xref: /xnu-8796.141.3/tests/kqueue_add_and_trigger.c (revision 1b191cb58250d0705d8a51287127505aa4bc0789)
1*1b191cb5SApple OSS Distributions #include <unistd.h>
2*1b191cb5SApple OSS Distributions #include <errno.h>
3*1b191cb5SApple OSS Distributions #include <sys/event.h>
4*1b191cb5SApple OSS Distributions #include <darwintest.h>
5*1b191cb5SApple OSS Distributions 
6*1b191cb5SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*1b191cb5SApple OSS Distributions 
8*1b191cb5SApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*1b191cb5SApple OSS Distributions  *
10*1b191cb5SApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*1b191cb5SApple OSS Distributions  *
12*1b191cb5SApple OSS Distributions  */
13*1b191cb5SApple OSS Distributions 
14*1b191cb5SApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ")
15*1b191cb5SApple OSS Distributions {
16*1b191cb5SApple OSS Distributions 	int kq_fd, ret;
17*1b191cb5SApple OSS Distributions 	struct kevent ret_kev;
18*1b191cb5SApple OSS Distributions 	const struct kevent kev = {
19*1b191cb5SApple OSS Distributions 		.ident = 1,
20*1b191cb5SApple OSS Distributions 		.filter = EVFILT_USER,
21*1b191cb5SApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*1b191cb5SApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*1b191cb5SApple OSS Distributions 	};
24*1b191cb5SApple OSS Distributions 	const struct timespec timeout = {
25*1b191cb5SApple OSS Distributions 		.tv_sec = 1,
26*1b191cb5SApple OSS Distributions 		.tv_nsec = 0,
27*1b191cb5SApple OSS Distributions 	};
28*1b191cb5SApple OSS Distributions 
29*1b191cb5SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*1b191cb5SApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*1b191cb5SApple OSS Distributions 
32*1b191cb5SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*1b191cb5SApple OSS Distributions 
34*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*1b191cb5SApple OSS Distributions }
38