diff options
Diffstat (limited to 'lib/mnesia/src/mnesia_lib.erl')
| -rw-r--r-- | lib/mnesia/src/mnesia_lib.erl | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl index 44d104af58..109e924971 100644 --- a/lib/mnesia/src/mnesia_lib.erl +++ b/lib/mnesia/src/mnesia_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. 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 @@ -296,11 +296,7 @@ active_here(Tab) -> not_active_here(Tab) -> not active_here(Tab). -exists(Fname) -> - case file:open(Fname, [raw,read]) of - {ok, F} ->file:close(F), true; - _ -> false - end. +exists(Fname) -> filelib:is_regular(Fname). dir() -> mnesia_monitor:get_env(dir). @@ -596,7 +592,7 @@ coredump(CrashInfo) -> Core = mkcore(CrashInfo), Out = core_file(), important("Writing Mnesia core to file: ~p...~p~n", [Out, CrashInfo]), - file:write_file(Out, Core), + _ = file:write_file(Out, Core), Out. core_file() -> @@ -814,9 +810,9 @@ vcore(File) -> vcore_elem({schema_file, {ok, B}}) -> Fname = "/tmp/schema.DAT", - file:write_file(Fname, B), - dets:view(Fname), - file:delete(Fname); + _ = file:write_file(Fname, B), + _ = dets:view(Fname), + _ = file:delete(Fname); vcore_elem({logfile, {ok, BinList}}) -> Fun = fun({F, Info}) -> @@ -930,7 +926,7 @@ random_time(Retries, _Counter0) -> case get(random_seed) of undefined -> {X, Y, Z} = erlang:now(), %% time() - random:seed(X, Y, Z), + _ = random:seed(X, Y, Z), Time = Dup + random:uniform(MaxIntv), %% dbg_out("---random_test rs ~w max ~w val ~w---~n", [Retries, MaxIntv, Time]), Time; @@ -966,20 +962,17 @@ report_system_event({'EXIT', Reason}, Event) -> unlink(Pid), %% We get an exit signal if server dies - receive - {'EXIT', Pid, _Reason} -> - {error, {node_not_running, node()}} - after 0 -> - gen_event:stop(mnesia_event), - ok + receive {'EXIT', Pid, _Reason} -> ok + after 0 -> gen_event:stop(mnesia_event) end; Error -> Msg = "Mnesia(~p): Cannot report event ~p: ~p (~p)~n", error_logger:format(Msg, [node(), Event, Reason, Error]) - end; + end, + ok; report_system_event(_Res, _Event) -> - ignore. + ok. %% important messages are reported regardless of debug level important(Format, Args) -> @@ -1033,8 +1026,8 @@ copy_file(From, To) -> case file:open(To, [raw, binary, write]) of {ok, T} -> Res = copy_file_loop(F, T, 8000), - file:close(F), - file:close(T), + ok = file:close(F), + ok = file:close(T), Res; {error, Reason} -> {error, Reason} @@ -1046,7 +1039,7 @@ copy_file(From, To) -> copy_file_loop(F, T, ChunkSize) -> case file:read(F, ChunkSize) of {ok, Bin} -> - file:write(T, Bin), + ok = file:write(T, Bin), copy_file_loop(F, T, ChunkSize); eof -> ok; @@ -1213,7 +1206,7 @@ dets_to_ets(Tabname, Tab, File, Type, Rep, Lock) -> {keypos, 2}, {repair, Rep}]) of {ok, Tabname} -> Res = dets:to_ets(Tabname, Tab), - Close(Tabname), + ok = Close(Tabname), trav_ret(Res, Tab); Other -> Other |