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authorDan Gudmundsson <[email protected]>2015-03-27 13:17:24 +0100
committerDan Gudmundsson <[email protected]>2015-03-27 13:17:24 +0100
commitbe89d435fbde795bcdc62b99529c5f77d42c6b62 (patch)
tree17c3aa3e96b9a9949fb68ba436d5c497d0f32786 /lib/mnesia/src/mnesia_loader.erl
parentec5bdad811999470d1effd2e8e53942e34738f5c (diff)
parenta83bf960f1018217d7f3c9c8387a37722aa93fc6 (diff)
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Merge branch 'dgud/mnesia/try-catch'
* dgud/mnesia/try-catch: mnesia: Replace catch with try-catch
Diffstat (limited to 'lib/mnesia/src/mnesia_loader.erl')
-rw-r--r--lib/mnesia/src/mnesia_loader.erl64
1 files changed, 28 insertions, 36 deletions
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl
index cbb3d7e430..65ea743fd3 100644
--- a/lib/mnesia/src/mnesia_loader.erl
+++ b/lib/mnesia/src/mnesia_loader.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2014. 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
@@ -35,7 +35,7 @@
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
+ {'EXIT', _} -> mnesia_lib:other_val(Var);
Value -> Value
end.
@@ -332,7 +332,7 @@ wait_on_load_complete(Pid) ->
{Pid, Res} ->
Res;
{'EXIT', Pid, Reason} ->
- exit(Reason);
+ error(Reason);
Else ->
Pid ! Else,
wait_on_load_complete(Pid)
@@ -442,18 +442,18 @@ init_table(Tab, disc_only_copies, Fun, DetsInfo,Sender) ->
ErtsVer = erlang:system_info(version),
case DetsInfo of
{ErtsVer, DetsData} ->
- Res = (catch dets:is_compatible_bchunk_format(Tab, DetsData)),
- case Res of
- {'EXIT',{undef,[{dets,_,_,_}|_]}} ->
- Sender ! {self(), {old_protocol, Tab}},
- dets:init_table(Tab, Fun); %% Old dets version
- {'EXIT', What} ->
- exit(What);
+ try dets:is_compatible_bchunk_format(Tab, DetsData) of
false ->
Sender ! {self(), {old_protocol, Tab}},
dets:init_table(Tab, Fun); %% Old dets version
true ->
dets:init_table(Tab, Fun, [{format, bchunk}])
+ catch
+ error:{undef,[{dets,_,_,_}|_]} ->
+ Sender ! {self(), {old_protocol, Tab}},
+ dets:init_table(Tab, Fun); %% Old dets version
+ error:What ->
+ What
end;
Old when Old /= false ->
Sender ! {self(), {old_protocol, Tab}},
@@ -462,10 +462,10 @@ init_table(Tab, disc_only_copies, Fun, DetsInfo,Sender) ->
dets:init_table(Tab, Fun)
end;
init_table(Tab, _, Fun, _DetsInfo,_) ->
- case catch ets:init_table(Tab, Fun) of
- true ->
- ok;
- {'EXIT', Else} -> Else
+ try
+ true = ets:init_table(Tab, Fun),
+ ok
+ catch _:Else -> {Else, erlang:get_stacktrace()}
end.
@@ -572,9 +572,9 @@ handle_last({ram_copies, Tab}, _Type, DatBin) ->
down(Tab, Storage) ->
case Storage of
ram_copies ->
- catch ?ets_delete_table(Tab);
+ ?SAFE(?ets_delete_table(Tab));
disc_copies ->
- catch ?ets_delete_table(Tab);
+ ?SAFE(?ets_delete_table(Tab));
disc_only_copies ->
TmpFile = mnesia_lib:tab2tmp(Tab),
mnesia_lib:dets_sync_close(Tab),
@@ -658,26 +658,23 @@ send_table(Pid, Tab, RemoteS) ->
{Init, Chunk} = reader_funcs(UseDetsChunk, Tab, Storage, KeysPerTransfer),
SendIt = fun() ->
- prepare_copy(Pid, Tab, Storage),
+ {atomic, ok} = prepare_copy(Pid, Tab, Storage),
send_more(Pid, 1, Chunk, Init(), Tab),
finish_copy(Pid, Tab, Storage, RemoteS)
end,
- case catch SendIt() of
- receiver_died ->
+ try SendIt() of
+ {_, receiver_died} -> ok;
+ {atomic, no_more} -> ok
+ catch
+ throw:receiver_died ->
cleanup_tab_copier(Pid, Storage, Tab),
- unlink(whereis(mnesia_tm)),
ok;
- {_, receiver_died} ->
- unlink(whereis(mnesia_tm)),
- ok;
- {atomic, no_more} ->
- unlink(whereis(mnesia_tm)),
- ok;
- Reason ->
+ error:Reason -> %% Prepare failed
cleanup_tab_copier(Pid, Storage, Tab),
- unlink(whereis(mnesia_tm)),
- {error, Reason}
+ {error, {tab_copier, Tab, {Reason, erlang:get_stacktrace()}}}
+ after
+ unlink(whereis(mnesia_tm))
end
end.
@@ -690,12 +687,7 @@ prepare_copy(Pid, Tab, Storage) ->
mnesia_lib:db_fixtable(Storage, Tab, true),
ok
end,
- case mnesia:transaction(Trans) of
- {atomic, ok} ->
- ok;
- {aborted, Reason} ->
- exit({tab_copier_prepare, Tab, Reason})
- end.
+ mnesia:transaction(Trans).
update_where_to_write(Tab, Node) ->
case val({Tab, access_mode}) of
@@ -828,6 +820,6 @@ dat2bin(_Tab, _LocalS, _RemoteS) ->
nobin.
handle_exit(Pid, Reason) when node(Pid) == node() ->
- exit(Reason);
+ error(Reason);
handle_exit(_Pid, _Reason) -> %% Not from our node, this will be handled by
ignore. %% mnesia_down soon.