xref: /xnu-11215.81.4/tests/task_is_self.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions #include <darwintest.h>
2*d4514f0bSApple OSS Distributions #include <mach/mach.h>
3*d4514f0bSApple OSS Distributions #include <mach/task.h>
4*d4514f0bSApple OSS Distributions #include <mach/mach_init.h>
5*d4514f0bSApple OSS Distributions 
6*d4514f0bSApple OSS Distributions T_GLOBAL_META(
7*d4514f0bSApple OSS Distributions 	T_META_NAMESPACE("xnu.ipc"),
8*d4514f0bSApple OSS Distributions 	T_META_RUN_CONCURRENTLY(TRUE),
9*d4514f0bSApple OSS Distributions 	T_META_RADAR_COMPONENT_NAME("xnu"),
10*d4514f0bSApple OSS Distributions 	T_META_RADAR_COMPONENT_VERSION("IPC"),
11*d4514f0bSApple OSS Distributions 	T_META_TAG_VM_PREFERRED);
12*d4514f0bSApple OSS Distributions 
13*d4514f0bSApple OSS Distributions T_DECL(mach_task_is_self,
14*d4514f0bSApple OSS Distributions     "test task port comparison check")
15*d4514f0bSApple OSS Distributions {
16*d4514f0bSApple OSS Distributions 	mach_port_t self_insp, self_read, self_name, port;
17*d4514f0bSApple OSS Distributions 
18*d4514f0bSApple OSS Distributions 	T_ASSERT_MACH_SUCCESS(task_get_special_port(mach_task_self(), TASK_READ_PORT, &self_read), "task_get_special_port failed");
19*d4514f0bSApple OSS Distributions 	T_ASSERT_MACH_SUCCESS(task_get_special_port(mach_task_self(), TASK_INSPECT_PORT, &self_insp), "task_get_special_port failed");
20*d4514f0bSApple OSS Distributions 	T_ASSERT_MACH_SUCCESS(task_get_special_port(mach_task_self(), TASK_NAME_PORT, &self_name), "task_get_special_port failed");
21*d4514f0bSApple OSS Distributions 
22*d4514f0bSApple OSS Distributions 	T_ASSERT_MACH_SUCCESS(mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port), "mach_port_allocate failed");
23*d4514f0bSApple OSS Distributions 
24*d4514f0bSApple OSS Distributions 	T_EXPECT_NE(self_read, self_insp, "read and inspect port should be different");
25*d4514f0bSApple OSS Distributions 	T_EXPECT_NE(self_read, mach_task_self(), "read and control port should be different");
26*d4514f0bSApple OSS Distributions 
27*d4514f0bSApple OSS Distributions 	T_EXPECT_EQ(1, mach_task_is_self(mach_task_self()), "control port should point to self");
28*d4514f0bSApple OSS Distributions 	T_EXPECT_EQ(1, mach_task_is_self(self_read), "read port should point to self");
29*d4514f0bSApple OSS Distributions 	T_EXPECT_EQ(1, mach_task_is_self(self_insp), "inspect port should point to self");
30*d4514f0bSApple OSS Distributions 	T_EXPECT_EQ(1, mach_task_is_self(self_name), "name port should point to self");
31*d4514f0bSApple OSS Distributions 	T_EXPECT_NE(1, mach_task_is_self(port), "_port_ should not point to self");
32*d4514f0bSApple OSS Distributions }
33