event/SocketMonitor: add "noexcept"

src/db/update/InotifySource.cxx

@@ -32,7 +32,7 @@
 #include <limits.h>
 
 bool
-InotifySource::OnSocketReady(gcc_unused unsigned flags)
+InotifySource::OnSocketReady(gcc_unused unsigned flags) noexcept
 {
 	uint8_t buffer[4096];
 	static_assert(sizeof(buffer) >= sizeof(struct inotify_event) + NAME_MAX + 1,

src/db/update/InotifySource.hxx

@@ -66,7 +66,7 @@ public:
 	void Remove(unsigned wd);
 
 private:
-	virtual bool OnSocketReady(unsigned flags) override;
+	bool OnSocketReady(unsigned flags) noexcept override;
 };
 
 #endif