Main: move code to Partition::BeginShutdown()

src/Main.cxx

@@ -27,7 +27,6 @@
 #include "Mapper.hxx"
 #include "Permission.hxx"
 #include "Listen.hxx"
-#include "client/Listener.hxx"
 #include "client/Config.hxx"
 #include "client/List.hxx"
 #include "command/AllCommands.hxx"
@@ -349,8 +348,7 @@ inline void
 Instance::BeginShutdownPartitions() noexcept
 {
 	for (auto &partition : partitions) {
-		partition.pc.Kill();
-		partition.listener.reset();
+		partition.BeginShutdown();
 	}
 }
 

src/Partition.cxx

@@ -53,6 +53,13 @@ Partition::Partition(Instance &_instance,
 Partition::~Partition() noexcept = default;
 
 void
+Partition::BeginShutdown() noexcept
+{
+	pc.Kill();
+	listener.reset();
+}
+
+void
 Partition::EmitIdle(unsigned mask) noexcept
 {
 	instance.EmitIdle(mask);

src/Partition.hxx

@@ -74,6 +74,8 @@ struct Partition final : QueueListener, PlayerListener, MixerListener {
 
 	~Partition() noexcept;
 
+	void BeginShutdown() noexcept;
+
 	void EmitGlobalEvent(unsigned mask) noexcept {
 		global_events.OrMask(mask);
 	}