Issue #12809: Expose IP_TRANSPARENT in the socket module. Patch by Michael
Farrell.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 132d6c7..37ae6d8 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -6192,6 +6192,9 @@
 #ifdef  IP_MAX_MEMBERSHIPS
     PyModule_AddIntConstant(m, "IP_MAX_MEMBERSHIPS", IP_MAX_MEMBERSHIPS);
 #endif
+#ifdef  IP_TRANSPARENT
+    PyModule_AddIntConstant(m, "IP_TRANSPARENT", IP_TRANSPARENT);
+#endif
 
     /* IPv6 [gs]etsockopt options, defined in RFC2553 */
 #ifdef  IPV6_JOIN_GROUP