1*f6217f89SApple OSS Distributions /* 2*f6217f89SApple OSS Distributions * Copyright (c) 2024 Apple Inc. All rights reserved. 3*f6217f89SApple OSS Distributions * 4*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*f6217f89SApple OSS Distributions * 6*f6217f89SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*f6217f89SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*f6217f89SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*f6217f89SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*f6217f89SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*f6217f89SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*f6217f89SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*f6217f89SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*f6217f89SApple OSS Distributions * 15*f6217f89SApple OSS Distributions * Please obtain a copy of the License at 16*f6217f89SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*f6217f89SApple OSS Distributions * 18*f6217f89SApple OSS Distributions * The Original Code and all software distributed under the License are 19*f6217f89SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*f6217f89SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*f6217f89SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*f6217f89SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*f6217f89SApple OSS Distributions * Please see the License for the specific language governing rights and 24*f6217f89SApple OSS Distributions * limitations under the License. 25*f6217f89SApple OSS Distributions * 26*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*f6217f89SApple OSS Distributions */ 28*f6217f89SApple OSS Distributions 29*f6217f89SApple OSS Distributions #include <sys/sysctl.h> 30*f6217f89SApple OSS Distributions #include <darwintest.h> 31*f6217f89SApple OSS Distributions 32*f6217f89SApple OSS Distributions T_DECL(validate_memmove_semantics, 33*f6217f89SApple OSS Distributions "Ensure xnu's platform-specific memmove() implementation follows the correct semantics", 34*f6217f89SApple OSS Distributions T_META_NAMESPACE("xnu.bcopy"), 35*f6217f89SApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 36*f6217f89SApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("all"), 37*f6217f89SApple OSS Distributions T_META_TAG_VM_PREFERRED 38*f6217f89SApple OSS Distributions ) { 39*f6217f89SApple OSS Distributions // When we invoke our sysctl that exercises the in-kernel memmove implementation 40*f6217f89SApple OSS Distributions int ret = sysctlbyname("debug.test.test_memmove", NULL, NULL, NULL, 0); 41*f6217f89SApple OSS Distributions // Then the kernel reports that everything looks good 42*f6217f89SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "test_memmove sysctl"); 43*f6217f89SApple OSS Distributions } 44