File 0702-mnesia-Reduce-io-and-crashreports-from-tes... of Package erlang

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File 0702-mnesia-Reduce-io-and-crashreports-from-test-runs.patch of Package erlang (Revision d2a82c32ce0452ccd2b016fb84350e59)

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From 85c4022622525e9a26a72813fc0aaffdaa54132d Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Wed, 27 Oct 2021 12:10:35 +0200
Subject: [PATCH 2/3] mnesia: Reduce io and crashreports from test runs

Avoid crashreports for every testcase which starts with killing
any mnesia node.

And do not log the initialization in the plugins, which is also done
in every testcase.
---
 lib/mnesia/src/mnesia.erl     | 11 ++++++-----
 lib/mnesia/src/mnesia_sup.erl | 18 +++++++++++++++---
 lib/mnesia/test/ext_test.erl  |  7 ++-----
 3 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/lib/mnesia/src/mnesia.erl b/lib/mnesia/src/mnesia.erl
index 028deccea4..0d139e7867 100644
--- a/lib/mnesia/src/mnesia.erl
+++ b/lib/mnesia/src/mnesia.erl
@@ -316,28 +316,30 @@ kill() ->
 
 ms() ->
     [
+     mnesia_sup,
+     mnesia_kernel_sup,
+     mnesia_checkpoint_sup,
+     mnesia_snmp_sup,
+     mnesia_ext_sup,
+
      mnesia,
      mnesia_app,
      mnesia_backup,
      mnesia_bup,
      mnesia_checkpoint,
-     mnesia_checkpoint_sup,
      mnesia_controller,
      mnesia_dumper,
      mnesia_loader,
      mnesia_frag,
      mnesia_frag_hash,
      mnesia_index,
-     mnesia_kernel_sup,
      mnesia_late_loader,
      mnesia_lib,
      mnesia_log,
      mnesia_registry,
      mnesia_schema,
      mnesia_snmp_hook,
-     mnesia_snmp_sup,
      mnesia_subscr,
-     mnesia_sup,
      mnesia_text,
      mnesia_tm,
      mnesia_recover,
@@ -345,7 +347,6 @@ ms() ->
 
      %% Keep these last in the list, so
      %% mnesia_sup kills these last
-     mnesia_ext_sup,
      mnesia_monitor,
      mnesia_event
     ].
diff --git a/lib/mnesia/src/mnesia_sup.erl b/lib/mnesia/src/mnesia_sup.erl
index fd5156d2a4..6deda768ec 100644
--- a/lib/mnesia/src/mnesia_sup.erl
+++ b/lib/mnesia/src/mnesia_sup.erl
@@ -88,13 +88,25 @@ add_event_handler() ->
 
 kill() ->
     Mnesia = [mnesia_fallback | mnesia:ms()],
-    Kill = fun(Name) -> try exit(whereis(Name), kill) catch _:_ -> ok end end,
+    Kill = fun
+               (mnesia_sup) ->
+                   try  %% Avoid crash reports
+                       Sup = whereis(mnesia_sup),
+                       {_,Dict} = process_info(Sup, dictionary),
+                       [App] = proplists:get_value('$ancestors', Dict),
+                       unlink(App),
+                       exit(Sup, kill),
+                       App ! {'EXIT', Sup, normal}
+                   catch _:_ -> ok end;
+               (Name) ->
+                   try exit(whereis(Name), kill) catch _:_ -> ok end
+           end,
     lists:foreach(Kill, Mnesia),
     lists:foreach(fun ensure_dead/1, Mnesia),
     timer:sleep(10),
     case lists:keymember(mnesia, 1, application:which_applications()) of
-	true -> kill();
-	false -> ok
+        true -> kill();
+        false -> ok
     end.
 
 ensure_dead(Name) ->
diff --git a/lib/mnesia/test/ext_test.erl b/lib/mnesia/test/ext_test.erl
index cd39f4a6f1..a95c804486 100644
--- a/lib/mnesia/test/ext_test.erl
+++ b/lib/mnesia/test/ext_test.erl
@@ -70,15 +70,12 @@ semantics(_Alias, _) ->
 
 init_backend() ->
     ?DBG(init_backend),
-    ct:log("init_backend ~p", [?MODULE]),
     %% cheat and stuff a marker in mnesia_gvar
     K = backend_init_marker(),
     case try mnesia_lib:val(K) catch _:_ -> error end of
         error ->
-            ct:log("BACKEND marker will be inserted (~p)", [?MODULE]),
             mnesia_lib:set(K, true);
         Other ->
-            ct:log("BACKEND marker already present (~p)", [?MODULE]),
             error({backend_already_initialized, {?MODULE, Other}})
     end,
     ok.
@@ -88,7 +85,7 @@ backend_init_marker() ->
 
 add_aliases(_As) ->
     ?DBG(_As),
-    ct:log("add_aliases(~p)", [_As]),
+    %ct:log("add_aliases(~p)", [_As]),
     true = mnesia_lib:val(backend_init_marker()),
     ok.
 
@@ -148,7 +145,7 @@ receiver_first_message(Sender, {first, Size}, _Alias, Tab) ->
     ?DBG({first,Size}),
     {Size, {Tab, Sender}}.
 
-receive_data(Data, ext_ets, Name, _Sender, {Name, Tab, _Sender}=State) ->
+receive_data(Data, ext_ets, Name, Sender, {Name, Tab, Sender}=State) ->
     ?DBG({Data,State}),
     true = ets:insert(Tab, Data),
     {more, State};
-- 
2.31.1

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File 0702-mnesia-Reduce-io-and-crashreports-from-test-runs.patch of Package erlang (Revision d2a82c32ce0452ccd2b016fb84350e59)

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