aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/kernel/doc/src/notes.xml16
-rw-r--r--lib/kernel/src/net_kernel.erl112
-rw-r--r--lib/kernel/vsn.mk6
3 files changed, 85 insertions, 49 deletions
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index 9c3f6524ae..f069050d4a 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -30,6 +30,22 @@
</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 2.13.5.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Under certain circumstances the net kernel could hang.
+ (Thanks to Scott Lystig Fritchie.)</p>
+ <p>
+ Own Id: OTP-8643 Aux Id: seq11584</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 2.13.5.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index 3afaedf274..9078b6ee5c 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1996-2010. 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(net_kernel).
@@ -354,13 +354,13 @@ init({Name, LongOrShortNames, TickT}) ->
%% The response is delayed until the connection is up and
%% running.
%%
-handle_call({connect, _, Node}, _From, State) when Node =:= node() ->
- {reply, true, State};
+handle_call({connect, _, Node}, From, State) when Node =:= node() ->
+ async_reply({reply, true, State}, From);
handle_call({connect, Type, Node}, From, State) ->
verbose({connect, Type, Node}, 1, State),
case ets:lookup(sys_dist, Node) of
[Conn] when Conn#connection.state =:= up ->
- {reply, true, State};
+ async_reply({reply, true, State}, From);
[Conn] when Conn#connection.state =:= pending ->
Waiting = Conn#connection.waiting,
ets:insert(sys_dist, Conn#connection{waiting = [From|Waiting]}),
@@ -376,19 +376,19 @@ handle_call({connect, Type, Node}, From, State) ->
{noreply,State#state{conn_owners=Owners}};
_ ->
?connect_failure(Node, {setup_call, failed}),
- {reply, false, State}
+ async_reply({reply, false, State}, From)
end
end;
%%
%% Close the connection to Node.
%%
-handle_call({disconnect, Node}, _From, State) when Node =:= node() ->
- {reply, false, State};
-handle_call({disconnect, Node}, _From, State) ->
+handle_call({disconnect, Node}, From, State) when Node =:= node() ->
+ async_reply({reply, false, State}, From);
+handle_call({disconnect, Node}, From, State) ->
verbose({disconnect, Node}, 1, State),
{Reply, State1} = do_disconnect(Node, State),
- {reply, Reply, State1};
+ async_reply({reply, Reply, State1}, From);
%%
%% The spawn/4 BIF ends up here.
@@ -411,39 +411,40 @@ handle_call({spawn_opt,M,F,A,O,L,Gleader},{From,Tag},State) when is_pid(From) ->
%%
%% Only allow certain nodes.
%%
-handle_call({allow, Nodes}, _From, State) ->
+handle_call({allow, Nodes}, From, State) ->
case all_atoms(Nodes) of
true ->
Allowed = State#state.allowed,
- {reply,ok,State#state{allowed = Allowed ++ Nodes}};
+ async_reply({reply,ok,State#state{allowed = Allowed ++ Nodes}},
+ From);
false ->
- {reply,error,State}
+ async_reply({reply,error,State}, From)
end;
%%
%% authentication, used by auth. Simply works as this:
%% if the message comes through, the other node IS authorized.
%%
-handle_call({is_auth, _Node}, _From, State) ->
- {reply,yes,State};
+handle_call({is_auth, _Node}, From, State) ->
+ async_reply({reply,yes,State}, From);
%%
%% Not applicable any longer !?
%%
handle_call({apply,_Mod,_Fun,_Args}, {From,Tag}, State)
when is_pid(From), node(From) =:= node() ->
- gen_server:reply({From,Tag}, not_implemented),
+ async_gen_server_reply({From,Tag}, not_implemented),
% Port = State#state.port,
% catch apply(Mod,Fun,[Port|Args]),
{noreply,State};
-handle_call(longnames, _From, State) ->
- {reply, get(longnames), State};
+handle_call(longnames, From, State) ->
+ async_reply({reply, get(longnames), State}, From);
-handle_call({update_publish_nodes, Ns}, _From, State) ->
- {reply, ok, State#state{publish_on_nodes = Ns}};
+handle_call({update_publish_nodes, Ns}, From, State) ->
+ async_reply({reply, ok, State#state{publish_on_nodes = Ns}}, From);
-handle_call({publish_on_node, Node}, _From, State) ->
+handle_call({publish_on_node, Node}, From, State) ->
NewState = case State#state.publish_on_nodes of
undefined ->
State#state{publish_on_nodes =
@@ -457,11 +458,12 @@ handle_call({publish_on_node, Node}, _From, State) ->
Nodes ->
lists:member(Node, Nodes)
end,
- {reply, Publish, NewState};
+ async_reply({reply, Publish, NewState}, From);
-handle_call({verbose, Level}, _From, State) ->
- {reply, State#state.verbose, State#state{verbose = Level}};
+handle_call({verbose, Level}, From, State) ->
+ async_reply({reply, State#state.verbose, State#state{verbose = Level}},
+ From);
%%
%% Set new ticktime
@@ -471,16 +473,16 @@ handle_call({verbose, Level}, _From, State) ->
%% #tick_change{} record if the ticker process has been upgraded;
%% otherwise, an integer or an atom.
-handle_call(ticktime, _, #state{tick = #tick{time = T}} = State) ->
- {reply, T, State};
-handle_call(ticktime, _, #state{tick = #tick_change{time = T}} = State) ->
- {reply, {ongoing_change_to, T}, State};
+handle_call(ticktime, From, #state{tick = #tick{time = T}} = State) ->
+ async_reply({reply, T, State}, From);
+handle_call(ticktime, From, #state{tick = #tick_change{time = T}} = State) ->
+ async_reply({reply, {ongoing_change_to, T}, State}, From);
-handle_call({new_ticktime,T,_TP}, _, #state{tick = #tick{time = T}} = State) ->
+handle_call({new_ticktime,T,_TP}, From, #state{tick = #tick{time = T}} = State) ->
?tckr_dbg(no_tick_change),
- {reply, unchanged, State};
+ async_reply({reply, unchanged, State}, From);
-handle_call({new_ticktime,T,TP}, _, #state{tick = #tick{ticker = Tckr,
+handle_call({new_ticktime,T,TP}, From, #state{tick = #tick{ticker = Tckr,
time = OT}} = State) ->
?tckr_dbg(initiating_tick_change),
start_aux_ticker(T, OT, TP),
@@ -493,14 +495,15 @@ handle_call({new_ticktime,T,TP}, _, #state{tick = #tick{ticker = Tckr,
?tckr_dbg(shorter_ticktime),
shorter
end,
- {reply, change_initiated, State#state{tick = #tick_change{ticker = Tckr,
- time = T,
- how = How}}};
+ async_reply({reply, change_initiated,
+ State#state{tick = #tick_change{ticker = Tckr,
+ time = T,
+ how = How}}}, From);
-handle_call({new_ticktime,_,_},
+handle_call({new_ticktime,From,_},
_,
#state{tick = #tick_change{time = T}} = State) ->
- {reply, {ongoing_change_to, T}, State}.
+ async_reply({reply, {ongoing_change_to, T}, State}, From).
%% ------------------------------------------------------------
%% handle_cast.
@@ -1063,11 +1066,12 @@ safesend(Pid, Mess) -> Pid ! Mess.
-endif.
do_spawn(SpawnFuncArgs, SpawnOpts, State) ->
+ [_,From|_] = SpawnFuncArgs,
case catch spawn_opt(?MODULE, spawn_func, SpawnFuncArgs, SpawnOpts) of
- {'EXIT', {Reason,_}} ->
- {reply, {'EXIT', {Reason,[]}}, State};
- {'EXIT', Reason} ->
- {reply, {'EXIT', {Reason,[]}}, State};
+ {'EXIT', {Reason,_}} ->
+ async_reply({reply, {'EXIT', {Reason,[]}}, State}, From);
+ {'EXIT', Reason} ->
+ async_reply({reply, {'EXIT', {Reason,[]}}, State}, From);
_ ->
{noreply,State}
end.
@@ -1079,11 +1083,11 @@ do_spawn(SpawnFuncArgs, SpawnOpts, State) ->
spawn_func(link,{From,Tag},M,F,A,Gleader) ->
link(From),
- gen_server:reply({From,Tag},self()), %% ahhh
+ async_gen_server_reply({From,Tag},self()), %% ahhh
group_leader(Gleader,self()),
apply(M,F,A);
spawn_func(_,{From,Tag},M,F,A,Gleader) ->
- gen_server:reply({From,Tag},self()), %% ahhh
+ async_gen_server_reply({From,Tag},self()), %% ahhh
group_leader(Gleader,self()),
apply(M,F,A).
@@ -1409,7 +1413,7 @@ reply_waiting(_Node, Waiting, Rep) ->
reply_waiting1(lists:reverse(Waiting), Rep).
reply_waiting1([From|W], Rep) ->
- gen_server:reply(From, Rep),
+ async_gen_server_reply(From, Rep),
reply_waiting1(W, Rep);
reply_waiting1([], _) ->
ok.
@@ -1511,3 +1515,19 @@ verbose(_, _, _) ->
getnode(P) when is_pid(P) -> node(P);
getnode(P) -> P.
+
+async_reply({reply, Msg, State}, From) ->
+ async_gen_server_reply(From, Msg),
+ {noreply, State}.
+
+async_gen_server_reply(From, Msg) ->
+ {Pid, Tag} = From,
+ M = {Tag, Msg},
+ case catch erlang:send(Pid, M, [nosuspend, noconnect]) of
+ true ->
+ M;
+ false ->
+ spawn(fun() -> gen_server:reply(From, Msg) end);
+ EXIT ->
+ EXIT
+ end.
diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk
index 18c97c4749..2b3918a7d5 100644
--- a/lib/kernel/vsn.mk
+++ b/lib/kernel/vsn.mk
@@ -1,4 +1,4 @@
-#
+#
# %CopyrightBegin%
#
# Copyright Ericsson AB 1997-2010. All Rights Reserved.
@@ -15,6 +15,6 @@
# under the License.
#
# %CopyrightEnd%
-#
+#
-KERNEL_VSN = 2.13.5.1
+KERNEL_VSN = 2.13.5.2
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 23:07:40 +0000