1 #include <unistd.h>
2 #include <errno.h>
3 #include <sys/event.h>
4 #include <darwintest.h>
5 
6 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7 
8 /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9  *
10  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11  *
12  */
13 
14 T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ", T_META_TAG_VM_PREFERRED)
15 {
16 	int kq_fd, ret;
17 	struct kevent ret_kev;
18 	const struct kevent kev = {
19 		.ident = 1,
20 		.filter = EVFILT_USER,
21 		.flags = EV_ADD | EV_CLEAR,
22 		.fflags = NOTE_TRIGGER,
23 	};
24 	const struct timespec timeout = {
25 		.tv_sec = 1,
26 		.tv_nsec = 0,
27 	};
28 
29 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31 
32 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33 
34 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37 }
38