* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2017 */
/* See the file NOTICE for conditions of use and distribution. */
/* Almost all the global variables are defined together in this one header, so
extern BOOL system_filter_uid_set; /* TRUE if uid set */
extern BOOL system_filtering; /* TRUE when running system filter */
+extern BOOL tcp_fastopen_ok; /* appears to be supported by kernel */
extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
#ifdef USE_TCP_WRAPPERS
extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */