Fix #22

src/ZEO/zrpc/client.py

@@ -51,7 +51,7 @@ def client_loop(map):
 
             try:
                 r, w, e = select.select(r, w, e, client_timeout())
-            except select.error as err:
+            except (select.error, RuntimeError) as err:
                 # Python >= 3.3 makes select.error an alias of OSError,
                 # which is not subscriptable but does have the 'errno' attribute
                 err_errno = getattr(err, 'errno', None) or err[0]
@@ -69,6 +69,13 @@ def client_loop(map):
                         if [fd for fd in w if fd not in map]:
                             continue
 
+                        # Hm, on Mac OS X, we could get a run time
+                        # error and end up here, but retrying select
+                        # would work.  Let's try:
+                        select.select(r, w, e, 0)
+                        # we survived, keep going :)
+                        continue
+
                     raise
                 else:
                     continue