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-rw-r--r--lib/kernel/src/application.erl12
-rw-r--r--lib/kernel/src/disk_log.erl22
-rw-r--r--lib/kernel/src/global.erl23
-rw-r--r--lib/kernel/src/user_drv.erl8
4 files changed, 38 insertions, 27 deletions
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index fa3a4c3d36..caac4d926c 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -28,8 +28,6 @@
-export([get_application/0, get_application/1, info/0]).
-export([start_type/0]).
--export([behaviour_info/1]).
-
%%%-----------------------------------------------------------------
-type start_type() :: 'normal'
@@ -59,12 +57,12 @@
%%------------------------------------------------------------------
--spec behaviour_info(atom()) -> 'undefined' | [{atom(), byte()}].
+-callback start(StartType :: normal | {takeover, node()} | {failover, node()},
+ StartArgs :: term()) ->
+ {ok, pid()} | {ok, pid(), State :: term()} | {error, Reason :: term}.
-behaviour_info(callbacks) ->
- [{start,2},{stop,1}];
-behaviour_info(_Other) ->
- undefined.
+-callback stop(State :: term()) ->
+ term().
%%%-----------------------------------------------------------------
%%% This module is API towards application_controller and
diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl
index 9b8d2db437..d6bc23be6d 100644
--- a/lib/kernel/src/disk_log.erl
+++ b/lib/kernel/src/disk_log.erl
@@ -1240,20 +1240,29 @@ is_owner(Pid, L) ->
%% ok | throw(Error)
rename_file(File, NewFile, halt) ->
- file:rename(File, NewFile);
+ case file:rename(File, NewFile) of
+ ok ->
+ ok;
+ Else ->
+ file_error(NewFile, Else)
+ end;
rename_file(File, NewFile, wrap) ->
rename_file(wrap_file_extensions(File), File, NewFile, ok).
-rename_file([Ext|Exts], File, NewFile, Res) ->
- NRes = case file:rename(add_ext(File, Ext), add_ext(NewFile, Ext)) of
+rename_file([Ext|Exts], File, NewFile0, Res) ->
+ NewFile = add_ext(NewFile0, Ext),
+ NRes = case file:rename(add_ext(File, Ext), NewFile) of
ok ->
Res;
Else ->
- Else
+ file_error(NewFile, Else)
end,
- rename_file(Exts, File, NewFile, NRes);
+ rename_file(Exts, File, NewFile0, NRes);
rename_file([], _File, _NewFiles, Res) -> Res.
+file_error(FileName, {error, Error}) ->
+ {error, {file_error, FileName, Error}}.
+
%% "Old" error messages have been kept, arg_mismatch has been added.
%%-spec compare_arg(dlog_options(), #arg{},
compare_arg([], _A, none, _OrigHead) ->
@@ -1947,7 +1956,8 @@ monitor_request(Pid, Req) ->
receive
{'DOWN', Ref, process, Pid, _Info} ->
{error, no_such_log};
- {disk_log, Pid, Reply} ->
+ {disk_log, Pid, Reply} when not is_tuple(Reply) orelse
+ element(2, Reply) =/= disk_log_stopped ->
erlang:demonitor(Ref),
receive
{'DOWN', Ref, process, Pid, _Reason} ->
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index 7d15f8bf83..fa97614eca 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -28,7 +28,7 @@
%% External exports
-export([start/0, start_link/0, stop/0, sync/0, sync/1,
- safe_whereis_name/1, whereis_name/1, register_name/2,
+ whereis_name/1, register_name/2,
register_name/3, register_name_external/2, register_name_external/3,
unregister_name_external/1,re_register_name/2, re_register_name/3,
unregister_name/1, registered_names/0, send/2, node_disconnected/1,
@@ -203,10 +203,6 @@ send(Name, Msg) ->
whereis_name(Name) ->
where(Name).
--spec safe_whereis_name(term()) -> pid() | 'undefined'.
-safe_whereis_name(Name) ->
- gen_server:call(global_name_server, {whereis, Name}, infinity).
-
node_disconnected(Node) ->
global_name_server ! {nodedown, Node}.
@@ -510,8 +506,7 @@ init([]) ->
%% delay can sometimes be quite substantial. Global guarantees that
%% the name will eventually be removed, but there is no
%% synchronization between nodes; the name can be removed from some
-%% node(s) long before it is removed from other nodes. Using
-%% safe_whereis_name is no cure.
+%% node(s) long before it is removed from other nodes.
%%
%% - Global cannot handle problems with the distribution very well.
%% Depending on the value of the kernel variable 'net_ticktime' long
@@ -589,10 +584,6 @@ init([]) ->
{'reply', term(), state()} |
{'stop', 'normal', 'stopped', state()}.
-handle_call({whereis, Name}, From, S) ->
- do_whereis(Name, From),
- {noreply, S};
-
handle_call({registrar, Fun}, From, S) ->
S#state.the_registrar ! {trans_all_known, Fun, From},
{noreply, S};
@@ -1235,7 +1226,15 @@ ins_name_ext(Name, Pid, Method, RegNode, FromPidOrNode, ExtraInfo, S0) ->
where(Name) ->
case ets:lookup(global_names, Name) of
- [{_Name, Pid, _Method, _RPid, _Ref}] -> Pid;
+ [{_Name, Pid, _Method, _RPid, _Ref}] ->
+ if node(Pid) == node() ->
+ case is_process_alive(Pid) of
+ true -> Pid;
+ false -> undefined
+ end;
+ true ->
+ Pid
+ end;
[] -> undefined
end.
diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl
index c34f2ddeb0..e33b4830ab 100644
--- a/lib/kernel/src/user_drv.erl
+++ b/lib/kernel/src/user_drv.erl
@@ -117,8 +117,9 @@ server1(Iport, Oport, Shell) ->
{Curr,Shell1} =
case init:get_argument(remsh) of
{ok,[[Node]]} ->
- RShell = {list_to_atom(Node),shell,start,[]},
- RGr = group:start(self(), RShell),
+ ANode = list_to_atom(Node),
+ RShell = {ANode,shell,start,[]},
+ RGr = group:start(self(), RShell, rem_sh_opts(ANode)),
{RGr,RShell};
E when E =:= error ; E =:= {ok,[[]]} ->
{group:start(self(), Shell),Shell}
@@ -134,6 +135,9 @@ server1(Iport, Oport, Shell) ->
%% Enter the server loop.
server_loop(Iport, Oport, Curr, User, Gr).
+rem_sh_opts(Node) ->
+ [{expand_fun,fun(B)-> rpc:call(Node,edlin_expand,expand,[B]) end}].
+
%% start_user()
%% Start a group leader process and register it as 'user', unless,
%% of course, a 'user' already exists.