aboutsummaryrefslogtreecommitdiffstats
path: root/erts/preloaded/src/init.erl
diff options
context:
space:
mode:
Diffstat (limited to 'erts/preloaded/src/init.erl')
-rw-r--r--erts/preloaded/src/init.erl51
1 files changed, 22 insertions, 29 deletions
diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl
index b5c1d46e60..197bc5fde8 100644
--- a/erts/preloaded/src/init.erl
+++ b/erts/preloaded/src/init.erl
@@ -23,7 +23,6 @@
%% a local file or distributed from another erlang node.
%%
%% Flags:
-%% -id Identity : identity of the system.
%% -boot File : Absolute file name of the boot script.
%% -boot_var Var Value
%% : $Var in the boot script is expanded to
@@ -693,17 +692,15 @@ sleep(T) -> receive after T -> ok end.
%%% The loader shall run for ever!
%%% -------------------------------------------------
-start_prim_loader(Init,Id,Pgm,Nodes,Path,{Pa,Pz}) ->
- case erl_prim_loader:start(Id,Pgm,Nodes) of
- {ok,Pid} when Path =:= false ->
- InitPath = append(Pa,["."|Pz]),
- erl_prim_loader:set_path(InitPath),
- add_to_kernel(Init,Pid),
- Pid;
+start_prim_loader(Init, Path0, {Pa,Pz}) ->
+ Path = case Path0 of
+ false -> Pa ++ ["."|Pz];
+ _ -> Path0
+ end,
+ case erl_prim_loader:start() of
{ok,Pid} ->
erl_prim_loader:set_path(Path),
- add_to_kernel(Init,Pid),
- Pid;
+ add_to_kernel(Init, Pid);
{error,Reason} ->
erlang:display({"cannot start loader",Reason}),
exit(Reason)
@@ -717,13 +714,6 @@ add_to_kernel(Init,Pid) ->
ok
end.
-prim_load_flags(Flags) ->
- PortPgm = get_flag(loader, Flags, <<"efile">>),
- Hosts = get_flag_list(hosts, Flags, []),
- Id = get_flag(id, Flags, none),
- Path = get_flag_list(path, Flags, false),
- {PortPgm, Hosts, Id, Path}.
-
%%% -------------------------------------------------
%%% The boot process fetches a boot script and loads
%%% all modules specified and starts spec. processes.
@@ -736,12 +726,10 @@ do_boot(Flags,Start) ->
do_boot(Init,Flags,Start) ->
process_flag(trap_exit,true),
- {Pgm0,Nodes,Id,Path} = prim_load_flags(Flags),
Root = get_root(Flags),
+ Path = get_flag_list(path, Flags, false),
{Pa,Pz} = PathFls = path_flags(Flags),
- Pgm = b2s(Pgm0),
- _Pid = start_prim_loader(Init,b2a(Id),Pgm,bs2as(Nodes),
- bs2ss(Path),PathFls),
+ start_prim_loader(Init, bs2ss(Path), PathFls),
BootFile = bootfile(Flags,Root),
BootList = get_boot(BootFile,Root),
LoadMode = b2a(get_flag(mode, Flags, false)),
@@ -854,11 +842,18 @@ eval_script([{kernel_load_completed}|T], #es{load_mode=Mode}=Es0) ->
_ -> Es0#es{prim_load=false}
end,
eval_script(T, Es);
-eval_script([{primLoad,Mods}|T], #es{prim_load=PrimLoad}=Es)
+eval_script([{primLoad,[Mod]}|T], #es{prim_load=true}=Es) ->
+ %% Common special case (loading of error_handler). Nothing
+ %% to gain by parallel loading.
+ File = atom_to_list(Mod) ++ objfile_extension(),
+ {ok,Full} = load_mod(Mod, File),
+ init ! {self(),loaded,{Mod,Full}}, % Tell init about loaded module
+ eval_script(T, Es);
+eval_script([{primLoad,Mods}|T], #es{init=Init,prim_load=PrimLoad}=Es)
when is_list(Mods) ->
case PrimLoad of
true ->
- load_modules(Mods);
+ load_modules(Mods, Init);
false ->
%% Do not load now, code_server does that dynamically!
ok
@@ -878,12 +873,12 @@ eval_script([], #es{}) ->
eval_script(What, #es{}) ->
exit({'unexpected command in bootfile',What}).
-load_modules([Mod|Mods]) ->
+load_modules([Mod|Mods], Init) ->
File = concat([Mod,objfile_extension()]),
{ok,Full} = load_mod(Mod,File),
- init ! {self(),loaded,{Mod,Full}}, %% Tell init about loaded module
- load_modules(Mods);
-load_modules([]) ->
+ Init ! {self(),loaded,{Mod,Full}}, %Tell init about loaded module
+ load_modules(Mods, Init);
+load_modules([], _) ->
ok.
make_path(Pa, Pz, Path, Vars) ->
@@ -1244,8 +1239,6 @@ concat([S|T]) ->
concat([]) ->
[].
-append(L, Z) -> L ++ Z.
-
append([E]) -> E;
append([H|T]) ->
H ++ append(T);