Index: Lib/socket.py
===================================================================
--- Lib/socket.py	(revision 5808)
+++ Lib/socket.py	(working copy)
@@ -136,6 +136,18 @@
     exception.java_exception = exc
     return exception
 
+
+# Some possible constants
+# 'IPPROTO_AH', 'IPPROTO_COMP', 'IPPROTO_DSTOPTS', 'IPPROTO_EGP',
+# 'IPPROTO_ENCAP', 'IPPROTO_ESP', 'IPPROTO_FRAGMENT', 'IPPROTO_GRE',
+# 'IPPROTO_HOPOPTS', 'IPPROTO_ICMP', 'IPPROTO_ICMPV6', 'IPPROTO_IDP',
+# 'IPPROTO_IGMP', 'IPPROTO_IP', 'IPPROTO_IPIP', 'IPPROTO_IPV6',
+# 'IPPROTO_MAX', 'IPPROTO_MTP', 'IPPROTO_NONE', 'IPPROTO_PIM',
+# 'IPPROTO_PUP', 'IPPROTO_RAW', 'IPPROTO_ROUTING', 'IPPROTO_RSVP',
+# 'IPPROTO_SCTP', 'IPPROTO_TCP', 'IPPROTO_TP', 'IPPROTO_UDP',
+
+from org.python.constantine.platform.IPProto import IPPROTO_TCP
+
 MODE_BLOCKING    = 'block'
 MODE_NONBLOCKING = 'nonblock'
 MODE_TIMEOUT     = 'timeout'