xref: /xnu-11215.81.4/tests/fd_guarded.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1 #include <darwintest.h>
2 #include <darwintest_utils.h>
3 #include <dispatch/dispatch.h>
4 #include <sys/guarded.h>
5 #include <sys/types.h>
6 #include <sys/uio.h>
7 #include <unistd.h>
8 #include <fcntl.h>
9 
10 T_GLOBAL_META(
11 	T_META_NAMESPACE("xnu.fd"),
12 	T_META_RUN_CONCURRENTLY(true));
13 
14 T_DECL(fd_guard_monitored, "Test that we can guard fds in kevent", T_META_TAG_VM_PREFERRED)
15 {
16 	static int pfd[2];
17 	static dispatch_source_t ds;
18 	guardid_t guard = (uintptr_t)&pfd;
19 
20 	T_ASSERT_POSIX_SUCCESS(pipe(pfd), "pipe");
21 
22 	ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ,
23 	    (uintptr_t)pfd[0], 0, NULL);
24 	dispatch_source_set_event_handler(ds, ^{ });
25 	dispatch_activate(ds);
26 
27 	T_EXPECT_POSIX_SUCCESS(change_fdguard_np(pfd[0], NULL, 0,
28 	    &guard, GUARD_DUP | GUARD_CLOSE, NULL), "change_fdguard_np");
29 }
30