Add SO_SETFIB FreeBSD socket option constant.

Aims to set the route table.
Closes #8742.

Author: devnexen

NEWS

@@ -78,6 +78,7 @@ PHP                                                                        NEWS
   . Added ancillary data support for FreeBSD. (David Carlier)
   . Added ancillary data support for NetBSD. (David Carlier)
   . Added SO_BPF_EXTENSIONS socket option. (David Carlier)
+  . Added SO_SETFIB socket option. (David Carlier)
 
 - Sodium:
   . Added sodium_crypto_stream_xchacha20_xor_ic(). (Scott)

UPGRADING

@@ -252,6 +252,7 @@ PHP 8.2 UPGRADE NOTES
   . SCM_CREDS2 (FreeBSD)
   . LOCAL_CREDS (NetBSD)
   . SO_BPF_EXTENSIONS
+  . SO_SETFIB
 
 ========================================
 11. Changes to INI File Handling

ext/sockets/sockets.c

@@ -543,6 +543,9 @@ static PHP_MINIT_FUNCTION(sockets)
 	REGISTER_LONG_CONSTANT("SO_LISTENQLEN",       SO_LISTENQLEN,        CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SO_USER_COOKIE",       SO_USER_COOKIE,        CONST_CS | CONST_PERSISTENT);
 #endif
+#ifdef SO_SETFIB
+	REGISTER_LONG_CONSTANT("SO_SETFIB",       SO_SETFIB,        CONST_CS | CONST_PERSISTENT);
+#endif
 #ifdef SO_ACCEPTFILTER
 	REGISTER_LONG_CONSTANT("SO_ACCEPTFILTER",       SO_ACCEPTFILTER,        CONST_CS | CONST_PERSISTENT);
 #endif