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| author | Micael Karlberg <[email protected]> | 2011-11-08 16:29:34 +0100 |
|---|---|---|
| committer | Micael Karlberg <[email protected]> | 2011-11-08 16:29:34 +0100 |
| commit | c4ba4b92ba9caed7b1a6732ac53c78330b4558fd (patch) | |
| tree | 0eb24ad030e08c56f2efa9a1b4ea96cc5dfa947b /lib/stdlib | |
| parent | b3929cdc4479170842d36a7f2ba757ff052e098b (diff) | |
| parent | 12a5e61df498ec80383514ca79b795c40522e19a (diff) | |
| download | otp-c4ba4b92ba9caed7b1a6732ac53c78330b4558fd.tar.gz otp-c4ba4b92ba9caed7b1a6732ac53c78330b4558fd.tar.bz2 otp-c4ba4b92ba9caed7b1a6732ac53c78330b4558fd.zip | |
Merge branch 'master' of super:otp into bmk/snmp/compiler/misc/OTP-9618
Diffstat (limited to 'lib/stdlib')
40 files changed, 953 insertions, 458 deletions
diff --git a/lib/stdlib/doc/src/lists.xml b/lib/stdlib/doc/src/lists.xml index 6f3ed7af98..7042c84437 100644 --- a/lib/stdlib/doc/src/lists.xml +++ b/lib/stdlib/doc/src/lists.xml @@ -240,7 +240,7 @@ flatmap(Fun, List1) -> <func> <name name="keydelete" arity="3"/> <fsummary>Delete an element from a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a copy of <c><anno>TupleList1</anno></c> where the first occurrence of a tuple whose <c><anno>N</anno></c>th element compares equal to @@ -266,7 +266,7 @@ flatmap(Fun, List1) -> <func> <name name="keymap" arity="3"/> <fsummary>Map a function over a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a list of tuples where, for each tuple in <c><anno>TupleList1</anno></c>, the <c><anno>N</anno></c>th element <c><anno>Term1</anno></c> of the tuple @@ -298,7 +298,7 @@ flatmap(Fun, List1) -> <func> <name name="keymerge" arity="3"/> <fsummary>Merge two key-sorted lists of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns the sorted list formed by merging <c><anno>TupleList1</anno></c> and <c><anno>TupleList2</anno></c>. The merge is performed on @@ -312,7 +312,7 @@ flatmap(Fun, List1) -> <func> <name name="keyreplace" arity="4"/> <fsummary>Replace an element in a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a copy of <c><anno>TupleList1</anno></c> where the first occurrence of a <c>T</c> tuple whose <c><anno>N</anno></c>th element @@ -342,7 +342,7 @@ flatmap(Fun, List1) -> <func> <name name="keysort" arity="2"/> <fsummary>Sort a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a list containing the sorted elements of the list <c><anno>TupleList1</anno></c>. Sorting is performed on the <c><anno>N</anno></c>th @@ -352,7 +352,7 @@ flatmap(Fun, List1) -> <func> <name name="keystore" arity="4"/> <fsummary>Store an element in a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a copy of <c><anno>TupleList1</anno></c> where the first occurrence of a tuple <c>T</c> whose <c><anno>N</anno></c>th element @@ -366,7 +366,7 @@ flatmap(Fun, List1) -> <func> <name name="keytake" arity="3"/> <fsummary>Extract an element from a list of tuples</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Searches the list of tuples <c><anno>TupleList1</anno></c> for a tuple whose <c><anno>N</anno></c>th element compares equal to <c><anno>Key</anno></c>. @@ -500,7 +500,7 @@ flatmap(Fun, List1) -> <func> <name name="nth" arity="2"/> <fsummary>Return the Nth element of a list</fsummary> - <type_desc variable="N">1..length(List)</type_desc> + <type_desc variable="N">1..length(<anno>List</anno>)</type_desc> <desc> <p>Returns the <c><anno>N</anno></c>th element of <c><anno>List</anno></c>. For example:</p> <pre> @@ -511,7 +511,7 @@ c</pre> <func> <name name="nthtail" arity="2"/> <fsummary>Return the Nth tail of a list</fsummary> - <type_desc variable="N">0..length(List)</type_desc> + <type_desc variable="N">0..length(<anno>List</anno>)</type_desc> <desc> <p>Returns the <c><anno>N</anno></c>th tail of <c><anno>List</anno></c>, that is, the sublist of <c><anno>List</anno></c> starting at <c><anno>N</anno>+1</c> and continuing up to @@ -630,7 +630,7 @@ length(lists:seq(From, To, Incr)) == (To-From+Incr) div Incr</code> <func> <name name="split" arity="2"/> <fsummary>Split a list into two lists</fsummary> - <type_desc variable="N">0..length(List1)</type_desc> + <type_desc variable="N">0..length(<anno>List1</anno>)</type_desc> <desc> <p>Splits <c><anno>List1</anno></c> into <c><anno>List2</anno></c> and <c><anno>List3</anno></c>. <c><anno>List2</anno></c> contains the first <c><anno>N</anno></c> elements and @@ -670,7 +670,7 @@ splitwith(Pred, List) -> <func> <name name="sublist" arity="3"/> <fsummary>Return a sub-list starting at a given position and with a given number of elements</fsummary> - <type_desc variable="Start">1..(length(List1)+1)</type_desc> + <type_desc variable="Start">1..(length(<anno>List1</anno>)+1)</type_desc> <desc> <p>Returns the sub-list of <c><anno>List1</anno></c> starting at <c><anno>Start</anno></c> and with (max) <c><anno>Len</anno></c> elements. It is not an error for @@ -732,7 +732,7 @@ splitwith(Pred, List) -> <func> <name name="ukeymerge" arity="3"/> <fsummary>Merge two key-sorted lists of tuples, removing duplicates</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns the sorted list formed by merging <c><anno>TupleList1</anno></c> and <c><anno>TupleList2</anno></c>. The merge is performed on the @@ -746,7 +746,7 @@ splitwith(Pred, List) -> <func> <name name="ukeysort" arity="2"/> <fsummary>Sort a list of tuples, removing duplicates</fsummary> - <type_desc variable="N">1..tuple_size(Tuple)</type_desc> + <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc> <desc> <p>Returns a list containing the sorted elements of the list <c><anno>TupleList1</anno></c> where all but the first tuple of the diff --git a/lib/stdlib/doc/src/make.dep b/lib/stdlib/doc/src/make.dep deleted file mode 100644 index 48ee6209ef..0000000000 --- a/lib/stdlib/doc/src/make.dep +++ /dev/null @@ -1,40 +0,0 @@ -# ---------------------------------------------------- -# >>>> Do not edit this file <<<< -# This file was automaticly generated by -# /home/otp/bin/docdepend -# ---------------------------------------------------- - - -# ---------------------------------------------------- -# TeX files that the DVI file depend on -# ---------------------------------------------------- - -book.dvi: array.tex base64.tex beam_lib.tex book.tex \ - c.tex calendar.tex dets.tex dict.tex digraph.tex \ - digraph_utils.tex epp.tex erl_eval.tex erl_expand_records.tex \ - erl_id_trans.tex erl_internal.tex erl_lint.tex \ - erl_parse.tex erl_pp.tex erl_scan.tex erl_tar.tex \ - ets.tex file_sorter.tex filelib.tex filename.tex \ - gb_sets.tex gb_trees.tex gen_event.tex gen_fsm.tex \ - gen_server.tex io.tex io_lib.tex io_protocol.tex \ - lib.tex lists.tex log_mf_h.tex math.tex ms_transform.tex \ - orddict.tex ordsets.tex part.tex pg.tex pool.tex \ - proc_lib.tex proplists.tex qlc.tex queue.tex \ - random.tex re.tex ref_man.tex regexp.tex sets.tex \ - shell.tex shell_default.tex slave.tex sofs.tex \ - stdlib_app.tex string.tex supervisor.tex supervisor_bridge.tex \ - sys.tex timer.tex unicode.tex unicode_usage.tex \ - win32reg.tex zip.tex - -# ---------------------------------------------------- -# Source inlined when transforming from source to LaTeX -# ---------------------------------------------------- - -book.tex: ref_man.xml - -# ---------------------------------------------------- -# Pictures that the DVI file depend on -# ---------------------------------------------------- - -book.dvi: ushell1.ps - diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index 93affc3191..1b8fa44883 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -136,6 +136,11 @@ <c>random_seed</c> to remember the current seed.</p> <p>If a process calls <c>uniform/0</c> or <c>uniform/1</c> without setting a seed first, <c>seed/0</c> is called automatically.</p> + <p>The implementation changed in R15. Upgrading to R15 will break + applications that expect a specific output for a given seed. The output + is still deterministic number series, but different compared to releases + older than R15. The seed <c>{0,0,0}</c> will for example no longer + produce a flawed series of only zeros.</p> </section> </erlref> diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index ec607d6e4c..30514dfee9 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -93,6 +93,10 @@ instead the child specification identifier is used, <c>terminate_child/2</c> will return <c>{error,simple_one_for_one}</c>.</p> + <p>Because a <c>simple_one_for_one</c> supervisor could have many + children, it shuts them all down at same time. So, order in which they + are stopped is not defined. For the same reason, it could have an + overhead with regards to the <c>Shutdown</c> strategy.</p> </item> </list> <p>To prevent a supervisor from getting into an infinite loop of @@ -169,7 +173,15 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <c>exit(Child,kill)</c>.</p> <p>If the child process is another supervisor, <c>Shutdown</c> should be set to <c>infinity</c> to give the subtree ample - time to shutdown.</p> + time to shutdown. It is also allowed to set it to <c>infinity</c>, + if the child process is a worker.</p> + <warning> + <p>Be careful by setting the <c>Shutdown</c> strategy to + <c>infinity</c> when the child process is a worker. Because, in this + situation, the termination of the supervision tree depends on the + child process, it must be implemented in a safe way and its cleanup + procedure must always return.</p> + </warning> <p><em>Important note on simple-one-for-one supervisors:</em> The dynamically created child processes of a simple-one-for-one supervisor are not explicitly killed, diff --git a/lib/stdlib/doc/src/unicode.xml b/lib/stdlib/doc/src/unicode.xml index d02763f75c..1001ebbae4 100644 --- a/lib/stdlib/doc/src/unicode.xml +++ b/lib/stdlib/doc/src/unicode.xml @@ -203,8 +203,7 @@ <item>greater than <c>16#10FFFF</c> (the maximum unicode character),</item> <item>in the range <c>16#D800</c> to <c>16#DFFF</c> - (invalid unicode range)</item> - <item>or equal to 16#FFFE or 16#FFFF (non characters)</item> + (invalid range reserved for UTF-16 surrogate pairs)</item> </list> is found. </item> diff --git a/lib/stdlib/examples/erl_id_trans.erl b/lib/stdlib/examples/erl_id_trans.erl index b63acdd40a..72e41d6473 100644 --- a/lib/stdlib/examples/erl_id_trans.erl +++ b/lib/stdlib/examples/erl_id_trans.erl @@ -419,7 +419,14 @@ expr({'fun',Line,Body}) -> {'fun',Line,{clauses,Cs1}}; {function,F,A} -> {'fun',Line,{function,F,A}}; - {function,M,F,A} -> %R10B-6: fun M:F/A. + {function,M,F,A} when is_atom(M), is_atom(F), is_integer(A) -> + %% R10B-6: fun M:F/A. (Backward compatibility) + {'fun',Line,{function,M,F,A}}; + {function,M0,F0,A0} -> + %% R15: fun M:F/A with variables. + M = expr(M0), + F = expr(F0), + A = expr(A0), {'fun',Line,{function,M,F,A}} end; expr({call,Line,F0,As0}) -> diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl index fa0641ffd9..c0f9ce34b0 100644 --- a/lib/stdlib/src/dets.erl +++ b/lib/stdlib/src/dets.erl @@ -1754,17 +1754,6 @@ system_code_change(State, _Module, _OldVsn, _Extra) -> %%% Internal functions %%%---------------------------------------------------------------------- -constants(FH, FileName) -> - Version = FH#fileheader.version, - if - Version =< 8 -> - dets_v8:constants(); - Version =:= 9 -> - dets_v9:constants(); - true -> - throw({error, {not_a_dets_file, FileName}}) - end. - %% -> {ok, Fd, fileheader()} | throw(Error) read_file_header(FileName, Access, RamFile) -> BF = if @@ -1842,7 +1831,11 @@ do_bchunk_init(Head, Tab) -> {H2, {error, old_version}}; Parms -> L = dets_utils:all_allocated(H2), - C0 = #dets_cont{no_objs = default, bin = <<>>, alloc = L}, + Bin = if + L =:= <<>> -> eof; + true -> <<>> + end, + C0 = #dets_cont{no_objs = default, bin = Bin, alloc = L}, BinParms = term_to_binary(Parms), {H2, {C0#dets_cont{tab = Tab, proc = self(),what = bchunk}, [BinParms]}} @@ -2475,10 +2468,23 @@ fopen2(Fname, Tab) -> %% Fd is not always closed upon error, but exit is soon called. {ok, Fd, FH} = read_file_header(Fname, Acc, Ram), Mod = FH#fileheader.mod, - case Mod:check_file_header(FH, Fd) of - {error, not_closed} -> - io:format(user,"dets: file ~p not properly closed, " - "repairing ...~n", [Fname]), + Do = case Mod:check_file_header(FH, Fd) of + {ok, Head1, ExtraInfo} -> + Head2 = Head1#head{filename = Fname}, + try {ok, Mod:init_freelist(Head2, ExtraInfo)} + catch + throw:_ -> + {repair, " has bad free lists, repairing ..."} + end; + {error, not_closed} -> + M = " not properly closed, repairing ...", + {repair, M}; + Else -> + Else + end, + case Do of + {repair, Mess} -> + io:format(user, "dets: file ~p~s~n", [Fname, Mess]), Version = default, case fsck(Fd, Tab, Fname, FH, default, default, Version) of ok -> @@ -2486,9 +2492,9 @@ fopen2(Fname, Tab) -> Error -> throw(Error) end; - {ok, Head, ExtraInfo} -> + {ok, Head} -> open_final(Head, Fname, Acc, Ram, ?DEFAULT_CACHE, - Tab, ExtraInfo, false); + Tab, false); {error, Reason} -> throw({error, {Reason, Fname}}) end; @@ -2520,12 +2526,13 @@ fopen_existing_file(Tab, OpenArgs) -> V9 = (Version =:= 9) or (Version =:= default), MinF = (MinSlots =:= default) or (MinSlots =:= FH#fileheader.min_no_slots), MaxF = (MaxSlots =:= default) or (MaxSlots =:= FH#fileheader.max_no_slots), - Do = case (FH#fileheader.mod):check_file_header(FH, Fd) of + Mod = (FH#fileheader.mod), + Wh = case Mod:check_file_header(FH, Fd) of {ok, Head, true} when Rep =:= force, Acc =:= read_write, FH#fileheader.version =:= 9, FH#fileheader.no_colls =/= undefined, MinF, MaxF, V9 -> - {compact, Head}; + {compact, Head, true}; {ok, _Head, _Extra} when Rep =:= force, Acc =:= read -> throw({error, {access_mode, Fname}}); {ok, Head, need_compacting} when Acc =:= read -> @@ -2555,6 +2562,17 @@ fopen_existing_file(Tab, OpenArgs) -> {error, Reason} -> throw({error, {Reason, Fname}}) end, + Do = case Wh of + {Tag, Hd, Extra} when Tag =:= final; Tag =:= compact -> + Hd1 = Hd#head{filename = Fname}, + try {Tag, Mod:init_freelist(Hd1, Extra)} + catch + throw:_ -> + {repair, " has bad free lists, repairing ..."} + end; + Else -> + Else + end, case Do of _ when FH#fileheader.type =/= Type -> throw({error, {type_mismatch, Fname}}); @@ -2563,8 +2581,7 @@ fopen_existing_file(Tab, OpenArgs) -> {compact, SourceHead} -> io:format(user, "dets: file ~p is now compacted ...~n", [Fname]), {ok, NewSourceHead} = open_final(SourceHead, Fname, read, false, - ?DEFAULT_CACHE, Tab, true, - Debug), + ?DEFAULT_CACHE, Tab, Debug), case catch compact(NewSourceHead) of ok -> erlang:garbage_collect(), @@ -2584,9 +2601,9 @@ fopen_existing_file(Tab, OpenArgs) -> Version, OpenArgs); _ when FH#fileheader.version =/= Version, Version =/= default -> throw({error, {version_mismatch, Fname}}); - {final, H, EI} -> + {final, H} -> H1 = H#head{auto_save = Auto}, - open_final(H1, Fname, Acc, Ram, CacheSz, Tab, EI, Debug) + open_final(H1, Fname, Acc, Ram, CacheSz, Tab, Debug) end. do_repair(Fd, Tab, Fname, FH, MinSlots, MaxSlots, Version, OpenArgs) -> @@ -2600,19 +2617,16 @@ do_repair(Fd, Tab, Fname, FH, MinSlots, MaxSlots, Version, OpenArgs) -> end. %% -> {ok, head()} | throw(Error) -open_final(Head, Fname, Acc, Ram, CacheSz, Tab, ExtraInfo, Debug) -> +open_final(Head, Fname, Acc, Ram, CacheSz, Tab, Debug) -> Head1 = Head#head{access = Acc, ram_file = Ram, filename = Fname, name = Tab, cache = dets_utils:new_cache(CacheSz)}, init_disk_map(Head1#head.version, Tab, Debug), - Mod = Head#head.mod, - Mod:cache_segps(Head1#head.fptr, Fname, Head1#head.next), - Ftab = Mod:init_freelist(Head1, ExtraInfo), + (Head1#head.mod):cache_segps(Head1#head.fptr, Fname, Head1#head.next), check_growth(Head1), - NewHead = Head1#head{freelists = Ftab}, - {ok, NewHead}. + {ok, Head1}. %% -> {ok, head()} | throw(Error) fopen_init_file(Tab, OpenArgs) -> @@ -3139,8 +3153,12 @@ init_scan(Head, NoObjs) -> check_safe_fixtable(Head), FreeLists = dets_utils:get_freelists(Head), Base = Head#head.base, - {From, To} = dets_utils:find_next_allocated(FreeLists, Base, Base), - #dets_cont{no_objs = NoObjs, bin = <<>>, alloc = {From, To, <<>>}}. + case dets_utils:find_next_allocated(FreeLists, Base, Base) of + {From, To} -> + #dets_cont{no_objs = NoObjs, bin = <<>>, alloc = {From,To,<<>>}}; + none -> + #dets_cont{no_objs = NoObjs, bin = eof, alloc = <<>>} + end. check_safe_fixtable(Head) -> case (Head#head.fixed =:= false) andalso @@ -3241,18 +3259,20 @@ view(FileName) -> case catch read_file_header(FileName, read, false) of {ok, Fd, FH} -> Mod = FH#fileheader.mod, - case Mod:check_file_header(FH, Fd) of - {ok, H0, ExtraInfo} -> - Ftab = Mod:init_freelist(H0, ExtraInfo), - {_Bump, Base} = constants(FH, FileName), - H = H0#head{freelists=Ftab, base = Base}, - v_free_list(H), - Mod:v_segments(H), - file:close(Fd); - X -> - file:close(Fd), - X - end; + try Mod:check_file_header(FH, Fd) of + {ok, H0, ExtraInfo} -> + Mod = FH#fileheader.mod, + case Mod:check_file_header(FH, Fd) of + {ok, H0, ExtraInfo} -> + H = Mod:init_freelist(H0, ExtraInfo), + v_free_list(H), + Mod:v_segments(H), + ok; + X -> + X + end + after file:close(Fd) + end; X -> X end. diff --git a/lib/stdlib/src/dets.hrl b/lib/stdlib/src/dets.hrl index fbffc9d008..a3f99357a2 100644 --- a/lib/stdlib/src/dets.hrl +++ b/lib/stdlib/src/dets.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2010. All Rights Reserved. +%% Copyright Ericsson AB 2001-2011. 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 @@ -92,6 +92,7 @@ %% Info extracted from the file header. -record(fileheader, { freelist, + fl_base, cookie, closed_properly, type, diff --git a/lib/stdlib/src/dets_v8.erl b/lib/stdlib/src/dets_v8.erl index cdd38d5604..3e962a1c8b 100644 --- a/lib/stdlib/src/dets_v8.erl +++ b/lib/stdlib/src/dets_v8.erl @@ -21,7 +21,7 @@ %% Dets files, implementation part. This module handles versions up to %% and including 8(c). To be called from dets.erl only. --export([constants/0, mark_dirty/1, read_file_header/2, +-export([mark_dirty/1, read_file_header/2, check_file_header/2, do_perform_save/1, initiate_file/11, init_freelist/2, fsck_input/4, bulk_input/3, output_objs/4, write_cache/1, may_grow/3, @@ -196,10 +196,6 @@ %%-define(DEBUGF(X,Y), io:format(X, Y)). -define(DEBUGF(X,Y), void). -%% {Bump} -constants() -> - {?BUMP, ?BASE}. - %% -> ok | throw({NewHead,Error}) mark_dirty(Head) -> Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}], @@ -308,8 +304,9 @@ init_freelist(Head, {convert_freelist,_Version}) -> Pos = Head#head.freelists_p, case catch prterm(Head, Pos, ?OHDSZ) of {0, _Sz, Term} -> - FreeList = lists:reverse(Term), - dets_utils:init_slots_from_old_file(FreeList, Ftab); + FreeList1 = lists:reverse(Term), + FreeList = dets_utils:init_slots_from_old_file(FreeList1, Ftab), + Head#head{freelists = FreeList, base = ?BASE}; _ -> throw({error, {bad_freelists, Head#head.filename}}) end; @@ -318,7 +315,7 @@ init_freelist(Head, _) -> Pos = Head#head.freelists_p, case catch prterm(Head, Pos, ?OHDSZ) of {0, _Sz, Term} -> - Term; + Head#head{freelists = Term, base = ?BASE}; _ -> throw({error, {bad_freelists, Head#head.filename}}) end. @@ -331,6 +328,7 @@ read_file_header(Fd, FileName) -> {ok, EOF} = dets_utils:position_close(Fd, FileName, eof), {ok, <<FileSize:32>>} = dets_utils:pread_close(Fd, FileName, EOF-4, 4), FH = #fileheader{freelist = Freelist, + fl_base = ?BASE, cookie = Cookie, closed_properly = CP, type = dets_utils:code_to_type(Type2), @@ -413,7 +411,7 @@ check_file_header(FH, Fd) -> version = ?FILE_FORMAT_VERSION, mod = ?MODULE, bump = ?BUMP, - base = ?BASE}, + base = FH#fileheader.fl_base}, {ok, H, ExtraInfo}; Error -> Error diff --git a/lib/stdlib/src/dets_v9.erl b/lib/stdlib/src/dets_v9.erl index 132af01f79..f577b4410f 100644 --- a/lib/stdlib/src/dets_v9.erl +++ b/lib/stdlib/src/dets_v9.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2010. All Rights Reserved. +%% Copyright Ericsson AB 2001-2011. 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 @@ -21,7 +21,7 @@ %% Dets files, implementation part. This module handles version 9. %% To be called from dets.erl only. --export([constants/0, mark_dirty/1, read_file_header/2, +-export([mark_dirty/1, read_file_header/2, check_file_header/2, do_perform_save/1, initiate_file/11, prep_table_copy/9, init_freelist/2, fsck_input/4, bulk_input/3, output_objs/4, bchunk_init/2, @@ -70,6 +70,17 @@ %% 16 MD5-sum for the 44 plus 112 bytes before the MD5-sum. %% (FreelistsPointer, Cookie and ClosedProperly are not digested.) %% 128 Reserved for future versions. Initially zeros. +%% Version 9(d), introduced in R15A, has instead: +%% 112 28 counters for the buddy system sizes (as for 9(b)). +%% 16 MD5-sum for the 44 plus 112 bytes before the MD5-sum. +%% (FreelistsPointer, Cookie and ClosedProperly are not digested.) +%% 4 Base of the buddy system. +%% 0 (zero) if the base is equal to ?BASE. Compatible with R14B. +%% File size at the end of the file is RealFileSize - Base. +%% The reason for modifying file size is that when a file created +%% by R15 is read by R14 a repair takes place immediately, which +%% is acceptable when downgrading. +%% 124 Reserved for future versions. Initially zeros. %% --- %% ------------------ end of file header %% 4*256 SegmentArray Pointers. @@ -86,7 +97,7 @@ %% ----------------------------- %% ??? Free lists %% ----------------------------- -%% 4 File size, in bytes. +%% 4 File size, in bytes. See 9(d) obove. %% Before we can find an object we must find the slot where the %% object resides. Each slot is a (possibly empty) list (or chain) of @@ -177,14 +188,14 @@ %%% File header %%% --define(RESERVED, 128). % Reserved for future use. +-define(RESERVED, 124). % Reserved for future use. -define(COLL_CNTRS, (28*4)). % Counters for the buddy system. -define(MD5SZ, 16). +-define(FL_BASE, 4). --define(HEADSZ, - 56+?COLL_CNTRS+?MD5SZ). % The size of the file header, in bytes, - % not including the reserved part. +-define(HEADSZ, 56+?COLL_CNTRS % The size of the file header, in bytes, + +?MD5SZ+?FL_BASE). % not including the reserved part. -define(HEADEND, (?HEADSZ+?RESERVED)). % End of header and reserved area. -define(SEGSZ, 512). % Size of a segment, in words. SZOBJP*SEGSZP. @@ -270,10 +281,6 @@ %%-define(DEBUGF(X,Y), io:format(X, Y)). -define(DEBUGF(X,Y), void). -%% {Bump} -constants() -> - {?BUMP, ?BASE}. - %% -> ok | throw({NewHead,Error}) mark_dirty(Head) -> Dirty = [{?CLOSED_PROPERLY_POS, <<?NOT_PROPERLY_CLOSED:32>>}], @@ -356,7 +363,7 @@ init_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots, Ram, CacheSz, cache = dets_utils:new_cache(CacheSz), version = ?FILE_FORMAT_VERSION, bump = ?BUMP, - base = ?BASE, + base = ?BASE, % to be overwritten mod = ?MODULE }, @@ -378,13 +385,20 @@ init_file(Fd, Tab, Fname, Type, Kp, MinSlots, MaxSlots, Ram, CacheSz, {Head1, Ws1} = init_parts(Head0, 0, no_parts(Next), Zero, []), NoSegs = no_segs(Next), - {Head, WsI, WsP} = init_segments(Head1, 0, NoSegs, Zero, [], []), + {Head2, WsI, WsP} = init_segments(Head1, 0, NoSegs, Zero, [], []), Ws2 = if DoInitSegments -> WsP ++ WsI; true -> WsP end, dets_utils:pwrite(Fd, Fname, [W0 | lists:append(Ws1) ++ Ws2]), - true = hash_invars(Head), + true = hash_invars(Head2), + %% The allocations that have been made so far (parts, segments) + %% are permanent; the table will never shrink. Therefore the base + %% of the Buddy system can be set to the first free object. + %% This is used in allocate_all(), see below. + {_, Where, _} = dets_utils:alloc(Head2, ?BUMP), + NewFtab = dets_utils:init_alloc(Where), + Head = Head2#head{freelists = NewFtab, base = Where}, {ok, Head}. %% Returns a power of two not less than 256. @@ -451,8 +465,9 @@ read_file_header(Fd, FileName) -> Version:32, M:32, Next:32, Kp:32, NoObjects:32, NoKeys:32, MinNoSlots:32, MaxNoSlots:32, HashMethod:32, N:32, NoCollsB:?COLL_CNTRS/binary, - MD5:?MD5SZ/binary>> = Bin, - <<_:12/binary,MD5DigestedPart:(?HEADSZ-?MD5SZ-12)/binary,_/binary>> = Bin, + MD5:?MD5SZ/binary, FlBase:32>> = Bin, + <<_:12/binary,MD5DigestedPart:(?HEADSZ-?MD5SZ-?FL_BASE-12)/binary, + _/binary>> = Bin, {ok, EOF} = dets_utils:position_close(Fd, FileName, eof), {ok, <<FileSize:32>>} = dets_utils:pread_close(Fd, FileName, EOF-4, 4), {CL, <<>>} = lists:foldl(fun(LSz, {Acc,<<NN:32,R/binary>>}) -> @@ -468,8 +483,12 @@ read_file_header(Fd, FileName) -> true -> lists:reverse(CL) end, - + Base = case FlBase of + 0 -> ?BASE; + _ -> FlBase + end, FH = #fileheader{freelist = FreeList, + fl_base = Base, cookie = Cookie, closed_properly = CP, type = dets_utils:code_to_type(Type2), @@ -486,7 +505,7 @@ read_file_header(Fd, FileName) -> read_md5 = MD5, has_md5 = <<0:?MD5SZ/unit:8>> =/= MD5, md5 = erlang:md5(MD5DigestedPart), - trailer = FileSize, + trailer = FileSize + FlBase, eof = EOF, n = N, mod = ?MODULE}, @@ -544,7 +563,7 @@ check_file_header(FH, Fd) -> version = ?FILE_FORMAT_VERSION, mod = ?MODULE, bump = ?BUMP, - base = ?BASE}, + base = FH#fileheader.fl_base}, {ok, H, ExtraInfo}; Error -> Error @@ -1185,41 +1204,25 @@ write_loop(Head, BytesToWrite, Bin) -> write_loop(Head, BytesToWrite, SmallBin). %% By allocating bigger objects before smaller ones, holes in the -%% buddy system memory map are avoided. Unfortunately, the segments -%% are always allocated first, so if there are objects bigger than a -%% segment, there is a hole to handle. (Haven't considered placing the -%% segments among other objects of the same size.) +%% buddy system memory map are avoided. allocate_all_objects(Head, SizeT) -> DTL = lists:reverse(lists:keysort(1, ets:tab2list(SizeT))), MaxSz = element(1, hd(DTL)), - SegSize = ?ACTUAL_SEG_SIZE, - {Head1, HSz, HN, HA} = alloc_hole(MaxSz, Head, SegSize), - {Head2, NL} = allocate_all(Head1, DTL, []), + {Head1, NL} = allocate_all(Head, DTL, []), %% Find the position that will be the end of the file by allocating %% a minimal object. - {_Head, EndOfFile, _} = dets_utils:alloc(Head2, ?BUMP), - Head3 = free_hole(Head2, HSz, HN, HA), - NewHead = Head3#head{maxobjsize = max_objsize(Head3#head.no_collections)}, + {_Head, EndOfFile, _} = dets_utils:alloc(Head1, ?BUMP), + NewHead = Head1#head{maxobjsize = max_objsize(Head1#head.no_collections)}, {NewHead, NL, MaxSz, EndOfFile}. -alloc_hole(LSize, Head, SegSz) when ?POW(LSize-1) > SegSz -> - Size = ?POW(LSize-1), - {_, SegAddr, _} = dets_utils:alloc(Head, adjsz(SegSz)), - {_, Addr, _} = dets_utils:alloc(Head, adjsz(Size)), - N = (Addr - SegAddr) div SegSz, - Head1 = dets_utils:alloc_many(Head, SegSz, N, SegAddr), - {Head1, SegSz, N, SegAddr}; -alloc_hole(_MaxSz, Head, _SegSz) -> - {Head, 0, 0, 0}. - -free_hole(Head, _Size, 0, _Addr) -> - Head; -free_hole(Head, Size, N, Addr) -> - {Head1, _} = dets_utils:free(Head, Addr, adjsz(Size)), - free_hole(Head1, Size, N-1, Addr+Size). - %% One (temporary) file for each buddy size, write all objects of that %% size to the file. +%% +%% Before R15 a "hole" was needed before the first bucket if the size +%% of the biggest bucket was greater than the size of a segment. The +%% hole proved to be a problem with almost full tables with huge +%% buckets. Since R15 the hole is no longer needed due to the fact +%% that the base of the Buddy system is flexible. allocate_all(Head, [{?FSCK_SEGMENT,_,Data,_}], L) -> %% And one file for the segments... %% Note that space for the array parts and the segments has @@ -1593,23 +1596,28 @@ do_perform_save(H) -> H1 = H#head{freelists_p = FreeListsPointer}, {FLW, FLSize} = free_lists_to_file(H1), FileSize = FreeListsPointer + FLSize + 4, - ok = dets_utils:write(H1, [FLW | <<FileSize:32>>]), + AdjustedFileSize = case H#head.base of + ?BASE -> FileSize; + Base -> FileSize - Base + end, + ok = dets_utils:write(H1, [FLW | <<AdjustedFileSize:32>>]), FileHeader = file_header(H1, FreeListsPointer, ?CLOSED_PROPERLY), case dets_utils:debug_mode() of true -> - TmpHead = H1#head{freelists = init_freelist(H1, true), - fixed = false}, + TmpHead0 = init_freelist(H1#head{fixed = false}, true), + TmpHead = TmpHead0#head{base = H1#head.base}, case catch dets_utils:all_allocated_as_list(TmpHead) =:= dets_utils:all_allocated_as_list(H1) - of + of true -> dets_utils:pwrite(H1, [{0, FileHeader}]); _ -> + throw( dets_utils:corrupt_reason(H1, {failed_to_save_free_lists, FreeListsPointer, TmpHead#head.freelists, - H1#head.freelists}) + H1#head.freelists})) end; false -> dets_utils:pwrite(H1, [{0, FileHeader}]) @@ -1648,7 +1656,11 @@ file_header(Head, FreeListsPointer, ClosedProperly, NoColls) -> true -> erlang:md5(DigH); false -> <<0:?MD5SZ/unit:8>> end, - [H1, DigH, MD5 | <<0:?RESERVED/unit:8>>]. + Base = case Head#head.base of + ?BASE -> <<0:32>>; + FlBase -> <<FlBase:32>> + end, + [H1, DigH, MD5, Base | <<0:?RESERVED/unit:8>>]. %% Going through some trouble to avoid creating one single binary for %% the free lists. If the free lists are huge, binary_to_term and @@ -1695,8 +1707,8 @@ free_lists_from_file(H, Pos) -> case catch bin_to_tree([], H, start, FL, -1, []) of {'EXIT', _} -> throw({error, {bad_freelists, H#head.filename}}); - Reply -> - Reply + Ftab -> + H#head{freelists = Ftab, base = ?BASE} end. bin_to_tree(Bin, H, LastPos, Ftab, A0, L) -> 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 dd0b9bc2ab..5d45260fe9 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -123,6 +123,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> called= [] :: [{fa(),line()}], %Called functions usage = #usage{} :: #usage{}, specs = dict:new() :: dict(), %Type specifications + callbacks = dict:new() :: dict(), %Callback types types = dict:new() :: dict(), %Type definitions exp_types=gb_sets:empty():: gb_set() %Exported types }). @@ -310,8 +311,6 @@ format_error({conflicting_behaviours,{Name,Arity},B,FirstL,FirstB}) -> format_error({undefined_behaviour_func, {Func,Arity}, Behaviour}) -> io_lib:format("undefined callback function ~w/~w (behaviour '~w')", [Func,Arity,Behaviour]); -format_error({undefined_behaviour_func, {Func,Arity,_Spec}, Behaviour}) -> - format_error({undefined_behaviour_func, {Func,Arity}, Behaviour}); format_error({undefined_behaviour,Behaviour}) -> io_lib:format("behaviour ~w undefined", [Behaviour]); format_error({undefined_behaviour_callbacks,Behaviour}) -> @@ -320,6 +319,9 @@ format_error({undefined_behaviour_callbacks,Behaviour}) -> format_error({ill_defined_behaviour_callbacks,Behaviour}) -> io_lib:format("behaviour ~w callback functions erroneously defined", [Behaviour]); +format_error({behaviour_info, {_M,F,A}}) -> + io_lib:format("cannot define callback attibute for ~w/~w when " + "behaviour_info is defined",[F,A]); %% --- types and specs --- format_error({singleton_typevar, Name}) -> io_lib:format("type variable ~w is only used once (is unbound)", [Name]); @@ -348,12 +350,16 @@ format_error({type_syntax, Constr}) -> io_lib:format("bad ~w type", [Constr]); format_error({redefine_spec, {M, F, A}}) -> io_lib:format("spec for ~w:~w/~w already defined", [M, F, A]); +format_error({redefine_callback, {M, F, A}}) -> + io_lib:format("callback ~w:~w/~w already defined", [M, F, A]); format_error({spec_fun_undefined, {M, F, A}}) -> io_lib:format("spec for undefined function ~w:~w/~w", [M, F, A]); format_error({missing_spec, {F,A}}) -> io_lib:format("missing specification for function ~w/~w", [F, A]); format_error(spec_wrong_arity) -> "spec has the wrong arity"; +format_error(callback_wrong_arity) -> + "callback has the wrong arity"; format_error({imported_predefined_type, Name}) -> io_lib:format("referring to built-in type ~w as a remote type; " "please take out the module name", [Name]); @@ -747,6 +753,8 @@ attribute_state({attribute,L,opaque,{TypeName,TypeDef,Args}}, St) -> type_def(opaque, L, TypeName, TypeDef, Args, St); attribute_state({attribute,L,spec,{Fun,Types}}, St) -> spec_decl(L, Fun, Types, St); +attribute_state({attribute,L,callback,{Fun,Types}}, St) -> + callback_decl(L, Fun, Types, St); attribute_state({attribute,L,on_load,Val}, St) -> on_load(L, Val, St); attribute_state({attribute,_L,_Other,_Val}, St) -> % Ignore others @@ -840,7 +848,8 @@ post_traversal_check(Forms, St0) -> StB = check_unused_types(Forms, StA), StC = check_untyped_records(Forms, StB), StD = check_on_load(StC), - check_unused_records(Forms, StD). + StE = check_unused_records(Forms, StD), + check_callback_information(StE). %% check_behaviour(State0) -> State %% Check that the behaviour attribute is valid. @@ -1139,6 +1148,23 @@ check_unused_records(Forms, St0) -> St0 end. +check_callback_information(#lint{callbacks = Callbacks, + defined = Defined} = State) -> + case gb_sets:is_member({behaviour_info,1}, Defined) of + false -> State; + true -> + case dict:size(Callbacks) of + 0 -> State; + _ -> + CallbacksList = dict:to_list(Callbacks), + FoldL = + fun({Fa,Line},St) -> + add_error(Line, {behaviour_info, Fa}, St) + end, + lists:foldl(FoldL, State, CallbacksList) + end + end. + %% For storing the import list we use the orddict module. %% We know an empty set is []. @@ -2101,8 +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), @@ -2770,6 +2801,20 @@ spec_decl(Line, MFA0, TypeSpecs, St0 = #lint{specs = Specs, module = Mod}) -> false -> check_specs(TypeSpecs, Arity, St1) end. +%% callback_decl(Line, Fun, Types, State) -> State. + +callback_decl(Line, MFA0, TypeSpecs, + St0 = #lint{callbacks = Callbacks, module = Mod}) -> + MFA = case MFA0 of + {F, Arity} -> {Mod, F, Arity}; + {_M, _F, Arity} -> MFA0 + end, + St1 = St0#lint{callbacks = dict:store(MFA, Line, Callbacks)}, + case dict:is_key(MFA, Callbacks) of + true -> add_error(Line, {redefine_callback, MFA}, St1); + false -> check_specs(TypeSpecs, Arity, St1) + end. + check_specs([FunType|Left], Arity, St0) -> {FunType1, CTypes} = case FunType of @@ -3275,6 +3320,8 @@ modify_line1({attribute,L,record,{Name,Fields}}, Mf) -> {attribute,Mf(L),record,{Name,modify_line1(Fields, Mf)}}; modify_line1({attribute,L,spec,{Fun,Types}}, Mf) -> {attribute,Mf(L),spec,{Fun,modify_line1(Types, Mf)}}; +modify_line1({attribute,L,callback,{Fun,Types}}, Mf) -> + {attribute,Mf(L),callback,{Fun,modify_line1(Types, Mf)}}; modify_line1({attribute,L,type,{TypeName,TypeDef,Args}}, Mf) -> {attribute,Mf(L),type,{TypeName,modify_line1(TypeDef, Mf), modify_line1(Args, Mf)}}; diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index bd5d65a1e1..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 @@ -62,7 +62,7 @@ char integer float atom string var '==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<=' '<<' '>>' '!' '=' '::' '..' '...' -'spec' % helper +'spec' 'callback' % helper dot. Expect 2. @@ -77,6 +77,7 @@ attribute -> '-' atom attr_val : build_attribute('$2', '$3'). attribute -> '-' atom typed_attr_val : build_typed_attribute('$2','$3'). attribute -> '-' atom '(' typed_attr_val ')' : build_typed_attribute('$2','$4'). attribute -> '-' 'spec' type_spec : build_type_spec('$2', '$3'). +attribute -> '-' 'callback' type_spec : build_type_spec('$2', '$3'). type_spec -> spec_fun type_sigs : {'$1', '$2'}. type_spec -> '(' spec_fun type_sigs ')' : {'$2', '$3'}. @@ -394,11 +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' | '$3']. @@ -549,6 +556,8 @@ Erlang code. ErrorInfo :: error_info(). parse_form([{'-',L1},{atom,L2,spec}|Tokens]) -> parse([{'-',L1},{'spec',L2}|Tokens]); +parse_form([{'-',L1},{atom,L2,callback}|Tokens]) -> + parse([{'-',L1},{'callback',L2}|Tokens]); parse_form(Tokens) -> parse(Tokens). @@ -603,7 +612,8 @@ build_typed_attribute({atom,La,Attr},_) -> _ -> ret_err(La, "bad attribute") end. -build_type_spec({spec,La}, {SpecFun, TypeSpecs}) -> +build_type_spec({Kind,La}, {SpecFun, TypeSpecs}) + when (Kind =:= spec) or (Kind =:= callback) -> NewSpecFun = case SpecFun of {atom, _, Fun} -> @@ -617,7 +627,7 @@ build_type_spec({spec,La}, {SpecFun, TypeSpecs}) -> %% Old style spec. Allow this for now. {Mod,Fun,Arity} end, - {attribute,La,spec,{NewSpecFun, TypeSpecs}}. + {attribute,La,Kind,{NewSpecFun, TypeSpecs}}. find_arity_from_specs([Spec|_]) -> %% Use the first spec to find the arity. If all are not the same, diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index 7dc19f2e9b..6b5aa951cf 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -457,8 +457,16 @@ lexpr({'fun',_,{function,F,A}}, _Prec, _Hook) -> leaf(format("fun ~w/~w", [F,A])); lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Hook) -> {force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))}; -lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) -> +lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) + when is_atom(M), is_atom(F), is_integer(A) -> + %% For backward compatibility with pre-R15 abstract format. leaf(format("fun ~w:~w/~w", [M,F,A])); +lexpr({'fun',_,{function,M,F,A}}, _Prec, Hook) -> + %% New format in R15. + NameItem = lexpr(M, Hook), + CallItem = lexpr(F, Hook), + ArityItem = lexpr(A, Hook), + ["fun ",NameItem,$:,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_event.erl b/lib/stdlib/src/gen_event.erl index d1dd074fba..9879b76391 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -36,8 +36,6 @@ add_handler/3, add_sup_handler/3, delete_handler/3, swap_handler/3, swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/4]). --export([behaviour_info/1]). - -export([init_it/6, system_continue/3, system_terminate/4, @@ -60,14 +58,6 @@ %%% API %%%========================================================================= --spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}]. - -behaviour_info(callbacks) -> - [{init,1},{handle_event,2},{handle_call,2},{handle_info,2}, - {terminate,2},{code_change,3}]; -behaviour_info(_Other) -> - undefined. - %% gen_event:start(Handler) -> {ok, Pid} | {error, What} %% gen_event:add_handler(Handler, Mod, Args) -> ok | Other %% gen_event:notify(Handler, Event) -> ok @@ -78,41 +68,36 @@ behaviour_info(_Other) -> %% gen_event:which_handler(Handler) -> [Mod] %% gen_event:stop(Handler) -> ok - -%% handlers must export -%% Mod:init(Args) -> {ok, State} | Other -%% Mod:handle_event(Event, State) -> -%% {ok, State'} | remove_handler | {swap_handler,Args1,State1,Mod2,Args2} -%% Mod:handle_info(Info, State) -> -%% {ok, State'} | remove_handler | {swap_handler,Args1,State1,Mod2,Args2} -%% Mod:handle_call(Query, State) -> -%% {ok, Reply, State'} | {remove_handler, Reply} | -%% {swap_handler, Reply, Args1,State1,Mod2,Args2} -%% Mod:terminate(Args, State) -> Val - - -%% add_handler(H, Mod, Args) -> ok | Other -%% Mod:init(Args) -> {ok, State} | Other - -%% delete_handler(H, Mod, Args) -> Val -%% Mod:terminate(Args, State) -> Val - -%% notify(H, Event) -%% Mod:handle_event(Event, State) -> -%% {ok, State1} -%% remove_handler -%% Mod:terminate(remove_handler, State) is called -%% the return value is ignored -%% {swap_handler, Args1, State1, Mod2, Args2} -%% State2 = Mod:terminate(Args1, State1) is called -%% the return value is chained into the new module and -%% Mod2:init({Args2, State2}) is called -%% Other -%% Mod:terminate({error, Other}, State) is called -%% The return value is ignored -%% call(H, Mod, Query) -> Val -%% call(H, Mod, Query, Timeout) -> Val -%% Mod:handle_call(Query, State) -> as above +-callback init(InitArgs :: term()) -> + {ok, State :: term()} | + {ok, State :: term(), hibernate}. +-callback handle_event(Event :: term(), State :: term()) -> + {ok, NewState :: term()} | + {ok, NewState :: term(), hibernate} | + {swap_handler, Args1 :: term(), NewState :: term(), + Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} | + remove_handler. +-callback handle_call(Request :: term(), State :: term()) -> + {ok, Reply :: term(), NewState :: term()} | + {ok, Reply :: term(), NewState :: term(), hibernate} | + {swap_handler, Reply :: term(), Args1 :: term(), NewState :: term(), + Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} | + {remove_handler, Reply :: term()}. +-callback handle_info(Info :: term(), State :: term()) -> + {ok, NewState :: term()} | + {ok, NewState :: term(), hibernate} | + {swap_handler, Args1 :: term(), NewState :: term(), + Handler2 :: (atom() | {atom(), Id :: term()}), Args2 :: term()} | + remove_handler. +-callback terminate(Args :: (term() | {stop, Reason :: term()} | + stop | remove_handler | + {error, {'EXIT', Reason :: term()}} | + {error, term()}), + State :: term()) -> + term(). +-callback code_change(OldVsn :: (term() | {down, term()}), + State :: term(), Extra :: term()) -> + {ok, NewState :: term()}. %%--------------------------------------------------------------------------- diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index ea21136bdb..3db8c9f4f2 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -113,8 +113,6 @@ start_timer/2,send_event_after/2,cancel_timer/1, enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/6]). --export([behaviour_info/1]). - %% Internal exports -export([init_it/6, system_continue/3, @@ -128,13 +126,38 @@ %%% Interface functions. %%% --------------------------------------------------- --spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}]. - -behaviour_info(callbacks) -> - [{init,1},{handle_event,3},{handle_sync_event,4},{handle_info,3}, - {terminate,3},{code_change,4}]; -behaviour_info(_Other) -> - undefined. +-callback init(Args :: term()) -> + {ok, StateName :: atom(), StateData :: term()} | + {ok, StateName :: atom(), StateData :: term(), timeout() | hibernate} | + {stop, Reason :: term()} | ignore. +-callback handle_event(Event :: term(), StateName :: atom(), + StateData :: term()) -> + {next_state, NextStateName :: atom(), NewStateData :: term()} | + {next_state, NextStateName :: atom(), NewStateData :: term(), + timeout() | hibernate} | + {stop, Reason :: term(), NewStateData :: term()}. +-callback handle_sync_event(Event :: term(), From :: {pid(), Tag :: term()}, + StateName :: atom(), StateData :: term()) -> + {reply, Reply :: term(), NextStateName :: atom(), NewStateData :: term()} | + {reply, Reply :: term(), NextStateName :: atom(), NewStateData :: term(), + timeout() | hibernate} | + {next_state, NextStateName :: atom(), NewStateData :: term()} | + {next_state, NextStateName :: atom(), NewStateData :: term(), + timeout() | hibernate} | + {stop, Reason :: term(), Reply :: term(), NewStateData :: term()} | + {stop, Reason :: term(), NewStateData :: term()}. +-callback handle_info(Info :: term(), StateName :: atom(), + StateData :: term()) -> + {next_state, NextStateName :: atom(), NewStateData :: term()} | + {next_state, NextStateName :: atom(), NewStateData :: term(), + timeout() | hibernate} | + {stop, Reason :: normal | term(), NewStateData :: term()}. +-callback terminate(Reason :: normal | shutdown | {shutdown, term()} + | term(), StateName :: atom(), StateData :: term()) -> + term(). +-callback code_change(OldVsn :: term() | {down, term()}, StateName :: atom(), + StateData :: term(), Extra :: term()) -> + {ok, NextStateName :: atom(), NewStateData :: term()}. %%% --------------------------------------------------- %%% Starts a generic state machine. diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index b8ea3a4de2..dd0ef74f30 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -94,8 +94,6 @@ multi_call/2, multi_call/3, multi_call/4, enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/5]). --export([behaviour_info/1]). - %% System exports -export([system_continue/3, system_terminate/4, @@ -111,13 +109,32 @@ %%% API %%%========================================================================= --spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}]. - -behaviour_info(callbacks) -> - [{init,1},{handle_call,3},{handle_cast,2},{handle_info,2}, - {terminate,2},{code_change,3}]; -behaviour_info(_Other) -> - undefined. +-callback init(Args :: term()) -> + {ok, State :: term()} | {ok, State :: term(), timeout() | hibernate} | + {stop, Reason :: term()} | ignore. +-callback handle_call(Request :: term(), From :: {pid(), Tag :: term()}, + State :: term()) -> + {reply, Reply :: term(), NewState :: term()} | + {reply, Reply :: term(), NewState :: term(), timeout() | hibernate} | + {noreply, NewState :: term()} | + {noreply, NewState :: term(), timeout() | hibernate} | + {stop, Reason :: term(), Reply :: term(), NewState :: term()} | + {stop, Reason :: term(), NewState :: term()}. +-callback handle_cast(Request :: term(), State :: term()) -> + {noreply, NewState :: term()} | + {noreply, NewState :: term(), timeout() | hibernate} | + {stop, Reason :: term(), NewState :: term()}. +-callback handle_info(Info :: timeout() | term(), State :: term()) -> + {noreply, NewState :: term()} | + {noreply, NewState :: term(), timeout() | hibernate} | + {stop, Reason :: term(), NewState :: term()}. +-callback terminate(Reason :: (normal | shutdown | {shutdown, term()} | + term()), + State :: term()) -> + term(). +-callback code_change(OldVsn :: (term() | {down, term()}), State :: term(), + Extra :: term()) -> + {ok, NewState :: term()}. %%% ----------------------------------------------------------------- %%% Starts a generic server. diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl index bba46e4cb6..e73c087753 100644 --- a/lib/stdlib/src/lists.erl +++ b/lib/stdlib/src/lists.erl @@ -628,9 +628,10 @@ keydelete3(_, _, []) -> []. -spec keyreplace(Key, N, TupleList1, NewTuple) -> TupleList2 when Key :: term(), N :: pos_integer(), - TupleList1 :: [tuple()], - TupleList2 :: [tuple()], - NewTuple :: tuple(). + TupleList1 :: [Tuple], + TupleList2 :: [Tuple], + NewTuple :: Tuple, + Tuple :: tuple(). keyreplace(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) -> keyreplace3(K, N, L, New). @@ -660,9 +661,10 @@ keytake(_K, _N, [], _L) -> false. -spec keystore(Key, N, TupleList1, NewTuple) -> TupleList2 when Key :: term(), N :: pos_integer(), - TupleList1 :: [tuple()], - TupleList2 :: [tuple(), ...], - NewTuple :: tuple(). + TupleList1 :: [Tuple], + TupleList2 :: [Tuple, ...], + NewTuple :: Tuple, + Tuple :: tuple(). keystore(K, N, L, New) when is_integer(N), N > 0, is_tuple(New) -> keystore2(K, N, L, New). @@ -740,8 +742,9 @@ keysort_1(_I, X, _EX, [], R) -> TupleList1 :: [T1], TupleList2 :: [T2], TupleList3 :: [(T1 | T2)], - T1 :: tuple(), - T2 :: tuple(). + T1 :: Tuple, + T2 :: Tuple, + Tuple :: tuple(). keymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> case L2 of @@ -842,8 +845,9 @@ ukeysort_1(_I, X, _EX, []) -> TupleList1 :: [T1], TupleList2 :: [T2], TupleList3 :: [(T1 | T2)], - T1 :: tuple(), - T2 :: tuple(). + T1 :: Tuple, + T2 :: Tuple, + Tuple :: tuple(). ukeymerge(Index, L1, T2) when is_integer(Index), Index > 0 -> case L1 of @@ -873,8 +877,9 @@ rukeymerge(Index, T1, L2) when is_integer(Index), Index > 0 -> -spec keymap(Fun, N, TupleList1) -> TupleList2 when Fun :: fun((Term1 :: term()) -> Term2 :: term()), N :: pos_integer(), - TupleList1 :: [tuple()], - TupleList2 :: [tuple()]. + TupleList1 :: [Tuple], + TupleList2 :: [Tuple], + Tuple :: tuple(). keymap(Fun, Index, [Tup|Tail]) -> [setelement(Index, Tup, Fun(element(Index, Tup)))|keymap(Fun, Index, Tail)]; 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/random.erl b/lib/stdlib/src/random.erl index dbb524cc74..d7b51a151c 100644 --- a/lib/stdlib/src/random.erl +++ b/lib/stdlib/src/random.erl @@ -26,6 +26,10 @@ -export([seed/0, seed/1, seed/3, uniform/0, uniform/1, uniform_s/1, uniform_s/2, seed0/0]). +-define(PRIME1, 30269). +-define(PRIME2, 30307). +-define(PRIME3, 30323). + %%----------------------------------------------------------------------- %% The type of the state @@ -44,7 +48,11 @@ seed0() -> -spec seed() -> ran(). seed() -> - reseed(seed0()). + case seed_put(seed0()) of + undefined -> seed0(); + {_,_,_} = Tuple -> Tuple + end. + %% seed({A1, A2, A3}) %% Seed random number generation @@ -66,17 +74,15 @@ seed({A1, A2, A3}) -> A3 :: integer(). seed(A1, A2, A3) -> - put(random_seed, - {abs(A1) rem 30269, abs(A2) rem 30307, abs(A3) rem 30323}). + seed_put({(abs(A1) rem (?PRIME1-1)) + 1, % Avoid seed numbers that are + (abs(A2) rem (?PRIME2-1)) + 1, % even divisors of the + (abs(A3) rem (?PRIME3-1)) + 1}). % corresponding primes. --spec reseed(ran()) -> ran(). - -reseed({A1, A2, A3}) -> - case seed(A1, A2, A3) of - undefined -> seed0(); - {_,_,_} = Tuple -> Tuple - end. +-spec seed_put(ran()) -> 'undefined' | ran(). + +seed_put(Seed) -> + put(random_seed, Seed). %% uniform() %% Returns a random float between 0 and 1. @@ -88,11 +94,11 @@ uniform() -> undefined -> seed0(); Tuple -> Tuple end, - B1 = (A1*171) rem 30269, - B2 = (A2*172) rem 30307, - B3 = (A3*170) rem 30323, + B1 = (A1*171) rem ?PRIME1, + B2 = (A2*172) rem ?PRIME2, + B3 = (A3*170) rem ?PRIME3, put(random_seed, {B1,B2,B3}), - R = A1/30269 + A2/30307 + A3/30323, + R = B1/?PRIME1 + B2/?PRIME2 + B3/?PRIME3, R - trunc(R). %% uniform(N) -> I @@ -116,10 +122,10 @@ uniform(N) when is_integer(N), N >= 1 -> State1 :: ran(). uniform_s({A1, A2, A3}) -> - B1 = (A1*171) rem 30269, - B2 = (A2*172) rem 30307, - B3 = (A3*170) rem 30323, - R = A1/30269 + A2/30307 + A3/30323, + B1 = (A1*171) rem ?PRIME1, + B2 = (A2*172) rem ?PRIME2, + B3 = (A3*170) rem ?PRIME3, + R = B1/?PRIME1 + B2/?PRIME2 + B3/?PRIME3, {R - trunc(R), {B1,B2,B3}}. %% uniform_s(N, State) -> {I, NewState} diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index 36cc7f4f4b..f20ea18fd0 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -27,8 +27,6 @@ which_children/1, count_children/1, check_childspecs/1]). --export([behaviour_info/1]). - %% Internal exports -export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3]). -export([handle_cast/2]). @@ -90,14 +88,12 @@ -define(is_simple(State), State#state.strategy =:= simple_one_for_one). -%%-------------------------------------------------------------------------- - --spec behaviour_info(atom()) -> 'undefined' | [{atom(), arity()}]. - -behaviour_info(callbacks) -> - [{init,1}]; -behaviour_info(_Other) -> - undefined. +-callback init(Args :: term()) -> + {ok, {{RestartStrategy :: strategy(), + MaxR :: non_neg_integer(), + MaxT :: non_neg_integer()}, + [ChildSpec :: child_spec()]}} + | ignore. %%% --------------------------------------------------- %%% This is a general process supervisor built upon gen_server.erl. @@ -519,9 +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. @@ -834,8 +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. %%----------------------------------------------------------------- @@ -1057,7 +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}). @@ -1138,12 +1238,19 @@ report_error(Error, Reason, Child, SupName) -> error_logger:error_report(supervisor_report, ErrorMsg). -extract_child(Child) -> +extract_child(Child) when is_pid(Child#child.pid) -> [{pid, 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) -> + [{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}]. report_progress(Child, SupName) -> diff --git a/lib/stdlib/src/supervisor_bridge.erl b/lib/stdlib/src/supervisor_bridge.erl index 555cb5a66f..e8405ab9a4 100644 --- a/lib/stdlib/src/supervisor_bridge.erl +++ b/lib/stdlib/src/supervisor_bridge.erl @@ -22,15 +22,14 @@ %% External exports -export([start_link/2, start_link/3]). --export([behaviour_info/1]). %% Internal exports -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2]). -export([code_change/3]). -behaviour_info(callbacks) -> - [{init,1},{terminate,2}]; -behaviour_info(_Other) -> - undefined. +-callback init(Args :: term()) -> + {ok, Pid :: pid(), State :: term()} | ignore | {error, Error :: term()}. +-callback terminate(Reason :: (shutdown | term()), State :: term()) -> + Ignored :: term(). %%%----------------------------------------------------------------- %%% This is a rewrite of supervisor_bridge from BS.3. diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile index 5502c69fa5..aa6a660c34 100644 --- a/lib/stdlib/test/Makefile +++ b/lib/stdlib/test/Makefile @@ -65,6 +65,7 @@ MODULES= \ stdlib_SUITE \ string_SUITE \ supervisor_1 \ + supervisor_2 \ naughty_child \ shell_SUITE \ supervisor_SUITE \ diff --git a/lib/stdlib/test/dets_SUITE.erl b/lib/stdlib/test/dets_SUITE.erl index b569ed9003..6f77cff2b9 100644 --- a/lib/stdlib/test/dets_SUITE.erl +++ b/lib/stdlib/test/dets_SUITE.erl @@ -34,6 +34,8 @@ -define(datadir(Conf), ?config(data_dir, Conf)). -endif. +-compile(r13). % OTP-9607 + -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, not_run/1, newly_started/1, basic_v8/1, basic_v9/1, @@ -53,7 +55,7 @@ simultaneous_open/1, insert_new/1, repair_continuation/1, otp_5487/1, otp_6206/1, otp_6359/1, otp_4738/1, otp_7146/1, otp_8070/1, otp_8856/1, otp_8898/1, otp_8899/1, otp_8903/1, - otp_8923/1, otp_9282/1]). + otp_8923/1, otp_9282/1, otp_9607/1]). -export([dets_dirty_loop/0]). @@ -112,7 +114,7 @@ all() -> many_clients, otp_4906, otp_5402, simultaneous_open, insert_new, repair_continuation, otp_5487, otp_6206, otp_6359, otp_4738, otp_7146, otp_8070, otp_8856, otp_8898, - otp_8899, otp_8903, otp_8923, otp_9282] + otp_8899, otp_8903, otp_8923, otp_9282, otp_9607] end. groups() -> @@ -554,7 +556,11 @@ dets_dirty_loop() -> {From, [write, Name, Value]} -> Ret = dets:insert(Name, Value), From ! {self(), Ret}, - dets_dirty_loop() + dets_dirty_loop(); + {From, [close, Name]} -> + Ret = dets:close(Name), + From ! {self(), Ret}, + dets_dirty_loop() end. @@ -1568,8 +1574,10 @@ repair(Config, V) -> ?line FileSize = dets:info(TabRef, memory), ?line ok = dets:close(TabRef), crash(Fname, FileSize+20), - ?line {error, {bad_freelists, Fname}} = + %% Used to return bad_freelists, but that changed in OTP-9622 + ?line {ok, TabRef} = dets:open_file(TabRef, [{file,Fname},{version,V}]), + ?line ok = dets:close(TabRef), ?line file:delete(Fname), %% File not closed, opening with read and read_write access tried. @@ -1857,10 +1865,10 @@ fixtable(Config, Version) when is_list(Config) -> ?line {ok, _} = dets:open_file(T, Args), %% badarg - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:safe_fixtable(no_table,true)), - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[T,undefined],_}|_]}} = - (catch dets:safe_fixtable(T,undefined)), + ?line check_badarg(catch dets:safe_fixtable(no_table,true), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:safe_fixtable(T,undefined), + dets, safe_fixtable, [T,undefined]), %% The table is not allowed to grow while the elements are inserted: @@ -1940,22 +1948,22 @@ match(Config, Version) -> %% match, badarg MSpec = [{'_',[],['$_']}], - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:match(no_table, '_')), - ?line {'EXIT', {badarg, [{dets,match,[T,'_',not_a_number],_}|_]}} = - (catch dets:match(T, '_', not_a_number)), + ?line check_badarg(catch dets:match(no_table, '_'), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:match(T, '_', not_a_number), + dets, match, [T,'_',not_a_number]), ?line {EC1, _} = dets:select(T, MSpec, 1), - ?line {'EXIT', {badarg, [{dets,match,[EC1],_}|_]}} = - (catch dets:match(EC1)), + ?line check_badarg(catch dets:match(EC1), + dets, match, [EC1]), %% match_object, badarg - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:match_object(no_table, '_')), - ?line {'EXIT', {badarg, [{dets,match_object,[T,'_',not_a_number],_}|_]}} = - (catch dets:match_object(T, '_', not_a_number)), + ?line check_badarg(catch dets:match_object(no_table, '_'), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:match_object(T, '_', not_a_number), + dets, match_object, [T,'_',not_a_number]), ?line {EC2, _} = dets:select(T, MSpec, 1), - ?line {'EXIT', {badarg, [{dets,match_object,[EC2],_}|_]}} = - (catch dets:match_object(EC2)), + ?line check_badarg(catch dets:match_object(EC2), + dets, match_object, [EC2]), dets:safe_fixtable(T, true), ?line {[_, _], C1} = dets:match_object(T, '_', 2), @@ -2118,17 +2126,17 @@ select(Config, Version) -> %% badarg MSpec = [{'_',[],['$_']}], - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:select(no_table, MSpec)), - ?line {'EXIT', {badarg, [{dets,select,[T,<<17>>],_}|_]}} = - (catch dets:select(T, <<17>>)), - ?line {'EXIT', {badarg, [{dets,select,[T,[]],_}|_]}} = - (catch dets:select(T, [])), - ?line {'EXIT', {badarg, [{dets,select,[T,MSpec,not_a_number],_}|_]}} = - (catch dets:select(T, MSpec, not_a_number)), + ?line check_badarg(catch dets:select(no_table, MSpec), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:select(T, <<17>>), + dets, select, [T,<<17>>]), + ?line check_badarg(catch dets:select(T, []), + dets, select, [T,[]]), + ?line check_badarg(catch dets:select(T, MSpec, not_a_number), + dets, select, [T,MSpec,not_a_number]), ?line {EC, _} = dets:match(T, '_', 1), - ?line {'EXIT', {badarg, [{dets,select,[EC],_}|_]}} = - (catch dets:select(EC)), + ?line check_badarg(catch dets:select(EC), + dets, select, [EC]), AllSpec = [{'_',[],['$_']}], @@ -2210,8 +2218,8 @@ update_counter(Config) when is_list(Config) -> ?line file:delete(Fname), P0 = pps(), - ?line {'EXIT', {badarg, [{dets,update_counter,[no_table,1,1],_}|_]}} = - (catch dets:update_counter(no_table, 1, 1)), + ?line check_badarg(catch dets:update_counter(no_table, 1, 1), + dets, update_counter, [no_table,1,1]), Args = [{file,Fname},{keypos,2}], ?line {ok, _} = dets:open_file(T, [{type,set} | Args]), @@ -2254,67 +2262,66 @@ badarg(Config) when is_list(Config) -> %% badargs are tested in match, select and fixtable too. %% open - ?line {'EXIT', {badarg, [{dets,open_file,[{a,tuple},[]],_}|_]}} = - (catch dets:open_file({a,tuple},[])), - ?line {'EXIT', {badarg, [{dets,open_file,[{a,tuple}],_}|_]}} = - (catch dets:open_file({a,tuple})), - ?line {'EXIT', {badarg, [{dets,open_file,[file,[foo]],_}|_]}} = - (catch dets:open_file(file,[foo])), - ?line {'EXIT', {badarg,[{dets,open_file, - [{hej,san},[{type,set}|3]],_}|_]}} = - (catch dets:open_file({hej,san},[{type,set}|3])), + ?line check_badarg(catch dets:open_file({a,tuple},[]), + dets, open_file, [{a,tuple},[]]), + ?line check_badarg(catch dets:open_file({a,tuple}), + dets, open_file,[{a,tuple}]), + ?line check_badarg(catch dets:open_file(file,[foo]), + dets, open_file, [file,[foo]]), + ?line check_badarg(catch dets:open_file({hej,san},[{type,set}|3]), + dets, open_file, [{hej,san},[{type,set}|3]]), %% insert - ?line {'EXIT', {badarg, [{dets,insert,[no_table,{1,2}],_}|_]}} = - (catch dets:insert(no_table, {1,2})), - ?line {'EXIT', {badarg, [{dets,insert,[no_table,[{1,2}]],_}|_]}} = - (catch dets:insert(no_table, [{1,2}])), - ?line {'EXIT', {badarg, [{dets,insert,[T,{1,2}],_}|_]}} = - (catch dets:insert(T, {1,2})), - ?line {'EXIT', {badarg, [{dets,insert,[T,[{1,2}]],_}|_]}} = - (catch dets:insert(T, [{1,2}])), - ?line {'EXIT', {badarg, [{dets,insert,[T,[{1,2,3}|3]],_}|_]}} = - (catch dets:insert(T, [{1,2,3} | 3])), + ?line check_badarg(catch dets:insert(no_table, {1,2}), + dets, insert, [no_table,{1,2}]), + ?line check_badarg(catch dets:insert(no_table, [{1,2}]), + dets, insert, [no_table,[{1,2}]]), + ?line check_badarg(catch dets:insert(T, {1,2}), + dets, insert, [T,{1,2}]), + ?line check_badarg(catch dets:insert(T, [{1,2}]), + dets, insert, [T,[{1,2}]]), + ?line check_badarg(catch dets:insert(T, [{1,2,3} | 3]), + dets, insert, [T,[{1,2,3}|3]]), %% lookup{_keys} - ?line {'EXIT', {badarg, [{dets,lookup_keys,[badarg,[]],_}|_]}} = - (catch dets:lookup_keys(T, [])), - ?line {'EXIT', {badarg, [{dets,lookup,[no_table,1],_}|_]}} = - (catch dets:lookup(no_table, 1)), - ?line {'EXIT', {badarg, [{dets,lookup_keys,[T,[1|2]],_}|_]}} = - (catch dets:lookup_keys(T, [1 | 2])), + ?line check_badarg(catch dets:lookup_keys(T, []), + dets, lookup_keys, [badarg,[]]), + ?line check_badarg(catch dets:lookup(no_table, 1), + dets, lookup, [no_table,1]), + ?line check_badarg(catch dets:lookup_keys(T, [1 | 2]), + dets, lookup_keys, [T,[1|2]]), %% member - ?line {'EXIT', {badarg, [{dets,member,[no_table,1],_}|_]}} = - (catch dets:member(no_table, 1)), + ?line check_badarg(catch dets:member(no_table, 1), + dets, member, [no_table,1]), %% sync - ?line {'EXIT', {badarg, [{dets,sync,[no_table],_}|_]}} = - (catch dets:sync(no_table)), + ?line check_badarg(catch dets:sync(no_table), + dets, sync, [no_table]), %% delete{_keys} - ?line {'EXIT', {badarg, [{dets,delete,[no_table,1],_}|_]}} = - (catch dets:delete(no_table, 1)), + ?line check_badarg(catch dets:delete(no_table, 1), + dets, delete, [no_table,1]), %% delete_object - ?line {'EXIT', {badarg, [{dets,delete_object,[no_table,{1,2,3}],_}|_]}} = - (catch dets:delete_object(no_table, {1,2,3})), - ?line {'EXIT', {badarg, [{dets,delete_object,[T,{1,2}],_}|_]}} = - (catch dets:delete_object(T, {1,2})), - ?line {'EXIT', {badarg, [{dets,delete_object,[no_table,[{1,2,3}]],_}|_]}} = - (catch dets:delete_object(no_table, [{1,2,3}])), - ?line {'EXIT', {badarg, [{dets,delete_object,[T,[{1,2}]],_}|_]}} = - (catch dets:delete_object(T, [{1,2}])), - ?line {'EXIT', {badarg, [{dets,delete_object,[T,[{1,2,3}|3]],_}|_]}} = - (catch dets:delete_object(T, [{1,2,3} | 3])), + ?line check_badarg(catch dets:delete_object(no_table, {1,2,3}), + dets, delete_object, [no_table,{1,2,3}]), + ?line check_badarg(catch dets:delete_object(T, {1,2}), + dets, delete_object, [T,{1,2}]), + ?line check_badarg(catch dets:delete_object(no_table, [{1,2,3}]), + dets, delete_object, [no_table,[{1,2,3}]]), + ?line check_badarg(catch dets:delete_object(T, [{1,2}]), + dets, delete_object, [T,[{1,2}]]), + ?line check_badarg(catch dets:delete_object(T, [{1,2,3} | 3]), + dets, delete_object, [T,[{1,2,3}|3]]), %% first,next,slot - ?line {'EXIT', {badarg, [{dets,first,[no_table],_}|_]}} = - (catch dets:first(no_table)), - ?line {'EXIT', {badarg, [{dets,next,[no_table,1],_}|_]}} = - (catch dets:next(no_table, 1)), - ?line {'EXIT', {badarg, [{dets,slot,[no_table,0],_}|_]}} = - (catch dets:slot(no_table, 0)), + ?line check_badarg(catch dets:first(no_table), + dets, first, [no_table]), + ?line check_badarg(catch dets:next(no_table, 1), + dets, next, [no_table,1]), + ?line check_badarg(catch dets:slot(no_table, 0), + dets, slot, [no_table,0]), %% info ?line undefined = dets:info(no_table), @@ -2322,27 +2329,27 @@ badarg(Config) when is_list(Config) -> ?line undefined = dets:info(T, foo), %% match_delete - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:match_delete(no_table, '_')), + ?line check_badarg(catch dets:match_delete(no_table, '_'), + dets, safe_fixtable, [no_table,true]), %% delete_all_objects - ?line {'EXIT', {badarg, [{dets,delete_all_objects,[no_table],_}|_]}} = - (catch dets:delete_all_objects(no_table)), + ?line check_badarg(catch dets:delete_all_objects(no_table), + dets, delete_all_objects, [no_table]), %% select_delete MSpec = [{'_',[],['$_']}], - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:select_delete(no_table, MSpec)), - ?line {'EXIT', {badarg, [{dets,select_delete,[T, <<17>>],_}|_]}} = - (catch dets:select_delete(T, <<17>>)), + ?line check_badarg(catch dets:select_delete(no_table, MSpec), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:select_delete(T, <<17>>), + dets, select_delete, [T, <<17>>]), %% traverse, fold - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:traverse(no_table, fun(_) -> continue end)), - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:foldl(fun(_, A) -> A end, [], no_table)), - ?line {'EXIT', {badarg, [{dets,safe_fixtable,[no_table,true],_}|_]}} = - (catch dets:foldr(fun(_, A) -> A end, [], no_table)), + ?line check_badarg(catch dets:traverse(no_table, fun(_) -> continue end), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:foldl(fun(_, A) -> A end, [], no_table), + dets, safe_fixtable, [no_table,true]), + ?line check_badarg(catch dets:foldr(fun(_, A) -> A end, [], no_table), + dets, safe_fixtable, [no_table,true]), %% close ?line ok = dets:close(T), @@ -2350,15 +2357,16 @@ badarg(Config) when is_list(Config) -> ?line {error, not_owner} = dets:close(T), %% init_table - ?line {'EXIT', {badarg,[{dets,init_table,[no_table,_,[]],_}|_]}} = - (catch dets:init_table(no_table, fun(X) -> X end)), - ?line {'EXIT', {badarg,[{dets,init_table,[no_table,_,[]],_}|_]}} = - (catch dets:init_table(no_table, fun(X) -> X end, [])), + IF = fun(X) -> X end, + ?line check_badarg(catch dets:init_table(no_table, IF), + dets, init_table, [no_table,IF,[]]), + ?line check_badarg(catch dets:init_table(no_table, IF, []), + dets, init_table, [no_table,IF,[]]), %% from_ets Ets = ets:new(ets,[]), - ?line {'EXIT', {badarg,[{dets,from_ets,[no_table,_],_}|_]}} = - (catch dets:from_ets(no_table, Ets)), + ?line check_badarg(catch dets:from_ets(no_table, Ets), + dets, from_ets, [no_table,Ets]), ets:delete(Ets), ?line {ok, T} = dets:open_file(T, Args), @@ -3880,10 +3888,91 @@ some_calls(Tab, Config) -> ?line ok = dets:close(T), file:delete(File). +otp_9607(doc) -> + ["OTP-9607. Test downgrading the slightly changed format."]; +otp_9607(suite) -> + []; +otp_9607(Config) when is_list(Config) -> + %% Note: the bug is about almost full tables. The fix of that + %% problem is *not* tested here. + Version = r13b, + case ?t:is_release_available(atom_to_list(Version)) of + true -> + T = otp_9607, + File = filename(T, Config), + Key = a, + Value = 1, + Args = [{file,File}], + ?line {ok, T} = dets:open_file(T, Args), + ?line ok = dets:insert(T, {Key, Value}), + ?line ok = dets:close(T), + + ?line Call = fun(P, A) -> + P ! {self(), A}, + receive + {P, Ans} -> + Ans + after 5000 -> + exit(other_process_dead) + end + end, + %% Create a file on the modified format, read the file + %% with an emulator that doesn't know about the modified + %% format. + ?line {ok, Node} = start_node_rel(Version, Version, slave), + ?line Pid = rpc:call(Node, erlang, spawn, + [?MODULE, dets_dirty_loop, []]), + ?line {error,{needs_repair, File}} = + Call(Pid, [open, T, Args++[{repair,false}]]), + io:format("Expect repair:~n"), + ?line {ok, T} = Call(Pid, [open, T, Args]), + ?line [{Key,Value}] = Call(Pid, [read, T, Key]), + ?line ok = Call(Pid, [close, T]), + file:delete(File), + + %% Create a file on the unmodified format. Modify the file + %% using an emulator that must not turn the file into the + %% modified format. Read the file and make sure it is not + %% repaired. + ?line {ok, T} = Call(Pid, [open, T, Args]), + ?line ok = Call(Pid, [write, T, {Key,Value}]), + ?line [{Key,Value}] = Call(Pid, [read, T, Key]), + ?line ok = Call(Pid, [close, T]), + + Key2 = b, + Value2 = 2, + + ?line {ok, T} = dets:open_file(T, Args), + ?line [{Key,Value}] = dets:lookup(T, Key), + ?line ok = dets:insert(T, {Key2,Value2}), + ?line ok = dets:close(T), + + ?line {ok, T} = Call(Pid, [open, T, Args++[{repair,false}]]), + ?line [{Key2,Value2}] = Call(Pid, [read, T, Key2]), + ?line ok = Call(Pid, [close, T]), + + ?t:stop_node(Node), + file:delete(File), + ok; + false -> + {skipped, "No support for old node"} + end. + + + %% %% Parts common to several test cases %% +start_node_rel(Name, Rel, How) -> + Release = [{release, atom_to_list(Rel)}], + ?line Pa = filename:dirname(code:which(?MODULE)), + ?line test_server:start_node(Name, How, + [{args, + " -kernel net_setuptime 100 " + " -pa " ++ Pa}, + {erl, Release}]). + crash(File, Where) -> crash(File, Where, 10). @@ -4269,6 +4358,11 @@ bad_object({error,{{bad_object,_}, FileName}}, FileName) -> bad_object({error,{{{bad_object,_,_},_,_,_}, FileName}}, FileName) -> ok. % Debug. +check_badarg({'EXIT', {badarg, [{M,F,Args,_} | _]}}, M, F, Args) -> + true; +check_badarg({'EXIT', {badarg, [{M,F,A,_} | _]}}, M, F, Args) -> + true = test_server:is_native(M) andalso length(Args) =:= A. + check_pps(P0) -> case pps() of P0 -> diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl index 57f3f4eddb..f79414db49 100644 --- a/lib/stdlib/test/epp_SUITE.erl +++ b/lib/stdlib/test/epp_SUITE.erl @@ -20,7 +20,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). --export([rec_1/1, predef_mac/1, +-export([rec_1/1, include_local/1, predef_mac/1, upcase_mac_1/1, upcase_mac_2/1, variable_1/1, otp_4870/1, otp_4871/1, otp_5362/1, pmod/1, not_circular/1, skip_header/1, otp_6277/1, otp_7702/1, @@ -63,7 +63,7 @@ end_per_testcase(_, Config) -> suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [rec_1, {group, upcase_mac}, predef_mac, + [rec_1, {group, upcase_mac}, include_local, predef_mac, {group, variable}, otp_4870, otp_4871, otp_5362, pmod, not_circular, skip_header, otp_6277, otp_7702, otp_8130, overload_mac, otp_8388, otp_8470, otp_8503, otp_8562, @@ -97,6 +97,22 @@ rec_1(Config) when is_list(Config) -> ?line check_errors(List), ok. +include_local(doc) -> + []; +include_local(suite) -> + []; +include_local(Config) when is_list(Config) -> + ?line DataDir = ?config(data_dir, Config), + ?line File = filename:join(DataDir, "include_local.erl"), + %% include_local.erl includes include/foo.hrl which + %% includes bar.hrl (also in include/) without requiring + %% any additional include path, and overriding any file + %% of the same name that the path points to + ?line {ok, List} = epp:parse_file(File, [DataDir], []), + ?line {value, {attribute,_,a,{true,true}}} = + lists:keysearch(a,3,List), + ok. + %%% Here is a little reimplementation of epp:parse_file, which times out %%% after 4 seconds if the epp server doesn't respond. If we use the %%% regular epp:parse_file, the test case will time out, and then epp @@ -234,16 +250,23 @@ otp_4871(Config) when is_list(Config) -> %% so there are some sanity checks before killing. ?line {ok,Epp} = epp:open(File, []), timer:sleep(1), - ?line {current_function,{epp,_,_}} = process_info(Epp, current_function), + ?line true = current_module(Epp, epp), ?line {monitored_by,[Io]} = process_info(Epp, monitored_by), - ?line {current_function,{file_io_server,_,_}} = - process_info(Io, current_function), + ?line true = current_module(Io, file_io_server), ?line exit(Io, emulate_crash), timer:sleep(1), ?line {error,{_Line,epp,cannot_parse}} = otp_4871_parse_file(Epp), ?line epp:close(Epp), ok. +current_module(Pid, Mod) -> + case process_info(Pid, current_function) of + {current_function, undefined} -> + true = test_server:is_native(Mod); + {current_function, {Mod, _, _}} -> + true + end. + otp_4871_parse_file(Epp) -> case epp:parse_erl_form(Epp) of {ok,_} -> otp_4871_parse_file(Epp); diff --git a/lib/stdlib/test/epp_SUITE_data/bar.hrl b/lib/stdlib/test/epp_SUITE_data/bar.hrl new file mode 100644 index 0000000000..01c527d549 --- /dev/null +++ b/lib/stdlib/test/epp_SUITE_data/bar.hrl @@ -0,0 +1,4 @@ +%% should not be included from include/foo.hrl even though the +%% include path points here - include/bar.hrl overrides it + +-define(BAR_HRL, false). diff --git a/lib/stdlib/test/epp_SUITE_data/include/bar.hrl b/lib/stdlib/test/epp_SUITE_data/include/bar.hrl new file mode 100644 index 0000000000..038d3c900e --- /dev/null +++ b/lib/stdlib/test/epp_SUITE_data/include/bar.hrl @@ -0,0 +1,3 @@ +%% included from foo.hrl in same directory + +-define(BAR_HRL, true). diff --git a/lib/stdlib/test/epp_SUITE_data/include/foo.hrl b/lib/stdlib/test/epp_SUITE_data/include/foo.hrl new file mode 100644 index 0000000000..a6dfa3d18a --- /dev/null +++ b/lib/stdlib/test/epp_SUITE_data/include/foo.hrl @@ -0,0 +1,4 @@ +%% includes bar.hrl in same directory + +-define(FOO_HRL, true). +-include("bar.hrl"). diff --git a/lib/stdlib/test/epp_SUITE_data/include_local.erl b/lib/stdlib/test/epp_SUITE_data/include_local.erl new file mode 100644 index 0000000000..c8e155a064 --- /dev/null +++ b/lib/stdlib/test/epp_SUITE_data/include_local.erl @@ -0,0 +1,6 @@ + +-module(include_local). + +-include("include/foo.hrl"). + +-a({?FOO_HRL, ?BAR_HRL}). diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl index 784c7cb86e..369d8b224e 100644 --- a/lib/stdlib/test/erl_eval_SUITE.erl +++ b/lib/stdlib/test/erl_eval_SUITE.erl @@ -1036,6 +1036,12 @@ funs(Config) when is_list(Config) -> lists:usort([run_many_args(SAs) || SAs <- many_args(MaxArgs)]), ?line {'EXIT',{{argument_limit,_},_}} = (catch run_many_args(many_args1(MaxArgs+1))), + + ?line check(fun() -> M = lists, F = fun M:reverse/1, + [1,2] = F([2,1]), ok end, + "begin M = lists, F = fun M:reverse/1," + " [1,2] = F([2,1]), ok end.", + ok), ok. run_many_args({S, As}) -> diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 280c95b1aa..64853ca078 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -116,7 +116,6 @@ func(Config) when is_list(Config) -> {func_3, <<"t() -> fun t/0.">>}, {func_4, - %% Has already been expanded away in sys_pre_expand. <<"t() -> fun modul:foo/3.">>}, {func_5, % 'when' is moved down one line <<"tkjlksjflksdjflsdjlk() @@ -127,7 +126,9 @@ func(Config) when is_list(Config) -> <<"t() -> (fun() -> true - end)().">>} + end)().">>}, + {func_7, + <<"t(M, F, A) -> fun M:F/A.">>} ], ?line compile(Config, Ts), ok. diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index e048764a55..2f4958760b 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -795,21 +795,26 @@ t_ets_dets(Config, Opts) -> ?line true = ets:from_dets(ETab,DTab), ?line 3000 = ets:info(ETab,size), ?line ets:delete(ETab), - ?line {'EXIT',{badarg,[{ets,to_dets,[ETab,DTab],_}|_]}} = - (catch ets:to_dets(ETab,DTab)), - ?line {'EXIT',{badarg,[{ets,from_dets,[ETab,DTab],_}|_]}} = - (catch ets:from_dets(ETab,DTab)), + ?line check_badarg(catch ets:to_dets(ETab,DTab), + ets, to_dets, [ETab,DTab]), + ?line check_badarg(catch ets:from_dets(ETab,DTab), + ets, from_dets, [ETab,DTab]), ?line ETab2 = ets_new(x,Opts), ?line filltabint(ETab2,3000), ?line dets:close(DTab), - ?line {'EXIT',{badarg,[{ets,to_dets,[ETab2,DTab],_}|_]}} = - (catch ets:to_dets(ETab2,DTab)), - ?line {'EXIT',{badarg,[{ets,from_dets,[ETab2,DTab],_}|_]}} = - (catch ets:from_dets(ETab2,DTab)), + ?line check_badarg(catch ets:to_dets(ETab2,DTab), + ets, to_dets, [ETab2,DTab]), + ?line check_badarg(catch ets:from_dets(ETab2,DTab), + ets, from_dets, [ETab2,DTab]), ?line ets:delete(ETab2), ?line (catch file:delete(Fname)), ok. +check_badarg({'EXIT', {badarg, [{M,F,Args,_} | _]}}, M, F, Args) -> + true; +check_badarg({'EXIT', {badarg, [{M,F,A,_} | _]}}, M, F, Args) -> + true = test_server:is_native(M) andalso length(Args) =:= A. + t_delete_all_objects(doc) -> ["Test ets:delete_all_objects/1"]; t_delete_all_objects(suite) -> diff --git a/lib/stdlib/test/ms_transform_SUITE.erl b/lib/stdlib/test/ms_transform_SUITE.erl index 4e5df12798..c9688354b1 100644 --- a/lib/stdlib/test/ms_transform_SUITE.erl +++ b/lib/stdlib/test/ms_transform_SUITE.erl @@ -39,6 +39,7 @@ -export([float_1_function/1]). -export([action_function/1]). -export([warnings/1]). +-export([no_warnings/1]). -export([init_per_testcase/2, end_per_testcase/2]). init_per_testcase(_Func, Config) -> @@ -55,7 +56,7 @@ all() -> [from_shell, basic_ets, basic_dbg, records, record_index, multipass, bitsyntax, record_defaults, andalso_orelse, float_1_function, action_function, - warnings, top_match, old_guards, autoimported, + warnings, no_warnings, top_match, old_guards, autoimported, semicolon]. groups() -> @@ -155,6 +156,34 @@ warnings(Config) when is_list(Config) -> compile_ww(Prog7), ok. +no_warnings(suite) -> + []; +no_warnings(doc) -> + ["Check that variables bound in other function clauses don't generate " + "warning"]; +no_warnings(Config) when is_list(Config) -> + ?line setup(Config), + Prog = <<"tmp(X) when X > 100 ->\n", + " Y=X,\n" + " Y;\n" + "tmp(X) ->\n" + " ets:fun2ms(fun(Y) ->\n" + " {X, 3*Y}\n" + " end)">>, + ?line [] = compile_no_ww(Prog), + + Prog2 = <<"tmp(X) when X > 100 ->\n", + " Y=X,\n" + " Y;\n" + "tmp(X) when X < 200 ->\n" + " ok;\n" + "tmp(X) ->\n" + " ets:fun2ms(fun(Y) ->\n" + " {X, 3*Y}\n" + " end)">>, + ?line [] = compile_no_ww(Prog2), + ok. + andalso_orelse(suite) -> []; andalso_orelse(doc) -> @@ -842,6 +871,20 @@ compile_ww(Records,Expr) -> nowarn_unused_record]), Wlist. +compile_no_ww(Expr) -> + Prog = << + "-module(tmp).\n", + "-include_lib(\"stdlib/include/ms_transform.hrl\").\n", + "-export([tmp/1]).\n\n", + Expr/binary,".\n">>, + FN=temp_name(), + file:write_file(FN,Prog), + {ok,Forms} = epp:parse_file(FN,"",""), + {ok,tmp,_Bin,Wlist} = compile:forms(Forms,[return_warnings, + nowarn_unused_vars, + nowarn_unused_record]), + Wlist. + do_eval(String) -> {done,{ok,T,_},[]} = erl_scan:tokens( [], diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl index 98eeaee118..8a9d8f7883 100644 --- a/lib/stdlib/test/qlc_SUITE.erl +++ b/lib/stdlib/test/qlc_SUITE.erl @@ -6632,7 +6632,7 @@ otp_7232(Config) when is_list(Config) -> {call,_, {remote,_,{atom,_,qlc},{atom,_,sort}}, [{cons,_, - {'fun',_,{function,math,sqrt,_}}, + {'fun',_,{function,{atom,_,math},{atom,_,sqrt},_}}, {cons,_, {string,_,\"<0.4.1>\"}, % could use list_to_pid.. {cons,_,{string,_,\"#Ref<\"++_},{nil,_}}}}, diff --git a/lib/stdlib/test/supervisor_2.erl b/lib/stdlib/test/supervisor_2.erl new file mode 100644 index 0000000000..67aacf5a9c --- /dev/null +++ b/lib/stdlib/test/supervisor_2.erl @@ -0,0 +1,42 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1996-2010. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% Description: Simulates the behaviour that a child process may have. +%% Is used by the supervisor_SUITE test suite. +-module(supervisor_2). + +-export([start_child/1, init/1]). + +-export([handle_call/3, handle_info/2, terminate/2]). + +start_child(Time) when is_integer(Time), Time > 0 -> + gen_server:start_link(?MODULE, Time, []). + +init(Time) -> + process_flag(trap_exit, true), + {ok, Time}. + +handle_call(Req, _From, State) -> + {reply, Req, State}. + +handle_info(_, State) -> + {noreply, State}. + +terminate(_Reason, Time) -> + timer:sleep(Time), + ok. diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl index 2aa3131aeb..e709cf62ba 100644 --- a/lib/stdlib/test/supervisor_SUITE.erl +++ b/lib/stdlib/test/supervisor_SUITE.erl @@ -52,7 +52,7 @@ one_for_all_escalation/1, simple_one_for_one/1, simple_one_for_one_escalation/1, rest_for_one/1, rest_for_one_escalation/1, - simple_one_for_one_extra/1]). + simple_one_for_one_extra/1, simple_one_for_one_shutdown/1]). %% Misc tests -export([child_unlink/1, tree/1, count_children_memory/1, @@ -99,8 +99,8 @@ groups() -> {restart_one_for_all, [], [one_for_all, one_for_all_escalation]}, {restart_simple_one_for_one, [], - [simple_one_for_one, simple_one_for_one_extra, - simple_one_for_one_escalation]}, + [simple_one_for_one, simple_one_for_one_shutdown, + simple_one_for_one_extra, simple_one_for_one_escalation]}, {restart_rest_for_one, [], [rest_for_one, rest_for_one_escalation]}]. @@ -209,8 +209,8 @@ sup_start_fail(Config) when is_list(Config) -> %%------------------------------------------------------------------------- sup_stop_infinity(doc) -> - ["See sup_stop/1 when Shutdown = infinity, this walue is only allowed " - "for children of type supervisor"]; + ["See sup_stop/1 when Shutdown = infinity, this walue is allowed " + "for children of type supervisor _AND_ worker"]; sup_stop_infinity(suite) -> []; sup_stop_infinity(Config) when is_list(Config) -> @@ -221,12 +221,13 @@ sup_stop_infinity(Config) when is_list(Config) -> Child2 = {child2, {supervisor_1, start_child, []}, permanent, infinity, worker, []}, {ok, CPid1} = supervisor:start_child(sup_test, Child1), + {ok, CPid2} = supervisor:start_child(sup_test, Child2), link(CPid1), - {error, {invalid_shutdown,infinity}} = - supervisor:start_child(sup_test, Child2), + link(CPid2), terminate(Pid, shutdown), - check_exit_reason(CPid1, shutdown). + check_exit_reason(CPid1, shutdown), + check_exit_reason(CPid2, shutdown). %%------------------------------------------------------------------------- @@ -458,9 +459,8 @@ child_specs(Config) when is_list(Config) -> B2 = {child, {m,f,[a]}, prmanent, 1000, worker, []}, B3 = {child, {m,f,[a]}, permanent, -10, worker, []}, B4 = {child, {m,f,[a]}, permanent, 10, wrker, []}, - B5 = {child, {m,f,[a]}, permanent, infinity, worker, []}, - B6 = {child, {m,f,[a]}, permanent, 1000, worker, dy}, - B7 = {child, {m,f,[a]}, permanent, 1000, worker, [1,2,3]}, + B5 = {child, {m,f,[a]}, permanent, 1000, worker, dy}, + B6 = {child, {m,f,[a]}, permanent, 1000, worker, [1,2,3]}, %% Correct child specs! %% <Modules> (last parameter in a child spec) can be [] as we do @@ -469,6 +469,7 @@ child_specs(Config) when is_list(Config) -> C2 = {child, {m,f,[a]}, permanent, 1000, supervisor, []}, C3 = {child, {m,f,[a]}, temporary, 1000, worker, dynamic}, C4 = {child, {m,f,[a]}, transient, 1000, worker, [m]}, + C5 = {child, {m,f,[a]}, permanent, infinity, worker, [m]}, {error, {invalid_mfa,mfa}} = supervisor:start_child(sup_test, B1), {error, {invalid_restart_type, prmanent}} = @@ -477,9 +478,8 @@ child_specs(Config) when is_list(Config) -> = supervisor:start_child(sup_test, B3), {error, {invalid_child_type,wrker}} = supervisor:start_child(sup_test, B4), - {error, _} = supervisor:start_child(sup_test, B5), {error, {invalid_modules,dy}} - = supervisor:start_child(sup_test, B6), + = supervisor:start_child(sup_test, B5), {error, {invalid_mfa,mfa}} = supervisor:check_childspecs([B1]), {error, {invalid_restart_type,prmanent}} = @@ -487,15 +487,15 @@ child_specs(Config) when is_list(Config) -> {error, {invalid_shutdown,-10}} = supervisor:check_childspecs([B3]), {error, {invalid_child_type,wrker}} = supervisor:check_childspecs([B4]), - {error, _} = supervisor:check_childspecs([B5]), - {error, {invalid_modules,dy}} = supervisor:check_childspecs([B6]), + {error, {invalid_modules,dy}} = supervisor:check_childspecs([B5]), {error, {invalid_module, 1}} = - supervisor:check_childspecs([B7]), + supervisor:check_childspecs([B6]), ok = supervisor:check_childspecs([C1]), ok = supervisor:check_childspecs([C2]), ok = supervisor:check_childspecs([C3]), ok = supervisor:check_childspecs([C4]), + ok = supervisor:check_childspecs([C5]), ok. %%------------------------------------------------------------------------- @@ -868,6 +868,38 @@ simple_one_for_one(Config) when is_list(Config) -> terminate(SupPid, Pid4, Id4, abnormal), check_exit([SupPid]). + +%%------------------------------------------------------------------------- +simple_one_for_one_shutdown(doc) -> + ["Test simple_one_for_one children shutdown accordingly to the " + "supervisor's shutdown strategy."]; +simple_one_for_one_shutdown(suite) -> []; +simple_one_for_one_shutdown(Config) when is_list(Config) -> + process_flag(trap_exit, true), + ShutdownTime = 1000, + Child = {child, {supervisor_2, start_child, []}, + permanent, 2*ShutdownTime, worker, []}, + {ok, SupPid} = start_link({ok, {{simple_one_for_one, 2, 3600}, [Child]}}), + + %% Will be gracefully shutdown + {ok, _CPid1} = supervisor:start_child(sup_test, [ShutdownTime]), + {ok, _CPid2} = supervisor:start_child(sup_test, [ShutdownTime]), + + %% Will be killed after 2*ShutdownTime milliseconds + {ok, _CPid3} = supervisor:start_child(sup_test, [5*ShutdownTime]), + + {T, ok} = timer:tc(fun terminate/2, [SupPid, shutdown]), + if T < 1000*ShutdownTime -> + %% Because supervisor's children wait before exiting, it can't + %% terminate quickly + test_server:fail({shutdown_too_short, T}); + T >= 1000*5*ShutdownTime -> + test_server:fail({shutdown_too_long, T}); + true -> + check_exit([SupPid]) + end. + + %%------------------------------------------------------------------------- simple_one_for_one_extra(doc) -> ["Tests automatic restart of children " diff --git a/lib/stdlib/test/unicode_SUITE.erl b/lib/stdlib/test/unicode_SUITE.erl index 9aa800209d..4055af2741 100644 --- a/lib/stdlib/test/unicode_SUITE.erl +++ b/lib/stdlib/test/unicode_SUITE.erl @@ -322,7 +322,7 @@ roundtrips(Config) when is_list(Config) -> ex_roundtrips(Config) when is_list(Config) -> ?line L1 = ranges(0, 16#D800 - 1, erlang:system_info(context_reductions) * 11), - ?line L2 = ranges(16#DFFF + 1, 16#FFFE - 1, + ?line L2 = ranges(16#DFFF + 1, 16#10000 - 1, erlang:system_info(context_reductions) * 11), %?line L3 = ranges(16#FFFF + 1, 16#10FFFF, % erlang:system_info(context_reductions) * 11), @@ -569,7 +569,6 @@ utf16_illegal_sequences_bif(Config) when is_list(Config) -> ex_utf16_illegal_sequences_bif(Config) when is_list(Config) -> ?line utf16_fail_range_bif_simple(16#10FFFF+1, 16#10FFFF+512), %Too large. ?line utf16_fail_range_bif(16#D800, 16#DFFF), %Reserved for UTF-16. - ?line utf16_fail_range_bif(16#FFFE, 16#FFFF), %Non-characters. ?line lonely_hi_surrogate_bif(16#D800, 16#DBFF,incomplete), ?line lonely_hi_surrogate_bif(16#DC00, 16#DFFF,error), @@ -644,7 +643,6 @@ utf8_illegal_sequences_bif(Config) when is_list(Config) -> ex_utf8_illegal_sequences_bif(Config) when is_list(Config) -> ?line fail_range_bif(16#10FFFF+1, 16#10FFFF+512), %Too large. ?line fail_range_bif(16#D800, 16#DFFF), %Reserved for UTF-16. - ?line fail_range_bif(16#FFFE, 16#FFFF), %Reserved (BOM). %% Illegal first character. ?line [fail_bif(<<I,16#8F,16#8F,16#8F>>,unicode) || I <- lists:seq(16#80, 16#BF)], |