ext/sockets: addiong few constants for NetBSD.

SOCK_CONN_DGRAM (and its alias SOCK_DCCP) for connection orientated
datagram.

UPGRADING

@@ -545,6 +545,8 @@ PHP 8.4 UPGRADE NOTES
 
 - Sockets:
   . SO_EXCLUSIVEADDRUSE (Windows only).
+  . SOCK_CONN_DGRAM (NetBSD only).
+  . SOCK_DCCP (NetBSD only).
 
 - Sodium:
   . SODIUM_CRYPTO_AEAD_AEGIS128L_KEYBYTES

ext/sockets/sockets.stub.php

@@ -53,6 +53,19 @@ const SOCK_SEQPACKET = UNKNOWN;
  */
 const SOCK_RDM = UNKNOWN;
 #endif
+#ifdef SOCK_CONN_DGRAM
+/**
+ * @var int
+ * @cvalue SOCK_CONN_DGRAM
+ */
+const SOCK_CONN_DGRAM = UNKNOWN;
+/**
+ * is an alias of SOCK_CONN_DGRAM
+ * @var int
+ * @cvalue SOCK_DCCP
+ */
+const SOCK_DCCP = UNKNOWN;
+#endif
 
 /**
  * @var int

ext/sockets/sockets_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: ec04de98f14d553e10da9f7f6de7ec281215ef44 */
+ * Stub hash: a99144c7c83a3f06e54a01bc21c0d30c9a21be29 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_socket_select, 0, 4, MAY_BE_LONG|MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(1, read, IS_ARRAY, 1)
@@ -346,6 +346,12 @@ static void register_sockets_symbols(int module_number)
 	REGISTER_LONG_CONSTANT("SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_PERSISTENT);
 #if defined(SOCK_RDM)
 	REGISTER_LONG_CONSTANT("SOCK_RDM", SOCK_RDM, CONST_PERSISTENT);
+#endif
+#if defined(SOCK_CONN_DGRAM)
+	REGISTER_LONG_CONSTANT("SOCK_CONN_DGRAM", SOCK_CONN_DGRAM, CONST_PERSISTENT);
+#endif
+#if defined(SOCK_CONN_DGRAM)
+	REGISTER_LONG_CONSTANT("SOCK_DCCP", SOCK_DCCP, CONST_PERSISTENT);
 #endif
 	REGISTER_LONG_CONSTANT("MSG_OOB", MSG_OOB, CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("MSG_WAITALL", MSG_WAITALL, CONST_PERSISTENT);