Kernel: Switch singletons to use new Singleton class

Fixes #3226
Author: https://github.com/tomuta Commit: f48feae0b2 Pull-request: https://github.com/SerenityOS/serenity/pull/3229 Issue: https://github.com/SerenityOS/serenity/issues/3226 Reviewed-by: https://github.com/awesomekling
2025-08-01 13:49:16 +00:00 · 2020-08-20 09:36:06 -06:00 · 2020-08-20 09:36:06 -06:00 · f48feae0b2 · 2024-07-19 03:23:13 +09:00
commit f48feae0b2
parent 527c8047fe
44 changed files with 184 additions and 146 deletions
--- a/Kernel/Net/Routing.cpp
+++ b/Kernel/Net/Routing.cpp
@ -28,17 +28,17 @@
 #include <Kernel/Net/LoopbackAdapter.h>
 #include <Kernel/Net/Routing.h>
 #include <Kernel/Thread.h>
+#include <Kernel/Singleton.h>

 //#define ROUTING_DEBUG

 namespace Kernel {

+static auto s_arp_table = make_singleton<Lockable<HashMap<IPv4Address, MACAddress>>>();
+
 Lockable<HashMap<IPv4Address, MACAddress>>& arp_table()
 {
-    static Lockable<HashMap<IPv4Address, MACAddress>>* the;
-    if (!the)
-        the = new Lockable<HashMap<IPv4Address, MACAddress>>;
-    return *the;
+    return *s_arp_table;
 }

 bool RoutingDecision::is_zero() const