Merge branch 'siri/logger/post-21/OTP-15132' into maint

* siri/logger/post-21/OTP-15132:
  [logger] Allow setting kernel parameter 'logger_level' to 'all'
  [kernel] Reduce risk of dead lock when terminating logger_sup
  [logger] Fix regexp replacement for unicode strings
  Update proc_lib:report_cb to obey logger formatter's size limiting params
  [logger] Allow report callback with two arguments returning a string
  Don't call report_cb from cth_log_redirect - formatter does that
  Add legacy test of sasl_report_file_h and size limiting
  [logger] Remove compiler warnings in test
  [logger] Fix problem with test cases waiting for handler restart
  [logger] Add ?LOG macro which takes Level as argument
  [logger] Improve spec for set_handler_config/3 and set_primary_config/2
  [logger] Generate .png file from .dia
  [logger] Update documentation

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/kernel/src/logger_sup.erl b/lib/kernel/src/logger_sup.erl
index dcdcdad0bd..3d6f482e20 100644
--- a/lib/kernel/src/logger_sup.erl
+++ b/lib/kernel/src/logger_sup.erl
@@ -46,7 +46,11 @@ init([]) ->
                  intensity => 1,
                  period => 5},
 
-    {ok, {SupFlags, []}}.
+    Watcher = #{id => logger_handler_watcher,
+                start => {logger_handler_watcher, start_link, []},
+                shutdown => brutal_kill},
+
+    {ok, {SupFlags, [Watcher]}}.
 
 %%%===================================================================
 %%% Internal functions