--- xnu/xnu-12377.121.6/tests/sendmsg_x_test.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 2022-2024 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <sys/errno.h>
-#include <sys/fcntl.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <sysexits.h>
-#include <unistd.h>
-#include <darwintest.h>
-#include <darwintest_utils.h>
-
-/* -*- compile-command: "xcrun --sdk macosx.internal make -C tests sendmsg_x_test" -*- */
-
-T_GLOBAL_META(
-	T_META_NAMESPACE("xnu.net"),
-	T_META_RADAR_COMPONENT_NAME("xnu"),
-	T_META_RADAR_COMPONENT_VERSION("networking"),
-	T_META_OWNER("vlubet")
-	);
-
-#define DATAGRAM_SIZE 64
-
-T_DECL(sendmsg_x_test, "exercise sendmsg_x() return value",
-    T_META_TAG_VM_PREFERRED)
-{
-	int socket_fds[2];
-
-	T_EXPECT_POSIX_SUCCESS(socketpair(AF_UNIX, SOCK_DGRAM, 0, socket_fds), "socketpair");
-
-	/*
-	 * The receive buffer size is too small for more than one datagram.
-	 */
-	int send_buffer_size = DATAGRAM_SIZE;
-	int receive_buffer_size = DATAGRAM_SIZE + (DATAGRAM_SIZE >> 1);
-	socklen_t opt_len = sizeof(int);
-
-	T_EXPECT_POSIX_SUCCESS(setsockopt(socket_fds[0], SOL_SOCKET, SO_SNDBUF, &send_buffer_size, opt_len), "setsockopt() SO_SNDBUF");
-	T_EXPECT_POSIX_SUCCESS(setsockopt(socket_fds[0], SOL_SOCKET, SO_RCVBUF, &receive_buffer_size, opt_len), "setsockopt() SO_RCVBUF");
-	T_EXPECT_POSIX_SUCCESS(setsockopt(socket_fds[1], SOL_SOCKET, SO_SNDBUF, &send_buffer_size, opt_len), "setsockopt() SO_SNDBUF");
-	T_EXPECT_POSIX_SUCCESS(setsockopt(socket_fds[1], SOL_SOCKET, SO_RCVBUF, &receive_buffer_size, opt_len), "setsockopt() SO_RCVBUF");
-
-	/*
-	 * Send two datagram at once, only one must be sent and received
-	 */
-	struct msghdr_x message_headers[2] = {};
-
-	uint8_t buffer1[DATAGRAM_SIZE];
-	memset(buffer1, 0x12, DATAGRAM_SIZE);
-
-	struct iovec iovec1 = {
-		.iov_base = buffer1,
-		.iov_len = DATAGRAM_SIZE,
-	};
-	message_headers[0].msg_iov = &iovec1;
-	message_headers[0].msg_iovlen = 1;
-
-	uint8_t buffer2[DATAGRAM_SIZE];
-	memset(buffer2, 0x34, DATAGRAM_SIZE);
-
-	struct iovec iovec2 = {
-		.iov_base = buffer2,
-		.iov_len = DATAGRAM_SIZE,
-	};
-
-	message_headers[1].msg_iov = &iovec2;
-	message_headers[1].msg_iovlen = 1;
-
-	ssize_t sendmsg_x_result = sendmsg_x(socket_fds[0], message_headers, 2, 0);
-	if (sendmsg_x_result < 0) {
-		T_FAIL("sendmsg_x() failed: %s", strerror(errno));
-	}
-	if (sendmsg_x_result != 1) {
-		T_FAIL("sendmsg_x() failed: return %zd instead of 1", sendmsg_x_result);
-	}
-	T_PASS("sendmsg_x() result: %zd == 1\n", sendmsg_x_result);
-
-	/*
-	 * Receive the datagram we expect
-	 */
-	uint8_t receive_buffer1[DATAGRAM_SIZE * 2];
-	ssize_t recv_result = recv(socket_fds[1], receive_buffer1, sizeof(receive_buffer1), 0);
-	T_EXPECT_POSIX_SUCCESS(recv_result, "first recv() recv_result %zd errno %d", recv_result, errno);
-
-	if (recv_result != DATAGRAM_SIZE) {
-		T_FAIL("recv() failed: return %zd instead of DATAGRAM_SIZE", recv_result);
-	}
-	T_PASS("recv() result: %zd == DATAGRAM_SIZE\n", recv_result);
-
-	int i;
-	for (i = 0; i < DATAGRAM_SIZE; i++) {
-		if (receive_buffer1[i] != 0x12) {
-			T_FAIL("receive_buffer1[%d] 0x%x == 0x12", i, receive_buffer1[i]);
-		}
-	}
-	T_PASS("First datagram successfully received.\n");
-
-	/*
-	 * Set the receive socket as non-blocking and verify no more data is pending
-	 */
-	int flags = fcntl(socket_fds[1], F_GETFL, 0);
-	T_EXPECT_POSIX_SUCCESS(fcntl(socket_fds[1], F_SETFL, flags | O_NONBLOCK), "fcntl() O_NONBLOCK");
-
-	recv_result = recv(socket_fds[1], receive_buffer1, sizeof(receive_buffer1), 0);
-	T_EXPECT_POSIX_ERROR(errno, EWOULDBLOCK, "second recv() recv_result %zd errno %d", recv_result, errno);
-
-	close(socket_fds[0]);
-	close(socket_fds[1]);
-}