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File 4043-kernel-test-Tweaked-some-test-case-s-to-use-inet-drv.patch of Package erlang (Revision 7ca8474baff281f894ff6ebde8ccfe01)

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From 92cc055d97a4c7bc1c4209009d0f0993d2026bfb Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Thu, 5 May 2022 12:32:29 +0200
Subject: [PATCH 3/7] [kernel|test] Tweaked (some) test case(s) to use inet-drv
 debug

OTP-18032
---
 lib/kernel/test/gen_sctp_SUITE.erl     |  5 ++++-
 lib/kernel/test/gen_tcp_api_SUITE.erl  |  5 ++++-
 lib/kernel/test/gen_tcp_misc_SUITE.erl | 25 ++++++++++++++++++++-----
 lib/kernel/test/gen_udp_SUITE.erl      |  3 ++-
 4 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl
index 46b227af07..297c824965 100644
--- a/lib/kernel/test/gen_sctp_SUITE.erl
+++ b/lib/kernel/test/gen_sctp_SUITE.erl
@@ -690,6 +690,9 @@ flush() ->
 
 %% Test the API function open/1,2 and close/1.
 api_open_close(Config) when is_list(Config) ->
+    ?TC_TRY(?FUNCTION_NAME, fun() -> do_api_open_close() end).
+
+do_api_open_close() ->
     {ok,S1} = gen_sctp:open(0),
     {ok,P}  = inet:port(S1),
     ok      = gen_sctp:close(S1),
@@ -706,7 +709,7 @@ api_open_close(Config) when is_list(Config) ->
     {ok,P}  = inet:port(S4),
     ok      = gen_sctp:close(S4),
 
-    {ok,S5} = gen_sctp:open(P, [{ifaddr,any}]),
+    {ok,S5} = gen_sctp:open(P, [{debug, false}, {ifaddr,any}, {debug, true}]),
     {ok,P}  = inet:port(S5),
     ok      = gen_sctp:close(S5),
 
diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl
index a0eb14dd70..cd2da3f1c9 100644
--- a/lib/kernel/test/gen_tcp_api_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_api_SUITE.erl
@@ -638,8 +638,10 @@ do_t_fdconnect(Config) ->
     FD = gen_tcp_api_SUITE:getsockfd(),
     ?P("try connect (to port ~w) using file descriptor ~w", [LPort, FD]),
     COpts = ?INET_BACKEND_OPTS(Config) ++ [{fd, FD}, {active, false}],
-    Client = try gen_tcp:connect(localhost, LPort, COpts) of
+    %% The debug is just to "see" that it (debug) "works"...
+    Client = try gen_tcp:connect(localhost, LPort, COpts ++ [{debug, true}]) of
                  {ok, CSock} ->
+                     ok = inet:setopts(CSock, [{debug, false}]),
                      CSock;
                  {error, eaddrnotavail = CReason} ->
                      gen_tcp:close(L),
@@ -890,6 +892,7 @@ do_local_fdopen(Config) ->
     ?P("listen socket created: ~p"
        "~n   => try connect ~p", [L, ConnectOpts]),
     C0 = ok(gen_tcp:connect(SAddr, 0, ConnectOpts)),
+    ok = inet:setopts(C0, [{debug, true}]),
     ?P("connected: ~p"
        "~n   => get fd", [C0]),
     Fd = if
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 0cddac77db..e19815e44a 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -628,16 +628,25 @@ controlling_process_self(Config) when is_list(Config) ->
 %% without doing any accept.  The connected socket should receive
 %% a tcp_closed message.
 no_accept(Config) when is_list(Config) ->
-    {ok, L}         = ?LISTEN(Config, 0, []),
+    ?P("create listen socket"),
+    %% LOpts = [{debug, true}],
+    LOpts = [],
+    {ok, L}         = ?LISTEN(Config, 0, LOpts),
     {ok, {_, Port}} = inet:sockname(L),
-    {ok, Client}    = ?CONNECT(Config, localhost, Port, []),
+    ?P("create connection socket"),
+    %% COpts = [{debug, true}],
+    COpts = [],
+    {ok, Client}    = ?CONNECT(Config, localhost, Port, COpts),
+    ?P("close listen socket"),
     ok = gen_tcp:close(L),
+    ?P("await connection socket closed"),
     receive
         {tcp_closed, Client} ->
+            ?P("connection socket closed message received => OK"),
             ok
     after 5000 ->
-            ct:fail(never_closed)
-    
+            ?P("connection socket closed message *not* received => FAIL"),
+            ct:fail(never_closed)    
     end.
 
 %% Send several packets to a socket and close it.  All packets should
@@ -695,6 +704,7 @@ do_close_with_pending_output(Node, Config) ->
     ?P("~w -> sender spawned - accept connection", [?FUNCTION_NAME]),
     {ok, A} = gen_tcp:accept(L),
     ?P("~w -> connection accepted - recv ~w data", [?FUNCTION_NAME, Total]),
+    %% ok = inet:setopts(A, [{debug, true}]),    
     case gen_tcp:recv(A, Total) of
         {ok, Bin} when byte_size(Bin) == Total ->
             ?P("~w -> [OK] received expected ~w bytes of data - "
@@ -747,7 +757,11 @@ do_active_n(Config) ->
     N = 3,
     LS = ok(?LISTEN(Config, 0, [{active,N}])),
     [{active,N}] = ok(inet:getopts(LS, [active])),
-    ok = inet:setopts(LS, [{active,-N}]),
+    %% ok = inet:setopts(LS, [{active,-N}]),
+    %% The point of this is to "demonstrate" that its possible to 
+    %% enable and then later disable debug in one (setopts) call!
+    %% Note the order! Its reversed!!
+    ok = inet:setopts(LS, [{debug, false}, {active,-N}, {debug, true}]),
     receive
         {tcp_passive, LS} -> ok
     after
@@ -1354,6 +1368,7 @@ do_sort(Config, P, List0) ->
             {error, eaddrnotavail = Reason} ->
                 ?SKIPT(connect_failed_str(Reason))
         end,
+    ok = inet:setopts(S, [{debug, true}]),
     send_lines(S, List),
     ok = gen_tcp:shutdown(S, write),
     Lines = collect_lines(S, true),
diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl
index de14325dd3..075dd84b64 100644
--- a/lib/kernel/test/gen_udp_SUITE.erl
+++ b/lib/kernel/test/gen_udp_SUITE.erl
@@ -561,7 +561,8 @@ do_binary_passive_recv(Config) when is_list(Config) ->
     D2       = iolist_to_binary(D3),
     B        = D2,
     ?P("open receive socket"),
-    {ok, R}  = ?OPEN(Config, 0, [binary, {active, false}]),
+    {ok, R}  = ?OPEN(Config, 0, [binary, {active, false}, {debug, true}]),
+    ok = inet:setopts(R, [{debug, false}]),
     {ok, RP} = inet:port(R),
     ?P("open send socket"),
     {ok, S}  = ?OPEN(Config, 0),
-- 
2.35.3

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File 4043-kernel-test-Tweaked-some-test-case-s-to-use-inet-drv.patch of Package erlang (Revision 7ca8474baff281f894ff6ebde8ccfe01)

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