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authorDan Gudmundsson <[email protected]>2014-04-29 10:09:08 +0200
committerDan Gudmundsson <[email protected]>2015-03-27 13:15:24 +0100
commita83bf960f1018217d7f3c9c8387a37722aa93fc6 (patch)
treefddad434266d4af2e4835d4b071be9a4c798f5ec /lib/mnesia/src/mnesia_frag.erl
parentbb7642ee5f326b25425634cfc40baa385f5ab3fa (diff)
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mnesia: Replace catch with try-catch
Avoids building stacktraces where it is not needed and do not mask errors, i.e. only catch the relevant classes in each try.
Diffstat (limited to 'lib/mnesia/src/mnesia_frag.erl')
-rw-r--r--lib/mnesia/src/mnesia_frag.erl59
1 files changed, 32 insertions, 27 deletions
diff --git a/lib/mnesia/src/mnesia_frag.erl b/lib/mnesia/src/mnesia_frag.erl
index 4a1616e054..747649de71 100644
--- a/lib/mnesia/src/mnesia_frag.erl
+++ b/lib/mnesia/src/mnesia_frag.erl
@@ -406,10 +406,11 @@ verify_numbers(FH,MatchSpec) ->
VerifyFun = fun(F) when is_integer(F), F >= 1, F =< N -> false;
(_F) -> true
end,
- case catch lists:filter(VerifyFun, FragNumbers) of
- [] ->
- FragNumbers;
- BadFrags ->
+ try
+ Frags = lists:filter(VerifyFun, FragNumbers),
+ Frags == [] orelse error(Frags),
+ FragNumbers
+ catch error:BadFrags ->
mnesia:abort({"match_spec_to_frag_numbers: Fragment numbers out of range",
BadFrags, {range, 1, N}})
end.
@@ -437,7 +438,7 @@ remote_select(ReplyTo, Ref, NameNodes, MatchSpec) ->
do_remote_select(ReplyTo, Ref, [{Name, Node} | NameNodes], MatchSpec) ->
if
Node == node() ->
- Res = (catch {ok, mnesia:dirty_select(Name, MatchSpec)}),
+ Res = ?CATCH({ok, mnesia:dirty_select(Name, MatchSpec)}),
ReplyTo ! {remote_select, Ref, Node, Res},
do_remote_select(ReplyTo, Ref, NameNodes, MatchSpec);
true ->
@@ -886,17 +887,19 @@ adjust_before_split(FH) ->
HashMod:add_frag(HashState)
end,
N = FH#frag_state.n_fragments + 1,
- FromFrags2 = (catch lists:sort(FromFrags)),
- UnionFrags = (catch lists:merge(FromFrags2, lists:sort(AdditionalWriteFrags))),
VerifyFun = fun(F) when is_integer(F), F >= 1, F =< N -> false;
(_F) -> true
end,
- case catch lists:filter(VerifyFun, UnionFrags) of
- [] ->
- FH2 = FH#frag_state{n_fragments = N,
- hash_state = HashState2},
- {FH2, FromFrags2, UnionFrags};
- BadFrags ->
+ try
+ FromFrags2 = lists:sort(FromFrags),
+ UnionFrags = lists:merge(FromFrags2, lists:sort(AdditionalWriteFrags)),
+
+ Frags = lists:filter(VerifyFun, UnionFrags),
+ Frags == [] orelse error(Frags),
+ FH2 = FH#frag_state{n_fragments = N,
+ hash_state = HashState2},
+ {FH2, FromFrags2, UnionFrags}
+ catch error:BadFrags ->
mnesia:abort({"add_frag: Fragment numbers out of range",
BadFrags, {range, 1, N}})
end.
@@ -981,22 +984,24 @@ adjust_before_merge(FH) ->
HashMod:del_frag(HashState)
end,
N = FH#frag_state.n_fragments,
- FromFrags2 = (catch lists:sort(FromFrags)),
- UnionFrags = (catch lists:merge(FromFrags2, lists:sort(AdditionalWriteFrags))),
VerifyFun = fun(F) when is_integer(F), F >= 1, F =< N -> false;
(_F) -> true
end,
- case catch lists:filter(VerifyFun, UnionFrags) of
- [] ->
- case lists:member(N, FromFrags2) of
- true ->
- FH2 = FH#frag_state{n_fragments = N - 1,
- hash_state = HashState2},
- {FH2, FromFrags2, UnionFrags};
+ try
+ FromFrags2 = lists:sort(FromFrags),
+ UnionFrags = lists:merge(FromFrags2, lists:sort(AdditionalWriteFrags)),
+
+ Frags = lists:filter(VerifyFun, UnionFrags),
+ [] == Frags orelse error(Frags),
+ case lists:member(N, FromFrags2) of
+ true ->
+ FH2 = FH#frag_state{n_fragments = N - 1,
+ hash_state = HashState2},
+ {FH2, FromFrags2, UnionFrags};
false ->
- mnesia:abort({"del_frag: Last fragment number not included", N})
- end;
- BadFrags ->
+ mnesia:abort({"del_frag: Last fragment number not included", N})
+ end
+ catch error:BadFrags ->
mnesia:abort({"del_frag: Fragment numbers out of range",
BadFrags, {range, 1, N}})
end.
@@ -1141,8 +1146,8 @@ remove_node(Node, Cs) ->
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
- Value -> Value
+ {'EXIT', _} -> mnesia_lib:other_val(Var);
+ Value -> Value
end.
set_frag_hash(Tab, Props) ->