1 /* 2 * Copyright (c) 2024 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 #include <darwintest.h> 31 32 T_DECL(validate_memmove_semantics, 33 "Ensure xnu's platform-specific memmove() implementation follows the correct semantics", 34 T_META_NAMESPACE("xnu.bcopy"), 35 T_META_RADAR_COMPONENT_NAME("xnu"), 36 T_META_RADAR_COMPONENT_VERSION("all"), 37 T_META_TAG_VM_PREFERRED 38 ) { 39 // When we invoke our sysctl that exercises the in-kernel memmove implementation 40 int ret = sysctlbyname("debug.test.test_memmove", NULL, NULL, NULL, 0); 41 // Then the kernel reports that everything looks good 42 T_ASSERT_POSIX_SUCCESS(ret, "test_memmove sysctl"); 43 } 44