xref: /xnu-8019.80.24/tests/kqueue_add_and_trigger.c (revision a325d9c4a84054e40bbe985afedcb50ab80993ea)
1*a325d9c4SApple OSS Distributions #include <unistd.h>
2*a325d9c4SApple OSS Distributions #include <errno.h>
3*a325d9c4SApple OSS Distributions #include <sys/event.h>
4*a325d9c4SApple OSS Distributions #include <darwintest.h>
5*a325d9c4SApple OSS Distributions 
6*a325d9c4SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*a325d9c4SApple OSS Distributions 
8*a325d9c4SApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*a325d9c4SApple OSS Distributions  *
10*a325d9c4SApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*a325d9c4SApple OSS Distributions  *
12*a325d9c4SApple OSS Distributions  */
13*a325d9c4SApple OSS Distributions 
14*a325d9c4SApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ")
15*a325d9c4SApple OSS Distributions {
16*a325d9c4SApple OSS Distributions 	int kq_fd, ret;
17*a325d9c4SApple OSS Distributions 	struct kevent ret_kev;
18*a325d9c4SApple OSS Distributions 	const struct kevent kev = {
19*a325d9c4SApple OSS Distributions 		.ident = 1,
20*a325d9c4SApple OSS Distributions 		.filter = EVFILT_USER,
21*a325d9c4SApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*a325d9c4SApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*a325d9c4SApple OSS Distributions 	};
24*a325d9c4SApple OSS Distributions 	const struct timespec timeout = {
25*a325d9c4SApple OSS Distributions 		.tv_sec = 1,
26*a325d9c4SApple OSS Distributions 		.tv_nsec = 0,
27*a325d9c4SApple OSS Distributions 	};
28*a325d9c4SApple OSS Distributions 
29*a325d9c4SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*a325d9c4SApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*a325d9c4SApple OSS Distributions 
32*a325d9c4SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*a325d9c4SApple OSS Distributions 
34*a325d9c4SApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*a325d9c4SApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*a325d9c4SApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*a325d9c4SApple OSS Distributions }
38