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-rw-r--r--lib/mnesia/src/mnesia_recover.erl55
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.