MacOS: probe for a usable TFO system configuration

[users/jgh/exim.git] / src / OS / os.h-Darwin

diff --git a/src/OS/os.h-Darwin b/src/OS/os.h-Darwin
index f4087404e14a8769191741f5543f516aa43343e3..d0a1a092f8e2bde642238ccbf31dd8b0326de3fc 100644 (file)
--- a/src/OS/os.h-Darwin
+++ b/src/OS/os.h-Darwin
@@ -45,4 +45,18 @@ updating Exim to use the newer interface. */
 /* default is non-const */
 #define ICONV_ARG2_TYPE const char **
 
+/* seems arpa/nameser.h does not define this */
+#define NS_MAXMSG 65535
+
+/* There may be very many supplementary groups for the user. See notes
+in "man 2 getgroups". */
+#define _DARWIN_UNLIMITED_GETGROUPS
+#define EXIM_GROUPLIST_SIZE 64
+
+/* TCP_FASTOPEN support.  For the moment, claim there is none
+(the probe fails; unsure why).
+Sometime in the future need to investigate connectex(). */
+
+#define EXIM_TFO_PROBE
+
 /* End */