TFO: better observability (slightly) on FreeBSD

[users/heiko/exim.git] / src / OS / os.h-FreeBSD

diff --git a/src/OS/os.h-FreeBSD b/src/OS/os.h-FreeBSD
index 9b47de3d10b62929a5cd3c89f4d9e636b049d71c..0083642b432c0d9879d5b41ed76bf695d105fbe1 100644 (file)
--- a/src/OS/os.h-FreeBSD
+++ b/src/OS/os.h-FreeBSD
@@ -1,6 +1,11 @@
 /* Exim: OS-specific C header file for FreeBSD */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
+/* See the file NOTICE for conditions of use and distribution. */
+
 
 #include <sys/types.h>
+#include <sys/param.h>
 
 #define HAVE_BSD_GETLOADAVG
 #define HAVE_SETCLASSRESOURCES
@@ -9,6 +14,16 @@
 #define SIOCGIFCONF_GIVES_ADDR
 #define HAVE_SRANDOMDEV
 #define HAVE_ARC4RANDOM
+#define EXIM_HAVE_OPENAT
+#define EXIM_HAVE_FUTIMENS
+
+/* Applications should not call arc4random_stir() explicitly after
+ * FreeBSD r227520 (approximately 1000002).
+ * Set NOT_HAVE_ARC4RANDOM_STIR if the version released is past
+ * that point. */
+#if __FreeBSD_version >= 1000002
+# define NOT_HAVE_ARC4RANDOM_STIR
+#endif
 
 typedef struct flock flock_t;
 
@@ -33,9 +48,8 @@ typedef struct flock flock_t;
 #if __FreeBSD__ >= 10
 # define LIBICONV_PLUG
 #endif
-/* for more specific version constraints, include <sys/param.h> and look at
- * __FreeBSD_version */
-
+/* for more specific version constraints, look at __FreeBSD_version
+ * from <sys/param.h> */
 
 /* When using DKIM, setting OS_SENDFILE can increase
 performance on outgoing mail a bit. */
@@ -43,4 +57,19 @@ performance on outgoing mail a bit. */
 #define OS_SENDFILE
 extern ssize_t os_sendfile(int, int, off_t *, size_t);
 
+
+/*******************/
+
+#define EXIM_TFO_PROBE
+#define EXIM_TFO_FREEBSD
+
+
+/* for TCP state-variable values, for TFO logging */
+#include <netinet/tcp_fsm.h>
+#define TCP_SYN_RECV TCPS_SYN_RECEIVED
+
+/*******************/
+
+#define EXIM_HAVE_KEVENT
+
 /* End */