X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/863bd541063e72fcea7305b9d3ee2cb460a6d3d1..424fa2f3aa617d08cce2518aac84bfe1329de6c2:/src/OS/os.h-FreeBSD

diff --git a/src/OS/os.h-FreeBSD b/src/OS/os.h-FreeBSD
index a67ca13b7..8b1af396a 100644
--- a/src/OS/os.h-FreeBSD
+++ b/src/OS/os.h-FreeBSD
@@ -1,4 +1,9 @@
 /* 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>
 
 #define HAVE_BSD_GETLOADAVG
 #define HAVE_SETCLASSRESOURCES
@@ -18,6 +23,9 @@ typedef struct flock flock_t;
  * says that libc has iconv since 2013, in 10-CURRENT.  FreeBSD man-pages
  * shows it included in 10.0-RELEASE.  Writing this in 2017, 10.3 is the
  * oldest supported release, so we should assume non-libiconv by default.
+ * (Actually, people still using old releases past EOL; we shouldn't support
+ * them but I don't want to deal with howls of complaints because we dare
+ * to not support the unsupported, so guard this on FreeBSD 10+)
  *
  * Thus we no longer override iconv.
  *
@@ -25,6 +33,36 @@ typedef struct flock flock_t;
  * to include-path (likely) then we'll get that.  So define a variable
  * which makes the libiconv try to not interfere with OS iconv.
  */
-#define LIBICONV_PLUG
+#if __FreeBSD__ >= 10
+# define LIBICONV_PLUG
+#endif
+/* for more specific version constraints, include <sys/param.h> and look at
+ * __FreeBSD_version */
+
+
+/* When using DKIM, setting OS_SENDFILE can increase
+performance on outgoing mail a bit. */
+
+#define OS_SENDFILE
+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 */
+#if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
+# define MSG_FASTOPEN 0x20000000
+#endif
+ 
+/* for TCP state-variable values, for TFO logging */
+#include <netinet/tcp_fsm.h>
+#define TCP_SYN_RECV TCPS_SYN_RECEIVED
+
+/*******************/
 
 /* End */