diff options
Diffstat (limited to 'lib/mnesia/src/mnesia.erl')
| -rw-r--r-- | lib/mnesia/src/mnesia.erl | 81 |
1 files changed, 38 insertions, 43 deletions
diff --git a/lib/mnesia/src/mnesia.erl b/lib/mnesia/src/mnesia.erl index 8f14831ad3..2fdc7afacd 100644 --- a/lib/mnesia/src/mnesia.erl +++ b/lib/mnesia/src/mnesia.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 1996-2014. 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/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% 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. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -145,7 +146,7 @@ %% Local function in order to avoid external function call val(Var) -> case ?catch_val(Var) of - {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason); + {'EXIT', _} -> mnesia_lib:other_val(Var); Value -> Value end. @@ -306,6 +307,8 @@ ms() -> -spec abort(_) -> no_return(). +abort(Reason = {aborted, _}) -> + exit(Reason); abort(Reason) -> exit({aborted, Reason}). @@ -807,7 +810,7 @@ next(Tid,Ts,Tab,Key) tid -> lock_table(Tid, Ts, Tab, read), do_fixtable(Tab,Ts), - New = (catch dirty_next(Tab,Key)), + New = ?CATCH(dirty_next(Tab,Key)), stored_keys(Tab,New,Key,Ts,next, val({Tab, setorbag})); _Protocol -> @@ -833,7 +836,7 @@ prev(Tid,Ts,Tab,Key) tid -> lock_table(Tid, Ts, Tab, read), do_fixtable(Tab,Ts), - New = (catch dirty_prev(Tab,Key)), + New = ?CATCH(dirty_prev(Tab,Key)), stored_keys(Tab,New,Key,Ts,prev, val({Tab, setorbag})); _Protocol -> @@ -965,7 +968,7 @@ foldl(Fun, Acc, Tab, LockKind) when is_function(Fun) -> foldl(ActivityId, Opaque, Fun, Acc, Tab, LockKind) -> {Type, Prev} = init_iteration(ActivityId, Opaque, Tab, LockKind), - Res = (catch do_foldl(ActivityId, Opaque, Tab, dirty_first(Tab), Fun, Acc, Type, Prev)), + Res = ?CATCH(do_foldl(ActivityId, Opaque, Tab, dirty_first(Tab), Fun, Acc, Type, Prev)), close_iteration(Res, Tab). do_foldl(A, O, Tab, '$end_of_table', Fun, RAcc, _Type, Stored) -> @@ -1011,7 +1014,7 @@ foldr(ActivityId, Opaque, Fun, Acc, Tab, LockKind) -> true -> %% Order doesn't matter for set and bag TempPrev %% Keep the order so we can use ordsets:del_element end, - Res = (catch do_foldr(ActivityId, Opaque, Tab, dirty_last(Tab), Fun, Acc, Type, Prev)), + Res = ?CATCH(do_foldr(ActivityId, Opaque, Tab, dirty_last(Tab), Fun, Acc, Type, Prev)), close_iteration(Res, Tab). do_foldr(A, O, Tab, '$end_of_table', Fun, RAcc, _Type, Stored) -> @@ -1626,13 +1629,7 @@ dirty_read(Oid) -> dirty_read(Tab, Key) when is_atom(Tab), Tab /= schema -> -%% case catch ?ets_lookup(Tab, Key) of -%% {'EXIT', _} -> - %% Bad luck, we have to perform a real lookup - dirty_rpc(Tab, mnesia_lib, db_get, [Tab, Key]); -%% Val -> -%% Val -%% end; + dirty_rpc(Tab, mnesia_lib, db_get, [Tab, Key]); dirty_read(Tab, _Key) -> abort({bad_type, Tab}). @@ -1905,21 +1902,21 @@ any_table_info(Tab, _Item) -> abort({bad_type, Tab}). raw_table_info(Tab, Item) -> - case ?catch_val({Tab, storage_type}) of - ram_copies -> - info_reply(catch ?ets_info(Tab, Item), Tab, Item); - disc_copies -> - info_reply(catch ?ets_info(Tab, Item), Tab, Item); - disc_only_copies -> - info_reply(catch dets:info(Tab, Item), Tab, Item); - unknown -> - bad_info_reply(Tab, Item); - {'EXIT', _} -> + try + case ?ets_lookup_element(mnesia_gvar, {Tab, storage_type}, 2) of + ram_copies -> + info_reply(?ets_info(Tab, Item), Tab, Item); + disc_copies -> + info_reply(?ets_info(Tab, Item), Tab, Item); + disc_only_copies -> + info_reply(dets:info(Tab, Item), Tab, Item); + unknown -> + bad_info_reply(Tab, Item) + end + catch error:_ -> bad_info_reply(Tab, Item) end. -info_reply({'EXIT', _Reason}, Tab, Item) -> - bad_info_reply(Tab, Item); info_reply({error, _Reason}, Tab, Item) -> bad_info_reply(Tab, Item); info_reply(Val, _Tab, _Item) -> @@ -2063,9 +2060,8 @@ storage_count(T, {U, R, D, DO}) -> end. system_info(Item) -> - case catch system_info2(Item) of - {'EXIT',Error} -> abort(Error); - Other -> Other + try system_info2(Item) + catch _:Error -> abort(Error) end. system_info2(all) -> @@ -2171,7 +2167,7 @@ system_info2(version) -> Version; false -> %% Ensure that it does not match - {mnesia_not_loaded, node(), now()} + {mnesia_not_loaded, node(), erlang:timestamp()} end; Version -> Version @@ -2381,11 +2377,10 @@ del_table_index(Tab, Ix) -> mnesia_schema:del_table_index(Tab, Ix). transform_table(Tab, Fun, NewA) -> - case catch val({Tab, record_name}) of - {'EXIT', Reason} -> - mnesia:abort(Reason); - OldRN -> - mnesia_schema:transform_table(Tab, Fun, NewA, OldRN) + try val({Tab, record_name}) of + OldRN -> mnesia_schema:transform_table(Tab, Fun, NewA, OldRN) + catch exit:Reason -> + mnesia:abort(Reason) end. transform_table(Tab, Fun, NewA, NewRN) -> @@ -2796,7 +2791,7 @@ pre_qlc(Opts, Tab) -> end. post_qlc(Tab) -> - case catch get(mnesia_activity_state) of + case get(mnesia_activity_state) of {_,#tid{},_} -> ok; _ -> case ?catch_val({Tab, setorbag}) of |