Fixed some exc-related issues, some others remain.

eventlet/api_test.py

@@ -32,8 +32,9 @@ def check_hub():
     api.sleep(0)
     api.sleep(0)
     hub = api.get_hub()
-    for dct in hub.readers, hub.writers, hub.excs:
-        assert not dct, repr(dct)
+    for nm in 'readers', 'writers', 'excs':
+        dct = getattr(hub, nm)
+        assert not dct, "hub.%s not empty: %s" % (nm, dct)
     # Stop the runloop
     api.get_hub().abort()
     api.sleep(0)
@@ -74,12 +75,11 @@ class TestApi(tests.TestCase):
         check_hub()
 
     def test_server(self):
+        connected = []
         server = api.tcp_listener(('0.0.0.0', 0))
         bound_port = server.getsockname()[1]
-        connected = []
 
         def accept_twice((conn, addr)):
-            print 'connected'
             connected.append(True)
             conn.close()
             if len(connected) == 2:

eventlet/libeventhub.py

@@ -34,6 +34,9 @@ from eventlet import hub
 
 import greenlet
 
+# XXX for debugging only
+#raise ImportError()
+
 try:
     # use rel if it's available
     import rel
@@ -68,20 +71,16 @@ class Hub(hub.BaseHub):
             evt = event.write(fileno, write, fileno)
             evt.add()
             self.writers[fileno] = evt, write
+            
+        if exc:
+            self.excs[fileno] = exc
         
     def remove_descriptor(self, fileno):
         for queue in (self.readers, self.writers):
             tpl = queue.pop(fileno, None)
             if tpl is not None:
                 tpl[0].delete()
-
-    def exc_descriptor(self, fileno):
-        for queue in (self.readers, self.writers):
-            tpl = queue.pop(fileno, None)
-            if tpl is not None:
-                evt, cb = tpl
-                evt.delete()
-                cb(fileno)
+        self.excs.pop(fileno, None)
         
     def signal_received(self, signal):
         self.interrupted = True