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-rw-r--r--lib/kernel/doc/src/inet.xml2
-rw-r--r--lib/kernel/test/init_SUITE.erl69
2 files changed, 70 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index a22c0a8346..f05a224f33 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -432,7 +432,7 @@ fe80::204:acff:fe17:bf38
</desc>
</func>
<func>
- <name>port(Socket) -> {ok, Port}</name>
+ <name>port(Socket) -> {ok, Port} | {error, any()}</name>
<fsummary>Return the local port number for a socket</fsummary>
<type>
<v>Socket = socket()</v>
diff --git a/lib/kernel/test/init_SUITE.erl b/lib/kernel/test/init_SUITE.erl
index 06bfe97bc4..2db0f7dcb8 100644
--- a/lib/kernel/test/init_SUITE.erl
+++ b/lib/kernel/test/init_SUITE.erl
@@ -24,6 +24,7 @@
init_per_group/2,end_per_group/2]).
-export([get_arguments/1, get_argument/1, boot_var/1, restart/1,
+ many_restarts/1,
get_plain_arguments/1,
reboot/1, stop/1, get_status/1, script_id/1]).
-export([boot1/1, boot2/1]).
@@ -43,6 +44,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[get_arguments, get_argument, boot_var,
+ many_restarts,
get_plain_arguments, restart, get_status, script_id,
{group, boot}].
@@ -317,6 +319,73 @@ is_real_system(KernelVsn, StdlibVsn) ->
%% Therefore the slave process must be killed
%% before restart.
%% ------------------------------------------------
+many_restarts(doc) -> [];
+many_restarts(suite) ->
+ case ?t:os_type() of
+ {Fam, _} when Fam == unix; Fam == win32 ->
+ {req, [distribution, {local_slave_nodes, 1}, {time, 5}]};
+ _ ->
+ {skip, "Only run on unix and win32"}
+ end;
+
+many_restarts(Config) when is_list(Config) ->
+ ?line Dog = ?t:timetrap(?t:seconds(480)),
+ ?line {ok, Node} = loose_node:start(init_test, "", ?DEFAULT_TIMEOUT_SEC),
+ ?line loop_restart(30,Node,rpc:call(Node,erlang,whereis,[error_logger])),
+ ?line loose_node:stop(Node),
+ ?line ?t:timetrap_cancel(Dog),
+ ok.
+
+loop_restart(0,_,_) ->
+ ok;
+loop_restart(N,Node,EHPid) ->
+ ?line erlang:monitor_node(Node, true),
+ ?line ok = rpc:call(Node, init, restart, []),
+ ?line receive
+ {nodedown, Node} ->
+ ok
+ after 10000 ->
+ loose_node:stop(Node),
+ ?t:fail(not_stopping)
+ end,
+ ?line ok = wait_for(30, Node, EHPid),
+ ?line loop_restart(N-1,Node,rpc:call(Node,erlang,whereis,[error_logger])).
+
+wait_for(0,Node,_) ->
+ loose_node:stop(Node),
+ error;
+wait_for(N,Node,EHPid) ->
+ ?line case rpc:call(Node, erlang, whereis, [error_logger]) of
+ Pid when is_pid(Pid), Pid =/= EHPid ->
+ %% ?line erlang:display(ok),
+ ?line ok;
+ _X ->
+ %% ?line erlang:display(_X),
+ %% ?line Procs = rpc:call(Node, erlang, processes, []),
+ %% ?line erlang:display(Procs),
+ %% case is_list(Procs) of
+ %% true ->
+ %% ?line [(catch erlang:display(
+ %% rpc:call(Node,
+ %% erlang,
+ %% process_info,
+ %% [Y,registered_name])))
+ %% || Y <- Procs];
+ %% _ ->
+ %% ok
+ %% end,
+ receive
+ after 100 ->
+ ok
+ end,
+ ?line wait_for(N-1,Node,EHPid)
+ end.
+
+%% ------------------------------------------------
+%% Slave executes erlang:halt() on master nodedown.
+%% Therefore the slave process must be killed
+%% before restart.
+%% ------------------------------------------------
restart(doc) -> [];
restart(suite) ->
case ?t:os_type() of