diff options
Diffstat (limited to 'lib/kernel/src/code_server.erl')
| -rw-r--r-- | lib/kernel/src/code_server.erl | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl index e3d22e7999..00ad923466 100644 --- a/lib/kernel/src/code_server.erl +++ b/lib/kernel/src/code_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2012. 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 @@ -32,6 +32,8 @@ -import(lists, [foreach/2]). +-define(ANY_NATIVE_CODE_LOADED, any_native_code_loaded). + -record(state, {supervisor, root, path, @@ -97,6 +99,8 @@ init(Ref, Parent, [Root,Mode0]) -> State0 end, + put(?ANY_NATIVE_CODE_LOADED, false), + Parent ! {Ref,{ok,self()}}, loop(State#state{supervisor = Parent}). @@ -390,8 +394,8 @@ handle_call(stop,{_From,_Tag}, S) -> handle_call({is_cached,_File}, {_From,_Tag}, S=#state{cache=no_cache}) -> {reply, no, S}; -handle_call({set_primary_archive, File, ArchiveBin, FileInfo}, {_From,_Tag}, S=#state{mode=Mode}) -> - case erl_prim_loader:set_primary_archive(File, ArchiveBin, FileInfo) of +handle_call({set_primary_archive, File, ArchiveBin, FileInfo, ParserFun}, {_From,_Tag}, S=#state{mode=Mode}) -> + case erl_prim_loader:set_primary_archive(File, ArchiveBin, FileInfo, ParserFun) of {ok, Files} -> {reply, {ok, Mode, Files}, S}; {error, _Reason} = Error -> @@ -1278,35 +1282,56 @@ load_native_code(Mod, Bin) -> %% Therefore we must test for that the loader modules are available %% before trying to to load native code. case erlang:module_loaded(hipe_unified_loader) of - false -> no_native; - true -> hipe_unified_loader:load_native_code(Mod, Bin) + false -> + no_native; + true -> + Result = hipe_unified_loader:load_native_code(Mod, Bin), + case Result of + {module,_} -> + put(?ANY_NATIVE_CODE_LOADED, true); + _ -> + ok + end, + Result end. hipe_result_to_status(Result) -> case Result of - {module,_} -> Result; - _ -> {error,Result} + {module,_} -> + put(?ANY_NATIVE_CODE_LOADED, true), + Result; + _ -> + {error,Result} end. post_beam_load(Mod) -> - case erlang:module_loaded(hipe_unified_loader) of - false -> ok; - true -> hipe_unified_loader:post_beam_load(Mod) + %% post_beam_load/1 can potentially be very expensive because it + %% blocks multi-scheduling; thus we want to avoid the call if we + %% know that it is not needed. + case get(?ANY_NATIVE_CODE_LOADED) of + true -> hipe_unified_loader:post_beam_load(Mod); + false -> ok end. int_list([H|T]) when is_integer(H) -> int_list(T); int_list([_|_]) -> false; int_list([]) -> true. +load_file(Mod0, {From,_}=Caller, St0) -> + Mod = to_atom(Mod0), + case pending_on_load(Mod, From, St0) of + no -> load_file_1(Mod, Caller, St0); + {yes,St} -> {noreply,St} + end. -load_file(Mod, Caller, #state{path=Path,cache=no_cache}=St) -> +load_file_1(Mod, Caller, #state{path=Path,cache=no_cache}=St) -> case mod_to_bin(Path, Mod) of error -> {reply,{error,nofile},St}; {Mod,Binary,File} -> try_load_module(File, Mod, Binary, Caller, St) end; -load_file(Mod, Caller, #state{cache=Cache}=St0) -> +load_file_1(Mod, Caller, #state{cache=Cache}=St0) -> Key = {obj,Mod}, case ets:lookup(Cache, Key) of [] -> |