok, Spec} = supervisor:get_childspec(Pid, Child1), + {ok, Spec} = supervisor:get_childspec(Pid, Child2), + {ok, Spec} = supervisor:get_childspec(Pid, Child3), + {error,not_found} = supervisor:get_childspec(Pid, self()), + terminate(Pid, shutdown). + +%%------------------------------------------------------------------------- %% Tests that the supervisor produces good error messages when start- %% and child specs are faulty. sup_start_map_faulty_specs(Config) when is_list(Config) -> |