File 0272-kernel-esock-test-Tweak-test-if-sctp-is-supported.patch of Package erlang

From ef56939dab7dc00005dbe55732c6bcf087a6c768 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Mon, 26 Apr 2021 16:41:51 +0200
Subject: [PATCH 2/3] [kernel|esock|test] Tweak test if sctp is supported

---
 lib/kernel/test/socket_SUITE.erl    | 46 ++++++++++++++++++++++++-----
 lib/kernel/test/socket_test_lib.erl | 12 +++++---
 2 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/lib/kernel/test/socket_SUITE.erl b/lib/kernel/test/socket_SUITE.erl
index 6f5e778047..d2a7f02260 100644
--- a/lib/kernel/test/socket_SUITE.erl
+++ b/lib/kernel/test/socket_SUITE.erl
@@ -662,6 +662,8 @@
 -define(TT(T),      ct:timetrap(T)).
 
 -define(F(F, A),    ?LIB:f(F, A)).
+-define(P(F),       ?LIB:print(F)).
+-define(P(F, A),    ?LIB:print(F, A)).
 
 
 -define(TPP_SMALL,  lists:seq(1, 8)).
@@ -25320,10 +25322,24 @@ reg_s_single_open_and_close_and_count() ->
         ] ++
         case SupportsSCTP of
             true ->
-                [
-                 {inet, seqpacket, sctp},
-                 {inet, seqpacket, sctp}
-                ];
+                %% On some platforms this is not enough,
+                %% we need to actually check this "by doing it"...
+                ?P("test open sctp socket"),
+                case socket:open(inet,
+                                 seqpacket,
+                                 sctp,
+                                 #{use_registry => false}) of
+                    {ok, S} ->
+                        ?P("test open sctp socket: success"),
+                        (catch socket:close(S)),
+                        [
+                         {inet, seqpacket, sctp},
+                         {inet, seqpacket, sctp}
+                        ];
+                    {error, _} ->
+                        ?P("test open sctp socket: failed"),
+                        []
+                end;
             false ->
                 []
         end ++
@@ -25333,10 +25349,24 @@ reg_s_single_open_and_close_and_count() ->
         ] ++
         case SupportsSCTP andalso SupportsIPV6 of
             true ->
-                [
-                 {inet6, seqpacket, sctp},
-                 {inet6, seqpacket, sctp}
-                ];
+                %% On some platforms this is not enough,
+                %% we need to actually check this "by doing it"...
+                ?P("test open sctp socket"),
+                case socket:open(inet6,
+                                 seqpacket,
+                                 sctp,
+                                 #{use_registry => false}) of
+                    {ok, S6} ->
+                        ?P("test open sctp socket: success"),
+                        (catch socket:close(S6)),
+                        [
+                         {inet6, seqpacket, sctp},
+                         {inet6, seqpacket, sctp}
+                        ];
+                    {error, _} ->
+                        ?P("test open sctp socket: failed"),
+                        []
+                end;
             false ->
                 []
         end,
diff --git a/lib/kernel/test/socket_test_lib.erl b/lib/kernel/test/socket_test_lib.erl
index 01b69953bc..15e5cae111 100644
--- a/lib/kernel/test/socket_test_lib.erl
+++ b/lib/kernel/test/socket_test_lib.erl
@@ -35,6 +35,7 @@
 
          %% String and format
          f/2,
+         print/1, print/2,
 
          %% Generic 'has support' test function(s)
          has_support_ipv6/0,
@@ -101,11 +102,7 @@ formated_timestamp() ->
 
 format_timestamp({_N1, _N2, _N3} = TS) ->
     {_Date, Time}   = calendar:now_to_local_time(TS),
-    %% {YYYY,MM,DD}   = Date,
     {Hour,Min,Sec} = Time,
-    %% FormatTS = 
-    %%     io_lib:format("~.4w-~.2.0w-~.2.0w ~.2.0w:~.2.0w:~.2.0w.~w",
-    %%                   [YYYY, MM, DD, Hour, Min, Sec, N3]),  
     FormatTS = io_lib:format("~.2.0w:~.2.0w:~.2.0w", [Hour, Min, Sec]),  
     lists:flatten(FormatTS).
 
@@ -116,6 +113,13 @@ f(F, A) ->
     lists:flatten(io_lib:format(F, A)).
 
 
+print(F) ->
+    print(F, []).
+
+print(F, A) ->
+    io:format("~s ~p " ++ F ++ "~n", [formated_timestamp(), self() | A]).
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 has_support_ipv6() ->
-- 
2.26.2