1 /* 2 * Copyright (c) 2022 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #include <sys/sysctl.h> 30 31 #include <darwintest.h> 32 33 T_GLOBAL_META( 34 T_META_NAMESPACE("xnu.net"), 35 T_META_ASROOT(true), 36 T_META_RADAR_COMPONENT_NAME("xnu"), 37 T_META_RADAR_COMPONENT_VERSION("networking"), 38 T_META_CHECK_LEAKS(false)); 39 40 41 T_DECL(mbuf_tag_test, "test mbuf packet tags ") 42 { 43 size_t len; 44 int val; 45 46 if (sysctlbyname("kern.ipc.mb_tag_test", NULL, &len, NULL, 0) != 0) { 47 T_SKIP("sysctl variable kern.ipc.mb_tag_test does not exist"); 48 return; 49 } 50 val = 1; 51 T_ASSERT_POSIX_SUCCESS( 52 sysctlbyname("kern.ipc.mb_tag_test", NULL, NULL, &val, sizeof(val)), 53 "sysctlbyname(kern.ipc.mb_tag_test)"); 54 } 55