fix small annoyances,

* mute exception on early shutdown
* sfx: give the utime thread a name

copyparty/up2k.py

@@ -461,7 +461,13 @@ class Up2k(object):
                 # important; not deferred by db_act
                 timeout = self._check_lifetimes()
 
+            try:
                 timeout = min(timeout, now + self._check_xiu())
+            except Exception as ex:
+                if "closed cursor" in str(ex):
+                    self.log("sched_rescan: lost db")
+                    return
+                raise
 
             with self.mutex:
                 for vp, vol in sorted(self.asrv.vfs.all_vols.items()):

scripts/sfx.py

@@ -398,7 +398,7 @@ def run(tmp, j2, ftp):
     msg("sfxdir:", tmp)
     msg()
 
-    t = threading.Thread(target=utime, args=(tmp,))
+    t = threading.Thread(target=utime, args=(tmp,), name="utime")
     t.daemon = True
     t.start()
 

scripts/ziploader.py

@@ -80,7 +80,7 @@ def run():
     msg("  rsrc dir:", rsrc)
     msg()
 
-    t = threading.Thread(target=utime, args=(rsrc,))
+    t = threading.Thread(target=utime, args=(rsrc,), name="utime")
     t.daemon = True
     t.start()