xref: /xnu-12377.41.6/tests/bcopy.c (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
1*bbb1b6f9SApple OSS Distributions /*
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6*bbb1b6f9SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*bbb1b6f9SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*bbb1b6f9SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*bbb1b6f9SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*bbb1b6f9SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*bbb1b6f9SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*bbb1b6f9SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
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16*bbb1b6f9SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
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27*bbb1b6f9SApple OSS Distributions  */
28*bbb1b6f9SApple OSS Distributions 
29*bbb1b6f9SApple OSS Distributions #include <sys/sysctl.h>
30*bbb1b6f9SApple OSS Distributions #include <darwintest.h>
31*bbb1b6f9SApple OSS Distributions 
32*bbb1b6f9SApple OSS Distributions T_DECL(validate_memmove_semantics,
33*bbb1b6f9SApple OSS Distributions     "Ensure xnu's platform-specific memmove() implementation follows the correct semantics",
34*bbb1b6f9SApple OSS Distributions     T_META_NAMESPACE("xnu.bcopy"),
35*bbb1b6f9SApple OSS Distributions     T_META_RADAR_COMPONENT_NAME("xnu"),
36*bbb1b6f9SApple OSS Distributions     T_META_RADAR_COMPONENT_VERSION("all"),
37*bbb1b6f9SApple OSS Distributions     T_META_TAG_VM_PREFERRED
38*bbb1b6f9SApple OSS Distributions     ) {
39*bbb1b6f9SApple OSS Distributions 	// When we invoke our sysctl that exercises the in-kernel memmove implementation
40*bbb1b6f9SApple OSS Distributions 	int ret = sysctlbyname("debug.test.test_memmove", NULL, NULL, NULL, 0);
41*bbb1b6f9SApple OSS Distributions 	// Then the kernel reports that everything looks good
42*bbb1b6f9SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "test_memmove sysctl");
43*bbb1b6f9SApple OSS Distributions }
44