xref: /xnu-11417.101.15/tests/fd_guarded.c (revision e3723e1f17661b24996789d8afc084c0c3303b26)
1*e3723e1fSApple OSS Distributions #include <darwintest.h>
2*e3723e1fSApple OSS Distributions #include <darwintest_utils.h>
3*e3723e1fSApple OSS Distributions #include <dispatch/dispatch.h>
4*e3723e1fSApple OSS Distributions #include <sys/guarded.h>
5*e3723e1fSApple OSS Distributions #include <sys/types.h>
6*e3723e1fSApple OSS Distributions #include <sys/uio.h>
7*e3723e1fSApple OSS Distributions #include <unistd.h>
8*e3723e1fSApple OSS Distributions #include <fcntl.h>
9*e3723e1fSApple OSS Distributions 
10*e3723e1fSApple OSS Distributions T_GLOBAL_META(
11*e3723e1fSApple OSS Distributions 	T_META_NAMESPACE("xnu.fd"),
12*e3723e1fSApple OSS Distributions 	T_META_RUN_CONCURRENTLY(true));
13*e3723e1fSApple OSS Distributions 
14*e3723e1fSApple OSS Distributions T_DECL(fd_guard_monitored, "Test that we can guard fds in kevent", T_META_TAG_VM_PREFERRED)
15*e3723e1fSApple OSS Distributions {
16*e3723e1fSApple OSS Distributions 	static int pfd[2];
17*e3723e1fSApple OSS Distributions 	static dispatch_source_t ds;
18*e3723e1fSApple OSS Distributions 	guardid_t guard = (uintptr_t)&pfd;
19*e3723e1fSApple OSS Distributions 
20*e3723e1fSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(pipe(pfd), "pipe");
21*e3723e1fSApple OSS Distributions 
22*e3723e1fSApple OSS Distributions 	ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ,
23*e3723e1fSApple OSS Distributions 	    (uintptr_t)pfd[0], 0, NULL);
24*e3723e1fSApple OSS Distributions 	dispatch_source_set_event_handler(ds, ^{ });
25*e3723e1fSApple OSS Distributions 	dispatch_activate(ds);
26*e3723e1fSApple OSS Distributions 
27*e3723e1fSApple OSS Distributions 	T_EXPECT_POSIX_SUCCESS(change_fdguard_np(pfd[0], NULL, 0,
28*e3723e1fSApple OSS Distributions 	    &guard, GUARD_DUP | GUARD_CLOSE, NULL), "change_fdguard_np");
29*e3723e1fSApple OSS Distributions }
30