unix/SignalHandlers: pass Instance to ...Init()

src/Main.cxx

@@ -464,7 +464,7 @@ MainConfigured(const struct options &options, const ConfigData &raw_config)
 #ifndef ANDROID
 	setup_log_output();
 
-	const ScopeSignalHandlersInit signal_handlers_init(instance.event_loop);
+	const ScopeSignalHandlersInit signal_handlers_init(instance);
 #endif
 
 	instance.io_thread.Start();

src/unix/SignalHandlers.cxx

@@ -18,13 +18,13 @@
  */
 
 #include "SignalHandlers.hxx"
+#include "Instance.hxx"
 #include "event/SignalMonitor.hxx"
 
 #ifndef _WIN32
 
 #include "Log.hxx"
 #include "LogInit.hxx"
-#include "event/Loop.hxx"
 #include "system/Error.hxx"
 #include "util/Domain.hxx"
 
@@ -56,8 +56,10 @@ handle_reload_event(void *) noexcept
 #endif
 
 void
-SignalHandlersInit(EventLoop &loop)
+SignalHandlersInit(Instance &instance)
 {
+	auto &loop = instance.event_loop;
+
 	SignalMonitorInit(loop);
 
 #ifndef _WIN32

src/unix/SignalHandlers.hxx

@@ -20,18 +20,18 @@
 #ifndef MPD_SIGNAL_HANDLERS_HXX
 #define MPD_SIGNAL_HANDLERS_HXX
 
-class EventLoop;
+struct Instance;
 
 void
-SignalHandlersInit(EventLoop &loop);
+SignalHandlersInit(Instance &instance);
 
 void
 SignalHandlersFinish() noexcept;
 
 class ScopeSignalHandlersInit {
 public:
-	ScopeSignalHandlersInit(EventLoop &loop) {
-		SignalHandlersInit(loop);
+	ScopeSignalHandlersInit(Instance &instance) {
+		SignalHandlersInit(instance);
 	}
 
 	~ScopeSignalHandlersInit() noexcept {