mruby-socet: add socket constants

Introduced in Ruby3.2:

- SO_INCOMING_CPU
- SO_INCOMING_NAPI_ID
- SO_RTABLE
- SO_SETFIB
- SO_USER_COOKIE
- TCP_KEEPALIVE
- TCP_CONNECTION_INFO

mrbgems/mruby-socket/src/const.cstub

@@ -385,6 +385,21 @@
 #if defined(SO_TYPE)
   define_const(SO_TYPE);
 #endif
+#if defined(SO_INCOMING_CPU)
+  define_const(SO_INCOMING_CPU);
+#endif
+#if defined(SO_INCOMING_NAPI_ID)
+  define_const(SO_INCOMING_NAPI_ID);
+#endif
+#if defined(SO_RTABLE)
+  define_const(SO_RTABLE);
+#endif
+#if defined(SO_SETFIB)
+  define_const(SO_SETFIB);
+#endif
+#if defined(SO_USER_COOKIE)
+  define_const(SO_USER_COOKIE);
+#endif
 #if defined(SOCK_DGRAM)
   define_const(SOCK_DGRAM);
 #endif
@@ -457,3 +472,9 @@
 #if defined(TCP_WINDOW_CLAMP)
   define_const(TCP_WINDOW_CLAMP);
 #endif
+#if defined(TCP_KEEPALIVE)
+  define_const(TCP_KEEPALIVE);
+#endif
+#if defined(TCP_CONNECTION_INFO)
+  define_const(TCP_CONNECTION_INFO);
+#endif

mrbgems/mruby-socket/src/const.def

@@ -136,6 +136,11 @@ SO_SNDTIMEO
 SO_SPLICE
 SO_TIMESTAMP
 SO_TYPE
+SO_INCOMING_CPU
+SO_INCOMING_NAPI_ID
+SO_RTABLE
+SO_SETFIB
+SO_USER_COOKIE
 
 SOCK_DGRAM
 SOCK_RAW
@@ -163,3 +168,5 @@ TCP_QUICKACK
 TCP_SACK_ENABLE
 TCP_SYNCNT
 TCP_WINDOW_CLAMP
+TCP_KEEPALIVE
+TCP_CONNECTION_INFO