xref: /xnu-8792.41.9/tests/proc_info_udata.c (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions #include <darwintest.h>
2*5c2921b0SApple OSS Distributions #include "../bsd/sys/proc_info.h"
3*5c2921b0SApple OSS Distributions #include "../libsyscall/wrappers/libproc/libproc.h"
4*5c2921b0SApple OSS Distributions #include <stdio.h>
5*5c2921b0SApple OSS Distributions #include <unistd.h>
6*5c2921b0SApple OSS Distributions #include <TargetConditionals.h>
7*5c2921b0SApple OSS Distributions 
8*5c2921b0SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
9*5c2921b0SApple OSS Distributions 
10*5c2921b0SApple OSS Distributions T_DECL(proc_udata_info, "Get and set a proc udata token"){
11*5c2921b0SApple OSS Distributions 	uint64_t token = mach_absolute_time();
12*5c2921b0SApple OSS Distributions 	proc_info_udata_t udata;
13*5c2921b0SApple OSS Distributions 	int ret;
14*5c2921b0SApple OSS Distributions 
15*5c2921b0SApple OSS Distributions 	udata = token;
16*5c2921b0SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
17*5c2921b0SApple OSS Distributions 
18*5c2921b0SApple OSS Distributions #if !TARGET_OS_OSX
19*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
20*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returns error on non-supported platforms");
21*5c2921b0SApple OSS Distributions 	T_SKIP("Remaining tests are only supported on platforms with CONFIG_PROC_UDATA_STORAGE configured");
22*5c2921b0SApple OSS Distributions #endif
23*5c2921b0SApple OSS Distributions 
24*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
25*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_SET");
26*5c2921b0SApple OSS Distributions 
27*5c2921b0SApple OSS Distributions 	T_LOG("udata set to %#llx", udata);
28*5c2921b0SApple OSS Distributions 
29*5c2921b0SApple OSS Distributions 	bzero(&udata, sizeof(udata));
30*5c2921b0SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
31*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
32*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_GET");
33*5c2921b0SApple OSS Distributions 
34*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_ULLONG(token, udata, "proc_udata_info(): retrieved value matches token");
35*5c2921b0SApple OSS Distributions 
36*5c2921b0SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(uint32_t));
37*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
38*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned -1");
39*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EINVAL, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned EINVAL");
40*5c2921b0SApple OSS Distributions 
41*5c2921b0SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
42*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
43*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_GET returned -1 on attempt against non-self pid");
44*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_GET set errno to EACCES on attempt against non-self pid");
45*5c2921b0SApple OSS Distributions 
46*5c2921b0SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
47*5c2921b0SApple OSS Distributions 	T_WITH_ERRNO;
48*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returned -1 on attempt against non-self pid");
49*5c2921b0SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_SET set errno to EACCES on attempt against non-self pid");
50*5c2921b0SApple OSS Distributions }
51