diff options
Diffstat (limited to 'lib/stdlib/src/ets.erl')
-rw-r--r-- | lib/stdlib/src/ets.erl | 51 |
1 files changed, 39 insertions, 12 deletions
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 42fa8ede92..29f907ad73 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -73,10 +73,13 @@ select_count/2, select_delete/2, select_replace/2, select_reverse/1, select_reverse/2, select_reverse/3, setopts/2, slot/2, take/2, - update_counter/3, update_counter/4, update_element/3]). + update_counter/3, update_counter/4, update_element/3, + whereis/1]). %% internal exports --export([internal_request_all/0]). +-export([internal_request_all/0, + internal_delete_all/2, + internal_select_delete/2]). -spec all() -> [Tab] when Tab :: tab(). @@ -115,7 +118,15 @@ delete(_, _) -> -spec delete_all_objects(Tab) -> true when Tab :: tab(). -delete_all_objects(_) -> +delete_all_objects(Tab) -> + _ = ets:internal_delete_all(Tab, undefined), + true. + +-spec internal_delete_all(Tab, undefined) -> NumDeleted when + Tab :: tab(), + NumDeleted :: non_neg_integer(). + +internal_delete_all(_, _) -> erlang:nif_error(undef). -spec delete_object(Tab, Object) -> true when @@ -145,6 +156,7 @@ give_away(_, _, _) -> InfoList :: [InfoTuple], InfoTuple :: {compressed, boolean()} | {heir, pid() | none} + | {id, tid()} | {keypos, pos_integer()} | {memory, non_neg_integer()} | {name, atom()} @@ -162,7 +174,7 @@ info(_) -> -spec info(Tab, Item) -> Value | undefined when Tab :: tab(), - Item :: compressed | fixed | heir | keypos | memory + Item :: compressed | fixed | heir | id | keypos | memory | name | named_table | node | owner | protection | safe_fixed | safe_fixed_monotonic_time | size | stats | type | write_concurrency | read_concurrency, @@ -376,7 +388,17 @@ select_count(_, _) -> MatchSpec :: match_spec(), NumDeleted :: non_neg_integer(). -select_delete(_, _) -> +select_delete(Tab, [{'_',[],[true]}]) -> + ets:internal_delete_all(Tab, undefined); +select_delete(Tab, MatchSpec) -> + ets:internal_select_delete(Tab, MatchSpec). + +-spec internal_select_delete(Tab, MatchSpec) -> NumDeleted when + Tab :: tab(), + MatchSpec :: match_spec(), + NumDeleted :: non_neg_integer(). + +internal_select_delete(_, _) -> erlang:nif_error(undef). -spec select_replace(Tab, MatchSpec) -> NumReplaced when @@ -512,6 +534,11 @@ update_counter(_, _, _, _) -> update_element(_, _, _) -> erlang:nif_error(undef). +-spec whereis(TableName) -> tid() | undefined when + TableName :: atom(). +whereis(_) -> + erlang:nif_error(undef). + %%% End of BIFs -opaque comp_match_spec() :: reference(). @@ -882,10 +909,10 @@ tab2file(Tab, File, Options) -> _ = disk_log:close(Name), _ = file:delete(File), exit(ExReason); - error:ErReason -> + error:ErReason:StackTrace -> _ = disk_log:close(Name), _ = file:delete(File), - erlang:raise(error,ErReason,erlang:get_stacktrace()) + erlang:raise(error,ErReason,StackTrace) end catch throw:TReason2 -> @@ -1060,9 +1087,9 @@ file2tab(File, Opts) -> exit:ExReason -> ets:delete(Tab), exit(ExReason); - error:ErReason -> + error:ErReason:StackTrace -> ets:delete(Tab), - erlang:raise(error,ErReason,erlang:get_stacktrace()) + erlang:raise(error,ErReason,StackTrace) end after _ = disk_log:close(Name) @@ -1719,7 +1746,7 @@ get_line(P, Default) -> line_string(Binary) when is_binary(Binary) -> unicode:characters_to_list(Binary); line_string(Other) -> Other. -nonl(S) -> string:strip(S, right, $\n). +nonl(S) -> string:trim(S, trailing, "$\n"). print_number(Tab, Key, Num) -> Os = ets:lookup(Tab, Key), @@ -1748,7 +1775,7 @@ do_display_item(_Height, Width, I, Opos) -> L = to_string(I), L2 = if length(L) > Width - 8 -> - string:substr(L, 1, Width-13) ++ " ..."; + string:slice(L, 0, Width-13) ++ " ..."; true -> L end, |