summaryrefslogtreecommitdiff
path: root/src/OS
diff options
context:
space:
mode:
Diffstat (limited to 'src/OS')
-rw-r--r--src/OS/os.h-Linux3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 57034649c..f6d35772b 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -72,11 +72,14 @@ then change the 0 to 1 in the next block. */
# define EXIM_HAVE_OPENAT
#endif
+/* TCP Fast Open support */
+
#include <netinet/tcp.h> /* for TCP_FASTOPEN */
#include <sys/socket.h> /* for MSG_FASTOPEN */
#if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
# define MSG_FASTOPEN 0x20000000
#endif
+#define EXIM_HAVE_TCPI_UNACKED
/* End */