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-rw-r--r--lib/kernel/src/Makefile1
-rw-r--r--lib/kernel/src/code.erl176
-rw-r--r--lib/kernel/src/code_server.erl28
-rw-r--r--lib/kernel/src/disk_log.erl394
-rw-r--r--lib/kernel/src/disk_log.hrl4
-rw-r--r--lib/kernel/src/disk_log_1.erl32
-rw-r--r--lib/kernel/src/erl_signal_handler.erl57
-rw-r--r--lib/kernel/src/erts_debug.erl25
-rw-r--r--lib/kernel/src/file.erl49
-rw-r--r--lib/kernel/src/global.erl16
-rw-r--r--lib/kernel/src/hipe_ext_format.hrl12
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl379
-rw-r--r--lib/kernel/src/inet_db.erl3
-rw-r--r--lib/kernel/src/kernel.app.src3
-rw-r--r--lib/kernel/src/kernel.appup.src6
-rw-r--r--lib/kernel/src/kernel.erl13
-rw-r--r--lib/kernel/src/net_kernel.erl4
-rw-r--r--lib/kernel/src/os.erl11
18 files changed, 656 insertions, 557 deletions
diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile
index 2b72f78dcf..2a89faaf13 100644
--- a/lib/kernel/src/Makefile
+++ b/lib/kernel/src/Makefile
@@ -71,6 +71,7 @@ MODULES = \
erl_distribution \
erl_epmd \
erl_reply \
+ erl_signal_handler \
erts_debug \
error_handler \
error_logger \
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index 8d0a2fbf66..2a06d0cb15 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -70,7 +70,9 @@
where_is_file/2,
set_primary_archive/4,
clash/0,
- get_mode/0]).
+ module_status/1,
+ modified_modules/0,
+ get_mode/0]).
-deprecated({rehash,0,next_major_release}).
@@ -116,8 +118,8 @@ get_chunk(_, _) ->
is_module_native(_) ->
erlang:nif_error(undef).
--spec make_stub_module(Module, Beam, Info) -> Module when
- Module :: module(),
+-spec make_stub_module(LoaderState, Beam, Info) -> module() when
+ LoaderState :: binary(),
Beam :: binary(),
Info :: {list(), list(), binary()}.
@@ -487,13 +489,13 @@ prepare_check_uniq_1([], [_|_]=Errors) ->
{error,Errors}.
partition_on_load(Prep) ->
- P = fun({_,{Bin,_,_}}) ->
- erlang:has_prepared_code_on_load(Bin)
+ P = fun({_,{PC,_,_}}) ->
+ erlang:has_prepared_code_on_load(PC)
end,
lists:partition(P, Prep).
verify_prepared([{M,{Prep,Name,_Native}}|T])
- when is_atom(M), is_binary(Prep), is_list(Name) ->
+ when is_atom(M), is_list(Name) ->
try erlang:has_prepared_code_on_load(Prep) of
false ->
verify_prepared(T);
@@ -560,10 +562,10 @@ prepare_loading_fun() ->
GetNative = get_native_fun(),
fun(Mod, FullName, Beam) ->
case erlang:prepare_loading(Mod, Beam) of
- Prepared when is_binary(Prepared) ->
- {ok,{Prepared,FullName,GetNative(Beam)}};
{error,_}=Error ->
- Error
+ Error;
+ Prepared ->
+ {ok,{Prepared,FullName,GetNative(Beam)}}
end
end.
@@ -719,38 +721,14 @@ start_get_mode() ->
which(Module) when is_atom(Module) ->
case is_loaded(Module) of
false ->
- which2(Module);
+ which(Module, get_path());
{file, File} ->
File
end.
-which2(Module) ->
- Base = atom_to_list(Module),
- File = filename:basename(Base) ++ objfile_extension(),
- Path = get_path(),
- which(File, filename:dirname(Base), Path).
-
--spec which(file:filename(), file:filename(), [file:filename()]) ->
- 'non_existing' | file:filename().
-
-which(_, _, []) ->
- non_existing;
-which(File, Base, [Directory|Tail]) ->
- Path = if
- Base =:= "." -> Directory;
- true -> filename:join(Directory, Base)
- end,
- case erl_prim_loader:list_dir(Path) of
- {ok,Files} ->
- case lists:member(File,Files) of
- true ->
- filename:append(Path, File);
- false ->
- which(File, Base, Tail)
- end;
- _Error ->
- which(File, Base, Tail)
- end.
+which(Module, Path) when is_atom(Module) ->
+ File = atom_to_list(Module) ++ objfile_extension(),
+ where_is_file(Path, File).
%% Search the code path for a specific file. Try to locate
%% it in the code path cache if possible.
@@ -760,13 +738,33 @@ which(File, Base, [Directory|Tail]) ->
Absname :: file:filename().
where_is_file(File) when is_list(File) ->
Path = get_path(),
- which(File, ".", Path).
+ where_is_file(Path, File).
--spec where_is_file(Path :: file:filename(), Filename :: file:filename()) ->
- file:filename() | 'non_existing'.
+%% To avoid unnecessary work when looking at many modules, this also
+%% accepts pairs of directories and pre-fetched contents in the path
+-spec where_is_file(Path :: [Dir|{Dir,Files}], Filename :: file:filename()) ->
+ 'non_existing' | file:filename() when
+ Dir :: file:filename(), Files :: [file:filename()].
-where_is_file(Path, File) when is_list(Path), is_list(File) ->
- which(File, ".", Path).
+where_is_file([], _) ->
+ non_existing;
+where_is_file([{Path, Files}|Tail], File) ->
+ where_is_file(Tail, File, Path, Files);
+where_is_file([Path|Tail], File) ->
+ case erl_prim_loader:list_dir(Path) of
+ {ok,Files} ->
+ where_is_file(Tail, File, Path, Files);
+ _Error ->
+ where_is_file(Tail, File)
+ end.
+
+where_is_file(Tail, File, Path, Files) ->
+ case lists:member(File, Files) of
+ true ->
+ filename:append(Path, File);
+ false ->
+ where_is_file(Tail, File)
+ end.
-spec set_primary_archive(ArchiveFile :: file:filename(),
ArchiveBin :: binary(),
@@ -899,3 +897,97 @@ load_all_native_1([{Mod,BeamFilename}|T], ChunkTag) ->
load_all_native_1(T, ChunkTag);
load_all_native_1([], _) ->
ok.
+
+%% Returns the status of the module in relation to object file on disk.
+-spec module_status(Module :: module()) -> not_loaded | loaded | modified | removed.
+module_status(Module) ->
+ module_status(Module, code:get_path()).
+
+%% Note that we don't want to go via which/1, since it doesn't look at the
+%% disk contents at all if the module is already loaded.
+module_status(Module, PathFiles) ->
+ case code:is_loaded(Module) of
+ false -> not_loaded;
+ {file, preloaded} -> loaded;
+ {file, cover_compiled} ->
+ %% cover compilation loads directly to memory and does not
+ %% create a beam file, so report 'modified' if a file exists
+ case which(Module, PathFiles) of
+ non_existing -> removed;
+ _File -> modified
+ end;
+ {file, []} -> loaded; % no beam file - generated code
+ {file, OldFile} when is_list(OldFile) ->
+ %% we don't care whether or not the file is in the same location
+ %% as when last loaded, as long as it can be found in the path
+ case which(Module, PathFiles) of
+ non_existing -> removed;
+ Path ->
+ case module_changed_on_disk(Module, Path) of
+ true -> modified;
+ false -> loaded
+ end
+ end
+ end.
+
+%% Detects actual code changes only, e.g. to decide whether a module should
+%% be reloaded; does not care about file timestamps or compilation time
+module_changed_on_disk(Module, Path) ->
+ MD5 = erlang:get_module_info(Module, md5),
+ case erlang:system_info(hipe_architecture) of
+ undefined ->
+ %% straightforward, since native is not supported
+ MD5 =/= beam_file_md5(Path);
+ Architecture ->
+ case code:is_module_native(Module) of
+ true ->
+ %% MD5 is for native code, so we check only the native
+ %% code on disk, ignoring the beam code
+ MD5 =/= beam_file_native_md5(Path, Architecture);
+ _ ->
+ %% MD5 is for beam code, so check only the beam code on
+ %% disk, even if the file contains native code as well
+ MD5 =/= beam_file_md5(Path)
+ end
+ end.
+
+beam_file_md5(Path) ->
+ case beam_lib:md5(Path) of
+ {ok,{_Mod,MD5}} -> MD5;
+ _ -> undefined
+ end.
+
+beam_file_native_md5(Path, Architecture) ->
+ try
+ get_beam_chunk(Path, hipe_unified_loader:chunk_name(Architecture))
+ of
+ NativeCode when is_binary(NativeCode) ->
+ erlang:md5(NativeCode)
+ catch
+ _:_ -> undefined
+ end.
+
+get_beam_chunk(Path, Chunk) ->
+ {ok, {_, [{_, Bin}]}} = beam_lib:chunks(Path, [Chunk]),
+ Bin.
+
+%% Returns a list of all modules modified on disk.
+-spec modified_modules() -> [module()].
+modified_modules() ->
+ PathFiles = path_files(),
+ [M || {M, _} <- code:all_loaded(),
+ module_status(M, PathFiles) =:= modified].
+
+%% prefetch the directory contents of code path directories
+path_files() ->
+ path_files(code:get_path()).
+
+path_files([]) ->
+ [];
+path_files([Path|Tail]) ->
+ case erl_prim_loader:list_dir(Path) of
+ {ok, Files} ->
+ [{Path,Files} | path_files(Tail)];
+ _Error ->
+ path_files(Tail)
+ end.
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 59b26176bf..418b0c50e1 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -1130,19 +1130,18 @@ try_load_module_2(File, Mod, Bin, From, Architecture,
#state{moddb=Db}=St) ->
case catch hipe_unified_loader:load_native_code(Mod, Bin, Architecture) of
{module,Mod} = Module ->
- ets:insert(Db, [{{native,Mod},true},{Mod,File}]),
+ ets:insert(Db, {Mod,File}),
{reply,Module,St};
no_native ->
try_load_module_3(File, Mod, Bin, From, Architecture, St);
Error ->
error_msg("Native loading of ~ts failed: ~p\n", [File,Error]),
- {reply,ok,St}
+ {reply,{error,Error},St}
end.
-try_load_module_3(File, Mod, Bin, From, Architecture, St0) ->
+try_load_module_3(File, Mod, Bin, From, _Architecture, St0) ->
Action = fun({module,_}=Module, #state{moddb=Db}=S) ->
ets:insert(Db, {Mod,File}),
- post_beam_load([Mod], Architecture, S),
{reply,Module,S};
({error,on_load_failure}=Error, S) ->
{reply,Error,S};
@@ -1153,24 +1152,14 @@ try_load_module_3(File, Mod, Bin, From, Architecture, St0) ->
Res = erlang:load_module(Mod, Bin),
handle_on_load(Res, Action, Mod, From, St0).
-hipe_result_to_status(Result, #state{moddb=Db}) ->
+hipe_result_to_status(Result, #state{}) ->
case Result of
- {module,Mod} ->
- ets:insert(Db, [{{native,Mod},true}]),
+ {module,_} ->
Result;
_ ->
{error,Result}
end.
-post_beam_load(_, undefined, _) ->
- %% HiPE is disabled.
- ok;
-post_beam_load(Mods0, _Architecture, #state{moddb=Db}) ->
- %% post_beam_load/2 can potentially be very expensive because it
- %% blocks multi-scheduling. Therefore, we only want to call
- %% it with modules that are known to have native code loaded.
- Mods = [M || M <- Mods0, ets:member(Db, {native,M})],
- hipe_unified_loader:post_beam_load(Mods).
int_list([H|T]) when is_integer(H) -> int_list(T);
int_list([_|_]) -> false;
@@ -1313,15 +1302,12 @@ abort_if_sticky(L, Db) ->
[_|_] -> {error,Sticky}
end.
-do_finish_loading(Prepared, #state{moddb=Db}=St) ->
+do_finish_loading(Prepared, #state{moddb=Db}) ->
MagicBins = [B || {_,{B,_}} <- Prepared],
case erlang:finish_loading(MagicBins) of
ok ->
MFs = [{M,F} || {M,{_,F}} <- Prepared],
true = ets:insert(Db, MFs),
- Ms = [M || {M,_} <- MFs],
- Architecture = erlang:system_info(hipe_architecture),
- post_beam_load(Ms, Architecture, St),
ok;
{Reason,Ms} ->
{error,[{M,Reason} || M <- Ms]}
@@ -1423,7 +1409,7 @@ finish_on_load_report(Mod, Term) ->
%% from the code_server process.
spawn(fun() ->
F = "The on_load function for module "
- "~s returned ~P\n",
+ "~s returned:~n~P\n",
%% Express the call as an apply to simplify
%% the ext_mod_dep/1 test case.
diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl
index 9b44021872..2ade7fd77a 100644
--- a/lib/kernel/src/disk_log.erl
+++ b/lib/kernel/src/disk_log.erl
@@ -67,7 +67,7 @@
%%-define(PROFILE(C), C).
-define(PROFILE(C), void).
--compile({inline,[{log_loop,5},{log_end_sync,2},{replies,2},{rflat,1}]}).
+-compile({inline,[{log_loop,6},{log_end_sync,2},{replies,2},{rflat,1}]}).
%%%----------------------------------------------------------------------
%%% Contract type specifications
@@ -75,8 +75,6 @@
-opaque continuation() :: #continuation{}.
--type bytes() :: binary() | [byte()].
-
-type file_error() :: term(). % XXX: refine
-type invalid_header() :: term(). % XXX: refine
@@ -127,28 +125,28 @@ open(A) ->
Log :: log(),
Term :: term().
log(Log, Term) ->
- req(Log, {log, term_to_binary(Term)}).
+ req(Log, {log, internal, [term_to_binary(Term)]}).
-spec blog(Log, Bytes) -> ok | {error, Reason :: log_error_rsn()} when
Log :: log(),
- Bytes :: bytes().
+ Bytes :: iodata().
blog(Log, Bytes) ->
- req(Log, {blog, check_bytes(Bytes)}).
+ req(Log, {log, external, [ensure_binary(Bytes)]}).
-spec log_terms(Log, TermList) -> ok | {error, Resaon :: log_error_rsn()} when
Log :: log(),
TermList :: [term()].
log_terms(Log, Terms) ->
Bs = terms2bins(Terms),
- req(Log, {log, Bs}).
+ req(Log, {log, internal, Bs}).
-spec blog_terms(Log, BytesList) ->
ok | {error, Reason :: log_error_rsn()} when
Log :: log(),
- BytesList :: [bytes()].
+ BytesList :: [iodata()].
blog_terms(Log, Bytess) ->
- Bs = check_bytes_list(Bytess, Bytess),
- req(Log, {blog, Bs}).
+ Bs = ensure_binary_list(Bytess),
+ req(Log, {log, external, Bs}).
-type notify_ret() :: 'ok' | {'error', 'no_such_log'}.
@@ -156,27 +154,27 @@ blog_terms(Log, Bytess) ->
Log :: log(),
Term :: term().
alog(Log, Term) ->
- notify(Log, {alog, term_to_binary(Term)}).
+ notify(Log, {alog, internal, [term_to_binary(Term)]}).
-spec alog_terms(Log, TermList) -> notify_ret() when
Log :: log(),
TermList :: [term()].
alog_terms(Log, Terms) ->
Bs = terms2bins(Terms),
- notify(Log, {alog, Bs}).
+ notify(Log, {alog, internal, Bs}).
-spec balog(Log, Bytes) -> notify_ret() when
Log :: log(),
- Bytes :: bytes().
+ Bytes :: iodata().
balog(Log, Bytes) ->
- notify(Log, {balog, check_bytes(Bytes)}).
+ notify(Log, {alog, external, [ensure_binary(Bytes)]}).
-spec balog_terms(Log, ByteList) -> notify_ret() when
Log :: log(),
- ByteList :: [bytes()].
+ ByteList :: [iodata()].
balog_terms(Log, Bytess) ->
- Bs = check_bytes_list(Bytess, Bytess),
- notify(Log, {balog, Bs}).
+ Bs = ensure_binary_list(Bytess),
+ notify(Log, {alog, external, Bs}).
-type close_error_rsn() ::'no_such_log' | 'nonode'
| {'file_error', file:filename(), file_error()}.
@@ -219,9 +217,9 @@ truncate(Log, Head) ->
-spec btruncate(Log, BHead) -> 'ok' | {'error', trunc_error_rsn()} when
Log :: log(),
- BHead :: bytes().
+ BHead :: iodata().
btruncate(Log, Head) ->
- req(Log, {truncate, {ok, check_bytes(Head)}, btruncate, 2}).
+ req(Log, {truncate, {ok, ensure_binary(Head)}, btruncate, 2}).
-type reopen_error_rsn() :: no_such_log
| nonode
@@ -248,9 +246,9 @@ reopen(Log, NewFile, NewHead) ->
-spec breopen(Log, File, BHead) -> 'ok' | {'error', reopen_error_rsn()} when
Log :: log(),
File :: file:filename(),
- BHead :: bytes().
+ BHead :: iodata().
breopen(Log, NewFile, NewHead) ->
- req(Log, {reopen, NewFile, {ok, check_bytes(NewHead)}, breopen, 3}).
+ req(Log, {reopen, NewFile, {ok, ensure_binary(NewHead)}, breopen, 3}).
-type inc_wrap_error_rsn() :: 'no_such_log' | 'nonode'
| {'read_only_mode', log()}
@@ -670,13 +668,12 @@ init(Parent, Server) ->
process_flag(trap_exit, true),
loop(#state{parent = Parent, server = Server}).
-loop(State) when State#state.messages =:= [] ->
+loop(#state{messages = []}=State) ->
receive
Message ->
handle(Message, State)
end;
-loop(State) ->
- [M | Ms] = State#state.messages,
+loop(#state{messages = [M | Ms]}=State) ->
handle(M, State#state{messages = Ms}).
handle({From, write_cache}, S) when From =:= self() ->
@@ -686,106 +683,79 @@ handle({From, write_cache}, S) when From =:= self() ->
Error ->
loop(S#state{cache_error = Error})
end;
-handle({From, {log, B}}, S) ->
+handle({From, {log, Format, B}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, L#log.format =:= internal ->
- log_loop(S, From, [B], [], iolist_size(B));
- L when L#log.status =:= ok, L#log.format =:= external ->
+ #log{status = ok, format=external}=L when Format =:= internal ->
reply(From, {error, {format_external, L#log.name}}, S);
- L when L#log.status =:= {blocked, false} ->
- reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
- reply(From, {error, {blocked_log, L#log.name}}, S);
- _ ->
- loop(S#state{queue = [{From, {log, B}} | S#state.queue]})
- end;
-handle({From, {blog, B}}, S) ->
- case get(log) of
- L when L#log.mode =:= read_only ->
- reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- log_loop(S, From, [B], [], iolist_size(B));
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, From, [B], [], iolist_size(B), LogFormat);
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {blog, B}} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({alog, B}, S) ->
+handle({alog, Format, B}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only} ->
notify_owners({read_only,B}),
loop(S);
- L when L#log.status =:= ok, L#log.format =:= internal ->
- log_loop(S, [], [B], [], iolist_size(B));
- L when L#log.status =:= ok ->
+ #log{status = ok, format = external} when Format =:= internal ->
notify_owners({format_external, B}),
loop(S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, [], [B], [], iolist_size(B), LogFormat);
+ #log{status = {blocked, false}} ->
notify_owners({blocked_log, B}),
loop(S);
_ ->
- loop(S#state{queue = [{alog, B} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({balog, B}, S) ->
+handle({From, {block, QueueLogRecs}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
- notify_owners({read_only,B}),
- loop(S);
- L when L#log.status =:= ok ->
- log_loop(S, [], [B], [], iolist_size(B));
- L when L#log.status =:= {blocked, false} ->
- notify_owners({blocked_log, B}),
- loop(S);
- _ ->
- loop(S#state{queue = [{balog, B} | S#state.queue]})
- end;
-handle({From, {block, QueueLogRecs}}, S) ->
- case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
do_block(From, QueueLogRecs, L),
reply(From, ok, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {block, QueueLogRecs}} |
- S#state.queue]})
+ enqueue(Message, S)
end;
handle({From, unblock}, S) ->
case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
reply(From, {error, {not_blocked, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
S2 = do_unblock(L, S),
reply(From, ok, S2);
L ->
reply(From, {error, {not_blocked_by_pid, L#log.name}}, S)
end;
-handle({From, sync}, S) ->
+handle({From, sync}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- sync_loop([From], S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, [], [], [From], 0, LogFormat);
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, sync} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {truncate, Head, F, A}}, S) ->
+handle({From, {truncate, Head, F, A}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
H = merge_head(Head, L#log.head),
case catch do_trunc(L, H) of
ok ->
@@ -796,48 +766,46 @@ handle({From, {truncate, Head, F, A}}, S) ->
Error ->
do_exit(S, From, Error, ?failure(Error, F, A))
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {truncate, Head, F, A}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {chunk, Pos, B, N}}, S) ->
+handle({From, {chunk, Pos, B, N}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
R = do_chunk(L, Pos, B, N),
reply(From, R, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
R = do_chunk(L, Pos, B, N),
reply(From, R, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_L ->
- loop(S#state{queue = [{From, {chunk, Pos, B, N}} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {chunk_step, Pos, N}}, S) ->
+handle({From, {chunk_step, Pos, N}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
R = do_chunk_step(L, Pos, N),
reply(From, R, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
R = do_chunk_step(L, Pos, N),
reply(From, R, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {chunk_step, Pos, N}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_notify, Pid, NewNotify}}, S) ->
+handle({From, {change_notify, Pid, NewNotify}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case do_change_notify(L, Pid, NewNotify) of
{ok, L1} ->
put(log, L1),
@@ -845,39 +813,37 @@ handle({From, {change_notify, Pid, NewNotify}}, S) ->
Error ->
reply(From, Error, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_notify, Pid, NewNotify}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_header, NewHead}}, S) ->
+handle({From, {change_header, NewHead}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- case check_head(NewHead, L#log.format) of
+ #log{status = ok, format = Format}=L ->
+ case check_head(NewHead, Format) of
{ok, Head} ->
- put(log, L#log{head = mk_head(Head, L#log.format)}),
+ put(log, L#log{head = mk_head(Head, Format)}),
reply(From, ok, S);
Error ->
reply(From, Error, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_header, NewHead}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_size, NewSize}}, S) ->
+handle({From, {change_size, NewSize}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case check_size(L#log.type, NewSize) of
ok ->
case catch do_change_size(L, NewSize) of % does the put
@@ -894,23 +860,22 @@ handle({From, {change_size, NewSize}}, S) ->
not_ok ->
reply(From, {error, {badarg, size}}, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_size, NewSize}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, inc_wrap_file}, S) ->
+handle({From, inc_wrap_file}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.type =:= halt ->
+ #log{type = halt}=L ->
reply(From, {error, {halt_log, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case catch do_inc_wrap_file(L) of
{ok, L2, Lost} ->
put(log, L2),
@@ -920,20 +885,22 @@ handle({From, inc_wrap_file}, S) ->
put(log, L2),
reply(From, Error, state_err(S, Error))
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, inc_wrap_file} | S#state.queue]})
+ enqueue(Message, S)
end;
handle({From, {reopen, NewFile, Head, F, A}}, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok, L#log.filename =/= NewFile ->
+ #log{status = ok, filename = NewFile}=L ->
+ reply(From, {error, {same_file_name, L#log.name}}, S);
+ #log{status = ok}=L ->
case catch close_disk_log2(L) of
closed ->
File = L#log.filename,
@@ -966,8 +933,6 @@ handle({From, {reopen, NewFile, Head, F, A}}, S) ->
Error ->
do_exit(S, From, Error, ?failure(Error, F, A))
end;
- L when L#log.status =:= ok ->
- reply(From, {error, {same_file_name, L#log.name}}, S);
L ->
reply(From, {error, {blocked_log, L#log.name}}, S)
end;
@@ -1005,11 +970,11 @@ handle({From, close}, S) ->
end;
handle({From, info}, S) ->
reply(From, do_info(get(log), S#state.cnt), S);
-handle({'EXIT', From, Reason}, S) when From =:= S#state.parent ->
+handle({'EXIT', From, Reason}, #state{parent=From}=S) ->
%% Parent orders shutdown.
_ = do_stop(S),
exit(Reason);
-handle({'EXIT', From, Reason}, S) when From =:= S#state.server ->
+handle({'EXIT', From, Reason}, #state{server=From}=S) ->
%% The server is gone.
_ = do_stop(S),
exit(Reason);
@@ -1034,57 +999,59 @@ handle({system, From, Req}, S) ->
handle(_, S) ->
loop(S).
-sync_loop(From, S) ->
- log_loop(S, [], [], From, 0).
+enqueue(Message, #state{queue = Queue}=S) ->
+ loop(S#state{queue = [Message | Queue]}).
+
+%% Collect further log and sync requests already in the mailbox or queued
-define(MAX_LOOK_AHEAD, 64*1024).
%% Inlined.
-log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz) when CE =/= ok ->
+log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz, _F) when CE =/= ok ->
loop(cache_error(S, Pids));
-log_loop(#state{}=S, Pids, Bins, Sync, Sz) when Sz > ?MAX_LOOK_AHEAD ->
- loop(log_end(S, Pids, Bins, Sync));
-log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) ->
- receive
+log_loop(#state{}=S, Pids, Bins, Sync, Sz, _F) when Sz > ?MAX_LOOK_AHEAD ->
+ loop(log_end(S, Pids, Bins, Sync, Sz));
+log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz, F) ->
+ receive
Message ->
- log_loop(Message, Pids, Bins, Sync, Sz, S, get(log))
+ log_loop(Message, Pids, Bins, Sync, Sz, F, S)
after 0 ->
- loop(log_end(S, Pids, Bins, Sync))
+ loop(log_end(S, Pids, Bins, Sync, Sz))
end;
-log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz) ->
+log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz, F) ->
S1 = S#state{messages = Ms},
- log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)).
+ log_loop(M, Pids, Bins, Sync, Sz, F, S1).
%% Items logged after the last sync request found are sync:ed as well.
-log_loop({alog,B}, Pids, Bins, Sync, Sz, S, #log{format = internal}) ->
- %% {alog, _} allowed for the internal format only.
- log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({balog, B}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, {log, B}}, Pids, Bins, Sync, Sz, S, #log{format = internal}) ->
- %% {log, _} allowed for the internal format only.
- log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, {blog, B}}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, sync}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, Pids, Bins, [From | Sync], Sz);
-log_loop(Message, Pids, Bins, Sync, _Sz, S, _L) ->
- NS = log_end(S, Pids, Bins, Sync),
+log_loop({alog, internal, B}, Pids, Bins, Sync, Sz, internal=F, S) ->
+ %% alog of terms allowed for the internal format only
+ log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({alog, binary, B}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, {log, internal, B}}, Pids, Bins, Sync, Sz, internal=F, S) ->
+ %% log of terms allowed for the internal format only
+ log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, {log, binary, B}}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, sync}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, Pids, Bins, [From | Sync], Sz, F);
+log_loop(Message, Pids, Bins, Sync, Sz, _F, S) ->
+ NS = log_end(S, Pids, Bins, Sync, Sz),
handle(Message, NS).
-log_end(S, [], [], Sync) ->
+log_end(S, [], [], Sync, _Sz) ->
log_end_sync(S, Sync);
-log_end(S, Pids, Bins, Sync) ->
- case do_log(get(log), rflat(Bins)) of
+log_end(#state{cnt = Cnt}=S, Pids, Bins, Sync, Sz) ->
+ case do_log(get(log), rflat(Bins), Sz) of
N when is_integer(N) ->
ok = replies(Pids, ok),
- S1 = (state_ok(S))#state{cnt = S#state.cnt+N},
+ S1 = (state_ok(S))#state{cnt = Cnt + N},
log_end_sync(S1, Sync);
{error, {error, {full, _Name}}, N} when Pids =:= [] ->
- log_end_sync(state_ok(S#state{cnt = S#state.cnt + N}), Sync);
+ log_end_sync(state_ok(S#state{cnt = Cnt + N}), Sync);
{error, Error, N} ->
ok = replies(Pids, Error),
- state_err(S#state{cnt = S#state.cnt + N}, Error)
+ state_err(S#state{cnt = Cnt + N}, Error)
end.
%% Inlined.
@@ -1096,12 +1063,9 @@ log_end_sync(S, Sync) ->
state_err(S, Res).
%% Inlined.
-rflat([B]=L) when is_binary(B) -> L;
rflat([B]) -> B;
rflat(B) -> rflat(B, []).
-rflat([B | Bs], L) when is_binary(B) ->
- rflat(Bs, [B | L]);
rflat([B | Bs], L) ->
rflat(Bs, B ++ L);
rflat([], L) -> L.
@@ -1138,17 +1102,17 @@ close_owner(Pid, L, S) ->
S2 = do_unblock(Pid, get(log), S),
unlink(Pid),
do_close2(L1, S2).
-
+
%% -> {stop, S} | {continue, S}
-close_user(Pid, L, S) when L#log.users > 0 ->
- L1 = L#log{users = L#log.users - 1},
+close_user(Pid, #log{users=Users}=L, S) when Users > 0 ->
+ L1 = L#log{users = Users - 1},
put(log, L1),
S2 = do_unblock(Pid, get(log), S),
do_close2(L1, S2);
close_user(_Pid, _L, S) ->
{continue, S}.
-do_close2(L, S) when L#log.users =:= 0, L#log.owners =:= [] ->
+do_close2(#log{users = 0, owners = []}, S) ->
{stop, S};
do_close2(_L, S) ->
{continue, S}.
@@ -1227,14 +1191,14 @@ add_pid(Pid, Notify, L) when is_pid(Pid) ->
add_pid(_NotAPid, _Notify, L) ->
{ok, L#log{users = L#log.users + 1}}.
-unblock_pid(L) when L#log.blocked_by =:= none ->
+unblock_pid(#log{blocked_by = none}) ->
ok;
-unblock_pid(L) ->
- case is_owner(L#log.blocked_by, L) of
+unblock_pid(#log{blocked_by = Pid}=L) ->
+ case is_owner(Pid, L) of
{true, _Notify} ->
ok;
false ->
- unlink(L#log.blocked_by)
+ unlink(Pid)
end.
%% -> true | false
@@ -1326,7 +1290,7 @@ do_open(A) ->
end.
mk_head({head, Term}, internal) -> {ok, term_to_binary(Term)};
-mk_head({head, Bytes}, external) -> {ok, check_bytes(Bytes)};
+mk_head({head, Bytes}, external) -> {ok, ensure_binary(Bytes)};
mk_head(H, _) -> H.
terms2bins([T | Ts]) ->
@@ -1334,30 +1298,29 @@ terms2bins([T | Ts]) ->
terms2bins([]) ->
[].
-check_bytes_list([B | Bs], Bs0) when is_binary(B) ->
- check_bytes_list(Bs, Bs0);
-check_bytes_list([], Bs0) ->
+ensure_binary_list(Bs) ->
+ ensure_binary_list(Bs, Bs).
+
+ensure_binary_list([B | Bs], Bs0) when is_binary(B) ->
+ ensure_binary_list(Bs, Bs0);
+ensure_binary_list([], Bs0) ->
Bs0;
-check_bytes_list(_, Bs0) ->
- check_bytes_list(Bs0).
-
-check_bytes_list([B | Bs]) when is_binary(B) ->
- [B | check_bytes_list(Bs)];
-check_bytes_list([B | Bs]) ->
- [list_to_binary(B) | check_bytes_list(Bs)];
-check_bytes_list([]) ->
+ensure_binary_list(_, Bs0) ->
+ make_binary_list(Bs0).
+
+make_binary_list([B | Bs]) ->
+ [ensure_binary(B) | make_binary_list(Bs)];
+make_binary_list([]) ->
[].
-check_bytes(Binary) when is_binary(Binary) ->
- Binary;
-check_bytes(Bytes) ->
- list_to_binary(Bytes).
+ensure_binary(Bytes) ->
+ iolist_to_binary(Bytes).
%%-----------------------------------------------------------------
%% Change size of the logs in runtime.
%%-----------------------------------------------------------------
%% -> ok | {big, CurSize} | throw(Error)
-do_change_size(L, NewSize) when L#log.type =:= halt ->
+do_change_size(#log{type = halt}=L, NewSize) ->
Halt = L#log.extra,
CurB = Halt#halt.curB,
NewLog = L#log{extra = Halt#halt{size = NewSize}},
@@ -1373,7 +1336,7 @@ do_change_size(L, NewSize) when L#log.type =:= halt ->
true ->
{big, CurB}
end;
-do_change_size(L, NewSize) when L#log.type =:= wrap ->
+do_change_size(#log{type = wrap}=L, NewSize) ->
#log{extra = Extra, version = Version} = L,
{ok, Handle} = disk_log_1:change_size_wrap(Extra, NewSize, Version),
erase(is_full),
@@ -1388,7 +1351,7 @@ check_head({head_func, {M, F, A}}, _Format) when is_atom(M),
is_list(A) ->
{ok, {M, F, A}};
check_head({head, Head}, external) ->
- case catch check_bytes(Head) of
+ case catch ensure_binary(Head) of
{'EXIT', _} ->
{error, {badarg, head}};
_ ->
@@ -1674,7 +1637,7 @@ do_block(Pid, QueueLogRecs, L) ->
link(Pid)
end.
-do_unblock(Pid, L, S) when L#log.blocked_by =:= Pid ->
+do_unblock(Pid, #log{blocked_by = Pid}=L, S) ->
do_unblock(L, S);
do_unblock(_Pid, _L, S) ->
S.
@@ -1692,10 +1655,13 @@ do_unblock(L, S) ->
-spec do_log(#log{}, [binary()]) -> integer() | {'error', _, integer()}.
-do_log(L, B) when L#log.type =:= halt ->
+do_log(L, B) ->
+ do_log(L, B, iolist_size(B)).
+
+do_log(#log{type = halt}=L, B, BSz) ->
#log{format = Format, extra = Halt} = L,
#halt{curB = CurSize, size = Sz} = Halt,
- {Bs, BSize} = bsize(B, Format),
+ {Bs, BSize} = logl(B, Format, BSz),
case get(is_full) of
true ->
{error, {error, {full, L#log.name}}, 0};
@@ -1704,7 +1670,7 @@ do_log(L, B) when L#log.type =:= halt ->
undefined ->
halt_write_full(L, B, Format, 0)
end;
-do_log(L, B) when L#log.format_type =:= wrap_int ->
+do_log(#log{format_type = wrap_int}=L, B, _BSz) ->
case disk_log_1:mf_int_log(L#log.extra, B, L#log.head) of
{ok, Handle, Logged, Lost, Wraps} ->
notify_owners_wrap(Wraps),
@@ -1717,7 +1683,7 @@ do_log(L, B) when L#log.format_type =:= wrap_int ->
put(log, L#log{extra = Handle}),
{error, Error, Logged - Lost}
end;
-do_log(L, B) when L#log.format_type =:= wrap_ext ->
+do_log(#log{format_type = wrap_ext}=L, B, _BSz) ->
case disk_log_1:mf_ext_log(L#log.extra, B, L#log.head) of
{ok, Handle, Logged, Lost, Wraps} ->
notify_owners_wrap(Wraps),
@@ -1731,17 +1697,16 @@ do_log(L, B) when L#log.format_type =:= wrap_ext ->
{error, Error, Logged - Lost}
end.
-bsize(B, external) ->
- {B, xsz(B, 0)};
-bsize(B, internal) ->
+logl(B, external, undefined) ->
+ {B, iolist_size(B)};
+logl(B, external, Sz) ->
+ {B, Sz};
+logl(B, internal, _Sz) ->
disk_log_1:logl(B).
-xsz([B|T], Sz) -> xsz(T, byte_size(B) + Sz);
-xsz([], Sz) -> Sz.
-
halt_write_full(L, [Bin | Bins], Format, N) ->
B = [Bin],
- {Bs, BSize} = bsize(B, Format),
+ {Bs, BSize} = logl(B, Format, undefined),
Halt = L#log.extra,
#halt{curB = CurSize, size = Sz} = Halt,
if
@@ -1793,7 +1758,7 @@ do_sync(#log{type = wrap, extra = Handle} = Log) ->
Reply.
%% -> ok | Error | throw(Error)
-do_trunc(L, Head) when L#log.type =:= halt ->
+do_trunc(#log{type = halt}=L, Head) ->
#log{filename = FName, extra = Halt} = L,
FdC = Halt#halt.fdc,
{Reply1, FdC2} =
@@ -1822,7 +1787,7 @@ do_trunc(L, Head) when L#log.type =:= halt ->
end,
put(log, L#log{extra = NewHalt}),
Reply;
-do_trunc(L, Head) when L#log.type =:= wrap ->
+do_trunc(#log{type = wrap}=L, Head) ->
Handle = L#log.extra,
OldHead = L#log.head,
{MaxB, MaxF} = disk_log_1:get_wrap_size(Handle),
@@ -2016,8 +1981,7 @@ notify_owners(Note) ->
(_) -> ok
end, L#log.owners).
-cache_error(S, Pids) ->
- Error = S#state.cache_error,
+cache_error(#state{cache_error=Error}=S, Pids) ->
ok = replies(Pids, Error),
state_err(S#state{cache_error = ok}, Error).
diff --git a/lib/kernel/src/disk_log.hrl b/lib/kernel/src/disk_log.hrl
index 3262d979ee..593dbb31ab 100644
--- a/lib/kernel/src/disk_log.hrl
+++ b/lib/kernel/src/disk_log.hrl
@@ -39,6 +39,7 @@
-define(MAX_FILES, 65000).
-define(MAX_BYTES, ((1 bsl 64) - 1)).
-define(MAX_CHUNK_SIZE, 65536).
+-define(MAX_FWRITE_CACHE, 65536).
%% Object defines
-define(LOGMAGIC, <<1,2,3,4>>).
@@ -54,11 +55,10 @@
%% Types -- alphabetically
%%------------------------------------------------------------------------
--type dlog_byte() :: [dlog_byte()] | byte().
-type dlog_format() :: 'external' | 'internal'.
-type dlog_format_type() :: 'halt_ext' | 'halt_int' | 'wrap_ext' | 'wrap_int'.
-type dlog_head() :: 'none' | {'ok', binary()} | mfa().
--type dlog_head_opt() :: none | term() | binary() | [dlog_byte()].
+-type dlog_head_opt() :: none | term() | iodata().
-type log() :: term(). % XXX: refine
-type dlog_mode() :: 'read_only' | 'read_write'.
-type dlog_name() :: atom() | string().
diff --git a/lib/kernel/src/disk_log_1.erl b/lib/kernel/src/disk_log_1.erl
index 2e61363aa6..d83c30f35f 100644
--- a/lib/kernel/src/disk_log_1.erl
+++ b/lib/kernel/src/disk_log_1.erl
@@ -1416,24 +1416,36 @@ open_truncate(FileName) ->
%%% Functions that access files, and throw on error.
--define(MAX, 16384). % bytes
-define(TIMEOUT, 2000). % ms
%% -> {Reply, cache()}; Reply = ok | Error
-fwrite(#cache{c = []} = FdC, _FN, B, Size) ->
+fwrite(FdC, _FN, _B, 0) ->
+ {ok, FdC}; % avoid starting a timer for empty writes
+fwrite(#cache{fd = Fd, c = C, sz = Sz} = FdC, FileName, B, Size) ->
+ Sz1 = Sz + Size,
+ C1 = cache_append(C, B),
+ if Sz1 > ?MAX_FWRITE_CACHE ->
+ write_cache(Fd, FileName, C1);
+ true ->
+ maybe_start_timer(C),
+ {ok, FdC#cache{sz = Sz1, c = C1}}
+ end.
+
+cache_append([], B) -> B;
+cache_append(C, B) -> [C | B].
+
+%% if the cache was empty, start timer (unless it's already running)
+maybe_start_timer([]) ->
case get(write_cache_timer_is_running) of
- true ->
+ true ->
ok;
- _ ->
+ _ ->
put(write_cache_timer_is_running, true),
erlang:send_after(?TIMEOUT, self(), {self(), write_cache}),
ok
- end,
- {ok, FdC#cache{sz = Size, c = B}};
-fwrite(#cache{sz = Sz, c = C} = FdC, _FN, B, Size) when Sz < ?MAX ->
- {ok, FdC#cache{sz = Sz+Size, c = [C | B]}};
-fwrite(#cache{fd = Fd, c = C}, FileName, B, _Size) ->
- write_cache(Fd, FileName, [C | B]).
+ end;
+maybe_start_timer(_C) ->
+ ok.
fwrite_header(Fd, B, Size) ->
{ok, #cache{fd = Fd, sz = Size, c = B}}.
diff --git a/lib/kernel/src/erl_signal_handler.erl b/lib/kernel/src/erl_signal_handler.erl
new file mode 100644
index 0000000000..8f924d2adc
--- /dev/null
+++ b/lib/kernel/src/erl_signal_handler.erl
@@ -0,0 +1,57 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1996-2013. 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%
+%%
+
+-module(erl_signal_handler).
+-behaviour(gen_event).
+-export([init/1, format_status/2,
+ handle_event/2, handle_call/2, handle_info/2,
+ terminate/2, code_change/3]).
+
+-record(state,{}).
+
+init(_Args) ->
+ {ok, #state{}}.
+
+handle_event(sigusr1, S) ->
+ erlang:halt("Received SIGUSR1"),
+ {ok, S};
+handle_event(sigquit, S) ->
+ erlang:halt(),
+ {ok, S};
+handle_event(sigterm, S) ->
+ error_logger:info_msg("SIGTERM received - shutting down~n"),
+ ok = init:stop(),
+ {ok, S};
+handle_event(_SignalMsg, S) ->
+ {ok, S}.
+
+handle_info(_Info, S) ->
+ {ok, S}.
+
+handle_call(_Request, S) ->
+ {ok, ok, S}.
+
+format_status(_Opt, [_Pdict,_S]) ->
+ ok.
+
+code_change(_OldVsn, S, _Extra) ->
+ {ok, S}.
+
+terminate(_Args, _S) ->
+ ok.
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 7b3f1e313a..ad92aafc2f 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -35,7 +35,8 @@
dump_monitors/1, dump_links/1, flat_size/1,
get_internal_state/1, instructions/0, lock_counters/1,
map_info/1, same/2, set_internal_state/2,
- size_shared/1, copy_shared/1]).
+ size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2,
+ dirty/3]).
-spec breakpoint(MFA, Flag) -> non_neg_integer() when
MFA :: {Module :: module(),
@@ -182,6 +183,28 @@ same(_, _) ->
set_internal_state(_, _) ->
erlang:nif_error(undef).
+-spec dirty_cpu(Term1, Term2) -> term() when
+ Term1 :: term(),
+ Term2 :: term().
+
+dirty_cpu(_, _) ->
+ erlang:nif_error(undef).
+
+-spec dirty_io(Term1, Term2) -> term() when
+ Term1 :: term(),
+ Term2 :: term().
+
+dirty_io(_, _) ->
+ erlang:nif_error(undef).
+
+-spec dirty(Term1, Term2, Term3) -> term() when
+ Term1 :: term(),
+ Term2 :: term(),
+ Term3 :: term().
+
+dirty(_, _, _) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
%% size(Term)
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 6d94f7770f..79e72cdc6d 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -397,25 +397,36 @@ write_file(Name, Bin) ->
Modes :: [mode()],
Reason :: posix() | badarg | terminated | system_limit.
-write_file(Name, Bin, ModeList) when is_list(ModeList) ->
- case make_binary(Bin) of
- B when is_binary(B) ->
- case open(Name, [binary, write |
- lists:delete(binary,
- lists:delete(write, ModeList))]) of
- {ok, Handle} ->
- case write(Handle, B) of
- ok ->
- close(Handle);
- E1 ->
- _ = close(Handle),
- E1
- end;
- E2 ->
- E2
- end;
- E3 ->
- E3
+write_file(Name, IOData, ModeList) when is_list(ModeList) ->
+ case lists:member(raw, ModeList) of
+ true ->
+ %% For backwards compatibility of error messages
+ try iolist_size(IOData) of
+ _Size -> do_write_file(Name, IOData, ModeList)
+ catch
+ error:Error -> {error, Error}
+ end;
+ false ->
+ case make_binary(IOData) of
+ Bin when is_binary(Bin) ->
+ do_write_file(Name, Bin, ModeList);
+ Error ->
+ Error
+ end
+ end.
+
+do_write_file(Name, IOData, ModeList) ->
+ case open(Name, [binary, write | ModeList]) of
+ {ok, Handle} ->
+ case write(Handle, IOData) of
+ ok ->
+ close(Handle);
+ E1 ->
+ _ = close(Handle),
+ E1
+ end;
+ E2 ->
+ E2
end.
%% Obsolete, undocumented, local node only, don't use!.
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index 0c73ead7c5..5e8bc2ba5d 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -58,14 +58,18 @@
%%% In certain places in the server, calling io:format hangs everything,
%%% so we'd better use erlang:display/1.
%%% my_tracer is used in testsuites
--define(trace(_), ok).
+%% uncomment this if tracing is wanted
+%%-define(DEBUG, true).
+-ifdef(DEBUG).
+-define(trace(T), erlang:display({format, node(), cs(), T})).
+ cs() ->
+ {_Big, Small, Tiny} = erlang:timestamp(),
+ (Small rem 100) * 100 + (Tiny div 10000).
%-define(trace(T), (catch my_tracer ! {node(), {line,?LINE}, T})).
-
-%-define(trace(T), erlang:display({format, node(), cs(), T})).
-%cs() ->
-% {_Big, Small, Tiny} = now(),
-% (Small rem 100) * 100 + (Tiny div 10000).
+-else.
+-define(trace(_), ok).
+-endif.
%% These are the protocol versions:
%% Vsn 1 is the original protocol.
diff --git a/lib/kernel/src/hipe_ext_format.hrl b/lib/kernel/src/hipe_ext_format.hrl
index 102cb49a2b..05c678fdec 100644
--- a/lib/kernel/src/hipe_ext_format.hrl
+++ b/lib/kernel/src/hipe_ext_format.hrl
@@ -1,3 +1,15 @@
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+
%% hipe_x86_ext_format.hrl
%% Definitions for unified external object format
%% Currently: sparc, x86, amd64
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 087cceb5d8..f4c7c277ed 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -1,4 +1,15 @@
%% -*- erlang-indent-level: 2 -*-
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%% =======================================================================
%% Filename : hipe_unified_loader.erl
%% Module : hipe_unified_loader
@@ -41,10 +52,11 @@
% I think the real solution would be to let BIF erlang:load_module/2 redirect all
% hipe calls to the module and thereby remove post_beam_load.
+% SVERK: Can we remove -compile(no_native) now when post_beam_load is gone?
+
-export([chunk_name/1,
%% Only the code and code_server modules may call the entries below!
load_native_code/3,
- post_beam_load/1,
load_module/4,
load/3]).
@@ -101,15 +113,13 @@ word_size(Architecture) ->
load_native_code(_Mod, _Bin, undefined) ->
no_native;
load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) ->
- %% patch_to_emu(Mod),
case code:get_chunk(Bin, chunk_name(Architecture)) of
undefined -> no_native;
NativeCode when is_binary(NativeCode) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- OldReferencesToPatch = patch_to_emu_step1(Mod),
- case load_module(Mod, NativeCode, Bin, OldReferencesToPatch,
- Architecture) of
+ put(hipe_patch_closures, false),
+ case load_common(Mod, NativeCode, Bin, Architecture) of
bad_crc -> no_native;
Result -> Result
end
@@ -120,22 +130,6 @@ load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) ->
%%========================================================================
--spec post_beam_load([module()]) -> 'ok'.
-
-post_beam_load([])->
- ok;
-post_beam_load([_|_]=Mods) ->
- erlang:system_flag(multi_scheduling, block_normal),
- try
- _ = [patch_to_emu(Mod) || Mod <- Mods],
- ok
- after
- erlang:system_flag(multi_scheduling, unblock_normal)
- end,
- ok.
-
-%%========================================================================
-
version_check(Version, Mod) when is_atom(Mod) ->
Ver = ?VERSION_STRING(),
case Version < Ver of
@@ -153,19 +147,12 @@ version_check(Version, Mod) when is_atom(Mod) ->
load_module(Mod, Bin, Beam, Architecture) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- load_module_nosmp(Mod, Bin, Beam, Architecture)
+ put(hipe_patch_closures, false),
+ load_common(Mod, Bin, Beam, Architecture)
after
erlang:system_flag(multi_scheduling, unblock_normal)
end.
-load_module_nosmp(Mod, Bin, Beam, Architecture) ->
- load_module(Mod, Bin, Beam, [], Architecture).
-
-load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
- ?debug_msg("************ Loading Module ~w ************\n",[Mod]),
- %% Loading a whole module, let the BEAM loader patch closures.
- put(hipe_patch_closures, false),
- load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture).
%%========================================================================
@@ -175,20 +162,17 @@ load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
load(Mod, Bin, Architecture) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- load_nosmp(Mod, Bin, Architecture)
+ ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
+ %% Loading just some functions in a module; patch closures separately.
+ put(hipe_patch_closures, true),
+ load_common(Mod, Bin, [], Architecture)
after
erlang:system_flag(multi_scheduling, unblock_normal)
end.
-load_nosmp(Mod, Bin, Architecture) ->
- ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
- %% Loading just some functions in a module; patch closures separately.
- put(hipe_patch_closures, true),
- load_common(Mod, Bin, [], [], Architecture).
-
%%------------------------------------------------------------------------
-load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
+load_common(Mod, Bin, Beam, Architecture) ->
%% Unpack the binary.
[{Version, CheckSum},
ConstAlign, ConstSize, ConstMap, LabelMap, ExportMap,
@@ -215,29 +199,31 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
put(closures_to_patch, []),
WordSize = word_size(Architecture),
WriteWord = write_word_fun(WordSize),
+ LoaderState = hipe_bifs:alloc_loader_state(Mod),
+ put(hipe_loader_state, LoaderState),
%% Create data segment
{ConstAddr,ConstMap2} =
- create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord),
+ create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord,
+ LoaderState),
%% Find callees for which we may need trampolines.
CalleeMFAs = find_callee_mfas(Refs, Architecture),
%% Write the code to memory.
{CodeAddress,Trampolines} =
- enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam),
+ enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState),
%% Construct CalleeMFA-to-trampoline mapping.
TrampolineMap = mk_trampoline_map(CalleeMFAs, Trampolines,
Architecture),
%% Patch references to code labels in data seg.
ok = patch_consts(LabelMap, ConstAddr, CodeAddress, WriteWord),
+
%% Find out which functions are being loaded (and where).
- %% Note: Addresses are sorted descending.
- {MFAs,Addresses} = exports(ExportMap, CodeAddress),
- %% Remove references to old versions of the module.
- ReferencesToPatch = get_refs_from(MFAs, []),
- %% io:format("References to patch: ~w~n", [ReferencesToPatch]),
- ok = remove_refs_from(MFAs),
+ %% Note: FunDefs are sorted descending address order.
+ FunDefs = exports(ExportMap, CodeAddress),
+
%% Patch all dynamic references in the code.
%% Function calls, Atoms, Constants, System calls
- ok = patch(Refs, CodeAddress, ConstMap2, Addresses, TrampolineMap),
+
+ ok = patch(Refs, CodeAddress, ConstMap2, FunDefs, TrampolineMap),
%% Tell the system where the loaded funs are.
%% (patches the BEAM code to redirect to native.)
@@ -250,25 +236,22 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
lists:foreach(fun({FE, DestAddress}) ->
hipe_bifs:set_native_address_in_fe(FE, DestAddress)
end, erase(closures_to_patch)),
- export_funs(Addresses),
+ ok = hipe_bifs:commit_patch_load(LoaderState),
+ set_beam_call_traps(FunDefs),
ok;
BeamBinary when is_binary(BeamBinary) ->
%% Find all closures in the code.
[] = erase(closures_to_patch), %Clean up, assertion.
ClosurePatches = find_closure_patches(Refs),
AddressesOfClosuresToPatch =
- calculate_addresses(ClosurePatches, CodeAddress, Addresses),
- export_funs(Addresses),
- export_funs(Mod, MD5, BeamBinary,
- Addresses, AddressesOfClosuresToPatch)
+ calculate_addresses(ClosurePatches, CodeAddress, FunDefs),
+ export_funs(FunDefs),
+ make_beam_stub(Mod, LoaderState, MD5, BeamBinary, FunDefs,
+ AddressesOfClosuresToPatch)
end,
- %% Redirect references to the old module to the new module's BEAM stub.
- patch_to_emu_step2(OldReferencesToPatch),
- %% Patch referring functions to call the new function
- %% The call to export_funs/1 above updated the native addresses
- %% for the targets, so passing 'Addresses' is not needed.
- redirect(ReferencesToPatch),
+
%% Final clean up.
+ _ = erase(hipe_loader_state),
_ = erase(hipe_patch_closures),
_ = erase(hipe_assert_code_area),
?debug_msg("****************Loader Finished****************\n", []),
@@ -371,31 +354,31 @@ trampoline_map_lookup(Primop, Map) ->
is_exported :: boolean()}).
exports(ExportMap, BaseAddress) ->
- exports(ExportMap, BaseAddress, [], []).
+ exports(ExportMap, BaseAddress, []).
-exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, MFAs, Addresses) ->
+exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, FunDefs) ->
case IsExported andalso erlang:is_builtin(M, F, A) of
true ->
- exports(Rest, BaseAddress, MFAs, Addresses);
+ exports(Rest, BaseAddress, FunDefs);
_false ->
MFA = {M,F,A},
Address = BaseAddress + Offset,
FunDef = #fundef{address=Address, mfa=MFA, is_closure=IsClosure,
is_exported=IsExported},
- exports(Rest, BaseAddress, [MFA|MFAs], [FunDef|Addresses])
+ exports(Rest, BaseAddress, [FunDef|FunDefs])
end;
-exports([], _, MFAs, Addresses) ->
- {MFAs, Addresses}.
+exports([], _, FunDefs) ->
+ FunDefs.
mod({M,_F,_A}) -> M.
%%------------------------------------------------------------------------
-calculate_addresses(PatchOffsets, Base, Addresses) ->
+calculate_addresses(PatchOffsets, Base, FunDefs) ->
RemoteOrLocal = local, % closure code refs are local
[{Data,
offsets_to_addresses(Offsets, Base),
- get_native_address(DestMFA, Addresses, RemoteOrLocal)} ||
+ get_native_address(DestMFA, FunDefs, RemoteOrLocal)} ||
{{DestMFA,_,_}=Data,Offsets} <- PatchOffsets].
offsets_to_addresses(Os, Base) ->
@@ -424,9 +407,9 @@ find_closure_refs([], Refs) ->
%%------------------------------------------------------------------------
-export_funs([FunDef | Addresses]) ->
+set_beam_call_traps([FunDef | FunDefs]) ->
#fundef{address=Address, mfa=MFA, is_closure=IsClosure,
- is_exported=IsExported} = FunDef,
+ is_exported=_IsExported} = FunDef,
?IF_DEBUG({M,F,A} = MFA, no_debug),
?IF_DEBUG(
case IsClosure of
@@ -437,21 +420,38 @@ export_funs([FunDef | Addresses]) ->
?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n",
[M,F,A, Address])
end, no_debug),
- hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported),
hipe_bifs:set_native_address(MFA, Address, IsClosure),
- export_funs(Addresses);
+ set_beam_call_traps(FunDefs);
+set_beam_call_traps([]) ->
+ ok.
+
+export_funs([FunDef | FunDefs]) ->
+ #fundef{address=Address, mfa=MFA, is_closure=_IsClosure,
+ is_exported=IsExported} = FunDef,
+ ?IF_DEBUG({M,F,A} = MFA, no_debug),
+ ?IF_DEBUG(
+ case _IsClosure of
+ false ->
+ ?debug_msg("LINKING: ~w:~w/~w to (0x~.16b)\n",
+ [M,F,A, Address]);
+ true ->
+ ?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n",
+ [M,F,A, Address])
+ end, no_debug),
+ hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported),
+ export_funs(FunDefs);
export_funs([]) ->
ok.
-export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) ->
- Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- Addresses],
- Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch,MD5}),
+make_beam_stub(Mod, LoaderState, MD5, Beam, FunDefs, ClosuresToPatch) ->
+ Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- FunDefs],
+ Mod = code:make_stub_module(LoaderState, Beam, {Fs,ClosuresToPatch,MD5}),
ok.
%%========================================================================
%% Patching
%% @spec patch(refs(), BaseAddress::integer(), ConstAndZone::term(),
-%% Addresses::term(), TrampolineMap::term()) -> 'ok'.
+%% FunDefs::term(), TrampolineMap::term()) -> 'ok'.
%% @type refs()=[{RefType::integer(), Reflist::reflist()} | refs()]
%%
%% @type reflist()= [{Data::term(), Offsets::offests()}|reflist()]
@@ -463,39 +463,39 @@ export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) ->
%% (we use this to look up the address of a referred function only once).
%%
-patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, Addresses, TrampolineMap) ->
+patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, FunDefs, TrampolineMap) ->
?debug_msg("Patching ~w at [~w+offset] with ~w\n",
[Type,CodeAddress,SortedRefs]),
case ?EXT2PATCH_TYPE(Type) of
call_local ->
- patch_call(SortedRefs, CodeAddress, Addresses, 'local', TrampolineMap);
+ patch_call(SortedRefs, CodeAddress, FunDefs, 'local', TrampolineMap);
call_remote ->
- patch_call(SortedRefs, CodeAddress, Addresses, 'remote', TrampolineMap);
+ patch_call(SortedRefs, CodeAddress, FunDefs, 'remote', TrampolineMap);
Other ->
- patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, Addresses)
+ patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, FunDefs)
end,
- patch(Rest, CodeAddress, ConstMap2, Addresses, TrampolineMap);
+ patch(Rest, CodeAddress, ConstMap2, FunDefs, TrampolineMap);
patch([], _, _, _, _) -> ok.
%%----------------------------------------------------------------
%% Handle a 'call_local' or 'call_remote' patch.
%%
-patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, Addresses, RemoteOrLocal, TrampolineMap) ->
+patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap) ->
case bif_address(DestMFA) of
false ->
- %% Previous code used mfa_to_address(DestMFA, Addresses)
+ %% Previous code used mfa_to_address(DestMFA, FunDefs)
%% here for local calls. That is wrong because even local
- %% destinations may not be present in Addresses: they may
+ %% destinations may not be present in FunDefs: they may
%% not have been compiled yet, or they may be BEAM-only
%% functions (e.g. module_info).
- DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
+ DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
Trampoline = trampoline_map_get(DestMFA, TrampolineMap),
- patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline);
+ patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline);
BifAddress when is_integer(BifAddress) ->
Trampoline = trampoline_map_lookup(DestMFA, TrampolineMap),
patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline)
end,
- patch_call(SortedRefs, BaseAddress, Addresses, RemoteOrLocal, TrampolineMap);
+ patch_call(SortedRefs, BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap);
patch_call([], _, _, _, _) ->
ok.
@@ -506,49 +506,48 @@ patch_bif_call_list([Offset|Offsets], BaseAddress, BifAddress, Trampoline) ->
patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline);
patch_bif_call_list([], _, _, _) -> ok.
-patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline) ->
+patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline) ->
CallAddress = BaseAddress+Offset,
- add_ref(DestMFA, CallAddress, Addresses, 'call', Trampoline, RemoteOrLocal),
+ add_ref(DestMFA, CallAddress, FunDefs, 'call', Trampoline, RemoteOrLocal),
?ASSERT(assert_local_patch(CallAddress)),
patch_call_insn(CallAddress, DestAddress, Trampoline),
- patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline);
+ patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline);
patch_mfa_call_list([], _, _, _, _, _, _) -> ok.
patch_call_insn(CallAddress, DestAddress, Trampoline) ->
- %% This assertion is false when we're called from redirect/2.
- %% ?ASSERT(assert_local_patch(CallAddress)),
+ ?ASSERT(assert_local_patch(CallAddress)),
hipe_bifs:patch_call(CallAddress, DestAddress, Trampoline).
%% ____________________________________________________________________
%%
-patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, Addresses)->
- patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, Addresses),
- patch_all(Type, Rest, BaseAddress, ConstAndZone, Addresses);
+patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, FunDefs)->
+ patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, FunDefs),
+ patch_all(Type, Rest, BaseAddress, ConstAndZone, FunDefs);
patch_all(_, [], _, _, _) -> ok.
patch_all_offsets(Type, Data, [Offset|Offsets], BaseAddress,
- ConstAndZone, Addresses) ->
+ ConstAndZone, FunDefs) ->
?debug_msg("Patching ~w at [~w+~w] with ~w\n",
[Type,BaseAddress,Offset, Data]),
Address = BaseAddress + Offset,
- patch_offset(Type, Data, Address, ConstAndZone, Addresses),
+ patch_offset(Type, Data, Address, ConstAndZone, FunDefs),
?debug_msg("Patching done\n",[]),
- patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, Addresses);
+ patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, FunDefs);
patch_all_offsets(_, _, [], _, _, _) -> ok.
%%----------------------------------------------------------------
%% Handle any patch type except 'call_local' or 'call_remote'.
%%
-patch_offset(Type, Data, Address, ConstAndZone, Addresses) ->
+patch_offset(Type, Data, Address, ConstAndZone, FunDefs) ->
case Type of
load_address ->
- patch_load_address(Data, Address, ConstAndZone, Addresses);
+ patch_load_address(Data, Address, ConstAndZone, FunDefs);
load_atom ->
Atom = Data,
patch_atom(Address, Atom);
sdesc ->
- patch_sdesc(Data, Address, ConstAndZone, Addresses);
+ patch_sdesc(Data, Address, ConstAndZone, FunDefs);
x86_abs_pcrel ->
patch_instr(Address, Data, x86_abs_pcrel)
%% _ ->
@@ -561,37 +560,38 @@ patch_atom(Address, Atom) ->
patch_instr(Address, hipe_bifs:atom_to_word(Atom), atom).
patch_sdesc(?STACK_DESC(SymExnRA, FSize, Arity, Live),
- Address, {_ConstMap2,CodeAddress}, _Addresses) ->
+ Address, {_ConstMap2,CodeAddress}, FunDefs) ->
ExnRA =
case SymExnRA of
[] -> 0; % No catch
LabelOffset -> CodeAddress + LabelOffset
end,
?ASSERT(assert_local_patch(Address)),
- DBG_MFA = ?IF_DEBUG(address_to_mfa_lth(Address, _Addresses), {undefined,undefined,0}),
- hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, DBG_MFA}).
+ MFA = address_to_mfa_lth(Address, FunDefs),
+ hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, MFA},
+ get(hipe_loader_state)).
%%----------------------------------------------------------------
%% Handle a 'load_address'-type patch.
%%
-patch_load_address(Data, Address, ConstAndZone, Addresses) ->
+patch_load_address(Data, Address, ConstAndZone, FunDefs) ->
case Data of
{local_function,DestMFA} ->
- patch_load_mfa(Address, DestMFA, Addresses, 'local');
+ patch_load_mfa(Address, DestMFA, FunDefs, 'local');
{remote_function,DestMFA} ->
- patch_load_mfa(Address, DestMFA, Addresses, 'remote');
+ patch_load_mfa(Address, DestMFA, FunDefs, 'remote');
{constant,Name} ->
{ConstMap2,_CodeAddress} = ConstAndZone,
ConstAddress = find_const(Name, ConstMap2),
patch_instr(Address, ConstAddress, constant);
{closure,{DestMFA,Uniq,Index}} ->
- patch_closure(DestMFA, Uniq, Index, Address, Addresses);
+ patch_closure(DestMFA, Uniq, Index, Address, FunDefs);
{c_const,CConst} ->
patch_instr(Address, bif_address(CConst), c_const)
end.
-patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
+patch_closure(DestMFA, Uniq, Index, Address, FunDefs) ->
case get(hipe_patch_closures) of
false ->
[]; % This is taken care of when registering the module.
@@ -602,7 +602,7 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
%% address into the fun entry to ensure that the native code cannot
%% be called until it has been completely fixed up.
RemoteOrLocal = local, % closure code refs are local
- DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
+ DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
BEAMAddress = hipe_bifs:fun_to_address(DestMFA),
FE = hipe_bifs:get_fe(mod(DestMFA), {Uniq, Index, BEAMAddress}),
put(closures_to_patch, [{FE,DestAddress}|get(closures_to_patch)]),
@@ -616,17 +616,17 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
%% Patch an instruction loading the address of an MFA.
%% RemoteOrLocal ::= 'remote' | 'local'
%%
-patch_load_mfa(CodeAddress, DestMFA, Addresses, RemoteOrLocal) ->
+patch_load_mfa(CodeAddress, DestMFA, FunDefs, RemoteOrLocal) ->
+ ?ASSERT(assert_local_patch(CodeAddress)),
DestAddress =
case bif_address(DestMFA) of
false ->
- NativeAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
- add_ref(DestMFA, CodeAddress, Addresses, 'load_mfa', [], RemoteOrLocal),
+ NativeAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
+ add_ref(DestMFA, CodeAddress, FunDefs, 'load_mfa', [], RemoteOrLocal),
NativeAddress;
BifAddress when is_integer(BifAddress) ->
BifAddress
end,
- ?ASSERT(assert_local_patch(CodeAddress)),
patch_instr(CodeAddress, DestAddress, 'load_mfa').
%%----------------------------------------------------------------
@@ -702,9 +702,9 @@ bif_address(Name) when is_atom(Name) ->
%% memory, and produces a ConstMap2 mapping each constant's ConstNo to
%% its runtime address, tagged if the constant is a term.
%%
-create_data_segment(DataAlign, DataSize, DataList, WriteWord) ->
+create_data_segment(DataAlign, DataSize, DataList, WriteWord, LoaderState) ->
%%io:format("create_data_segment: \nDataAlign: ~p\nDataSize: ~p\nDataList: ~p\n",[DataAlign,DataSize,DataList]),
- DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize),
+ DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize, LoaderState),
enter_data(DataList, [], DataAddress, DataSize, WriteWord).
enter_data(List, ConstMap2, DataAddress, DataSize, WriteWord) ->
@@ -772,7 +772,7 @@ find_const(ConstNo, []) ->
%%----------------------------------------------------------------
%% Record that the code at address 'Address' has a reference
%% of type 'RefType' ('call' or 'load_mfa') to 'CalleeMFA'.
-%% 'Addresses' must be an address-descending list from exports/2.
+%% 'FunDefs' must be an address-descending list from exports/2.
%%
%% If 'RefType' is 'call', then 'Trampoline' may be the address
%% of a stub branching to 'CalleeMFA', where the stub is reachable
@@ -781,34 +781,29 @@ find_const(ConstNo, []) ->
%% RemoteOrLocal ::= 'remote' | 'local'.
%%
-%%
-%% -record(ref, {caller_mfa, address, ref_type, trampoline, remote_or_local}).
-%%
+add_ref(CalleeMFA, Address, FunDefs, RefType, Trampoline, RemoteOrLocal) ->
+ CallerMFA = address_to_mfa_lth(Address, FunDefs),
+ case RemoteOrLocal of
+ local ->
+ %% assert that the callee and caller are from the same module
+ {M,_,_} = CalleeMFA,
+ {M,_,_} = CallerMFA,
+ ok;
+ remote ->
+ hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline,
+ get(hipe_loader_state)})
+ end.
-add_ref(CalleeMFA, Address, Addresses, RefType, Trampoline, RemoteOrLocal) ->
- CallerMFA = address_to_mfa_lth(Address, Addresses),
- %% just a sanity assertion below
- true = case RemoteOrLocal of
- local ->
- {M1,_,_} = CalleeMFA,
- {M2,_,_} = CallerMFA,
- M1 =:= M2;
- remote ->
- true
- end,
- %% io:format("Adding ref ~w\n",[{CallerMFA, CalleeMFA, Address, RefType}]),
- hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline,RemoteOrLocal}).
-
-% For FunDefs sorted from low to high addresses
+%% For FunDefs sorted from low to high addresses
address_to_mfa_lth(Address, FunDefs) ->
- case address_to_mfa_lth(Address, FunDefs, false) of
- false ->
- ?error_msg("Local adddress not found ~w\n",[Address]),
- exit({?MODULE, local_address_not_found});
- MFA ->
- MFA
- end.
-
+ case address_to_mfa_lth(Address, FunDefs, false) of
+ false ->
+ ?error_msg("Local adddress not found ~w\n",[Address]),
+ exit({?MODULE, local_address_not_found});
+ MFA ->
+ MFA
+ end.
+
address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) ->
if Address < Adr ->
Prev;
@@ -818,107 +813,33 @@ address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) ->
address_to_mfa_lth(_Address, [], Prev) ->
Prev.
-% For FunDefs sorted from high to low addresses
+%% For FunDefs sorted from high to low addresses
%% address_to_mfa_htl(Address, [#fundef{address=Adr, mfa=MFA}|_Rest]) when Address >= Adr -> MFA;
%% address_to_mfa_htl(Address, [_ | Rest]) -> address_to_mfa_htl(Address, Rest);
%% address_to_mfa_htl(Address, []) ->
%% ?error_msg("Local adddress not found ~w\n",[Address]),
%% exit({?MODULE, local_address_not_found}).
-%%----------------------------------------------------------------
-%% Change callers of the given module to instead trap to BEAM.
-%% load_native_code/3 calls this just before loading native code.
-%%
-patch_to_emu(Mod) ->
- patch_to_emu_step2(patch_to_emu_step1(Mod)).
-
-%% Step 1 must occur before the loading of native code updates
-%% references information or creates a new BEAM stub module.
-patch_to_emu_step1(Mod) ->
- case is_loaded(Mod) of
- true ->
- %% Get exported functions
- MFAs = [{Mod,Fun,Arity} || {Fun,Arity} <- Mod:module_info(exports)],
- %% get_refs_from/2 only finds references from compiled static
- %% call sites to the module, but some native address entries
- %% were added as the result of dynamic apply calls. We must
- %% purge them too, but we have no explicit record of them.
- %% Therefore invalidate all native addresses for the module.
- hipe_bifs:invalidate_funinfo_native_addresses(MFAs),
- %% Find all call sites that call these MFAs. As a side-effect,
- %% create native stubs for any MFAs that are referred.
- ReferencesToPatch = get_refs_from(MFAs, []),
- ok = remove_refs_from(MFAs),
- ReferencesToPatch;
- false ->
- %% The first time we load the module, no redirection needs to be done.
- []
- end.
-
-%% Step 2 must occur after the new BEAM stub module is created.
-patch_to_emu_step2(ReferencesToPatch) ->
- redirect(ReferencesToPatch).
-
--spec is_loaded(Module::atom()) -> boolean().
-%% @doc Checks whether a module is loaded or not.
-is_loaded(M) when is_atom(M) ->
- try hipe_bifs:fun_to_address({M,module_info,0}) of
- I when is_integer(I) -> true
- catch _:_ -> false
- end.
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs, tag them with their referred_from references.
-%% The resulting {MFA,Refs} list is later passed to redirect/1, once
-%% the MFAs have been bound to (possibly new) native-code addresses.
-%%
-get_refs_from(MFAs, []) ->
- mark_referred_from(MFAs),
- MFAs.
-
-mark_referred_from(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:mark_referred_from(MFA) end, MFAs).
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs with referred_from references, update their
-%% callers to refer to their new native-code addresses.
-%%
-%% The {MFA,Refs} list must come from get_refs_from/2.
-%%
-redirect(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:redirect_referred_from(MFA) end, MFAs).
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs, remove all referred_from references having
-%% any of them as CallerMFA.
-%%
-%% This is the only place using refers_to. Whenever a reference is
-%% added from CallerMFA to CalleeMFA, CallerMFA is added to CalleeMFA's
-%% referred_from list, and CalleeMFA is added to CallerMFA's refers_to
-%% list. The refers_to list is used here to find the CalleeMFAs whose
-%% referred_from lists should be updated.
-%%
-remove_refs_from(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:remove_refs_from(MFA) end, MFAs).
%%--------------------------------------------------------------------
%% To find the native code of an MFA we need to look in 3 places:
-%% 1. If it is compiled now look in the Addresses data structure.
+%% 1. If it is compiled now look in the FunDefs data structure.
%% 2. Then look in native_addresses from module info.
%% 3. Then (the function might have been singled compiled) look in
%% hipe_funinfo
%% If all else fails create a native stub for the MFA
-get_native_address(MFA, Addresses, RemoteOrLocal) ->
- case mfa_to_address(MFA, Addresses, RemoteOrLocal) of
+get_native_address(MFA, FunDefs, RemoteOrLocal) ->
+ case mfa_to_address(MFA, FunDefs, RemoteOrLocal) of
Adr when is_integer(Adr) -> Adr;
false ->
- IsRemote =
case RemoteOrLocal of
- remote -> true;
- local -> false
- end,
- hipe_bifs:find_na_or_make_stub(MFA, IsRemote)
+ remote ->
+ hipe_bifs:find_na_or_make_stub(MFA);
+ local ->
+ ?error_msg("Local function ~p not found\n",[MFA]),
+ exit({function_not_found,MFA})
+ end
end.
mfa_to_address(MFA, [#fundef{address=Adr, mfa=MFA,
@@ -958,12 +879,10 @@ assert_local_patch(Address) when is_integer(Address) ->
%% ____________________________________________________________________
%%
-%% Beam: nil() | binary() (used as a flag)
-
-enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam) ->
+enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState) ->
true = byte_size(CodeBinary) =:= CodeSize,
- hipe_bifs:update_code_size(Mod, Beam, CodeSize),
- {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs),
+ {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs,
+ LoaderState),
?init_assert_patch(CodeAddress, byte_size(CodeBinary)),
{CodeAddress,Trampolines}.
diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl
index 465cec1b45..6cbb6ac2da 100644
--- a/lib/kernel/src/inet_db.erl
+++ b/lib/kernel/src/inet_db.erl
@@ -1379,7 +1379,8 @@ cache_rr(_Db, Cache, RR) ->
ets:insert(Cache, RR).
times() ->
- erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time),native,seconds).
+ erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time),
+ native, second).
%% lookup and remove old entries
diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src
index d184223524..25e4ddd95c 100644
--- a/lib/kernel/src/kernel.app.src
+++ b/lib/kernel/src/kernel.app.src
@@ -34,6 +34,7 @@
erl_boot_server,
erl_distribution,
erl_reply,
+ erl_signal_handler,
error_handler,
error_logger,
file,
@@ -118,6 +119,6 @@
{applications, []},
{env, [{error_logger, tty}]},
{mod, {kernel, []}},
- {runtime_dependencies, ["erts-8.1", "stdlib-3.0", "sasl-3.0"]}
+ {runtime_dependencies, ["erts-9.0", "stdlib-3.0", "sasl-3.0"]}
]
}.
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index 82cf73cbda..b505524471 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -18,9 +18,7 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
- {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-18.*
+ [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.*
%% Down to - max one major revision back
- [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
- {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-18.*
+ [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.*
}.
diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl
index 3d0ef81318..59eca242b1 100644
--- a/lib/kernel/src/kernel.erl
+++ b/lib/kernel/src/kernel.erl
@@ -32,6 +32,14 @@
start(_, []) ->
case supervisor:start_link({local, kernel_sup}, kernel, []) of
{ok, Pid} ->
+ %% add signal handler
+ case whereis(erl_signal_server) of
+ %% in case of minimal mode
+ undefined -> ok;
+ _ ->
+ ok = gen_event:add_handler(erl_signal_server, erl_signal_handler, [])
+ end,
+ %% add error handler
Type = get_error_logger_type(),
case error_logger:swap_handler(Type) of
ok -> {ok, Pid, []};
@@ -131,6 +139,9 @@ init([]) ->
permanent, 2000, worker, [inet_db]},
NetSup = {net_sup, {erl_distribution, start_link, []},
permanent, infinity, supervisor,[erl_distribution]},
+ SigSrv = #{id => erl_signal_server,
+ start => {gen_event, start_link, [{local, erl_signal_server}]},
+ type => worker, restart => permanent, shutdown => 2000, modules => dynamic},
DistAC = start_dist_ac(),
Timer = start_timer(),
@@ -141,7 +152,7 @@ init([]) ->
permanent, infinity, supervisor, [?MODULE]},
{ok, {SupFlags,
[Code, Rpc, Global, InetDb | DistAC] ++
- [NetSup, Glo_grp, File,
+ [NetSup, Glo_grp, File, SigSrv,
StdError, User, Config, SafeSupervisor] ++ Timer}}
end;
init(safe) ->
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index 0c679e7349..0a9f9316b0 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -26,15 +26,13 @@
%%-define(dist_debug, true).
-%-define(DBG,erlang:display([?MODULE,?LINE])).
-
-ifdef(dist_debug).
-define(debug(Term), erlang:display(Term)).
-else.
-define(debug(Term), ok).
-endif.
--ifdef(DEBUG).
+-ifdef(dist_debug).
-define(connect_failure(Node,Term),
io:format("Net Kernel 2: Failed connection to node ~p, reason ~p~n",
[Node,Term])).
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index f8519d3a5e..c3ffcb3f70 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -29,7 +29,7 @@
-export([getenv/0, getenv/1, getenv/2, getpid/0,
perf_counter/0, perf_counter/1,
- putenv/2, system_time/0, system_time/1,
+ putenv/2, set_signal/2, system_time/0, system_time/1,
timestamp/0, unsetenv/1]).
-spec getenv() -> [string()].
@@ -104,6 +104,15 @@ timestamp() ->
unsetenv(_) ->
erlang:nif_error(undef).
+-spec set_signal(Signal, Option) -> 'ok' when
+ Signal :: 'sighup' | 'sigquit' | 'sigabrt' | 'sigalrm' |
+ 'sigterm' | 'sigusr1' | 'sigusr2' | 'sigchld' |
+ 'sigstop' | 'sigtstp',
+ Option :: 'default' | 'handle' | 'ignore'.
+
+set_signal(_Signal, _Option) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
-spec type() -> {Osfamily, Osname} when
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 12:53:18 +0000