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-rw-r--r--src/OS/os.h-FreeBSD4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/OS/os.h-FreeBSD b/src/OS/os.h-FreeBSD
index 3a06e766e..8b1af396a 100644
--- a/src/OS/os.h-FreeBSD
+++ b/src/OS/os.h-FreeBSD
@@ -1,4 +1,7 @@
/* Exim: OS-specific C header file for FreeBSD */
+/* Copyright (c) University of Cambridge 2017 */
+/* See the file NOTICE for conditions of use and distribution. */
+
#include <sys/types.h>
@@ -48,6 +51,7 @@ extern ssize_t os_sendfile(int, int, off_t *, size_t);
/* TCP_FASTOPEN support. There does not seems to be a
MSG_FASTOPEN defined yet... */
+#define EXIM_TFO_PROBE
#include <netinet/tcp.h> /* for TCP_FASTOPEN */
#include <sys/socket.h> /* for MSG_FASTOPEN */