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-rw-r--r--lib/stdlib/src/beam_lib.erl20
-rw-r--r--lib/stdlib/src/c.erl8
-rw-r--r--lib/stdlib/src/dets.erl97
-rw-r--r--lib/stdlib/src/dets_server.erl8
-rw-r--r--lib/stdlib/src/dets_utils.erl24
-rw-r--r--lib/stdlib/src/dets_v8.erl8
-rw-r--r--lib/stdlib/src/dets_v9.erl14
-rw-r--r--lib/stdlib/src/dict.erl3
-rw-r--r--lib/stdlib/src/digraph_utils.erl4
-rw-r--r--lib/stdlib/src/edlin.erl3
-rw-r--r--lib/stdlib/src/epp.erl9
-rw-r--r--lib/stdlib/src/erl_eval.erl64
-rw-r--r--lib/stdlib/src/erl_lint.erl137
-rw-r--r--lib/stdlib/src/erl_parse.yrl1
-rw-r--r--lib/stdlib/src/erl_pp.erl41
-rw-r--r--lib/stdlib/src/erl_scan.erl2
-rw-r--r--lib/stdlib/src/erl_tar.erl5
-rw-r--r--lib/stdlib/src/error_logger_tty_h.erl11
-rw-r--r--lib/stdlib/src/escript.erl8
-rw-r--r--lib/stdlib/src/ets.erl61
-rw-r--r--lib/stdlib/src/file_sorter.erl32
-rw-r--r--lib/stdlib/src/filelib.erl2
-rw-r--r--lib/stdlib/src/gb_sets.erl3
-rw-r--r--lib/stdlib/src/gb_trees.erl3
-rw-r--r--lib/stdlib/src/gen.erl31
-rw-r--r--lib/stdlib/src/gen_event.erl18
-rw-r--r--lib/stdlib/src/gen_fsm.erl15
-rw-r--r--lib/stdlib/src/gen_server.erl29
-rw-r--r--lib/stdlib/src/io.erl6
-rw-r--r--lib/stdlib/src/io_lib.erl1
-rw-r--r--lib/stdlib/src/lists.erl24
-rw-r--r--lib/stdlib/src/log_mf_h.erl13
-rw-r--r--lib/stdlib/src/otp_internal.erl181
-rw-r--r--lib/stdlib/src/pool.erl4
-rw-r--r--lib/stdlib/src/sets.erl3
-rw-r--r--lib/stdlib/src/shell.erl8
-rw-r--r--lib/stdlib/src/slave.erl28
-rw-r--r--lib/stdlib/src/stdlib.appup.src14
-rw-r--r--lib/stdlib/src/string.erl1
-rw-r--r--lib/stdlib/src/supervisor.erl43
-rw-r--r--lib/stdlib/src/sys.erl38
-rw-r--r--lib/stdlib/src/timer.erl8
42 files changed, 659 insertions, 374 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index fe7e0f8e60..1a7b7d5a5e 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -300,12 +300,12 @@ clear_crypto_key_fun() ->
call_crypto_server(clear_crypto_key_fun).
-spec make_crypto_key(mode(), string()) ->
- {binary(), binary(), binary(), binary()}.
+ {mode(), [binary()], binary(), integer()}.
-make_crypto_key(des3_cbc, String) ->
+make_crypto_key(des3_cbc=Type, String) ->
<<K1:8/binary,K2:8/binary>> = First = erlang:md5(String),
<<K3:8/binary,IVec:8/binary>> = erlang:md5([First|reverse(String)]),
- {K1,K2,K3,IVec}.
+ {Type,[K1,K2,K3],IVec,8}.
%%
%% Local functions
@@ -864,20 +864,20 @@ mandatory_chunks() ->
-define(CRYPTO_KEY_SERVER, beam_lib__crypto_key_server).
-decrypt_abst(Mode, Module, File, Id, AtomTable, Bin) ->
+decrypt_abst(Type, Module, File, Id, AtomTable, Bin) ->
try
- KeyString = get_crypto_key({debug_info, Mode, Module, File}),
- Key = make_crypto_key(des3_cbc, KeyString),
- Term = decrypt_abst_1(Mode, Key, Bin),
+ KeyString = get_crypto_key({debug_info, Type, Module, File}),
+ Key = make_crypto_key(Type, KeyString),
+ Term = decrypt_abst_1(Key, Bin),
{AtomTable, {Id, Term}}
catch
_:_ ->
error({key_missing_or_invalid, File, Id})
end.
-decrypt_abst_1(des3_cbc, {K1, K2, K3, IVec}, Bin) ->
+decrypt_abst_1({Type,Key,IVec,_BlockSize}, Bin) ->
ok = start_crypto(),
- NewBin = crypto:des3_cbc_decrypt(K1, K2, K3, IVec, Bin),
+ NewBin = crypto:block_decrypt(Type, Key, IVec, Bin),
binary_to_term(NewBin).
start_crypto() ->
@@ -904,7 +904,7 @@ call_crypto_server(Req) ->
end.
call_crypto_server_1(Req) ->
- gen_server:start({local,?CRYPTO_KEY_SERVER}, ?MODULE, [], []),
+ {ok, _} = gen_server:start({local,?CRYPTO_KEY_SERVER}, ?MODULE, [], []),
erlang:yield(),
call_crypto_server(Req).
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl
index 91d317489c..fb6b8c8661 100644
--- a/lib/stdlib/src/c.erl
+++ b/lib/stdlib/src/c.erl
@@ -694,7 +694,7 @@ pwd() ->
Dir :: file:name().
cd(Dir) ->
- file:set_cwd(Dir),
+ _ = file:set_cwd(Dir),
pwd().
%% ls()
@@ -713,8 +713,10 @@ ls(Dir) ->
case file:list_dir(Dir) of
{ok, Entries} ->
ls_print(sort(Entries));
- {error,_E} ->
- format("Invalid directory\n")
+ {error, enotdir} ->
+ ls_print([Dir]);
+ {error, Error} ->
+ format("~s\n", [file:format_error(Error)])
end.
ls_print([]) -> ok;
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index 45aef0ea80..d743467e97 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -469,7 +469,7 @@ is_compatible_bchunk_format(Tab, Term) ->
is_dets_file(FileName) ->
case catch read_file_header(FileName, read, false) of
{ok, Fd, FH} ->
- file:close(Fd),
+ _ = file:close(Fd),
FH#fileheader.cookie =:= ?MAGIC;
{error, {tooshort, _}} ->
false;
@@ -1246,13 +1246,8 @@ req(Proc, R) ->
{'DOWN', Ref, process, Proc, _Info} ->
badarg;
{Proc, Reply} ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, process, Proc, _Reason} ->
- Reply
- after 0 ->
- Reply
- end
+ erlang:demonitor(Ref, [flush]),
+ Reply
end.
%% Inlined.
@@ -1389,7 +1384,8 @@ do_apply_op(Op, From, Head, N) ->
end,
if
From =/= self() ->
- From ! {self(), {error, {dets_bug, Name, Op, Bad}}};
+ From ! {self(), {error, {dets_bug, Name, Op, Bad}}},
+ ok;
true -> % auto_save | may_grow | {delayed_write, _}
ok
end,
@@ -1639,7 +1635,8 @@ start_auto_save_timer(Head) when Head#head.auto_save =:= infinity ->
ok;
start_auto_save_timer(Head) ->
Millis = Head#head.auto_save,
- erlang:send_after(Millis, self(), ?DETS_CALL(self(), auto_save)).
+ _Ref = erlang:send_after(Millis, self(), ?DETS_CALL(self(), auto_save)),
+ ok.
%% Version 9: Peek the message queue and try to evaluate several
%% lookup requests in parallel. Evalute delete_object, delete and
@@ -1688,7 +1685,7 @@ stream_end(Head, Pids0, C, N, Next) ->
%% replies to delete and insert requests even if the
%% latter requests were made before the lookup requests,
%% which can be confusing.)
- lookup_replies(Found),
+ _ = lookup_replies(Found),
stream_end1(Pids0, Next, N, C, Head1, PwriteList);
Head1 when is_record(Head1, head) ->
stream_end2(Pids0, Pids0, Next, N, C, Head1, ok);
@@ -1738,7 +1735,7 @@ lookup_replies(Q) ->
lookup_replies(P, O, []) ->
lookup_reply(P, O);
lookup_replies(P, O, [{P2,O2} | L]) ->
- lookup_reply(P, O),
+ _ = lookup_reply(P, O),
lookup_replies(P2, lists:append(O2), L).
%% If a list of Pid then op was {member, Key}. Inlined.
@@ -1795,12 +1792,15 @@ fclose(Head) ->
{Head1, Res} = perform_save(Head, false),
case Head1#head.ram_file of
true ->
- ignore;
+ Res;
false ->
dets_utils:stop_disk_map(),
- file:close(Head1#head.fptr)
- end,
- Res.
+ Res2 = file:close(Head1#head.fptr),
+ if
+ Res2 =:= ok -> Res;
+ true -> Res2
+ end
+ end.
%% -> {NewHead, Res}
perform_save(Head, DoSync) when Head#head.update_mode =:= dirty;
@@ -2007,7 +2007,7 @@ remove_fix(Head, Pid, How) ->
end.
do_stop(Head) ->
- unlink_fixing_procs(Head),
+ _NewHead = unlink_fixing_procs(Head),
fclose(Head).
unlink_fixing_procs(Head) ->
@@ -2015,7 +2015,7 @@ unlink_fixing_procs(Head) ->
false ->
Head;
{_, Counters} ->
- lists:map(fun({Pid, _Counter}) -> unlink(Pid) end, Counters),
+ lists:foreach(fun({Pid, _Counter}) -> unlink(Pid) end, Counters),
Head#head{fixed = false,
freelists = dets_utils:get_freelists(Head)}
end.
@@ -2026,8 +2026,9 @@ check_growth(Head) ->
NoThings = no_things(Head),
if
NoThings > Head#head.next ->
- erlang:send_after(200, self(),
- ?DETS_CALL(self(), may_grow)); % Catch up.
+ _Ref = erlang:send_after
+ (200, self(), ?DETS_CALL(self(), may_grow)), % Catch up.
+ ok;
true ->
ok
end.
@@ -2128,7 +2129,7 @@ do_open_file([Fname, Verbose], Parent, Server, Ref) ->
do_open_file([Tab, OpenArgs, Verb], Parent, Server, Ref) ->
case catch fopen3(Tab, OpenArgs) of
{error, {tooshort, _}} ->
- file:delete(OpenArgs#open_args.file),
+ _ = file:delete(OpenArgs#open_args.file),
do_open_file([Tab, OpenArgs, Verb], Parent, Server, Ref);
{error, _Reason} = Error ->
err(Error);
@@ -2676,11 +2677,11 @@ fopen_init_file(Tab, OpenArgs) ->
case catch Mod:initiate_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots,
Ram, CacheSz, Auto, true) of
{error, Reason} when Ram ->
- file:close(Fd),
+ _ = file:close(Fd),
throw({error, Reason});
{error, Reason} ->
- file:close(Fd),
- file:delete(Fname),
+ _ = file:close(Fd),
+ _ = file:delete(Fname),
throw({error, Reason});
{ok, Head} ->
start_auto_save_timer(Head),
@@ -2735,8 +2736,8 @@ compact(SourceHead) ->
{ok, H} ->
H;
Error ->
- file:close(Fd),
- file:delete(Tmp),
+ _ = file:close(Fd),
+ _ = file:delete(Tmp),
throw(Error)
end,
@@ -2753,12 +2754,12 @@ compact(SourceHead) ->
if
R =:= ok -> ok;
true ->
- file:delete(Tmp),
+ _ = file:delete(Tmp),
throw(R)
end;
Err ->
- file:close(Fd),
- file:delete(Tmp),
+ _ = file:close(Fd),
+ _ = file:delete(Tmp),
throw(Err)
end.
@@ -2782,7 +2783,7 @@ fsck(Fd, Tab, Fname, FH, MinSlotsArg, MaxSlotsArg, Version) ->
BetterSlotNumbers = {MinSlots, BetterNoSlots, MaxSlots},
case fsck_try(Fd, Tab, FH, Fname, BetterSlotNumbers, Version) of
{try_again, _} ->
- file:close(Fd),
+ _ = file:close(Fd),
{error, {cannot_repair, Fname}};
Else ->
Else
@@ -2823,15 +2824,15 @@ fsck_try(Fd, Tab, FH, Fname, SlotNumbers, Version) ->
if
R =:= ok -> ok;
true ->
- file:delete(Tmp),
+ _ = file:delete(Tmp),
R
end;
TryAgainOrError ->
- file:delete(Tmp),
+ _ = file:delete(Tmp),
TryAgainOrError
end;
Error ->
- file:close(Fd),
+ _ = file:close(Fd),
Error
end.
@@ -2860,13 +2861,13 @@ fsck_try_est(Head, Fd, Fname, SlotNumbers, FH) ->
Bulk = false,
case Reply of
{ok, NoDups, H1} ->
- file:close(Fd),
+ _ = file:close(Fd),
fsck_copy(SizeData, H1, Bulk, NoDups);
{try_again, _} = Return ->
close_files(Bulk, SizeData, Head),
Return;
Else ->
- file:close(Fd),
+ _ = file:close(Fd),
close_files(Bulk, SizeData, Head),
Else
end.
@@ -2901,14 +2902,20 @@ fsck_copy1([SzData | L], Head, Bulk, NoDups) ->
{LogSz, Pos, {FileName, Fd}, NoObjects} = SzData,
Size = if NoObjects =:= 0 -> 0; true -> ?POW(LogSz-1) end,
ExpectedSize = Size * NoObjects,
- close_tmp(Fd),
- case file:position(Out, Pos) of
- {ok, Pos} -> ok;
- PError -> dets_utils:file_error(FileName, PError)
+ case close_tmp(Fd) of
+ ok -> ok;
+ Err ->
+ close_files(Bulk, L, Head),
+ dets_utils:file_error(FileName, Err)
end,
- {ok, Pos} = file:position(Out, Pos),
+ case file:position(Out, Pos) of
+ {ok, Pos} -> ok;
+ Err2 ->
+ close_files(Bulk, L, Head),
+ dets_utils:file_error(Head#head.filename, Err2)
+ end,
CR = file:copy({FileName, [raw,binary]}, Out),
- file:delete(FileName),
+ _ = file:delete(FileName),
case CR of
{ok, Copied} when Copied =:= ExpectedSize;
NoObjects =:= 0 -> % the segments
@@ -2942,11 +2949,11 @@ free_n_objects(Head, Addr, Size, N) ->
free_n_objects(NewHead, NewAddr, Size, N-1).
close_files(false, SizeData, Head) ->
- file:close(Head#head.fptr),
+ _ = file:close(Head#head.fptr),
close_files(true, SizeData, Head);
close_files(true, SizeData, _Head) ->
Fun = fun({_Size, _Pos, {FileName, Fd}, _No}) ->
- close_tmp(Fd),
+ _ = close_tmp(Fd),
file:delete(FileName);
(_) ->
ok
@@ -3266,7 +3273,7 @@ err(Error) ->
file_info(FileName) ->
case catch read_file_header(FileName, read, false) of
{ok, Fd, FH} ->
- file:close(Fd),
+ _ = file:close(Fd),
(FH#fileheader.mod):file_info(FH);
Other ->
Other
@@ -3295,7 +3302,7 @@ view(FileName) ->
X ->
X
end
- after file:close(Fd)
+ after _ = file:close(Fd)
end;
X ->
X
diff --git a/lib/stdlib/src/dets_server.erl b/lib/stdlib/src/dets_server.erl
index 931112088e..268c201047 100644
--- a/lib/stdlib/src/dets_server.erl
+++ b/lib/stdlib/src/dets_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2013. 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
@@ -241,8 +241,8 @@ ensure_started() ->
init() ->
set_verbose(verbose_flag()),
process_flag(trap_exit, true),
- ets:new(?REGISTRY, [set, named_table]),
- ets:new(?OWNERS, [set, named_table]),
+ ?REGISTRY = ets:new(?REGISTRY, [set, named_table]),
+ ?OWNERS = ets:new(?OWNERS, [set, named_table]),
ets:new(?STORE, [duplicate_bag]).
verbose_flag() ->
@@ -338,7 +338,7 @@ handle_close(State, Req, {FromPid,_Tag}=From, Tab) ->
[{Tab, _Counter, Pid}] ->
do_unlink(Store, FromPid),
true = ets:match_delete(Store, {FromPid, Tab}),
- [true = ets:insert(Store, K) || K <- Keep],
+ true = ets:insert(Store, Keep),
ets:update_counter(?REGISTRY, Tab, -1),
pending_call(Tab, Pid, make_ref(), From, [],
remove_user, State)
diff --git a/lib/stdlib/src/dets_utils.erl b/lib/stdlib/src/dets_utils.erl
index 7bbb34dd15..6c176ad513 100644
--- a/lib/stdlib/src/dets_utils.erl
+++ b/lib/stdlib/src/dets_utils.erl
@@ -230,8 +230,12 @@ write_file(Head, Bin) ->
{ok, Fd} ->
R1 = file:write(Fd, Bin),
R2 = file:sync(Fd),
- file:close(Fd),
- if R1 =:= ok -> R2; true -> R1 end;
+ R3 = file:close(Fd),
+ case {R1, R2, R3} of
+ {ok, ok, R3} -> R3;
+ {ok, R2, _} -> R2;
+ {R1, _, _} -> R1
+ end;
Else ->
Else
end,
@@ -277,12 +281,7 @@ open(FileSpec, Args) ->
end.
truncate(Fd, FileName, Pos) ->
- if
- Pos =:= cur ->
- ok;
- true ->
- position(Fd, FileName, Pos)
- end,
+ _ = [position(Fd, FileName, Pos) || Pos =/= cur],
case file:truncate(Fd) of
ok ->
ok;
@@ -327,10 +326,10 @@ pread_close(Fd, FileName, Pos, Size) ->
{error, Error} ->
file_error_close(Fd, FileName, {error, Error});
{ok, Bin} when byte_size(Bin) < Size ->
- file:close(Fd),
+ _ = file:close(Fd),
throw({error, {tooshort, FileName}});
eof ->
- file:close(Fd),
+ _ = file:close(Fd),
throw({error, {tooshort, FileName}});
OK -> OK
end.
@@ -339,7 +338,7 @@ file_error(FileName, {error, Reason}) ->
throw({error, {file_error, FileName, Reason}}).
file_error_close(Fd, FileName, {error, Reason}) ->
- file:close(Fd),
+ _ = file:close(Fd),
throw({error, {file_error, FileName, Reason}}).
debug_mode() ->
@@ -977,7 +976,8 @@ dm([{P,<<Sz:32,X:32>>} | Bs], T) ->
true = ets:insert(T, {P,{pointer,X,Sz}}),
if
Sz =:= 0 ->
- X = 0;
+ X = 0,
+ true;
true ->
true = ets:insert(T, {{pointer,X}, P})
end,
diff --git a/lib/stdlib/src/dets_v8.erl b/lib/stdlib/src/dets_v8.erl
index 24d6e06ec8..f188502017 100644
--- a/lib/stdlib/src/dets_v8.erl
+++ b/lib/stdlib/src/dets_v8.erl
@@ -199,10 +199,10 @@
%% -> ok | throw({NewHead,Error})
mark_dirty(Head) ->
Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}],
- dets_utils:pwrite(Head, Dirty),
- dets_utils:sync(Head),
- dets_utils:position(Head, Head#head.freelists_p),
- dets_utils:truncate(Head, cur).
+ {_NewHead, ok} = dets_utils:pwrite(Head, Dirty),
+ ok = dets_utils:sync(Head),
+ {ok, _Pos} = dets_utils:position(Head, Head#head.freelists_p),
+ ok = dets_utils:truncate(Head, cur).
%% -> {ok, head()} | throw(Error)
initiate_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots,
diff --git a/lib/stdlib/src/dets_v9.erl b/lib/stdlib/src/dets_v9.erl
index 308f81c23b..2af93ec800 100644
--- a/lib/stdlib/src/dets_v9.erl
+++ b/lib/stdlib/src/dets_v9.erl
@@ -284,9 +284,9 @@
%% -> ok | throw({NewHead,Error})
mark_dirty(Head) ->
Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}],
- dets_utils:pwrite(Head, Dirty),
- dets_utils:sync(Head),
- dets_utils:position(Head, Head#head.freelists_p),
+ {_H, ok} = dets_utils:pwrite(Head, Dirty),
+ ok = dets_utils:sync(Head),
+ {ok, _Pos} = dets_utils:position(Head, Head#head.freelists_p),
dets_utils:truncate(Head, cur).
%% -> {ok, head()} | throw(Error) | throw(badarg)
@@ -1385,13 +1385,13 @@ segment_file(SizeT, Head, FileData, SegEnd) ->
case Data of
{InFile,In0} ->
{OutFile, Out} = temp_file(Head, SizeT, I),
- file:close(In0),
+ _ = file:close(In0),
{ok, In} = dets_utils:open(InFile, [raw,binary,read]),
{ok, 0} = dets_utils:position(In, InFile, bof),
seg_file(SegAddr, SegAddr, In, InFile, Out, OutFile, SizeT,
SegEnd),
- file:close(In),
- file:delete(InFile),
+ _ = file:close(In),
+ _ = file:delete(InFile),
{OutFile,Out};
Objects ->
{LastAddr, B} = seg_file(Objects, SegAddr, SegAddr, SizeT, []),
@@ -1702,7 +1702,7 @@ free_list_to_file(Ftab, H, Pos, Sz, Ws, WsSz) ->
free_list_to_file(Ftab, H, Pos+1, Sz, NWs, NWsSz).
free_lists_from_file(H, Pos) ->
- dets_utils:position(H#head.fptr, H#head.filename, Pos),
+ {ok, Pos} = dets_utils:position(H#head.fptr, H#head.filename, Pos),
FL = dets_utils:empty_free_lists(),
case catch bin_to_tree([], H, start, FL, -1, []) of
{'EXIT', _} ->
diff --git a/lib/stdlib/src/dict.erl b/lib/stdlib/src/dict.erl
index 4f8d45dc8d..e3bfb6c2e2 100644
--- a/lib/stdlib/src/dict.erl
+++ b/lib/stdlib/src/dict.erl
@@ -1,8 +1,7 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2013. 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
diff --git a/lib/stdlib/src/digraph_utils.erl b/lib/stdlib/src/digraph_utils.erl
index 807b5c12a1..0e248df453 100644
--- a/lib/stdlib/src/digraph_utils.erl
+++ b/lib/stdlib/src/digraph_utils.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2013. 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
@@ -370,5 +370,5 @@ condense('$end_of_table', _T, _SC, _G, _SCG, _I2C) ->
condense(I, T, SC, G, SCG, I2C) ->
[{_,C}] = ets:lookup(I2C, I),
digraph:add_vertex(SCG, C),
- [digraph:add_edge(SCG, SC, C) || C =/= SC],
+ _ = [digraph:add_edge(SCG, SC, C) || C =/= SC],
condense(ets:next(T, I), T, SC, G, SCG, I2C).
diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl
index 3192879f09..6318c229be 100644
--- a/lib/stdlib/src/edlin.erl
+++ b/lib/stdlib/src/edlin.erl
@@ -1,8 +1,7 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 0a1caa7178..dd0512be4d 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -219,7 +219,7 @@ parse_file(Epp) ->
[{eof,Location}]
end.
--define(DEFAULT_ENCODING, latin1).
+-define(DEFAULT_ENCODING, utf8).
-spec default_encoding() -> source_encoding().
@@ -601,7 +601,7 @@ enter_file2(NewF, Pname, From, St0, AtLocation) ->
%% file will depend on the order of file inclusions in the parent files
Path = [filename:dirname(Pname) | tl(St0#epp.path)],
_ = set_encoding(NewF),
- #epp{file=NewF,location=Loc,name=Pname,delta=0,
+ #epp{file=NewF,location=Loc,name=Pname,name2=Pname,delta=0,
sstk=[St0|St0#epp.sstk],path=Path,macs=Ms}.
enter_file_reply(From, Name, Location, AtLocation) ->
@@ -644,7 +644,7 @@ leave_file(From, St) ->
enter_file_reply(From, OldName, CurrLoc, CurrLoc),
case OldName2 =:= OldName of
true ->
- From;
+ ok;
false ->
NFrom = wait_request(NextSt),
enter_file_reply(NFrom, OldName2, OldLoc,
@@ -1339,8 +1339,7 @@ epp_reply(From, Rep) ->
wait_epp_reply(Epp, Mref) ->
receive
{epp_reply,Epp,Rep} ->
- erlang:demonitor(Mref),
- receive {'DOWN',Mref,_,_,_} -> ok after 0 -> ok end,
+ erlang:demonitor(Mref, [flush]),
Rep;
{'DOWN',Mref,_,_,E} ->
receive {epp_reply,Epp,Rep} -> Rep
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 0b57af1b6d..73b8da335a 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -245,10 +245,10 @@ expr({'case',_,E,Cs}, Bs0, Lf, Ef, RBs) ->
expr({'try',_,B,Cases,Catches,AB}, Bs, Lf, Ef, RBs) ->
try_clauses(B, Cases, Catches, AB, Bs, Lf, Ef, RBs);
expr({'receive',_,Cs}, Bs, Lf, Ef, RBs) ->
- receive_clauses(Cs, Bs, Lf, Ef, [], RBs);
+ receive_clauses(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);
+ receive_clauses(T, Cs, {TB,Bs}, Bs0, 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),
@@ -807,66 +807,24 @@ case_clauses(Val, Cs, Bs, Lf, Ef, RBs) ->
end.
%%
-%% receive_clauses(Clauses, Bindings, LocalFuncHnd,ExtFuncHnd, Messages, RBs)
+%% receive_clauses(Clauses, Bindings, LocalFuncHnd,ExtFuncHnd, RBs)
%%
-receive_clauses(Cs, Bs, Lf, Ef, Ms, RBs) ->
- receive
- Val ->
- case match_clause(Cs, [Val], Bs, Lf, Ef) of
- {B, Bs1} ->
- merge_queue(Ms),
- exprs(B, Bs1, Lf, Ef, RBs);
- nomatch ->
- receive_clauses(Cs, Bs, Lf, Ef, [Val|Ms], RBs)
- end
- end.
+receive_clauses(Cs, Bs, Lf, Ef, RBs) ->
+ receive_clauses(infinity, Cs, unused, Bs, Lf, Ef, RBs).
%%
%% receive_clauses(TimeOut, Clauses, TimeoutBody, Bindings,
%% ExternalFuncHandler, LocalFuncHandler, RBs)
%%
-receive_clauses(T, Cs, TB, Bs, Lf, Ef, Ms, RBs) ->
- {_,_} = statistics(runtime),
- receive
- Val ->
- case match_clause(Cs, [Val], Bs, Lf, Ef) of
- {B, Bs1} ->
- merge_queue(Ms),
- exprs(B, Bs1, Lf, Ef, RBs);
- nomatch ->
- {_,T1} = statistics(runtime),
- if
- T =:= infinity ->
- receive_clauses(T, Cs, TB,Bs,Lf,Ef,[Val|Ms],RBs);
- T-T1 =< 0 ->
- receive_clauses(0, Cs, TB,Bs,Lf,Ef,[Val|Ms],RBs);
- true ->
- receive_clauses(T-T1, Cs,TB,Bs,Lf,Ef,[Val|Ms],RBs)
- end
- end
- after T ->
- merge_queue(Ms),
+receive_clauses(T, Cs, TB, Bs, Lf, Ef, RBs) ->
+ F = fun (M) -> match_clause(Cs, [M], Bs, Lf, Ef) end,
+ case prim_eval:'receive'(F, T) of
+ {B, Bs1} ->
+ exprs(B, Bs1, Lf, Ef, RBs);
+ timeout ->
{B, Bs1} = TB,
exprs(B, Bs1, Lf, Ef, RBs)
end.
-merge_queue([]) ->
- true;
-merge_queue(Ms) ->
- send_all(recv_all(Ms), self()).
-
-recv_all(Xs) ->
- receive
- X -> recv_all([X|Xs])
- after 0 ->
- reverse(Xs)
- end.
-
-send_all([X|Xs], Self) ->
- Self ! X,
- send_all(Xs, Self);
-send_all([], _) -> true.
-
-
%% match_clause -> {Body, Bindings} or nomatch
-spec(match_clause(Clauses, ValueList, Bindings, LocalFunctionHandler) ->
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 68a8534f15..08b8541014 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -522,8 +522,7 @@ start(File, Opts) ->
warn_format = value_option(warn_format, 1, warn_format, 1,
nowarn_format, 0, Opts),
enabled_warnings = Enabled,
- file = File,
- types = default_types()
+ file = File
}.
%% is_warn_enabled(Category, St) -> boolean().
@@ -1007,7 +1006,10 @@ check_undefined_functions(#lint{called=Called0,defined=Def0}=St0) ->
check_undefined_types(#lint{usage=Usage,types=Def}=St0) ->
Used = Usage#usage.used_types,
UTAs = dict:fetch_keys(Used),
- Undef = [{TA,dict:fetch(TA, Used)} || TA <- UTAs, not dict:is_key(TA, Def)],
+ Undef = [{TA,dict:fetch(TA, Used)} ||
+ TA <- UTAs,
+ not dict:is_key(TA, Def),
+ not is_default_type(TA)],
foldl(fun ({TA,L}, St) ->
add_error(L, {undefined_type,TA}, St)
end, St0, Undef).
@@ -2440,7 +2442,7 @@ type_def(Attr, Line, TypeName, ProtoType, Args, St0) ->
end,
case (dict:is_key(TypePair, TypeDefs) orelse is_var_arity_type(TypeName)) of
true ->
- case dict:is_key(TypePair, default_types()) of
+ case is_default_type(TypePair) of
true ->
case is_newly_introduced_builtin_type(TypePair) of
%% allow some types just for bootstrapping
@@ -2488,8 +2490,8 @@ check_type({paren_type, _L, [Type]}, SeenVars, St) ->
check_type({remote_type, L, [{atom, _, Mod}, {atom, _, Name}, Args]},
SeenVars, #lint{module=CurrentMod} = St) ->
St1 =
- case (dict:is_key({Name, length(Args)}, default_types())
- orelse is_var_arity_type(Name)) of
+ case is_default_type({Name, length(Args)})
+ orelse is_var_arity_type(Name) of
true -> add_error(L, {imported_predefined_type, Name}, St);
false -> St
end,
@@ -2606,63 +2608,62 @@ is_var_arity_type(union) -> true;
is_var_arity_type(record) -> true;
is_var_arity_type(_) -> false.
-default_types() ->
- DefTypes = [{any, 0},
- {arity, 0},
- {array, 0},
- {atom, 0},
- {atom, 1},
- {binary, 0},
- {binary, 2},
- {bitstring, 0},
- {bool, 0},
- {boolean, 0},
- {byte, 0},
- {char, 0},
- {dict, 0},
- {digraph, 0},
- {float, 0},
- {'fun', 0},
- {'fun', 2},
- {function, 0},
- {gb_set, 0},
- {gb_tree, 0},
- {identifier, 0},
- {integer, 0},
- {integer, 1},
- {iodata, 0},
- {iolist, 0},
- {list, 0},
- {list, 1},
- {maybe_improper_list, 0},
- {maybe_improper_list, 2},
- {mfa, 0},
- {module, 0},
- {neg_integer, 0},
- {nil, 0},
- {no_return, 0},
- {node, 0},
- {non_neg_integer, 0},
- {none, 0},
- {nonempty_list, 0},
- {nonempty_list, 1},
- {nonempty_improper_list, 2},
- {nonempty_maybe_improper_list, 0},
- {nonempty_maybe_improper_list, 2},
- {nonempty_string, 0},
- {number, 0},
- {pid, 0},
- {port, 0},
- {pos_integer, 0},
- {queue, 0},
- {range, 2},
- {reference, 0},
- {set, 0},
- {string, 0},
- {term, 0},
- {timeout, 0},
- {var, 1}],
- dict:from_list([{T, -1} || T <- DefTypes]).
+is_default_type({any, 0}) -> true;
+is_default_type({arity, 0}) -> true;
+is_default_type({array, 0}) -> true;
+is_default_type({atom, 0}) -> true;
+is_default_type({atom, 1}) -> true;
+is_default_type({binary, 0}) -> true;
+is_default_type({binary, 2}) -> true;
+is_default_type({bitstring, 0}) -> true;
+is_default_type({bool, 0}) -> true;
+is_default_type({boolean, 0}) -> true;
+is_default_type({byte, 0}) -> true;
+is_default_type({char, 0}) -> true;
+is_default_type({dict, 0}) -> true;
+is_default_type({digraph, 0}) -> true;
+is_default_type({float, 0}) -> true;
+is_default_type({'fun', 0}) -> true;
+is_default_type({'fun', 2}) -> true;
+is_default_type({function, 0}) -> true;
+is_default_type({gb_set, 0}) -> true;
+is_default_type({gb_tree, 0}) -> true;
+is_default_type({identifier, 0}) -> true;
+is_default_type({integer, 0}) -> true;
+is_default_type({integer, 1}) -> true;
+is_default_type({iodata, 0}) -> true;
+is_default_type({iolist, 0}) -> true;
+is_default_type({list, 0}) -> true;
+is_default_type({list, 1}) -> true;
+is_default_type({maybe_improper_list, 0}) -> true;
+is_default_type({maybe_improper_list, 2}) -> true;
+is_default_type({mfa, 0}) -> true;
+is_default_type({module, 0}) -> true;
+is_default_type({neg_integer, 0}) -> true;
+is_default_type({nil, 0}) -> true;
+is_default_type({no_return, 0}) -> true;
+is_default_type({node, 0}) -> true;
+is_default_type({non_neg_integer, 0}) -> true;
+is_default_type({none, 0}) -> true;
+is_default_type({nonempty_list, 0}) -> true;
+is_default_type({nonempty_list, 1}) -> true;
+is_default_type({nonempty_improper_list, 2}) -> true;
+is_default_type({nonempty_maybe_improper_list, 0}) -> true;
+is_default_type({nonempty_maybe_improper_list, 2}) -> true;
+is_default_type({nonempty_string, 0}) -> true;
+is_default_type({number, 0}) -> true;
+is_default_type({pid, 0}) -> true;
+is_default_type({port, 0}) -> true;
+is_default_type({pos_integer, 0}) -> true;
+is_default_type({queue, 0}) -> true;
+is_default_type({range, 2}) -> true;
+is_default_type({reference, 0}) -> true;
+is_default_type({set, 0}) -> true;
+is_default_type({string, 0}) -> true;
+is_default_type({term, 0}) -> true;
+is_default_type({timeout, 0}) -> true;
+is_default_type({var, 1}) -> true;
+is_default_type(_) -> false.
%% R13
is_newly_introduced_builtin_type({arity, 0}) -> true;
@@ -2776,10 +2777,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) ->
L = gb_sets:to_list(ExpTs) ++ dict:fetch_keys(D),
UsedTypes = gb_sets:from_list(L),
FoldFun =
- fun(_Type, -1, AccSt) ->
- %% Default type
- AccSt;
- (Type, #typeinfo{line = FileLine}, AccSt) ->
+ fun(Type, #typeinfo{line = FileLine}, AccSt) ->
case loc(FileLine) of
{FirstFile, _} ->
case gb_sets:is_member(Type, UsedTypes) of
@@ -2801,10 +2799,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) ->
check_local_opaque_types(St) ->
#lint{types=Ts, exp_types=ExpTs} = St,
FoldFun =
- fun(_Type, -1, AccSt) ->
- %% Default type
- AccSt;
- (_Type, #typeinfo{attr = type}, AccSt) ->
+ fun(_Type, #typeinfo{attr = type}, AccSt) ->
AccSt;
(Type, #typeinfo{attr = opaque, line = FileLine}, AccSt) ->
case gb_sets:is_element(Type, ExpTs) of
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 9ff25fcbc5..7145b0858f 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -887,6 +887,7 @@ abstract(T, Options) when is_list(Options) ->
abstract(T, Line, Encoding).
-define(UNICODE(C),
+ is_integer(C) andalso
(C >= 0 andalso C < 16#D800 orelse
C > 16#DFFF andalso C < 16#FFFE orelse
C > 16#FFFF andalso C =< 16#10FFFF)).
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 7c7566e4ec..657cb5d34c 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -35,7 +35,7 @@
| fun((Expr :: erl_parse:abstract_expr(),
CurrentIndentation :: integer(),
CurrentPrecedence :: non_neg_integer(),
- HookFunction :: hook_function()) ->
+ Options :: options()) ->
io_lib:chars())).
-type(option() :: {hook, hook_function()}
@@ -214,7 +214,9 @@ lattribute({attribute,_Line,type,Type}, Opts, _State) ->
lattribute({attribute,_Line,opaque,Type}, Opts, _State) ->
[typeattr(opaque, Type, Opts),leaf(".\n")];
lattribute({attribute,_Line,spec,Arg}, _Opts, _State) ->
- [specattr(Arg),leaf(".\n")];
+ [specattr(spec, Arg),leaf(".\n")];
+lattribute({attribute,_Line,callback,Arg}, _Opts, _State) ->
+ [specattr(callback, Arg),leaf(".\n")];
lattribute({attribute,_Line,Name,Arg}, Opts, State) ->
[lattribute(Name, Arg, Opts, State),leaf(".\n")].
@@ -225,7 +227,7 @@ lattribute(module, {M,Vs}, _Opts, _State) ->
lattribute(module, M, _Opts, _State) ->
attr("module", [{var,0,pname(M)}]);
lattribute(export, Falist, _Opts, _State) ->
- call({var,0,"-export"}, [falist(Falist)], 0, none);
+ call({var,0,"-export"}, [falist(Falist)], 0, options(none));
lattribute(import, Name, _Opts, _State) when is_list(Name) ->
attr("import", [{var,0,pname(Name)}]);
lattribute(import, {From,Falist}, _Opts, _State) ->
@@ -240,10 +242,10 @@ lattribute(Name, Arg, #options{encoding = Encoding}, _State) ->
typeattr(Tag, {TypeName,Type,Args}, _Opts) ->
{first,leaf("-"++atom_to_list(Tag)++" "),
- typed(call({atom,0,TypeName}, Args, 0, none), Type)}.
+ typed(call({atom,0,TypeName}, Args, 0, options(none)), Type)}.
ltype({ann_type,_Line,[V,T]}) ->
- typed(lexpr(V, none), T);
+ typed(lexpr(V, options(none)), T);
ltype({paren_type,_Line,[T]}) ->
[$(,ltype(T),$)];
ltype({type,_Line,union,Ts}) ->
@@ -253,7 +255,7 @@ ltype({type,_Line,list,[T]}) ->
ltype({type,_Line,nonempty_list,[T]}) ->
{seq,$[,$],[$,],[ltype(T),leaf("...")]};
ltype({type,Line,nil,[]}) ->
- lexpr({nil,Line}, 0, none);
+ lexpr({nil,Line}, 0, options(none));
ltype({type,Line,tuple,any}) ->
simple_type({atom,Line,tuple}, []);
ltype({type,_Line,tuple,Ts}) ->
@@ -261,7 +263,7 @@ ltype({type,_Line,tuple,Ts}) ->
ltype({type,_Line,record,[{atom,_,N}|Fs]}) ->
record_type(N, Fs);
ltype({type,_Line,range,[_I1,_I2]=Es}) ->
- expr_list(Es, '..', fun lexpr/2, none);
+ expr_list(Es, '..', fun lexpr/2, options(none));
ltype({type,_Line,binary,[I1,I2]}) ->
binary_type(I1, I2); % except binary()
ltype({type,_Line,'fun',[]}) ->
@@ -277,14 +279,14 @@ ltype({remote_type,Line,[M,F,Ts]}) ->
ltype({atom,_,T}) ->
leaf(write(T));
ltype(E) ->
- lexpr(E, 0, none).
+ lexpr(E, 0, options(none)).
binary_type(I1, I2) ->
B = [[] || {integer,_,0} <- [I1]] =:= [],
U = [[] || {integer,_,0} <- [I2]] =:= [],
P = max_prec(),
- E1 = [[leaf("_:"),lexpr(I1, P, none)] || B],
- E2 = [[leaf("_:_*"),lexpr(I2, P, none)] || U],
+ E1 = [[leaf("_:"),lexpr(I1, P, options(none))] || B],
+ E2 = [[leaf("_:_*"),lexpr(I2, P, options(none))] || U],
{seq,'<<','>>',[$,],E1++E2}.
record_type(Name, Fields) ->
@@ -294,7 +296,7 @@ field_types(Fs) ->
tuple_type(Fs, fun field_type/1).
field_type({type,_Line,field_type,[Name,Type]}) ->
- typed(lexpr(Name, none), Type).
+ typed(lexpr(Name, options(none)), Type).
typed(B, {type,_,union,Ts}) ->
%% Special layout for :: followed by union.
@@ -311,14 +313,14 @@ union_elem(T) ->
tuple_type(Ts, F) ->
{seq,${,$},[$,],ltypes(Ts, F)}.
-specattr({FuncSpec,TypeSpecs}) ->
+specattr(SpecKind, {FuncSpec,TypeSpecs}) ->
Func = case FuncSpec of
{F,_A} ->
format("~w", [F]);
{M,F,_A} ->
format("~w:~w", [M, F])
end,
- {first,leaf("-spec "),
+ {first,leaf(lists:concat(["-", SpecKind, " "])),
{list,[{first,leaf(Func),spec_clauses(TypeSpecs)}]}}.
spec_clauses(TypeSpecs) ->
@@ -330,7 +332,8 @@ sig_type(FunType) ->
fun_type([], FunType).
guard_type(Before, Gs) ->
- Gl = {list,[{step,'when',expr_list(Gs, [$,], fun constraint/2, none)}]},
+ Opts = options(none),
+ Gl = {list,[{step,'when',expr_list(Gs, [$,], fun constraint/2, Opts)}]},
{list,[{step,Before,Gl}]}.
constraint({type,_Line,constraint,[Tag,As]}, _Opts) ->
@@ -345,7 +348,7 @@ type_args({type,_line,product,Ts}) ->
targs(Ts).
simple_type(Tag, Types) ->
- {first,lexpr(Tag, 0, none),targs(Types)}.
+ {first,lexpr(Tag, 0, options(none)),targs(Types)}.
targs(Ts) ->
{seq,$(,$),[$,],ltypes(Ts)}.
@@ -357,7 +360,7 @@ ltypes(Ts, F) ->
[F(T) || T <- Ts].
attr(Name, Args) ->
- call({var,0,format("-~s", [Name])}, Args, 0, none).
+ call({var,0,format("-~s", [Name])}, Args, 0, options(none)).
pname(['' | As]) ->
[$. | pname(As)];
@@ -632,11 +635,11 @@ bit_elem_types([T | Rest]) ->
[bit_elem_type(T), $-|bit_elem_types(Rest)].
bit_elem_type({A,B}) ->
- [lexpr(erl_parse:abstract(A), none),
+ [lexpr(erl_parse:abstract(A), options(none)),
$:,
- lexpr(erl_parse:abstract(B), none)];
+ lexpr(erl_parse:abstract(B), options(none))];
bit_elem_type(T) ->
- lexpr(erl_parse:abstract(T), none).
+ lexpr(erl_parse:abstract(T), options(none)).
%% end of BITS
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 3651f608bc..4ba6dd01fa 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -1,4 +1,3 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
@@ -338,6 +337,7 @@ string_thing(_) -> "string".
-define(DIGIT(C), C >= $0, C =< $9).
-define(CHAR(C), is_integer(C), C >= 0).
-define(UNICODE(C),
+ is_integer(C) andalso
(C >= 0 andalso C < 16#D800 orelse
C > 16#DFFF andalso C < 16#FFFE orelse
C > 16#FFFF andalso C =< 16#10FFFF)).
diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index 4b654833ed..f49c2a64f4 100644
--- a/lib/stdlib/src/erl_tar.erl
+++ b/lib/stdlib/src/erl_tar.erl
@@ -45,10 +45,7 @@ open(Name, Mode) ->
open1({binary,Bin}, read, _Raw, Opts) ->
case file:open(Bin, [ram,binary,read]) of
{ok,File} ->
- case Opts of
- [compressed] -> ram_file:uncompress(File);
- [] -> ok
- end,
+ _ = [ram_file:uncompress(File) || Opts =:= [compressed]],
{ok,{read,File}};
Error ->
Error
diff --git a/lib/stdlib/src/error_logger_tty_h.erl b/lib/stdlib/src/error_logger_tty_h.erl
index ad5891f191..e92142d154 100644
--- a/lib/stdlib/src/error_logger_tty_h.erl
+++ b/lib/stdlib/src/error_logger_tty_h.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -54,7 +54,7 @@ init([]) ->
handle_event({_Type, GL, _Msg}, State) when node(GL) =/= node() ->
{ok, State};
handle_event(Event, State) ->
- write_event(tag_event(Event),io),
+ ok = write_event(tag_event(Event),io),
{ok, State}.
handle_info({'EXIT', User, _Reason}, {User, PrevHandler}) ->
@@ -66,10 +66,10 @@ handle_info({'EXIT', User, _Reason}, {User, PrevHandler}) ->
PrevHandler, go_back}
end;
handle_info({emulator, GL, Chars}, State) when node(GL) == node() ->
- write_event(tag_event({emulator, GL, Chars}),io),
+ ok = write_event(tag_event({emulator, GL, Chars}),io),
{ok, State};
handle_info({emulator, noproc, Chars}, State) ->
- write_event(tag_event({emulator, noproc, Chars}),io),
+ ok = write_event(tag_event({emulator, noproc, Chars}),io),
{ok, State};
handle_info(_, State) ->
{ok, State}.
@@ -99,10 +99,11 @@ set_group_leader() ->
tag_event(Event) ->
{erlang:universaltime(), Event}.
+%% IOMOd is always 'io'
write_events(Events,IOMod) -> write_events1(lists:reverse(Events),IOMod).
write_events1([Event|Es],IOMod) ->
- write_event(Event,IOMod),
+ ok = write_event(Event,IOMod),
write_events1(Es,IOMod);
write_events1([],_IOMod) ->
ok.
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index fea718541d..35f6dff57e 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -771,9 +771,11 @@ interpret(Forms, HasRecs, File, Args) ->
ArgsA = erl_parse:abstract(Args, 0),
Call = {call,0,{atom,0,main},[ArgsA]},
try
- erl_eval:expr(Call,
- erl_eval:new_bindings(),
- {value,fun(I, J) -> code_handler(I, J, Dict, File) end}),
+ _ = erl_eval:expr(Call,
+ erl_eval:new_bindings(),
+ {value,fun(I, J) ->
+ code_handler(I, J, Dict, File)
+ end}),
my_halt(0)
catch
Class:Reason ->
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index 77c8029f59..f05bfd12a7 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -719,7 +719,7 @@ tab2file(Tab, File) ->
tab2file(Tab, File, Options) ->
try
{ok, FtOptions} = parse_ft_options(Options),
- file:delete(File),
+ _ = file:delete(File),
case file:read_file_info(File) of
{error, enoent} -> ok;
_ -> throw(eaccess)
@@ -750,14 +750,18 @@ tab2file(Tab, File, Options) ->
{fun(Oldstate,Termlist) ->
{NewState,BinList} =
md5terms(Oldstate,Termlist),
- disk_log:blog_terms(Name,BinList),
- NewState
+ case disk_log:blog_terms(Name,BinList) of
+ ok -> NewState;
+ {error, Reason2} -> throw(Reason2)
+ end
end,
erlang:md5_init()};
false ->
{fun(_,Termlist) ->
- disk_log:log_terms(Name,Termlist),
- true
+ case disk_log:log_terms(Name,Termlist) of
+ ok -> true;
+ {error, Reason2} -> throw(Reason2)
+ end
end,
true}
end,
@@ -792,16 +796,16 @@ tab2file(Tab, File, Options) ->
disk_log:close(Name)
catch
throw:TReason ->
- disk_log:close(Name),
- file:delete(File),
+ _ = disk_log:close(Name),
+ _ = file:delete(File),
throw(TReason);
exit:ExReason ->
- disk_log:close(Name),
- file:delete(File),
+ _ = disk_log:close(Name),
+ _ = file:delete(File),
exit(ExReason);
error:ErReason ->
- disk_log:close(Name),
- file:delete(File),
+ _ = disk_log:close(Name),
+ _ = file:delete(File),
erlang:raise(error,ErReason,erlang:get_stacktrace())
end
catch
@@ -892,25 +896,32 @@ file2tab(File, Opts) ->
try
{ok,Verify,TabArg} = parse_f2t_opts(Opts,false,[]),
Name = make_ref(),
- {ok, Major, Minor, FtOptions, MD5State, FullHeader, DLContext} =
+ {ok, Name} =
case disk_log:open([{name, Name},
{file, File},
{mode, read_only}]) of
{ok, Name} ->
- get_header_data(Name,Verify);
+ {ok, Name};
{repaired, Name, _,_} -> %Uh? cannot happen?
case Verify of
true ->
- disk_log:close(Name),
+ _ = disk_log:close(Name),
throw(badfile);
false ->
- get_header_data(Name,Verify)
+ {ok, Name}
end;
{error, Other1} ->
throw({read_error, Other1});
Other2 ->
throw(Other2)
end,
+ {ok, Major, Minor, FtOptions, MD5State, FullHeader, DLContext} =
+ try get_header_data(Name, Verify)
+ catch
+ badfile ->
+ _ = disk_log:close(Name),
+ throw(badfile)
+ end,
try
if
Major > ?MAJOR_F2T_VERSION ->
@@ -974,7 +985,7 @@ file2tab(File, Opts) ->
erlang:raise(error,ErReason,erlang:get_stacktrace())
end
after
- disk_log:close(Name)
+ _ = disk_log:close(Name)
end
catch
throw:TReason2 ->
@@ -1293,20 +1304,30 @@ named_table(false) -> [].
tabfile_info(File) when is_list(File) ; is_atom(File) ->
try
Name = make_ref(),
- {ok, Major, Minor, _FtOptions, _MD5State, FullHeader, _DLContext} =
+ {ok, Name} =
case disk_log:open([{name, Name},
{file, File},
{mode, read_only}]) of
{ok, Name} ->
- get_header_data(Name,false);
+ {ok, Name};
{repaired, Name, _,_} -> %Uh? cannot happen?
- get_header_data(Name,false);
+ {ok, Name};
{error, Other1} ->
throw({read_error, Other1});
Other2 ->
throw(Other2)
end,
- disk_log:close(Name),
+ {ok, Major, Minor, _FtOptions, _MD5State, FullHeader, _DLContext} =
+ try get_header_data(Name, false)
+ catch
+ badfile ->
+ _ = disk_log:close(Name),
+ throw(badfile)
+ end,
+ case disk_log:close(Name) of
+ ok -> ok;
+ {error, Reason} -> throw(Reason)
+ end,
{value, N} = lists:keysearch(name, 1, FullHeader),
{value, Type} = lists:keysearch(type, 1, FullHeader),
{value, P} = lists:keysearch(protection, 1, FullHeader),
diff --git a/lib/stdlib/src/file_sorter.erl b/lib/stdlib/src/file_sorter.erl
index 2bf88959b7..687d72b4bd 100644
--- a/lib/stdlib/src/file_sorter.erl
+++ b/lib/stdlib/src/file_sorter.erl
@@ -547,7 +547,7 @@ files(_I, L, _LSz, #w{seq = 1, out = Out}=W, []) ->
NW = close_input(W1),
outfun(close, NW);
Out ->
- write_run(L, W, Out),
+ _ = write_run(L, W, Out),
ok
end;
files(_I, L, _LSz, W, []) ->
@@ -638,7 +638,7 @@ last_merge(R, W) when length(R) =< W#w.no_files ->
NW = close_input(W2),
outfun(close, NW);
Out ->
- merge_files(R, W, Out),
+ _ = merge_files(R, W, Out),
ok
end;
last_merge(R, W) ->
@@ -1110,10 +1110,12 @@ read_fun2(Fd, Bin, Size, FileName, Owner) ->
end.
close_read_fun(Fd, _FileName, user) ->
- file:close(Fd);
+ _ = file:close(Fd),
+ ok;
close_read_fun(Fd, FileName, fsort) ->
- file:close(Fd),
- file:delete(FileName).
+ _ = file:close(Fd),
+ _ = file:delete(FileName),
+ ok.
read_objs(Fd, FileName, I, L, Bin0, Size0, LSz, W) ->
Max = erlang:max(Size0, ?CHUNKSIZE),
@@ -1481,10 +1483,10 @@ cleanup(W) ->
F = fun(IFun) when is_function(IFun) ->
IFun(close);
({Fd,FileName}) ->
- file:close(Fd),
- file:delete(FileName);
+ _ = file:close(Fd),
+ _= file:delete(FileName);
(FileName) ->
- file:delete(FileName)
+ _= file:delete(FileName)
end,
lists:foreach(F, W1#w.temp).
@@ -1502,8 +1504,12 @@ close_out(_) ->
close_file(Fd, W) ->
{Fd, FileName} = lists:keyfind(Fd, 1, W#w.temp),
?DEBUG("closing ~tp~n", [FileName]),
- file:close(Fd),
- W#w{temp = [FileName | lists:keydelete(Fd, 1, W#w.temp)]}.
+ case file:close(Fd) of
+ ok ->
+ W#w{temp = [FileName | lists:keydelete(Fd, 1, W#w.temp)]};
+ Error ->
+ file_error(FileName, Error, W)
+ end.
%%%
%%% Format 'term'.
@@ -1536,10 +1542,10 @@ file_rterms2(Fd, L, LSz, FileName, Files) when LSz < ?CHUNKSIZE ->
B = term_to_binary(Term),
file_rterms2(Fd, [B | L], LSz + byte_size(B), FileName, Files);
eof ->
- file:close(Fd),
+ _ = file:close(Fd),
{lists:reverse(L), file_rterms(no_file, Files)};
_Error ->
- file:close(Fd),
+ _ = file:close(Fd),
{error, {bad_term, FileName}}
end;
file_rterms2(Fd, L, _LSz, FileName, Files) ->
@@ -1568,7 +1574,7 @@ write_terms(Fd, F, [B | Bs], Args) ->
ok ->
write_terms(Fd, F, Bs, Args);
{error, Reason} ->
- file:close(Fd),
+ _ = file:close(Fd),
{error, {file_error, F, Reason}}
end;
write_terms(Fd, F, [], Args) ->
diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl
index 42ef3679a2..42885bcdcf 100644
--- a/lib/stdlib/src/filelib.erl
+++ b/lib/stdlib/src/filelib.erl
@@ -231,7 +231,7 @@ ensure_dir(F) ->
%% Protect against infinite loop
{error,einval};
false ->
- ensure_dir(Dir),
+ _ = ensure_dir(Dir),
case file:make_dir(Dir) of
{error,eexist}=EExist ->
case do_is_dir(Dir, file) of
diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl
index ba35a7170a..237317ac94 100644
--- a/lib/stdlib/src/gb_sets.erl
+++ b/lib/stdlib/src/gb_sets.erl
@@ -1,8 +1,7 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2013. 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
diff --git a/lib/stdlib/src/gb_trees.erl b/lib/stdlib/src/gb_trees.erl
index de0c239e26..7a4dfe1a0b 100644
--- a/lib/stdlib/src/gb_trees.erl
+++ b/lib/stdlib/src/gb_trees.erl
@@ -1,8 +1,7 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2013. 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
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 42555aedd7..5df5530ba1 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -17,6 +17,7 @@
%% %CopyrightEnd%
%%
-module(gen).
+-compile({inline,[get_node/1]}).
%%%-----------------------------------------------------------------
%%% This module implements the really generic stuff of the generic
@@ -194,16 +195,6 @@ call({_Name, Node}=Process, Label, Request, Timeout)
end.
do_call(Process, Label, Request, Timeout) ->
- %% We trust the arguments to be correct, i.e
- %% Process is either a local or remote pid,
- %% or a {Name, Node} tuple (of atoms) and in this
- %% case this node (node()) _is_ distributed and Node =/= node().
- Node = case Process of
- {_S, N} when is_atom(N) ->
- N;
- _ when is_pid(Process) ->
- node(Process)
- end,
try erlang:monitor(process, Process) of
Mref ->
%% If the monitor/2 call failed to set up a connection to a
@@ -222,15 +213,12 @@ do_call(Process, Label, Request, Timeout) ->
erlang:demonitor(Mref, [flush]),
{ok, Reply};
{'DOWN', Mref, _, _, noconnection} ->
+ Node = get_node(Process),
exit({nodedown, Node});
{'DOWN', Mref, _, _, Reason} ->
exit(Reason)
after Timeout ->
- erlang:demonitor(Mref),
- receive
- {'DOWN', Mref, _, _, _} -> true
- after 0 -> true
- end,
+ erlang:demonitor(Mref, [flush]),
exit(timeout)
end
catch
@@ -241,6 +229,7 @@ do_call(Process, Label, Request, Timeout) ->
%% Do the best possible with monitor_node/2.
%% This code may hang indefinitely if the Process
%% does not exist. It is only used for featureweak remote nodes.
+ Node = get_node(Process),
monitor_node(Node, true),
receive
{nodedown, Node} ->
@@ -253,6 +242,18 @@ do_call(Process, Label, Request, Timeout) ->
end
end.
+get_node(Process) ->
+ %% We trust the arguments to be correct, i.e
+ %% Process is either a local or remote pid,
+ %% or a {Name, Node} tuple (of atoms) and in this
+ %% case this node (node()) _is_ distributed and Node =/= node().
+ case Process of
+ {_S, N} when is_atom(N) ->
+ N;
+ _ when is_pid(Process) ->
+ node(Process)
+ end.
+
wait_resp(Node, Tag, Timeout) ->
receive
{Tag, Reply} ->
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index 2b8ba86909..bfebf29080 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -229,6 +229,24 @@ wake_hib(Parent, ServerName, MSL, Debug) ->
fetch_msg(Parent, ServerName, MSL, Debug, Hib) ->
receive
+ {system, From, get_state} ->
+ States = [{Mod,Id,State} || #handler{module=Mod, id=Id, state=State} <- MSL],
+ sys:handle_system_msg(get_state, From, Parent, ?MODULE, Debug,
+ {States, [ServerName, MSL, Hib]}, Hib);
+ {system, From, {replace_state, StateFun}} ->
+ {NMSL, NStates} =
+ lists:unzip([begin
+ Cur = {Mod,Id,State},
+ try
+ NState = {Mod,Id,NS} = StateFun(Cur),
+ {HS#handler{state=NS}, NState}
+ catch
+ _:_ ->
+ {HS, Cur}
+ end
+ end || #handler{module=Mod, id=Id, state=State}=HS <- MSL]),
+ sys:handle_system_msg(replace_state, From, Parent, ?MODULE, Debug,
+ {NStates, [ServerName, NMSL, Hib]}, Hib);
{system, From, Req} ->
sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug,
[ServerName, MSL, Hib],Hib);
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index e480e2ac11..e9654322f1 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -422,6 +422,17 @@ wake_hib(Parent, Name, StateName, StateData, Mod, Debug) ->
decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, Debug, Hib) ->
case Msg of
+ {system, From, get_state} ->
+ Misc = [Name, StateName, StateData, Mod, Time],
+ sys:handle_system_msg(get_state, From, Parent, ?MODULE, Debug,
+ {{StateName, StateData}, Misc}, Hib);
+ {system, From, {replace_state, StateFun}} ->
+ State = {StateName, StateData},
+ NState = {NStateName, NStateData} = try StateFun(State)
+ catch _:_ -> State end,
+ NMisc = [Name, NStateName, NStateData, Mod, Time],
+ sys:handle_system_msg(replace_state, From, Parent, ?MODULE, Debug,
+ {NState, NMisc}, Hib);
{system, From, Req} ->
sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug,
[Name, StateName, StateData, Mod, Time], Hib);
@@ -538,7 +549,7 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, Debug) ->
{stop, Reason, Reply, NStateData} when From =/= undefined ->
{'EXIT', R} = (catch terminate(Reason, Name, Msg, Mod,
StateName, NStateData, Debug)),
- reply(Name, From, Reply, Debug, StateName),
+ _ = reply(Name, From, Reply, Debug, StateName),
exit(R);
{'EXIT', What} ->
terminate(What, Name, Msg, Mod, StateName, StateData, Debug);
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 04308a51b7..4a16ed120f 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -372,6 +372,13 @@ wake_hib(Parent, Name, State, Mod, Debug) ->
decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, Hib) ->
case Msg of
+ {system, From, get_state} ->
+ sys:handle_system_msg(get_state, From, Parent, ?MODULE, Debug,
+ {State, [Name, State, Mod, Time]}, Hib);
+ {system, From, {replace_state, StateFun}} ->
+ NState = try StateFun(State) catch _:_ -> State end,
+ sys:handle_system_msg(replace_state, From, Parent, ?MODULE, Debug,
+ {NState, [Name, NState, Mod, Time]}, Hib);
{system, From, Req} ->
sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug,
[Name, State, Mod, Time], Hib);
@@ -465,11 +472,11 @@ rec_nodes(Tag, [{N,R}|Tail], Name, Badnodes, Replies, Time, TimerId ) ->
{'DOWN', R, _, _, _} ->
rec_nodes(Tag, Tail, Name, [N|Badnodes], Replies, Time, TimerId);
{{Tag, N}, Reply} -> %% Tag is bound !!!
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
rec_nodes(Tag, Tail, Name, Badnodes,
[{N,Reply}|Replies], Time, TimerId);
{timeout, TimerId, _} ->
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
%% Collect all replies that already have arrived
rec_nodes_rest(Tag, Tail, Name, [N|Badnodes], Replies)
end;
@@ -520,10 +527,10 @@ rec_nodes_rest(Tag, [{N,R}|Tail], Name, Badnodes, Replies) ->
{'DOWN', R, _, _, _} ->
rec_nodes_rest(Tag, Tail, Name, [N|Badnodes], Replies);
{{Tag, N}, Reply} -> %% Tag is bound !!!
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
rec_nodes_rest(Tag, Tail, Name, Badnodes, [{N,Reply}|Replies])
after 0 ->
- unmonitor(R),
+ erlang:demonitor(R, [flush]),
rec_nodes_rest(Tag, Tail, Name, [N|Badnodes], Replies)
end;
rec_nodes_rest(Tag, [N|Tail], Name, Badnodes, Replies) ->
@@ -565,16 +572,6 @@ start_monitor(Node, Name) when is_atom(Node), is_atom(Name) ->
end
end.
-%% Cancels a monitor started with Ref=erlang:monitor(_, _).
-unmonitor(Ref) when is_reference(Ref) ->
- erlang:demonitor(Ref),
- receive
- {'DOWN', Ref, _, _, _} ->
- true
- after 0 ->
- true
- end.
-
%%% ---------------------------------------------------
%%% Message handling functions
%%% ---------------------------------------------------
@@ -626,7 +623,7 @@ handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, Debug) ->
{stop, Reason, Reply, NState} ->
{'EXIT', R} =
(catch terminate(Reason, Name, Msg, Mod, NState, Debug)),
- reply(Name, From, Reply, NState, Debug),
+ _ = reply(Name, From, Reply, NState, Debug),
exit(R);
Other ->
handle_common_reply(Other, Parent, Name, Msg, Mod, State, Debug)
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index c92e9e3ade..53728237ca 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -598,11 +598,7 @@ default_output() ->
wait_io_mon_reply(From, Mref) ->
receive
{io_reply, From, Reply} ->
- erlang:demonitor(Mref),
- receive
- {'DOWN', Mref, _, _, _} -> true
- after 0 -> true
- end,
+ erlang:demonitor(Mref, [flush]),
Reply;
{'EXIT', From, _What} ->
receive
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index a9b6d4131e..7c4c2742bc 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -1,4 +1,3 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index 961c060019..0c033acd88 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -36,7 +36,7 @@
-export([merge/3, rmerge/3, sort/2, umerge/3, rumerge/3, usort/2]).
-export([all/2,any/2,map/2,flatmap/2,foldl/3,foldr/3,filter/2,
- partition/2,zf/2,
+ partition/2,zf/2,filtermap/2,
mapfoldl/3,mapfoldr/3,foreach/2,takewhile/2,dropwhile/2,splitwith/2,
split/2]).
@@ -1291,18 +1291,28 @@ partition(Pred, [H | T], As, Bs) ->
partition(Pred, [], As, Bs) when is_function(Pred, 1) ->
{reverse(As), reverse(Bs)}.
--spec zf(fun((T) -> boolean() | {'true', X}), [T]) -> [(T | X)].
+-spec filtermap(Fun, List1) -> List2 when
+ Fun :: fun((Elem) -> boolean() | {'true', Value}),
+ List1 :: [Elem],
+ List2 :: [Elem | Value],
+ Elem :: term(),
+ Value :: term().
-zf(F, [Hd|Tail]) ->
+filtermap(F, [Hd|Tail]) ->
case F(Hd) of
true ->
- [Hd|zf(F, Tail)];
+ [Hd|filtermap(F, Tail)];
{true,Val} ->
- [Val|zf(F, Tail)];
+ [Val|filtermap(F, Tail)];
false ->
- zf(F, Tail)
+ filtermap(F, Tail)
end;
-zf(F, []) when is_function(F, 1) -> [].
+filtermap(F, []) when is_function(F, 1) -> [].
+
+-spec zf(fun((T) -> boolean() | {'true', X}), [T]) -> [(T | X)].
+
+zf(F, L) ->
+ filtermap(F, L).
-spec foreach(Fun, List) -> ok when
Fun :: fun((Elem :: T) -> term()),
diff --git a/lib/stdlib/src/log_mf_h.erl b/lib/stdlib/src/log_mf_h.erl
index 19b555a48c..6b42363979 100644
--- a/lib/stdlib/src/log_mf_h.erl
+++ b/lib/stdlib/src/log_mf_h.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -135,7 +135,12 @@ handle_event(Event, State) ->
State#state{cur_fd = NewFd, curF = NewF, curB = 0}
end,
[Hi,Lo] = put_int16(Size),
- file:write(NewState#state.cur_fd, [Hi, Lo, Bin]),
+ case file:write(NewState#state.cur_fd, [Hi, Lo, Bin]) of
+ ok ->
+ ok;
+ {error, Reason} ->
+ exit({file_exit, Reason})
+ end,
{ok, NewState#state{curB = NewState#state.curB + Size + 2}};
_ ->
{ok, State}
@@ -174,7 +179,7 @@ file_open(Dir, FileNo) ->
write_index_file(Dir, FileNo),
{ok, Fd};
_ ->
- exit({file, open})
+ exit(file_open)
end.
put_int16(I) ->
@@ -211,7 +216,7 @@ write_index_file(Dir, Index) ->
ok = file:close(Fd),
ok = file:rename(TmpFile,File),
ok;
- _ -> exit(open_index_file)
+ _ -> exit(write_index_file)
end.
inc(N, Max) ->
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index a4f4035c79..cebc9c91bd 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -66,6 +66,183 @@ obsolete_1(rpc, safe_multi_server_call, A) when A =:= 2; A =:= 3 ->
{deprecated, {rpc, multi_server_call, A}};
+%% *** CRYPTO add in R16B01 ***
+
+obsolete_1(crypto, md4, 1) ->
+ {deprecated, {crypto, hash, 2}};
+obsolete_1(crypto, md5, 1) ->
+ {deprecated, {crypto, hash, 2}};
+obsolete_1(crypto, sha, 1) ->
+ {deprecated, {crypto, hash, 2}};
+
+obsolete_1(crypto, md4_init, 0) ->
+ {deprecated, {crypto, hash_init, 1}};
+obsolete_1(crypto, md5_init, 0) ->
+ {deprecated, {crypto, hash_init, 1}};
+obsolete_1(crypto, sha_init, 0) ->
+ {deprecated, {crypto, hash_init, 1}};
+
+obsolete_1(crypto, md4_update, 2) ->
+ {deprecated, {crypto, hash_update, 3}};
+obsolete_1(crypto, md5_update, 2) ->
+ {deprecated, {crypto, hash_update, 3}};
+obsolete_1(crypto, sha_update, 2) ->
+ {deprecated, {crypto, hash_update, 3}};
+
+obsolete_1(crypto, md4_final, 1) ->
+ {deprecated, {crypto, hash_final, 2}};
+obsolete_1(crypto, md5_final, 1) ->
+ {deprecated, {crypto, hash_final, 2}};
+obsolete_1(crypto, sha_final, 1) ->
+ {deprecated, {crypto, hash_final, 2}};
+
+obsolete_1(crypto, md5_mac, 2) ->
+ {deprecated, {crypto, hmac, 3}};
+obsolete_1(crypto, sha_mac, 2) ->
+ {deprecated, {crypto, hmac, 3}};
+obsolete_1(crypto, sha_mac, 3) ->
+ {deprecated, {crypto, hmac, 4}};
+
+obsolete_1(crypto, sha_mac_96, 2) ->
+ {deprecated, {crypto, hmac_n, 3}};
+obsolete_1(crypto, md5_mac_96, 2) ->
+ {deprecated, {crypto, hmac_n, 3}};
+
+obsolete_1(crypto, rsa_sign, 2) ->
+ {deprecated, {crypto, sign, 4}};
+obsolete_1(crypto, rsa_sign, 3) ->
+ {deprecated, {crypto, sign, 4}};
+obsolete_1(crypto, rsa_verify, 3) ->
+ {deprecated, {crypto, verify, 5}};
+obsolete_1(crypto, rsa_verify, 4) ->
+ {deprecated, {crypto, verify, 5}};
+
+obsolete_1(crypto, dss_sign, 2) ->
+ {deprecated, {crypto, sign, 4}};
+obsolete_1(crypto, dss_sign, 3) ->
+ {deprecated, {crypto, sign, 4}};
+
+obsolete_1(crypto, dss_verify, 3) ->
+ {deprecated, {crypto, verify, 4}};
+obsolete_1(crypto, dss_verify, 4) ->
+ {deprecated, {crypto, verify, 4}};
+
+obsolete_1(crypto, mod_exp, 3) ->
+ {deprecated, {crypto, mod_pow, 3}};
+
+obsolete_1(crypto, dh_compute_key, 3) ->
+ {deprecated, {crypto, compute_key, 4}};
+obsolete_1(crypto, dh_generate_key, 1) ->
+ {deprecated, {crypto, generate_key, 3}};
+obsolete_1(crypto, dh_generate_key, 2) ->
+ {deprecated, {crypto, generate_key, 3}};
+
+obsolete_1(crypto, des_cbc_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, des3_cbc_encrypt, 5) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, des_ecb_encrypt, 2) ->
+ {deprecated, {crypto, block_encrypt, 3}};
+obsolete_1(crypto, des_ede3_cbc_encrypt, 5) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, des_cfb_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, des3_cfb_encrypt, 5) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, blowfish_ecb_encrypt, 2) ->
+ {deprecated, {crypto, block_encrypt, 3}};
+obsolete_1(crypto, blowfish_cbc_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, blowfish_cfb64_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, blowfish_ofb64_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, aes_cfb_128_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, aes_cbc_128_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto, aes_cbc_256_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto,rc2_cbc_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+obsolete_1(crypto,rc2_40_cbc_encrypt, 3) ->
+ {deprecated, {crypto, block_encrypt, 4}};
+
+obsolete_1(crypto, des_cbc_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, des3_cbc_decrypt, 5) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, des_ecb_decrypt, 2) ->
+ {deprecated, {crypto, block_decrypt, 3}};
+obsolete_1(crypto, des_ede3_cbc_decrypt, 5) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, des_cfb_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, des3_cfb_decrypt, 5) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, blowfish_ecb_decrypt, 2) ->
+ {deprecated, {crypto, block_decrypt, 3}};
+obsolete_1(crypto, blowfish_cbc_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, blowfish_cfb64_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, blowfish_ofb64_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, aes_cfb_128_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, aes_cbc_128_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto, aes_cbc_256_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto,rc2_cbc_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+obsolete_1(crypto,rc2_40_cbc_decrypt, 3) ->
+ {deprecated, {crypto, block_decrypt, 4}};
+
+obsolete_1(crypto, aes_ctr_stream_decrypt, 2) ->
+ {deprecated, {crypto, stream_decrypt, 2}};
+obsolete_1(crypto, aes_ctr_stream_encrypt, 2) ->
+ {deprecated, {crypto, stream_encrypt, 2}};
+obsolete_1(crypto, aes_ctr_decrypt, 3) ->
+ {deprecated, {crypto, stream_decrypt, 2}};
+obsolete_1(crypto, aes_ctr_encrypt, 3) ->
+ {deprecated, {crypto, stream_encrypt, 2}};
+obsolete_1(crypto, rc4_encrypt, 2) ->
+ {deprecated, {crypto, stream_encrypt, 2}};
+obsolete_1(crypto, rc4_encrypt_with_state, 2) ->
+ {deprecated, {crypto, stream_encrypt, 2}};
+obsolete_1(crypto, aes_ctr_stream_init, 2) ->
+ {deprecated, {crypto, stream_init, 3}};
+obsolete_1(crypto, rc4_set_key, 1) ->
+ {deprecated, {crypto, stream_init, 2}};
+
+obsolete_1(crypto, rsa_private_decrypt, 3) ->
+ {deprecated, {crypto, private_decrypt, 4}};
+obsolete_1(crypto, rsa_public_decrypt, 3) ->
+ {deprecated, {crypto, public_decrypt, 4}};
+obsolete_1(crypto, rsa_private_encrypt, 3) ->
+ {deprecated, {crypto, private_encrypt, 4}};
+obsolete_1(crypto, rsa_public_encrypt, 3) ->
+ {deprecated, {crypto, public_encrypt, 4}};
+
+obsolete_1(crypto, des_cfb_ivec, 2) ->
+ {deprecated, {crypto, next_iv, 3}};
+obsolete_1(crypto,des_cbc_ivec, 1) ->
+ {deprecated, {crypto, next_iv, 2}};
+obsolete_1(crypto, aes_cbc_ivec, 1) ->
+ {deprecated, {crypto, next_iv, 2}};
+
+obsolete_1(crypto,info, 0) ->
+ {deprecated, {crypto, module_info, 0}};
+
+obsolete_1(crypto, strong_rand_mpint, 3) ->
+ {deprecated, "needed only by deprecated functions"};
+obsolete_1(crypto, erlint, 1) ->
+ {deprecated, "needed only by deprecated functions"};
+obsolete_1(crypto, mpint, 1) ->
+ {deprecated, "needed only by deprecated functions"};
+
+
%% *** SNMP ***
obsolete_1(snmp, N, A) ->
@@ -73,10 +250,12 @@ obsolete_1(snmp, N, A) ->
false ->
no;
true ->
- {deprecated,"Deprecated; use snmpa:"++atom_to_list(N)++"/"++
+ {deprecated, "Deprecated (will be removed in R17B); use snmpa:"++atom_to_list(N)++"/"++
integer_to_list(A)++" instead"}
end;
+obsolete_1(snmpa, old_info_format, 1) ->
+ {deprecated, "Deprecated; (will be removed in R17B); use \"new\" format instead"};
obsolete_1(snmpm, agent_info, 3) ->
{removed, {snmpm, agent_info, 2}, "R16B"};
obsolete_1(snmpm, update_agent_info, 5) ->
diff --git a/lib/stdlib/src/pool.erl b/lib/stdlib/src/pool.erl
index a5eb191ab2..dfe6318dea 100644
--- a/lib/stdlib/src/pool.erl
+++ b/lib/stdlib/src/pool.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -63,7 +63,7 @@ start(Name) ->
Args :: string(),
Nodes :: [node()].
start(Name, Args) when is_atom(Name) ->
- gen_server:start({global, pool_master}, pool, [], []),
+ _ = gen_server:start({global, pool_master}, pool, [], []),
Hosts = net_adm:host_file(),
Nodes = start_nodes(Hosts, Name, Args),
lists:foreach(fun attach/1, Nodes),
diff --git a/lib/stdlib/src/sets.erl b/lib/stdlib/src/sets.erl
index e6f05b71d4..ebf011a7d9 100644
--- a/lib/stdlib/src/sets.erl
+++ b/lib/stdlib/src/sets.erl
@@ -1,8 +1,7 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2013. 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
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index c6c706c3a7..0d2fc47d13 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -58,7 +58,7 @@ start(NoCtrlG) ->
start(NoCtrlG, false).
start(NoCtrlG, StartSync) ->
- code:ensure_loaded(user_default),
+ _ = code:ensure_loaded(user_default),
spawn(fun() -> server(NoCtrlG, StartSync) end).
%% Find the pid of the current evaluator process.
@@ -677,8 +677,10 @@ exprs([E0|Es], Bs1, RT, Lf, Ef, Bs0, W) ->
if
Es =:= [] ->
VS = pp(V0, 1, RT),
- [io:requests([{put_chars, unicode, VS}, nl]) ||
- W =:= cmd],
+ case W of
+ cmd -> io:requests([{put_chars, unicode, VS}, nl]);
+ pmt -> ok
+ end,
%% Don't send the result back if it will be
%% discarded anyway.
V = if
diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl
index 9c74041f56..3e647635bc 100644
--- a/lib/stdlib/src/slave.erl
+++ b/lib/stdlib/src/slave.erl
@@ -289,7 +289,8 @@ register_unique_name(Number) ->
%% If the node should run on the local host, there is
%% no need to use rsh.
-mk_cmd(Host, Name, Args, Waiter, Prog) ->
+mk_cmd(Host, Name, Args, Waiter, Prog0) ->
+ Prog = quote_progname(Prog0),
BasicCmd = lists:concat([Prog,
" -detached -noinput -master ", node(),
" ", long_or_short(), Name, "@", Host,
@@ -309,6 +310,31 @@ mk_cmd(Host, Name, Args, Waiter, Prog) ->
end
end.
+%% This is an attempt to distinguish between spaces in the program
+%% path and spaces that separate arguments. The program is quoted to
+%% allow spaces in the path.
+%%
+%% Arguments could exist either if the executable is excplicitly given
+%% (through start/5) or if the -program switch to beam is used and
+%% includes arguments (typically done by cerl in OTP test environment
+%% in order to ensure that slave/peer nodes are started with the same
+%% emulator and flags as the test node. The return from lib:progname()
+%% could then typically be '/<full_path_to>/cerl -gcov').
+quote_progname(Progname) ->
+ do_quote_progname(string:tokens(to_list(Progname)," ")).
+
+do_quote_progname([Prog]) ->
+ "\""++Prog++"\"";
+do_quote_progname([Prog,Arg|Args]) ->
+ case os:find_executable(Prog) of
+ false ->
+ do_quote_progname([Prog++" "++Arg | Args]);
+ _ ->
+ %% this one has an executable - we assume the rest are arguments
+ "\""++Prog++"\""++
+ lists:flatten(lists:map(fun(X) -> [" ",X] end, [Arg|Args]))
+ end.
+
%% Give the user an opportunity to run another program,
%% than the "rsh". On HP-UX rsh is called remsh; thus HP users
%% must start erlang as erl -rsh remsh.
diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 55c8087475..4c828e4434 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -1,7 +1,7 @@
%% -*- erlang -*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2013. 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
@@ -17,11 +17,11 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max two major revisions back
- [{<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
- {<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
- {<<"1\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R14
+ [{<<"1\\.20(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
+ {<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R15
%% Down to - max two major revisions back
- [{<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
- {<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15
- {<<"1\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R14
+ [{<<"1\\.20(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
+ {<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R15
}.
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index 4ed27ff4eb..0675afb877 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -1,4 +1,3 @@
-%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index 9f93747c3e..d18387568d 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -63,7 +63,9 @@
%%--------------------------------------------------------------------------
-record(child, {% pid is undefined when child is not running
- pid = undefined :: child() | {restarting,pid()} | [pid()],
+ pid = undefined :: child()
+ | {restarting, pid() | undefined}
+ | [pid()],
name :: child_id(),
mfargs :: mfargs(),
restart_type :: restart(),
@@ -258,7 +260,7 @@ init_children(State, StartSpec) ->
{ok, NChildren} ->
{ok, State#state{children = NChildren}};
{error, NChildren, Reason} ->
- terminate_children(NChildren, SupName),
+ _ = terminate_children(NChildren, SupName),
{stop, {shutdown, Reason}}
end;
Error ->
@@ -750,7 +752,16 @@ restart(Child, State) ->
Id = if ?is_simple(State) -> Child#child.pid;
true -> Child#child.name
end,
- timer:apply_after(0,?MODULE,try_again_restart,[self(),Id]),
+ {ok, _TRef} = timer:apply_after(0,
+ ?MODULE,
+ try_again_restart,
+ [self(),Id]),
+ {ok,NState2};
+ {try_again, NState2, #child{name=ChName}} ->
+ {ok, _TRef} = timer:apply_after(0,
+ ?MODULE,
+ try_again_restart,
+ [self(),ChName]),
{ok,NState2};
Other ->
Other
@@ -798,10 +809,16 @@ restart(rest_for_one, Child, State) ->
case start_children(ChAfter2, State#state.name) of
{ok, ChAfter3} ->
{ok, State#state{children = ChAfter3 ++ ChBefore}};
- {error, ChAfter3, _Reason} ->
+ {error, ChAfter3, {failed_to_start_child, ChName, _Reason}}
+ when ChName =:= Child#child.name ->
NChild = Child#child{pid=restarting(Child#child.pid)},
NState = State#state{children = ChAfter3 ++ ChBefore},
- {try_again, replace_child(NChild,NState)}
+ {try_again, replace_child(NChild,NState)};
+ {error, ChAfter3, {failed_to_start_child, ChName, _Reason}} ->
+ NChild = lists:keyfind(ChName, #child.name, ChAfter3),
+ NChild2 = NChild#child{pid=?restarting(undefined)},
+ NState = State#state{children = ChAfter3 ++ ChBefore},
+ {try_again, replace_child(NChild2,NState), NChild2}
end;
restart(one_for_all, Child, State) ->
Children1 = del_child(Child#child.pid, State#state.children),
@@ -809,10 +826,16 @@ restart(one_for_all, Child, State) ->
case start_children(Children2, State#state.name) of
{ok, NChs} ->
{ok, State#state{children = NChs}};
- {error, NChs, _Reason} ->
+ {error, NChs, {failed_to_start_child, ChName, _Reason}}
+ when ChName =:= Child#child.name ->
NChild = Child#child{pid=restarting(Child#child.pid)},
NState = State#state{children = NChs},
- {try_again, replace_child(NChild,NState)}
+ {try_again, replace_child(NChild,NState)};
+ {error, NChs, {failed_to_start_child, ChName, _Reason}} ->
+ NChild = lists:keyfind(ChName, #child.name, NChs),
+ NChild2 = NChild#child{pid=?restarting(undefined)},
+ NState = State#state{children = NChs},
+ {try_again, replace_child(NChild2,NState), NChild2}
end.
restarting(Pid) when is_pid(Pid) -> ?restarting(Pid);
@@ -833,7 +856,7 @@ terminate_children(Children, SupName) ->
%% we do want them to be shut down as many functions from this module
%% use this function to just clear everything.
terminate_children([Child = #child{restart_type=temporary} | Children], SupName, Res) ->
- do_terminate(Child, SupName),
+ _ = do_terminate(Child, SupName),
terminate_children(Children, SupName, Res);
terminate_children([Child | Children], SupName, Res) ->
NChild = do_terminate(Child, SupName),
@@ -991,7 +1014,7 @@ wait_dynamic_children(_Child, _Pids, 0, undefined, 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),
+ _ = erlang:cancel_timer(TRef),
receive
{timeout, TRef, kill} ->
EStack
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index 2d6287814e..04f8dfb61b 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -21,6 +21,8 @@
%% External exports
-export([suspend/1, suspend/2, resume/1, resume/2,
get_status/1, get_status/2,
+ get_state/1, get_state/2,
+ replace_state/2, replace_state/3,
change_code/4, change_code/5,
log/2, log/3, trace/2, trace/3, statistics/2, statistics/3,
log_to_file/2, log_to_file/3, no_debug/1, no_debug/2,
@@ -97,6 +99,32 @@ get_status(Name) -> send_system_msg(Name, get_status).
| (Misc :: term()).
get_status(Name, Timeout) -> send_system_msg(Name, get_status, Timeout).
+-spec get_state(Name) -> State when
+ Name :: name(),
+ State :: term().
+get_state(Name) -> send_system_msg(Name, get_state).
+
+-spec get_state(Name, Timeout) -> State when
+ Name :: name(),
+ Timeout :: timeout(),
+ State :: term().
+get_state(Name, Timeout) -> send_system_msg(Name, get_state, Timeout).
+
+-spec replace_state(Name, StateFun) -> NewState when
+ Name :: name(),
+ StateFun :: fun((State :: term()) -> NewState :: term()),
+ NewState :: term().
+replace_state(Name, StateFun) ->
+ send_system_msg(Name, {replace_state, StateFun}).
+
+-spec replace_state(Name, StateFun, Timeout) -> NewState when
+ Name :: name(),
+ StateFun :: fun((State :: term()) -> NewState :: term()),
+ Timeout :: timeout(),
+ NewState :: term().
+replace_state(Name, StateFun, Timeout) ->
+ send_system_msg(Name, {replace_state, StateFun}, Timeout).
+
-spec change_code(Name, Module, OldVsn, Extra) -> 'ok' | {error, Reason} when
Name :: name(),
Module :: module(),
@@ -289,10 +317,10 @@ handle_system_msg(Msg, From, Parent, Mod, Debug, Misc, Hib) ->
handle_system_msg(SysState, Msg, From, Parent, Mod, Debug, Misc, Hib) ->
case do_cmd(SysState, Msg, Parent, Mod, Debug, Misc) of
{suspended, Reply, NDebug, NMisc} ->
- gen:reply(From, Reply),
+ _ = gen:reply(From, Reply),
suspend_loop(suspended, Parent, Mod, NDebug, NMisc, Hib);
{running, Reply, NDebug, NMisc} ->
- gen:reply(From, Reply),
+ _ = gen:reply(From, Reply),
Mod:system_continue(Parent, NDebug, NMisc)
end.
@@ -362,6 +390,10 @@ do_cmd(_, suspend, _Parent, _Mod, Debug, Misc) ->
{suspended, ok, Debug, Misc};
do_cmd(_, resume, _Parent, _Mod, Debug, Misc) ->
{running, ok, Debug, Misc};
+do_cmd(SysState, get_state, _Parent, _Mod, Debug, {State, Misc}) ->
+ {SysState, State, Debug, Misc};
+do_cmd(SysState, replace_state, _Parent, _Mod, Debug, {State, Misc}) ->
+ {SysState, State, Debug, Misc};
do_cmd(SysState, get_status, Parent, Mod, Debug, Misc) ->
Res = get_status(SysState, Parent, Mod, Debug, Misc),
{SysState, Res, Debug, Misc};
diff --git a/lib/stdlib/src/timer.erl b/lib/stdlib/src/timer.erl
index 689e42051f..72a2dd9616 100644
--- a/lib/stdlib/src/timer.erl
+++ b/lib/stdlib/src/timer.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. 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
@@ -258,7 +258,7 @@ ensure_started() ->
undefined ->
C = {timer_server, {?MODULE, start_link, []}, permanent, 1000,
worker, [?MODULE]},
- supervisor:start_child(kernel_safe_sup, C), % kernel_safe_sup
+ _ = supervisor:start_child(kernel_safe_sup, C),
ok;
_ -> ok
end.
@@ -354,7 +354,7 @@ timer_timeout(SysTime) ->
'$end_of_table' ->
infinity;
{Time, _Ref} when Time > SysTime ->
- Timeout = (Time - SysTime) div 1000,
+ Timeout = (Time - SysTime + 999) div 1000,
%% Returned timeout must fit in a small int
erlang:min(Timeout, ?MAX_TIMEOUT);
Key ->
@@ -414,7 +414,7 @@ next_timeout() ->
'$end_of_table' ->
infinity;
{Time, _} ->
- erlang:min(positive((Time - system_time()) div 1000), ?MAX_TIMEOUT)
+ erlang:min(positive((Time - system_time() + 999) div 1000), ?MAX_TIMEOUT)
end.
%% Help functions