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-rw-r--r--lib/stdlib/src/epp.erl28
-rw-r--r--lib/stdlib/src/erl_eval.erl3
-rw-r--r--lib/stdlib/src/erl_lint.erl9
-rw-r--r--lib/stdlib/src/erl_parse.yrl12
-rw-r--r--lib/stdlib/src/erl_pp.erl10
-rw-r--r--lib/stdlib/src/filename.erl25
-rw-r--r--lib/stdlib/src/gen.erl4
-rw-r--r--lib/stdlib/src/gen_fsm.erl16
-rw-r--r--lib/stdlib/src/gen_server.erl6
-rw-r--r--lib/stdlib/src/ms_transform.erl17
-rw-r--r--lib/stdlib/src/qlc.erl5
-rw-r--r--lib/stdlib/src/re.erl2
-rw-r--r--lib/stdlib/src/supervisor.erl121
13 files changed, 205 insertions, 53 deletions
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 230a4a0612..ccc14610d7 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -267,8 +267,10 @@ init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) ->
case user_predef(Pdm, Ms0) of
{ok,Ms1} ->
epp_reply(Pid, {ok,self()}),
+ %% ensure directory of current source file is first in path
+ Path1 = [filename:dirname(Name) | Path],
St = #epp{file=File, location=AtLocation, delta=0, name=Name,
- name2=Name, path=Path, macs=Ms1, pre_opened = Pre},
+ name2=Name, path=Path1, macs=Ms1, pre_opened = Pre},
From = wait_request(St),
enter_file_reply(From, Name, AtLocation, AtLocation),
wait_req_scan(St);
@@ -360,18 +362,18 @@ wait_req_skip(St, Sis) ->
From = wait_request(St),
skip_toks(From, St, Sis).
-%% enter_file(Path, FileName, IncludeToken, From, EppState)
+%% enter_file(FileName, IncludeToken, From, EppState)
%% leave_file(From, EppState)
%% Handle entering and leaving included files. Notify caller when the
%% current file is changed. Note it is an error to exit a file if we are
%% in a conditional. These functions never return.
-enter_file(_Path, _NewName, Inc, From, St)
+enter_file(_NewName, Inc, From, St)
when length(St#epp.sstk) >= 8 ->
epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include"}}}),
wait_req_scan(St);
-enter_file(Path, NewName, Inc, From, St) ->
- case file:path_open(Path, NewName, [read]) of
+enter_file(NewName, Inc, From, St) ->
+ case file:path_open(St#epp.path, NewName, [read]) of
{ok,NewF,Pname} ->
Loc = start_loc(St#epp.location),
wait_req_scan(enter_file2(NewF, Pname, From, St, Loc));
@@ -384,13 +386,16 @@ enter_file(Path, NewName, Inc, From, St) ->
%% Set epp to use this file and "enter" it.
enter_file2(NewF, Pname, From, St, AtLocation) ->
- enter_file2(NewF, Pname, From, St, AtLocation, []).
-
-enter_file2(NewF, Pname, From, St, AtLocation, ExtraPath) ->
Loc = start_loc(AtLocation),
enter_file_reply(From, Pname, Loc, AtLocation),
Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St#epp.macs),
- Path = St#epp.path ++ ExtraPath,
+ %% update the head of the include path to be the directory of the new
+ %% source file, so that an included file can always include other files
+ %% relative to its current location (this is also how C does it); note
+ %% that the directory of the parent source file (the previous head of
+ %% the path) must be dropped, otherwise the path used within the current
+ %% file will depend on the order of file inclusions in the parent files
+ Path = [filename:dirname(Pname) | tl(St#epp.path)],
#epp{file=NewF,location=Loc,name=Pname,delta=0,
sstk=[St|St#epp.sstk],path=Path,macs=Ms}.
@@ -655,7 +660,7 @@ scan_undef(_Toks, Undef, From, St) ->
scan_include([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc,
From, St) ->
NewName = expand_var(NewName0),
- enter_file(St#epp.path, NewName, Inc, From, St);
+ enter_file(NewName, Inc, From, St);
scan_include(_Toks, Inc, From, St) ->
epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include}}}),
wait_req_scan(St).
@@ -687,9 +692,8 @@ scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}],
LibName = fname_join([LibDir | Rest]),
case file:open(LibName, [read]) of
{ok,NewF} ->
- ExtraPath = [filename:dirname(LibName)],
wait_req_scan(enter_file2(NewF, LibName, From,
- St, Loc, ExtraPath));
+ St, Loc));
{error,_E2} ->
epp_reply(From,
{error,{abs_loc(Inc),epp,
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 4f4fa16040..88a0094d57 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -256,7 +256,8 @@ expr({'receive',_,Cs}, Bs, Lf, Ef, RBs) ->
expr({'receive',_, Cs, E, TB}, Bs0, Lf, Ef, RBs) ->
{value,T,Bs} = expr(E, Bs0, Lf, Ef, none),
receive_clauses(T, Cs, {TB,Bs}, Bs0, Lf, Ef, [], RBs);
-expr({'fun',_Line,{function,Mod,Name,Arity}}, Bs, _Lf, _Ef, RBs) ->
+expr({'fun',_Line,{function,Mod0,Name0,Arity0}}, Bs0, Lf, Ef, RBs) ->
+ {[Mod,Name,Arity],Bs} = expr_list([Mod0,Name0,Arity0], Bs0, Lf, Ef),
F = erlang:make_fun(Mod, Name, Arity),
ret_expr(F, Bs, RBs);
expr({'fun',_Line,{function,Name,Arity}}, _Bs0, _Lf, _Ef, _RBs) -> % R8
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 78b996d94b..5d45260fe9 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -2127,8 +2127,13 @@ expr({'fun',Line,Body}, Vt, St) ->
true -> {[],St};
false -> {[],call_function(Line, F, A, St)}
end;
- {function,_M,_F,_A} ->
- {[],St}
+ {function,M,F,A} when is_atom(M), is_atom(F), is_integer(A) ->
+ %% Compatibility with pre-R15 abstract format.
+ {[],St};
+ {function,M,F,A} ->
+ %% New in R15.
+ {Bvt, St1} = expr_list([M,F,A], Vt, St),
+ {vtupdate(Bvt, Vt),St1}
end;
expr({call,_Line,{atom,_Lr,is_record},[E,{atom,Ln,Name}]}, Vt, St0) ->
{Rvt,St1} = expr(E, Vt, St0),
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 709bd83e6f..928c10f7f2 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -35,7 +35,7 @@ tuple
%struct
record_expr record_tuple record_field record_fields
if_expr if_clause if_clauses case_expr cr_clause cr_clauses receive_expr
-fun_expr fun_clause fun_clauses
+fun_expr fun_clause fun_clauses atom_or_var integer_or_var
try_expr try_catch try_clause try_clauses query_expr
function_call argument_list
exprs guard
@@ -395,11 +395,17 @@ receive_expr -> 'receive' cr_clauses 'after' expr clause_body 'end' :
fun_expr -> 'fun' atom '/' integer :
{'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4')}}.
-fun_expr -> 'fun' atom ':' atom '/' integer :
- {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4'),element(3,'$6')}}.
+fun_expr -> 'fun' atom_or_var ':' atom_or_var '/' integer_or_var :
+ {'fun',?line('$1'),{function,'$2','$4','$6'}}.
fun_expr -> 'fun' fun_clauses 'end' :
build_fun(?line('$1'), '$2').
+atom_or_var -> atom : '$1'.
+atom_or_var -> var : '$1'.
+
+integer_or_var -> integer : '$1'.
+integer_or_var -> var : '$1'.
+
fun_clauses -> fun_clause : ['$1'].
fun_clauses -> fun_clause ';' fun_clauses : ['$1' | '$3'].
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 7dc19f2e9b..6b5aa951cf 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -457,8 +457,16 @@ lexpr({'fun',_,{function,F,A}}, _Prec, _Hook) ->
leaf(format("fun ~w/~w", [F,A]));
lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Hook) ->
{force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))};
-lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) ->
+lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook)
+ when is_atom(M), is_atom(F), is_integer(A) ->
+ %% For backward compatibility with pre-R15 abstract format.
leaf(format("fun ~w:~w/~w", [M,F,A]));
+lexpr({'fun',_,{function,M,F,A}}, _Prec, Hook) ->
+ %% New format in R15.
+ NameItem = lexpr(M, Hook),
+ CallItem = lexpr(F, Hook),
+ ArityItem = lexpr(A, Hook),
+ ["fun ",NameItem,$:,CallItem,$/,ArityItem];
lexpr({'fun',_,{clauses,Cs}}, _Prec, Hook) ->
{list,[{first,'fun',fun_clauses(Cs, Hook)},'end']};
lexpr({'fun',_,{clauses,Cs},Extra}, _Prec, Hook) ->
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 1cb9e4a25e..2fc9128e4e 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -147,9 +147,10 @@ basename(Name) when is_binary(Name) ->
end;
basename(Name0) ->
- Name = flatten(Name0),
+ Name1 = flatten(Name0),
{DirSep2, DrvSep} = separators(),
- basename1(skip_prefix(Name, DrvSep), [], DirSep2).
+ Name = skip_prefix(Name1, DrvSep),
+ basename1(Name, Name, DirSep2).
win_basenameb(<<Letter,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter) ->
basenameb(Rest,[<<"/">>,<<"\\">>]);
@@ -167,16 +168,18 @@ basenameb(Bin,Sep) ->
-basename1([$/|[]], Tail, DirSep2) ->
- basename1([], Tail, DirSep2);
+basename1([$/], Tail0, _DirSep2) ->
+ %% End of filename -- must get rid of trailing directory separator.
+ [_|Tail] = lists:reverse(Tail0),
+ lists:reverse(Tail);
basename1([$/|Rest], _Tail, DirSep2) ->
- basename1(Rest, [], DirSep2);
+ basename1(Rest, Rest, DirSep2);
basename1([DirSep2|Rest], Tail, DirSep2) when is_integer(DirSep2) ->
basename1([$/|Rest], Tail, DirSep2);
basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) ->
- basename1(Rest, [Char|Tail], DirSep2);
+ basename1(Rest, Tail, DirSep2);
basename1([], Tail, _DirSep2) ->
- lists:reverse(Tail).
+ Tail.
skip_prefix(Name, false) ->
Name;
@@ -369,8 +372,8 @@ extension(Name0) ->
Name = flatten(Name0),
extension(Name, [], major_os_type()).
-extension([$.|Rest], _Result, OsType) ->
- extension(Rest, [$.], OsType);
+extension([$.|Rest]=Result, _Result, OsType) ->
+ extension(Rest, Result, OsType);
extension([Char|Rest], [], OsType) when is_integer(Char) ->
extension(Rest, [], OsType);
extension([$/|Rest], _Result, OsType) ->
@@ -378,9 +381,9 @@ extension([$/|Rest], _Result, OsType) ->
extension([$\\|Rest], _Result, win32) ->
extension(Rest, [], win32);
extension([Char|Rest], Result, OsType) when is_integer(Char) ->
- extension(Rest, [Char|Result], OsType);
+ extension(Rest, Result, OsType);
extension([], Result, _OsType) ->
- lists:reverse(Result).
+ Result.
%% Joins a list of filenames with directory separators.
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 574146b1cd..5d803091b6 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -273,7 +273,7 @@ reply({To, Tag}, Reply) ->
%%%-----------------------------------------------------------------
%%% Misc. functions.
%%%-----------------------------------------------------------------
-where({global, Name}) -> global:safe_whereis_name(Name);
+where({global, Name}) -> global:whereis_name(Name);
where({local, Name}) -> whereis(Name).
name_register({local, Name} = LN) ->
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index 3db8c9f4f2..57734a075c 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -296,7 +296,7 @@ get_proc_name({local, Name}) ->
exit(process_not_registered)
end;
get_proc_name({global, Name}) ->
- case global:safe_whereis_name(Name) of
+ case global:whereis_name(Name) of
undefined ->
exit(process_not_registered_globally);
Pid when Pid =:= self() ->
@@ -318,7 +318,7 @@ get_parent() ->
name_to_pid(Name) ->
case whereis(Name) of
undefined ->
- case global:safe_whereis_name(Name) of
+ case global:whereis_name(Name) of
undefined ->
exit(could_not_find_registerd_name);
Pid ->
@@ -348,12 +348,15 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) ->
proc_lib:init_ack(Starter, {ok, self()}),
loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug);
{stop, Reason} ->
+ unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
ignore ->
+ unregister_name(Name0),
proc_lib:init_ack(Starter, ignore),
exit(normal);
{'EXIT', Reason} ->
+ unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
Else ->
@@ -366,6 +369,13 @@ name({local,Name}) -> Name;
name({global,Name}) -> Name;
name(Pid) when is_pid(Pid) -> Pid.
+unregister_name({local,Name}) ->
+ _ = (catch unregister(Name));
+unregister_name({global,Name}) ->
+ _ = global:unregister_name(Name);
+unregister_name(Pid) when is_pid(Pid) ->
+ Pid.
+
%%-----------------------------------------------------------------
%% The MAIN loop
%%-----------------------------------------------------------------
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index dd0ef74f30..6f075bbe5a 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -820,7 +820,7 @@ get_proc_name({local, Name}) ->
exit(process_not_registered)
end;
get_proc_name({global, Name}) ->
- case global:safe_whereis_name(Name) of
+ case global:whereis_name(Name) of
undefined ->
exit(process_not_registered_globally);
Pid when Pid =:= self() ->
@@ -842,7 +842,7 @@ get_parent() ->
name_to_pid(Name) ->
case whereis(Name) of
undefined ->
- case global:safe_whereis_name(Name) of
+ case global:whereis_name(Name) of
undefined ->
exit(could_not_find_registerd_name);
Pid ->
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 48e22e53fa..63b397f3a5 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -333,17 +333,18 @@ form({function,Line,Name0,Arity0,Clauses0}) ->
form(AnyOther) ->
AnyOther.
function(Name, Arity, Clauses0) ->
- {Clauses1,_} = clauses(Clauses0,gb_sets:new()),
+ Clauses1 = clauses(Clauses0),
{Name,Arity,Clauses1}.
-clauses([C0|Cs],Bound) ->
- {C1,Bound1} = clause(C0,Bound),
- {C2,Bound2} = clauses(Cs,Bound1),
- {[C1|C2],Bound2};
-clauses([],Bound) -> {[],Bound}.
+clauses([C0|Cs]) ->
+ C1 = clause(C0,gb_sets:new()),
+ C2 = clauses(Cs),
+ [C1|C2];
+clauses([]) -> [].
+
clause({clause,Line,H0,G0,B0},Bound) ->
{H1,Bound1} = copy(H0,Bound),
- {B1,Bound2} = copy(B0,Bound1),
- {{clause,Line,H1,G0,B1},Bound2}.
+ {B1,_Bound2} = copy(B0,Bound1),
+ {clause,Line,H1,G0,B1}.
copy({call,Line,{remote,_Line2,{atom,_Line3,ets},{atom,_Line4,fun2ms}},
As0},Bound) ->
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index f5e180b4bd..2b691e6abf 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -1272,7 +1272,10 @@ abstr_term(Fun, Line) when is_function(Fun) ->
case erlang:fun_info(Fun, type) of
{type, external} ->
{module, Module} = erlang:fun_info(Fun, module),
- {'fun', Line, {function,Module,Name,Arity}};
+ {'fun', Line, {function,
+ {atom,Line,Module},
+ {atom,Line,Name},
+ {integer,Line,Arity}}};
{type, local} ->
{'fun', Line, {function,Name,Arity}}
end
diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl
index 99bcbd722e..246d535943 100644
--- a/lib/stdlib/src/re.erl
+++ b/lib/stdlib/src/re.erl
@@ -48,7 +48,7 @@ split(Subject,RE) ->
Subject :: iodata() | unicode:charlist(),
RE :: mp() | iodata() | unicode:charlist(),
Options :: [ Option ],
- Option :: anchored | global | notbol | noteol | notempty
+ Option :: anchored | notbol | noteol | notempty
| {offset, non_neg_integer()} | {newline, nl_spec()}
| bsr_anycrlf | bsr_unicode | {return, ReturnType}
| {parts, NumParts} | group | trim | CompileOpt,
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index 9da0d52f8c..2dd5ccce7a 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -515,9 +515,12 @@ handle_info(Msg, State) ->
%%
-spec terminate(term(), state()) -> 'ok'.
+terminate(_Reason, #state{children=[Child]} = State) when ?is_simple(State) ->
+ terminate_dynamic_children(Child, dynamics_db(Child#child.restart_type,
+ State#state.dynamics),
+ State#state.name);
terminate(_Reason, State) ->
- terminate_children(State#state.children, State#state.name),
- ok.
+ terminate_children(State#state.children, State#state.name).
%%
%% Change code for the supervisor.
@@ -830,8 +833,109 @@ monitor_child(Pid) ->
%% that will be handled in shutdown/2.
ok
end.
-
-
+
+
+%%-----------------------------------------------------------------
+%% Func: terminate_dynamic_children/3
+%% Args: Child = child_rec()
+%% Dynamics = ?DICT() | ?SET()
+%% SupName = {local, atom()} | {global, atom()} | {pid(),Mod}
+%% Returns: ok
+%%
+%%
+%% Shutdown all dynamic children. This happens when the supervisor is
+%% stopped. Because the supervisor can have millions of dynamic children, we
+%% can have an significative overhead here.
+%%-----------------------------------------------------------------
+terminate_dynamic_children(Child, Dynamics, SupName) ->
+ {Pids, EStack0} = monitor_dynamic_children(Child, Dynamics),
+ Sz = ?SETS:size(Pids),
+ EStack = case Child#child.shutdown of
+ brutal_kill ->
+ ?SETS:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz, undefined, EStack0);
+ infinity ->
+ ?SETS:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz, undefined, EStack0);
+ Time ->
+ ?SETS:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
+ TRef = erlang:start_timer(Time, self(), kill),
+ wait_dynamic_children(Child, Pids, Sz, TRef, EStack0)
+ end,
+ %% Unrool stacked errors and report them
+ ?DICT:fold(fun(Reason, Ls, _) ->
+ report_error(shutdown_error, Reason,
+ Child#child{pid=Ls}, SupName)
+ end, ok, EStack).
+
+
+monitor_dynamic_children(#child{restart_type=temporary}, Dynamics) ->
+ ?SETS:fold(fun(P, {Pids, EStack}) ->
+ case monitor_child(P) of
+ ok ->
+ {?SETS:add_element(P, Pids), EStack};
+ {error, normal} ->
+ {Pids, EStack};
+ {error, Reason} ->
+ {Pids, ?DICT:append(Reason, P, EStack)}
+ end
+ end, {?SETS:new(), ?DICT:new()}, Dynamics);
+monitor_dynamic_children(#child{restart_type=RType}, Dynamics) ->
+ ?DICT:fold(fun(P, _, {Pids, EStack}) ->
+ case monitor_child(P) of
+ ok ->
+ {?SETS:add_element(P, Pids), EStack};
+ {error, normal} when RType =/= permanent ->
+ {Pids, EStack};
+ {error, Reason} ->
+ {Pids, ?DICT:append(Reason, P, EStack)}
+ end
+ end, {?SETS:new(), ?DICT:new()}, Dynamics).
+
+
+wait_dynamic_children(_Child, _Pids, 0, undefined, EStack) ->
+ EStack;
+wait_dynamic_children(_Child, _Pids, 0, TRef, EStack) ->
+ %% If the timer has expired before its cancellation, we must empty the
+ %% mail-box of the 'timeout'-message.
+ erlang:cancel_timer(TRef),
+ receive
+ {timeout, TRef, kill} ->
+ EStack
+ after 0 ->
+ EStack
+ end;
+wait_dynamic_children(#child{shutdown=brutal_kill} = Child, Pids, Sz,
+ TRef, EStack) ->
+ receive
+ {'DOWN', _MRef, process, Pid, killed} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, Reason} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, ?DICT:append(Reason, Pid, EStack))
+ end;
+wait_dynamic_children(#child{restart_type=RType} = Child, Pids, Sz,
+ TRef, EStack) ->
+ receive
+ {'DOWN', _MRef, process, Pid, shutdown} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, normal} when RType =/= permanent ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, EStack);
+
+ {'DOWN', _MRef, process, Pid, Reason} ->
+ wait_dynamic_children(Child, ?SETS:del_element(Pid, Pids), Sz-1,
+ TRef, ?DICT:append(Reason, Pid, EStack));
+
+ {timeout, TRef, kill} ->
+ ?SETS:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
+ wait_dynamic_children(Child, Pids, Sz-1, undefined, EStack)
+ end.
+
%%-----------------------------------------------------------------
%% Child/State manipulating functions.
%%-----------------------------------------------------------------
@@ -1053,7 +1157,7 @@ validRestartType(RestartType) -> throw({invalid_restart_type, RestartType}).
validShutdown(Shutdown, _)
when is_integer(Shutdown), Shutdown > 0 -> true;
-validShutdown(infinity, supervisor) -> true;
+validShutdown(infinity, _) -> true;
validShutdown(brutal_kill, _) -> true;
validShutdown(Shutdown, _) -> throw({invalid_shutdown, Shutdown}).
@@ -1134,6 +1238,13 @@ report_error(Error, Reason, Child, SupName) ->
error_logger:error_report(supervisor_report, ErrorMsg).
+extract_child(Child) when is_list(Child#child.pid) ->
+ [{nb_children, length(Child#child.pid)},
+ {name, Child#child.name},
+ {mfargs, Child#child.mfargs},
+ {restart_type, Child#child.restart_type},
+ {shutdown, Child#child.shutdown},
+ {child_type, Child#child.child_type}];
extract_child(Child) ->
[{pid, Child#child.pid},
{name, Child#child.name},