File 0574-use-ets-select-instead-of-ets-filter-in-ap... of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 0574-use-ets-select-instead-of-ets-filter-in-application-.patch of Package erlang (Revision 15b24e456ec31eded623c8b8a9e37cc4)

Currently displaying revision 15b24e456ec31eded623c8b8a9e37cc4 , Show latest

From dabdc479867c5a0d7eda6eec9a1101591824dff0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ferenc=20B=C3=B6r=C3=B6czki?=
 <f3c0@users.noreply.github.com>
Date: Mon, 20 Apr 2020 17:10:14 +0200
Subject: [PATCH] use ets:select instead of ets:filter in
 application:loaded_applications/0 ets:filter dies with badarg if there is a
 delete, while it is walking through the table

---
 lib/kernel/src/application_controller.erl | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl
index 895911236f..b235c44d3f 100644
--- a/lib/kernel/src/application_controller.erl
+++ b/lib/kernel/src/application_controller.erl
@@ -268,13 +268,12 @@ which_applications(Timeout) ->
     gen_server:call(?AC, which_applications, Timeout).
 
 loaded_applications() ->
-    ets:filter(ac_tab,
-	       fun([{{loaded, AppName}, #appl{descr = Descr, vsn = Vsn}}]) ->
-		       {true, {AppName, Descr, Vsn}};
-		  (_) ->
-		       false
-	       end,
-	       []).
+    ets:select(ac_tab,
+               [{
+                  {{loaded, '$1'}, #appl{descr = '$2', vsn = '$3', _ = '_'}},
+                  [],
+                  [{{'$1', '$2', '$3'}}]
+                }]).
 
 %% Returns some debug info
 info() ->
-- 
2.26.1

Places

File 0574-use-ets-select-instead-of-ets-filter-in-application-.patch of Package erlang (Revision 15b24e456ec31eded623c8b8a9e37cc4)

Places