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-rw-r--r--lib/tools/src/cover.erl321
1 files changed, 171 insertions, 150 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl
index 4cc78403e1..128aa84831 100644
--- a/lib/tools/src/cover.erl
+++ b/lib/tools/src/cover.erl
@@ -500,6 +500,8 @@ remote_call(Node,Request) ->
Return
end.
+remote_reply(Proc,Reply) when is_pid(Proc) ->
+ Proc ! {?SERVER,Reply};
remote_reply(MainNode,Reply) ->
{?SERVER,MainNode} ! {?SERVER,Reply}.
@@ -593,40 +595,10 @@ main_process_loop(State) ->
end;
{From, {export,OutFile,Module}} ->
- case file:open(OutFile,[write,binary,raw]) of
- {ok,Fd} ->
- Reply =
- case Module of
- '_' ->
- export_info(State#main_state.imported),
- collect(State#main_state.nodes),
- do_export_table(State#main_state.compiled,
- State#main_state.imported,
- Fd);
- _ ->
- export_info(Module,State#main_state.imported),
- case is_loaded(Module, State) of
- {loaded, File} ->
- [{Module,Clauses}] =
- ets:lookup(?COVER_TABLE,Module),
- collect(Module, Clauses,
- State#main_state.nodes),
- do_export_table([{Module,File}],[],Fd);
- {imported, File, ImportFiles} ->
- %% don't know if I should allow this -
- %% export a module which is only imported
- Imported = [{Module,File,ImportFiles}],
- do_export_table([],Imported,Fd);
- _NotLoaded ->
- {error,{not_cover_compiled,Module}}
- end
- end,
- file:close(Fd),
- reply(From, Reply);
- {error,Reason} ->
- reply(From, {error, {cant_open_file,OutFile,Reason}})
-
- end,
+ spawn(fun() ->
+ io:format(user, "EXPORTING: ~p to ~p~n",[Module, OutFile]),
+ do_export(Module, OutFile, From, State)
+ end),
main_process_loop(State);
{From, {import,File}} ->
@@ -692,107 +664,95 @@ main_process_loop(State) ->
unregister(?SERVER),
reply(From, ok);
- {From, {Request, Module}} ->
- case is_loaded(Module, State) of
- {loaded, File} ->
- {Reply,State1} =
- case Request of
- {analyse, Analysis, Level} ->
- analyse_info(Module,State#main_state.imported),
+ {From, {{analyse, Analysis, Level}, Module}} ->
+ S = try
+ Loaded = is_loaded(Module, State),
+ analyse_info(Module,State#main_state.imported),
+ C = case Loaded of
+ {loaded, _File} ->
[{Module,Clauses}] =
ets:lookup(?COVER_TABLE,Module),
collect(Module,Clauses,State#main_state.nodes),
- R = do_analyse(Module, Analysis, Level, Clauses),
- {R,State};
-
- {analyse_to_file, OutFile, Opts} ->
- R = case find_source(File) of
- {beam,_BeamFile} ->
- {error,no_source_code_found};
- ErlFile ->
- Imported = State#main_state.imported,
- analyse_info(Module,Imported),
- [{Module,Clauses}] =
- ets:lookup(?COVER_TABLE,Module),
- collect(Module, Clauses,
- State#main_state.nodes),
- HTML = lists:member(html,Opts),
- do_analyse_to_file(Module,OutFile,
- ErlFile,HTML)
- end,
- {R,State};
-
- is_compiled ->
- {{file, File},State};
-
- reset ->
- R = do_reset_main_node(Module,
- State#main_state.nodes),
- Imported =
- remove_imported(Module,
- State#main_state.imported),
- {R,State#main_state{imported=Imported}}
- end,
- reply(From, Reply),
- main_process_loop(State1);
-
- {imported,File,_ImportFiles} ->
- {Reply,State1} =
- case Request of
- {analyse, Analysis, Level} ->
- analyse_info(Module,State#main_state.imported),
+ Clauses;
+ _ ->
[{Module,Clauses}] =
ets:lookup(?COLLECTION_TABLE,Module),
- R = do_analyse(Module, Analysis, Level, Clauses),
- {R,State};
-
- {analyse_to_file, OutFile, Opts} ->
- R = case find_source(File) of
- {beam,_BeamFile} ->
- {error,no_source_code_found};
- ErlFile ->
- Imported = State#main_state.imported,
- analyse_info(Module,Imported),
- HTML = lists:member(html,Opts),
- do_analyse_to_file(Module,OutFile,
- ErlFile,HTML)
- end,
- {R,State};
-
- is_compiled ->
- {false,State};
-
- reset ->
- R = do_reset_collection_table(Module),
- Imported =
- remove_imported(Module,
- State#main_state.imported),
- {R,State#main_state{imported=Imported}}
+ Clauses
end,
- reply(From, Reply),
- main_process_loop(State1);
-
- NotLoaded ->
- Reply =
- case Request of
- is_compiled ->
- false;
- _ ->
- {error, {not_cover_compiled,Module}}
- end,
- Compiled =
- case NotLoaded of
- unloaded ->
- do_clear(Module),
- remote_unload(State#main_state.nodes,[Module]),
- update_compiled([Module],
- State#main_state.compiled);
- false ->
- State#main_state.compiled
+ R = do_analyse(Module, Analysis, Level, C),
+ reply(From, R),
+ State
+ catch throw:Reason ->
+ reply(From,{error, {not_cover_compiled,Module}}),
+ not_loaded(Module, Reason, State)
+ end,
+ main_process_loop(S);
+
+ {From, {{analyse_to_file, OutFile, Opts},Module}} ->
+ S = try
+ Loaded = is_loaded(Module, State),
+ File = case Loaded of
+ {loaded, File0} ->
+ [{Module,Clauses}] =
+ ets:lookup(?COVER_TABLE,Module),
+ collect(Module, Clauses,
+ State#main_state.nodes),
+ File0;
+ {imported, File0, _} ->
+ File0
+ end,
+ case find_source(File) of
+ {beam,_BeamFile} ->
+ reply(From, {error,no_source_code_found}),
+ State;
+ ErlFile ->
+ analyse_info(Module,State#main_state.imported),
+ HTML = lists:member(html,Opts),
+ R = do_analyse_to_file(Module,OutFile,
+ ErlFile,HTML),
+ reply(From, R),
+ State
+ end
+ catch throw:Reason ->
+ reply(From,{error, {not_cover_compiled,Module}}),
+ not_loaded(Module, Reason, State)
+ end,
+ main_process_loop(S);
+
+ {From, {is_compiled, Module}} ->
+ S = try is_loaded(Module, State) of
+ {loaded, File} ->
+ reply(From,{file, File}),
+ State;
+ {imported,_File,_ImportFiles} ->
+ reply(From,false),
+ State
+ catch throw:Reason ->
+ reply(From,false),
+ not_loaded(Module, Reason, State)
+ end,
+ main_process_loop(S);
+
+ {From, {reset, Module}} ->
+ S = try
+ Loaded = is_loaded(Module,State),
+ R = case Loaded of
+ {loaded, _File} ->
+ do_reset_main_node(
+ Module, State#main_state.nodes);
+ {imported, _File, _} ->
+ do_reset_collection_table(Module)
end,
- reply(From, Reply),
- main_process_loop(State#main_state{compiled=Compiled})
- end;
+ Imported =
+ remove_imported(Module,
+ State#main_state.imported),
+ reply(From, R),
+ State#main_state{imported=Imported}
+ catch throw:Reason ->
+ reply(From,{error, {not_cover_compiled,Module}}),
+ not_loaded(Module, Reason, State)
+ end,
+ main_process_loop(S);
{'EXIT',Pid,_Reason} ->
%% Exit is trapped on the main node only, so this will only happen
@@ -807,10 +767,6 @@ main_process_loop(State) ->
main_process_loop(State)
end.
-
-
-
-
%%%----------------------------------------------------------------------
%%% cover_server on remote node
%%%----------------------------------------------------------------------
@@ -843,6 +799,10 @@ remote_process_loop(State) ->
remote_process_loop(State);
{remote,collect,Module,CollectorPid} ->
+ self() ! {remote,collect,Module,CollectorPid, ?SERVER};
+
+ {remote,collect,Module,CollectorPid,From} ->
+% spawn(?MODULE, do_remote_collect, [Module, CollectorPid]),
MS =
case Module of
'_' -> ets:fun2ms(fun({M,C}) when is_atom(M) -> C end);
@@ -865,7 +825,7 @@ remote_process_loop(State) ->
end,
AllClauses),
CollectorPid ! done,
- remote_reply(State#remote_state.main_node, ok),
+ remote_reply(From, ok),
remote_process_loop(State);
{remote,stop} ->
@@ -1028,27 +988,37 @@ remote_reset(Module,Nodes) ->
%% Collect data from remote nodes - used for analyse or stop(Node)
remote_collect(Module,Nodes,Stop) ->
- CollectorPid = spawn(fun() -> collector_proc(length(Nodes)) end),
- lists:foreach(
- fun(Node) ->
- remote_call(Node,{remote,collect,Module,CollectorPid}),
- if Stop -> remote_call(Node,{remote,stop});
- true -> ok
- end
- end,
- Nodes).
+ Pids = lists:map(
+ fun(Node) ->
+ spawn(fun() ->
+ do_collection(Node, Module, Stop)
+ end)
+ end,
+ Nodes),
+ RefsNPids = [{erlang:monitor(process, Pid),Pid} || Pid <- Pids],
+ lists:foreach(fun({Ref,Pid}) ->
+ receive
+ {'DOWN', Ref, process, Pid, _} ->
+ ok
+ end
+ end,RefsNPids).
+
+do_collection(Node, Module, Stop) ->
+ CollectorPid = spawn(fun collector_proc/0),
+ remote_call(Node,{remote,collect,Module,CollectorPid, self()}),
+ if Stop -> remote_call(Node,{remote,stop});
+ true -> ok
+ end.
%% Process which receives chunks of data from remote nodes - either when
%% analysing or when stopping cover on the remote nodes.
-collector_proc(0) ->
- ok;
-collector_proc(N) ->
+collector_proc() ->
receive
{chunk,Chunk} ->
insert_in_collection_table(Chunk),
- collector_proc(N);
+ collector_proc();
done ->
- collector_proc(N-1)
+ ok
end.
insert_in_collection_table([{Key,Val}|Chunk]) ->
@@ -1063,7 +1033,13 @@ insert_in_collection_table(Key,Val) ->
ets:update_counter(?COLLECTION_TABLE,
Key,Val);
false ->
- ets:insert(?COLLECTION_TABLE,{Key,Val})
+ %% Make sure that there are no race conditions from ets:member
+ case ets:insert_new(?COLLECTION_TABLE,{Key,Val}) of
+ false ->
+ insert_in_collection_table(Key,Val);
+ _ ->
+ ok
+ end
end.
@@ -1164,14 +1140,14 @@ is_loaded(Module, State) ->
{ok, File} ->
case code:which(Module) of
?TAG -> {loaded, File};
- _ -> unloaded
+ _ -> throw(unloaded)
end;
false ->
case get_file(Module,State#main_state.imported) of
{ok,File,ImportFiles} ->
{imported, File, ImportFiles};
false ->
- false
+ throw(not_loaded)
end
end.
@@ -2038,6 +2014,42 @@ fill2() -> ".| ".
fill3() -> "| ".
%%%--Export--------------------------------------------------------------
+do_export(Module, OutFile, From, State) ->
+ case file:open(OutFile,[write,binary,raw]) of
+ {ok,Fd} ->
+ Reply =
+ case Module of
+ '_' ->
+ export_info(State#main_state.imported),
+ collect(State#main_state.nodes),
+ do_export_table(State#main_state.compiled,
+ State#main_state.imported,
+ Fd);
+ _ ->
+ export_info(Module,State#main_state.imported),
+ try is_loaded(Module, State) of
+ {loaded, File} ->
+ [{Module,Clauses}] =
+ ets:lookup(?COVER_TABLE,Module),
+ collect(Module, Clauses,
+ State#main_state.nodes),
+ do_export_table([{Module,File}],[],Fd);
+ {imported, File, ImportFiles} ->
+ %% don't know if I should allow this -
+ %% export a module which is only imported
+ Imported = [{Module,File,ImportFiles}],
+ do_export_table([],Imported,Fd)
+ catch throw:_ ->
+ {error,{not_cover_compiled,Module}}
+ end
+ end,
+ file:close(Fd),
+ reply(From, Reply);
+ {error,Reason} ->
+ reply(From, {error, {cant_open_file,OutFile,Reason}})
+
+ end.
+
do_export_table(Compiled, Imported, Fd) ->
ModList = merge(Imported,Compiled),
write_module_data(ModList,Fd).
@@ -2164,6 +2176,15 @@ do_clear(Module) ->
ets:match_delete(?COVER_TABLE, {#bump{module=Module},'_'}),
ets:match_delete(?COLLECTION_TABLE, {#bump{module=Module},'_'}).
+not_loaded(Module, unloaded, State) ->
+ do_clear(Module),
+ remote_unload(State#main_state.nodes,[Module]),
+ Compiled = update_compiled([Module],
+ State#main_state.compiled),
+ State#main_state{ compiled = Compiled };
+not_loaded(_Module,_Else, State) ->
+ State.
+
%%%--Div-----------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 18:05:01 +0000