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-rw-r--r--erts/preloaded/src/init.erl135
1 files changed, 85 insertions, 50 deletions
diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl
index 551ca4ea40..9e3de87e08 100644
--- a/erts/preloaded/src/init.erl
+++ b/erts/preloaded/src/init.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -32,8 +32,8 @@
%% (Optional - default efile)
%% -hosts [Node] : List of hosts from which we can boot.
%% (Mandatory if -loader inet)
-%% -mode embedded : Load all modules at startup, no automatic loading
-%% -mode interactive : Auto load modules (default system behaviour).
+%% -mode interactive : Auto load modules not needed at startup (default system behaviour).
+%% -mode embedded : Load all modules in the boot script, disable auto loading.
%% -path : Override path in bootfile.
%% -pa Path+ : Add my own paths first.
%% -pz Path+ : Add my own paths last.
@@ -200,8 +200,11 @@ boot(BootArgs) ->
register(init, self()),
process_flag(trap_exit, true),
- %% Load the tracer nif
+ %% Load the static nifs
+ zlib:on_load(),
erl_tracer:on_load(),
+ prim_buffer:on_load(),
+ prim_file:on_load(),
{Start0,Flags,Args} = parse_boot_args(BootArgs),
%% We don't get to profile parsing of BootArgs
@@ -263,21 +266,30 @@ boot(Start,Flags,Args) ->
boot_loop(BootPid,State).
%%% Convert a term to a printable string, if possible.
-to_string(X) when is_list(X) -> % assume string
+to_string(X, D) when is_list(X), D < 4 -> % assume string
F = flatten(X, []),
case printable_list(F) of
- true -> F;
- false -> ""
+ true when length(F) > 0 -> F;
+ _false ->
+ List = [to_string(E, D+1) || E <- X],
+ flatten(["[",join(List),"]"], [])
end;
-to_string(X) when is_atom(X) ->
+to_string(X, _D) when is_list(X) ->
+ "[_]";
+to_string(X, _D) when is_atom(X) ->
atom_to_list(X);
-to_string(X) when is_pid(X) ->
+to_string(X, _D) when is_pid(X) ->
pid_to_list(X);
-to_string(X) when is_float(X) ->
+to_string(X, _D) when is_float(X) ->
float_to_list(X);
-to_string(X) when is_integer(X) ->
+to_string(X, _D) when is_integer(X) ->
integer_to_list(X);
-to_string(_X) ->
+to_string(X, D) when is_tuple(X), D < 4 ->
+ List = [to_string(E, D+1) || E <- tuple_to_list(X)],
+ flatten(["{",join(List),"}"], []);
+to_string(X, _D) when is_tuple(X) ->
+ "{_}";
+to_string(_X, _D) ->
"". % can't do anything with it
%% This is an incorrect and narrow definition of printable characters.
@@ -291,6 +303,13 @@ printable_list([$\t|T]) -> printable_list(T);
printable_list([]) -> true;
printable_list(_) -> false.
+join([] = T) ->
+ T;
+join([_Elem] = T) ->
+ T;
+join([Elem|T]) ->
+ [Elem,","|join(T)].
+
flatten([H|T], Tail) when is_list(H) ->
flatten(H, flatten(T, Tail));
flatten([H|T], Tail) ->
@@ -299,7 +318,7 @@ flatten([], Tail) ->
Tail.
things_to_string([X|Rest]) ->
- " (" ++ to_string(X) ++ ")" ++ things_to_string(Rest);
+ " (" ++ to_string(X, 0) ++ ")" ++ things_to_string(Rest);
things_to_string([]) ->
"".
@@ -307,9 +326,8 @@ halt_string(String, List) ->
String ++ things_to_string(List).
%% String = string()
-%% List = [string() | atom() | pid() | number()]
-%% Any other items in List, such as tuples, are ignored when creating
-%% the string used as argument to erlang:halt/1.
+%% List = [string() | atom() | pid() | number() | list() | tuple()]
+%% Items in List are truncated if found to be too large
-spec crash(_, _) -> no_return().
crash(String, List) ->
halt(halt_string(String, List)).
@@ -467,7 +485,12 @@ do_handle_msg(Msg,State) ->
X ->
case whereis(user) of
undefined ->
- catch error_logger ! {info, self(), {self(), X, []}};
+ Time = erlang:monotonic_time(microsecond),
+ catch logger ! {log, info, "init got unexpected: ~p", [X],
+ #{pid=>self(),
+ gl=>self(),
+ time=>Time,
+ error_logger=>#{tag=>info_msg}}};
User ->
User ! X,
ok
@@ -527,6 +550,8 @@ stop(Reason,State) ->
do_stop(Reason,State1).
do_stop(restart,#state{start = Start, flags = Flags, args = Args}) ->
+ %% Make sure we don't have any outstanding messages before doing the restart.
+ flush(),
boot(Start,Flags,Args);
do_stop(reboot,_) ->
halt();
@@ -539,8 +564,18 @@ do_stop({stop,Status},State) ->
clear_system(BootPid,State) ->
Heart = get_heart(State#state.kernel),
- shutdown_pids(Heart,BootPid,State),
- unload(Heart).
+ Logger = get_logger(State#state.kernel),
+ shutdown_pids(Heart,Logger,BootPid,State),
+ unload(Heart),
+ kill_em([Logger]),
+ do_unload([logger_server]).
+
+flush() ->
+ receive
+ _M -> flush()
+ after 0 ->
+ ok
+ end.
stop_heart(State) ->
case get_heart(State#state.kernel) of
@@ -553,19 +588,26 @@ stop_heart(State) ->
shutdown_kernel_pid(Pid, BootPid, self(), State)
end.
-shutdown_pids(Heart,BootPid,State) ->
+shutdown_pids(Heart,Logger,BootPid,State) ->
Timer = shutdown_timer(State#state.flags),
catch shutdown(State#state.kernel,BootPid,Timer,State),
- kill_all_pids(Heart), % Even the shutdown timer.
- kill_all_ports(Heart),
+ kill_all_pids(Heart,Logger), % Even the shutdown timer.
+ kill_all_ports(Heart), % Logger has no ports
flush_timout(Timer).
-get_heart([{heart,Pid}|_Kernel]) -> Pid;
-get_heart([_|Kernel]) -> get_heart(Kernel);
-get_heart(_) -> false.
+get_heart(Kernel) ->
+ get_kernelpid(heart,Kernel).
+get_logger(Kernel) ->
+ get_kernelpid(logger,Kernel).
-shutdown([{heart,_Pid}|Kernel],BootPid,Timer,State) ->
+get_kernelpid(Name,[{Name,Pid}|_Kernel]) -> Pid;
+get_kernelpid(Name,[_|Kernel]) -> get_kernelpid(Name,Kernel);
+get_kernelpid(_,_) -> false.
+
+
+shutdown([{Except,_Pid}|Kernel],BootPid,Timer,State)
+ when Except==heart; Except==logger ->
shutdown(Kernel, BootPid, Timer, State);
shutdown([{_Name,Pid}|Kernel],BootPid,Timer,State) ->
shutdown_kernel_pid(Pid, BootPid, Timer, State),
@@ -617,24 +659,25 @@ resend(_) ->
%%
%% Kill all existing pids in the system (except init and heart).
-kill_all_pids(Heart) ->
- case get_pids(Heart) of
+kill_all_pids(Heart,Logger) ->
+ case get_pids(Heart,Logger) of
[] ->
ok;
Pids ->
kill_em(Pids),
- kill_all_pids(Heart) % Continue until all are really killed.
+ kill_all_pids(Heart,Logger) % Continue until all are really killed.
end.
%% All except system processes.
-get_pids(Heart) ->
+get_pids(Heart,Logger) ->
Pids = [P || P <- processes(), not erts_internal:is_system_process(P)],
- delete(Heart,self(),Pids).
+ delete(Heart,Logger,self(),Pids).
-delete(Heart,Init,[Heart|Pids]) -> delete(Heart,Init,Pids);
-delete(Heart,Init,[Init|Pids]) -> delete(Heart,Init,Pids);
-delete(Heart,Init,[Pid|Pids]) -> [Pid|delete(Heart,Init,Pids)];
-delete(_,_,[]) -> [].
+delete(Heart,Logger,Init,[Heart|Pids]) -> delete(Heart,Logger,Init,Pids);
+delete(Heart,Logger,Init,[Logger|Pids]) -> delete(Heart,Logger,Init,Pids);
+delete(Heart,Logger,Init,[Init|Pids]) -> delete(Heart,Logger,Init,Pids);
+delete(Heart,Logger,Init,[Pid|Pids]) -> [Pid|delete(Heart,Logger,Init,Pids)];
+delete(_,_,_,[]) -> [].
kill_em([Pid|Pids]) ->
exit(Pid,kill),
@@ -664,9 +707,9 @@ kill_all_ports(_,_) ->
ok.
unload(false) ->
- do_unload(sub(erlang:pre_loaded(),erlang:loaded()));
+ do_unload(sub([logger_server|erlang:pre_loaded()],erlang:loaded()));
unload(_) ->
- do_unload(sub([heart|erlang:pre_loaded()],erlang:loaded())).
+ do_unload(sub([heart,logger_server|erlang:pre_loaded()],erlang:loaded())).
do_unload([M|Mods]) ->
catch erlang:purge_module(M),
@@ -674,16 +717,8 @@ do_unload([M|Mods]) ->
catch erlang:purge_module(M),
do_unload(Mods);
do_unload([]) ->
- purge_all_hipe_refs(),
ok.
-purge_all_hipe_refs() ->
- case erlang:system_info(hipe_architecture) of
- undefined -> ok;
- _ -> hipe_bifs:remove_refs_from(all)
- end.
-
-
sub([H|T],L) -> sub(T,del(H,L));
sub([],L) -> L.
@@ -932,15 +967,15 @@ load_rest([], _) ->
prepare_loading_fun() ->
fun(Mod, FullName, Beam) ->
case erlang:prepare_loading(Mod, Beam) of
- Prepared when is_binary(Prepared) ->
+ {error,_}=Error ->
+ Error;
+ Prepared ->
case erlang:has_prepared_code_on_load(Prepared) of
true ->
{ok,{on_load,Beam,FullName}};
false ->
{ok,{prepared,Prepared,FullName}}
- end;
- {error,_}=Error ->
- Error
+ end
end
end.
@@ -1084,7 +1119,7 @@ start_it({eval,Bin}) ->
{ok,Ts,_} = erl_scan:string(Str),
Ts1 = case reverse(Ts) of
[{dot,_}|_] -> Ts;
- TsR -> reverse([{dot,1} | TsR])
+ TsR -> reverse([{dot,erl_anno:new(1)} | TsR])
end,
{ok,Expr} = erl_parse:parse_exprs(Ts1),
{value, _Value, _Bs} = erl_eval:exprs(Expr, erl_eval:new_bindings()),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:20:00 +0000