RHEL 7.0 does that, oddly
# define EXIM_HAVE_OPENAT
#endif
# define EXIM_HAVE_OPENAT
#endif
+#if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
+# define MSG_FASTOPEN 0x20000000
+#endif
+
sigalrm_seen = FALSE;
if (timeout > 0) alarm(timeout);
sigalrm_seen = FALSE;
if (timeout > 0) alarm(timeout);
+#if defined(TCP_FASTOPEN) && defined(MSG_FASTOPEN)
/* TCP Fast Open, if the system has a cookie from a previous call to
this peer, can send data in the SYN packet. The peer can send data
before it gets our ACK of its SYN,ACK - the latter is useful for
/* TCP Fast Open, if the system has a cookie from a previous call to
this peer, can send data in the SYN packet. The peer can send data
before it gets our ACK of its SYN,ACK - the latter is useful for