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-rw-r--r--lib/mnesia/src/mnesia_lib.erl136
1 files changed, 63 insertions, 73 deletions
diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl
index a32c69c59e..7bd207f816 100644
--- a/lib/mnesia/src/mnesia_lib.erl
+++ b/lib/mnesia/src/mnesia_lib.erl
@@ -114,9 +114,7 @@
lock_table/1,
mkcore/1,
not_active_here/1,
- other_val/2,
other_val/1,
- pr_other/2,
overload_read/0,
overload_read/1,
overload_set/2,
@@ -380,8 +378,8 @@ search_key(_Key, []) ->
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', _ReASoN_} -> mnesia_lib:other_val(Var, _ReASoN_);
- _VaLuE_ -> _VaLuE_
+ {'EXIT', _} -> other_val(Var);
+ _VaLuE_ -> _VaLuE_
end.
set(Var, Val) ->
@@ -390,13 +388,13 @@ set(Var, Val) ->
unset(Var) ->
?ets_delete(mnesia_gvar, Var).
-other_val(Var, Other) ->
- case other_val(Var) of
- error -> pr_other(Var, Other);
+other_val(Var) ->
+ case other_val_1(Var) of
+ error -> pr_other(Var);
Val -> Val
end.
-other_val(Var) ->
+other_val_1(Var) ->
case Var of
{_, where_to_read} -> nowhere;
{_, where_to_write} -> [];
@@ -404,21 +402,16 @@ other_val(Var) ->
_ -> error
end.
-pr_other(Var, Other) ->
- Why =
+pr_other(Var) ->
+ Why =
case is_running() of
no -> {node_not_running, node()};
_ -> {no_exists, Var}
end,
- verbose("~p (~p) val(mnesia_gvar, ~w) -> ~p ~p ~n",
+ verbose("~p (~p) val(mnesia_gvar, ~w) -> ~p ~n",
[self(), process_info(self(), registered_name),
- Var, Other, Why]),
- case Other of
- {badarg, [{ets, lookup_element, _, _}|_]} ->
- exit(Why);
- _ ->
- erlang:error(Why)
- end.
+ Var, Why]),
+ exit(Why).
%% Some functions for list valued variables
add(Var, Val) ->
@@ -905,7 +898,7 @@ dirty_rpc_error_tag(Reason) ->
end.
fatal(Format, Args) ->
- catch set(mnesia_status, stopping),
+ ?SAFE(catch set(mnesia_status, stopping)),
Core = mkcore({crashinfo, {Format, Args}}),
report_fatal(Format, Args, Core),
timer:sleep(10000), % Enough to write the core dump to disc?
@@ -917,7 +910,7 @@ report_fatal(Format, Args) ->
report_fatal(Format, Args, Core) ->
report_system_event({mnesia_fatal, Format, Args, Core}),
- catch exit(whereis(mnesia_monitor), fatal).
+ ?SAFE(exit(whereis(mnesia_monitor), fatal)).
%% We sleep longer and longer the more we try
%% Made some testing and came up with the following constants
@@ -930,8 +923,9 @@ random_time(Retries, _Counter0) ->
case get(random_seed) of
undefined ->
- {X, Y, Z} = erlang:now(), %% time()
- _ = random:seed(X, Y, Z),
+ _ = random:seed(erlang:unique_integer(),
+ erlang:monotonic_time(),
+ erlang:unique_integer()),
Time = Dup + random:uniform(MaxIntv),
%% dbg_out("---random_test rs ~w max ~w val ~w---~n", [Retries, MaxIntv, Time]),
Time;
@@ -1013,7 +1007,7 @@ dbg_out(Format, Args) ->
%% Keep the last 10 debug print outs
save(DbgInfo) ->
- catch save2(DbgInfo).
+ ?SAFE(save2(DbgInfo)).
save2(DbgInfo) ->
Key = {'$$$_report', current_pos},
@@ -1089,35 +1083,29 @@ db_match_object(Tab, Pat) ->
db_match_object(val({Tab, storage_type}), Tab, Pat).
db_match_object(Storage, Tab, Pat) ->
db_fixtable(Storage, Tab, true),
- Res = catch_match_object(Storage, Tab, Pat),
- db_fixtable(Storage, Tab, false),
- case Res of
- {'EXIT', Reason} -> exit(Reason);
- _ -> Res
+ try
+ case Storage of
+ disc_only_copies -> dets:match_object(Tab, Pat);
+ _ -> ets:match_object(Tab, Pat)
+ end
+ after
+ db_fixtable(Storage, Tab, false)
end.
-catch_match_object(disc_only_copies, Tab, Pat) ->
- catch dets:match_object(Tab, Pat);
-catch_match_object(_, Tab, Pat) ->
- catch ets:match_object(Tab, Pat).
-
db_select(Tab, Pat) ->
db_select(val({Tab, storage_type}), Tab, Pat).
db_select(Storage, Tab, Pat) ->
db_fixtable(Storage, Tab, true),
- Res = catch_select(Storage, Tab, Pat),
- db_fixtable(Storage, Tab, false),
- case Res of
- {'EXIT', Reason} -> exit(Reason);
- _ -> Res
+ try
+ case Storage of
+ disc_only_copies -> dets:select(Tab, Pat);
+ _ -> ets:select(Tab, Pat)
+ end
+ after
+ db_fixtable(Storage, Tab, false)
end.
-catch_select(disc_only_copies, Tab, Pat) ->
- catch dets:select(Tab, Pat);
-catch_select(_, Tab, Pat) ->
- catch ets:select(Tab, Pat).
-
db_select_init(disc_only_copies, Tab, Pat, Limit) ->
dets:select(Tab, Pat, Limit);
db_select_init(_, Tab, Pat, Limit) ->
@@ -1261,7 +1249,7 @@ dets_sync_open(Tab, Args) ->
end.
dets_sync_close(Tab) ->
- catch dets:close(Tab),
+ ?SAFE(dets:close(Tab)),
unlock_table(Tab),
ok.
@@ -1297,7 +1285,7 @@ readable_indecies(Tab) ->
scratch_debug_fun() ->
dbg_out("scratch_debug_fun(): ~p~n", [?DEBUG_TAB]),
- (catch ?ets_delete_table(?DEBUG_TAB)),
+ ?SAFE(?ets_delete_table(?DEBUG_TAB)),
?ets_new_table(?DEBUG_TAB, [set, public, named_table, {keypos, 2}]).
activate_debug_fun(FunId, Fun, InitialContext, File, Line) ->
@@ -1310,43 +1298,45 @@ activate_debug_fun(FunId, Fun, InitialContext, File, Line) ->
update_debug_info(Info).
update_debug_info(Info) ->
- case catch ?ets_insert(?DEBUG_TAB, Info) of
- {'EXIT', _} ->
+ try ?ets_insert(?DEBUG_TAB, Info),
+ ok
+ catch error:_ ->
scratch_debug_fun(),
- ?ets_insert(?DEBUG_TAB, Info);
- _ ->
- ok
+ ?ets_insert(?DEBUG_TAB, Info)
end,
dbg_out("update_debug_info(~p)~n", [Info]),
ok.
deactivate_debug_fun(FunId, _File, _Line) ->
- catch ?ets_delete(?DEBUG_TAB, FunId),
+ ?SAFE(?ets_delete(?DEBUG_TAB, FunId)),
ok.
eval_debug_fun(FunId, EvalContext, EvalFile, EvalLine) ->
- case catch ?ets_lookup(?DEBUG_TAB, FunId) of
- [] ->
- ok;
- [Info] ->
- OldContext = Info#debug_info.context,
- dbg_out("~s(~p): ~w "
- "activated in ~s(~p)~n "
- "eval_debug_fun(~w, ~w)~n",
- [filename:basename(EvalFile), EvalLine, Info#debug_info.id,
- filename:basename(Info#debug_info.file), Info#debug_info.line,
- OldContext, EvalContext]),
- Fun = Info#debug_info.function,
- NewContext = Fun(OldContext, EvalContext),
-
- case catch ?ets_lookup(?DEBUG_TAB, FunId) of
- [Info] when NewContext /= OldContext ->
- NewInfo = Info#debug_info{context = NewContext},
- update_debug_info(NewInfo);
- _ ->
- ok
- end;
- {'EXIT', _} -> ok
+ try
+ case ?ets_lookup(?DEBUG_TAB, FunId) of
+ [] ->
+ ok;
+ [Info] ->
+ OldContext = Info#debug_info.context,
+ dbg_out("~s(~p): ~w "
+ "activated in ~s(~p)~n "
+ "eval_debug_fun(~w, ~w)~n",
+ [filename:basename(EvalFile), EvalLine, Info#debug_info.id,
+ filename:basename(Info#debug_info.file), Info#debug_info.line,
+ OldContext, EvalContext]),
+ Fun = Info#debug_info.function,
+ NewContext = Fun(OldContext, EvalContext),
+
+ case ?ets_lookup(?DEBUG_TAB, FunId) of
+ [Info] when NewContext /= OldContext ->
+ NewInfo = Info#debug_info{context = NewContext},
+ update_debug_info(NewInfo);
+ _ ->
+ ok
+ end
+ end
+ catch error ->
+ ok
end.
-ifdef(debug).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 16:45:53 +0000