xref: /xnu-12377.61.12/tests/kqueue_add_and_trigger.c (revision 4d495c6e23c53686cf65f45067f79024cf5dcee8)
1*4d495c6eSApple OSS Distributions #include <unistd.h>
2*4d495c6eSApple OSS Distributions #include <errno.h>
3*4d495c6eSApple OSS Distributions #include <sys/event.h>
4*4d495c6eSApple OSS Distributions #include <darwintest.h>
5*4d495c6eSApple OSS Distributions 
6*4d495c6eSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*4d495c6eSApple OSS Distributions 
8*4d495c6eSApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*4d495c6eSApple OSS Distributions  *
10*4d495c6eSApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*4d495c6eSApple OSS Distributions  *
12*4d495c6eSApple OSS Distributions  */
13*4d495c6eSApple OSS Distributions 
14*4d495c6eSApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ", T_META_TAG_VM_PREFERRED)
15*4d495c6eSApple OSS Distributions {
16*4d495c6eSApple OSS Distributions 	int kq_fd, ret;
17*4d495c6eSApple OSS Distributions 	struct kevent ret_kev;
18*4d495c6eSApple OSS Distributions 	const struct kevent kev = {
19*4d495c6eSApple OSS Distributions 		.ident = 1,
20*4d495c6eSApple OSS Distributions 		.filter = EVFILT_USER,
21*4d495c6eSApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*4d495c6eSApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*4d495c6eSApple OSS Distributions 	};
24*4d495c6eSApple OSS Distributions 	const struct timespec timeout = {
25*4d495c6eSApple OSS Distributions 		.tv_sec = 1,
26*4d495c6eSApple OSS Distributions 		.tv_nsec = 0,
27*4d495c6eSApple OSS Distributions 	};
28*4d495c6eSApple OSS Distributions 
29*4d495c6eSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*4d495c6eSApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*4d495c6eSApple OSS Distributions 
32*4d495c6eSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*4d495c6eSApple OSS Distributions 
34*4d495c6eSApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*4d495c6eSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*4d495c6eSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*4d495c6eSApple OSS Distributions }
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