xref: /xnu-8792.61.2/tests/fd_guarded.c (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
1*42e22086SApple OSS Distributions #include <darwintest.h>
2*42e22086SApple OSS Distributions #include <darwintest_utils.h>
3*42e22086SApple OSS Distributions #include <dispatch/dispatch.h>
4*42e22086SApple OSS Distributions #include <sys/guarded.h>
5*42e22086SApple OSS Distributions #include <sys/types.h>
6*42e22086SApple OSS Distributions #include <sys/uio.h>
7*42e22086SApple OSS Distributions #include <unistd.h>
8*42e22086SApple OSS Distributions #include <fcntl.h>
9*42e22086SApple OSS Distributions 
10*42e22086SApple OSS Distributions T_GLOBAL_META(
11*42e22086SApple OSS Distributions 	T_META_NAMESPACE("xnu.fd"),
12*42e22086SApple OSS Distributions 	T_META_RUN_CONCURRENTLY(true));
13*42e22086SApple OSS Distributions 
14*42e22086SApple OSS Distributions T_DECL(fd_guard_monitored, "Test that we can guard fds in kevent")
15*42e22086SApple OSS Distributions {
16*42e22086SApple OSS Distributions 	static int pfd[2];
17*42e22086SApple OSS Distributions 	static dispatch_source_t ds;
18*42e22086SApple OSS Distributions 	guardid_t guard = (uintptr_t)&pfd;
19*42e22086SApple OSS Distributions 
20*42e22086SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(pipe(pfd), "pipe");
21*42e22086SApple OSS Distributions 
22*42e22086SApple OSS Distributions 	ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ,
23*42e22086SApple OSS Distributions 	    (uintptr_t)pfd[0], 0, NULL);
24*42e22086SApple OSS Distributions 	dispatch_source_set_event_handler(ds, ^{ });
25*42e22086SApple OSS Distributions 	dispatch_activate(ds);
26*42e22086SApple OSS Distributions 
27*42e22086SApple OSS Distributions 	T_EXPECT_POSIX_SUCCESS(change_fdguard_np(pfd[0], NULL, 0,
28*42e22086SApple OSS Distributions 	    &guard, GUARD_DUP | GUARD_CLOSE, NULL), "change_fdguard_np");
29*42e22086SApple OSS Distributions }
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