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-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl31
1 files changed, 29 insertions, 2 deletions
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 3da4b07c05..826d9ff088 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -24,7 +24,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
- controlling_process/1, no_accept/1, close_with_pending_output/1,
+ controlling_process/1, controlling_process_self/1,
+ no_accept/1, close_with_pending_output/1,
data_before_close/1, iter_max_socks/1, get_status/1,
passive_sockets/1, accept_closed_by_other_process/1,
init_per_testcase/2, end_per_testcase/2,
@@ -57,7 +58,7 @@ end_per_testcase(_Func, Config) ->
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [controlling_process, no_accept,
+ [controlling_process, controlling_process_self, no_accept,
close_with_pending_output, data_before_close,
iter_max_socks, passive_sockets,
accept_closed_by_other_process, otp_3924, closed_socket,
@@ -306,6 +307,32 @@ not_owner(S) ->
ok
end.
+controlling_process_self(doc) ->
+ ["Open a listen port and assign the controlling process to "
+ "it self, then exit and make sure the port is closed properly."];
+controlling_process_self(Config) when is_list(Config) ->
+ S = self(),
+ process_flag(trap_exit,true),
+ spawn_link(fun() ->
+ {ok,Sock} = gen_tcp:listen(0,[]),
+ S ! {socket, Sock},
+ ok = gen_tcp:controlling_process(Sock,self()),
+ S ! done
+ end),
+ receive
+ done ->
+ receive
+ {socket,Sock} ->
+ process_flag(trap_exit,false),
+ %% Make sure the port is invalid after process crash
+ {error,einval} = inet:port(Sock)
+ end;
+ Msg when element(1,Msg) /= socket ->
+ process_flag(trap_exit,false),
+ exit({unknown_msg,Msg})
+ end.
+
+
no_accept(doc) ->
["Open a listen port and connect to it, then close the listen port ",
"without doing any accept. The connected socket should receive ",