--- orig_asyncore.py	2010-09-15 22:18:21.000000000 +0600
+++ asyncore.py	2011-02-21 10:15:18.132551584 +0500
@@ -53,7 +53,8 @@
 
 import os
 from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, \
-     ENOTCONN, ESHUTDOWN, EINTR, EISCONN, EBADF, ECONNABORTED, errorcode
+     ENOTCONN, ESHUTDOWN, EINTR, EISCONN, EBADF, ECONNABORTED, \
+     EAGAIN, errorcode
 
 try:
     socket_map
@@ -336,7 +337,7 @@
         self.connected = False
         err = self.socket.connect_ex(address)
         # XXX Should interpret Winsock return values
-        if err in (EINPROGRESS, EALREADY, EWOULDBLOCK):
+        if err in (EINPROGRESS, EALREADY, EWOULDBLOCK, EAGAIN):
             return
         if err in (0, EISCONN):
             self.addr = address
@@ -350,7 +351,7 @@
             conn, addr = self.socket.accept()
             return conn, addr
         except socket.error, why:
-            if why.args[0] == EWOULDBLOCK:
+            if why.args[0] in (EWOULDBLOCK, EAGAIN):
                 pass
             else:
                 raise
@@ -360,7 +361,7 @@
             result = self.socket.send(data)
             return result
         except socket.error, why:
-            if why.args[0] == EWOULDBLOCK:
+            if why.args[0] in (EWOULDBLOCK, EAGAIN):
                 return 0
             elif why.args[0] in (ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED):
                 self.handle_close()
@@ -380,7 +381,7 @@
                 return data
         except socket.error, why:
             # winsock sometimes throws ENOTCONN
-            if why.args[0] in [ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED]:
+            if why.args[0] in (ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED):
                 self.handle_close()
                 return ''
             else: