diff options
Diffstat (limited to 'lib/mnesia/src/mnesia_lib.erl')
| -rw-r--r-- | lib/mnesia/src/mnesia_lib.erl | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl index dba808e66e..3da3dd2f5c 100644 --- a/lib/mnesia/src/mnesia_lib.erl +++ b/lib/mnesia/src/mnesia_lib.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1996-2010. 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/. -%% +%% %% 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. -%% +%% %% %CopyrightEnd% %% @@ -113,6 +113,9 @@ mkcore/1, not_active_here/1, other_val/2, + overload_read/0, + overload_read/1, + overload_set/2, pad_name/3, random_time/2, read_counter/1, @@ -551,6 +554,33 @@ cs_to_nodes(Cs) -> Cs#cstruct.disc_only_copies ++ Cs#cstruct.disc_copies ++ Cs#cstruct.ram_copies. + +overload_types() -> + [mnesia_tm, mnesia_dump_log]. + +valid_overload_type(T) -> + case lists:member(T, overload_types()) of + false -> + erlang:error(bad_type); + true -> + true + end. + +overload_set(Type, Bool) when is_boolean(Bool) -> + valid_overload_type(Type), + set({overload, Type}, Bool). + +overload_read() -> + [{T, overload_read(T)} || T <- overload_types()]. + +overload_read(T) -> + case ?catch_val({overload, T}) of + {'EXIT',_} -> + valid_overload_type(T), + false; + Flag when is_boolean(Flag) -> + Flag + end. dist_coredump() -> dist_coredump(all_nodes()). |