diff options
Diffstat (limited to 'lib/mnesia/src/mnesia_recover.erl')
-rw-r--r-- | lib/mnesia/src/mnesia_recover.erl | 55 |
1 files changed, 21 insertions, 34 deletions
diff --git a/lib/mnesia/src/mnesia_recover.erl b/lib/mnesia/src/mnesia_recover.erl index eeb4fa0ced..9420e57afa 100644 --- a/lib/mnesia/src/mnesia_recover.erl +++ b/lib/mnesia/src/mnesia_recover.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 1997-2014. 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% %% @@ -178,11 +179,8 @@ log_decision(D) -> val(Var) -> case ?catch_val(Var) of - {'EXIT', Reason} -> - case mnesia_lib:other_val(Var) of - error -> mnesia_lib:pr_other(Var, Reason); - Val -> Val - end; + {'EXIT', _Reason} -> + mnesia_lib:other_val(Var); Value -> Value end. @@ -373,11 +371,8 @@ log_master_nodes2([], _UseDir, IsRunning, WorstRes) -> get_master_node_info() -> Tab = mnesia_decision, Pat = {master_nodes, '_', '_'}, - case catch mnesia_lib:db_match_object(ram_copies,Tab, Pat) of - {'EXIT', _} -> - []; - Masters -> - Masters + try mnesia_lib:db_match_object(ram_copies,Tab, Pat) + catch error:_ -> [] end. get_master_node_tables() -> @@ -385,9 +380,8 @@ get_master_node_tables() -> [Tab || {master_nodes, Tab, _Nodes} <- Masters]. get_master_nodes(Tab) -> - case catch ?ets_lookup_element(mnesia_decision, Tab, 3) of - {'EXIT', _} -> []; - Nodes -> Nodes + try ?ets_lookup_element(mnesia_decision, Tab, 3) + catch error:_ -> [] end. %% Determine what has happened to the transaction @@ -485,8 +479,6 @@ load_decision_tab() -> load_decision_tab(Cont, load_decision_tab), mnesia_log:close_decision_tab(). -load_decision_tab(eof, _InitBy) -> - ok; load_decision_tab(Cont, InitBy) -> case mnesia_log:chunk_decision_tab(Cont) of {Cont2, Decisions} -> @@ -519,8 +511,6 @@ dump_decision_log(InitBy) -> Cont = mnesia_log:prepare_decision_log_dump(), perform_dump_decision_log(Cont, InitBy). -perform_dump_decision_log(eof, _InitBy) -> - confirm_decision_log_dump(); perform_dump_decision_log(Cont, InitBy) when InitBy == startup -> case mnesia_log:chunk_decision_log(Cont) of {Cont2, Decisions} -> @@ -1024,7 +1014,7 @@ decision(Tid) -> decision(Tid, tabs()). decision(Tid, [Tab | Tabs]) -> - case catch ?ets_lookup(Tab, Tid) of + try ?ets_lookup(Tab, Tid) of [D] when is_record(D, decision) -> D; [C] when is_record(C, transient_decision) -> @@ -1034,8 +1024,8 @@ decision(Tid, [Tab | Tabs]) -> ram_nodes = [] }; [] -> - decision(Tid, Tabs); - {'EXIT', _} -> + decision(Tid, Tabs) + catch error:_ -> %% Recently switched transient decision table decision(Tid, Tabs) end; @@ -1046,11 +1036,8 @@ outcome(Tid, Default) -> outcome(Tid, Default, tabs()). outcome(Tid, Default, [Tab | Tabs]) -> - case catch ?ets_lookup_element(Tab, Tid, 3) of - {'EXIT', _} -> - outcome(Tid, Default, Tabs); - Val -> - Val + try ?ets_lookup_element(Tab, Tid, 3) + catch error:_ -> outcome(Tid, Default, Tabs) end; outcome(_Tid, Default, []) -> Default. |