xref: /xnu-11417.101.15/tests/kqueue_add_and_trigger.c (revision e3723e1f17661b24996789d8afc084c0c3303b26)
1*e3723e1fSApple OSS Distributions #include <unistd.h>
2*e3723e1fSApple OSS Distributions #include <errno.h>
3*e3723e1fSApple OSS Distributions #include <sys/event.h>
4*e3723e1fSApple OSS Distributions #include <darwintest.h>
5*e3723e1fSApple OSS Distributions 
6*e3723e1fSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*e3723e1fSApple OSS Distributions 
8*e3723e1fSApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*e3723e1fSApple OSS Distributions  *
10*e3723e1fSApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*e3723e1fSApple OSS Distributions  *
12*e3723e1fSApple OSS Distributions  */
13*e3723e1fSApple OSS Distributions 
14*e3723e1fSApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ", T_META_TAG_VM_PREFERRED)
15*e3723e1fSApple OSS Distributions {
16*e3723e1fSApple OSS Distributions 	int kq_fd, ret;
17*e3723e1fSApple OSS Distributions 	struct kevent ret_kev;
18*e3723e1fSApple OSS Distributions 	const struct kevent kev = {
19*e3723e1fSApple OSS Distributions 		.ident = 1,
20*e3723e1fSApple OSS Distributions 		.filter = EVFILT_USER,
21*e3723e1fSApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*e3723e1fSApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*e3723e1fSApple OSS Distributions 	};
24*e3723e1fSApple OSS Distributions 	const struct timespec timeout = {
25*e3723e1fSApple OSS Distributions 		.tv_sec = 1,
26*e3723e1fSApple OSS Distributions 		.tv_nsec = 0,
27*e3723e1fSApple OSS Distributions 	};
28*e3723e1fSApple OSS Distributions 
29*e3723e1fSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*e3723e1fSApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*e3723e1fSApple OSS Distributions 
32*e3723e1fSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*e3723e1fSApple OSS Distributions 
34*e3723e1fSApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*e3723e1fSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*e3723e1fSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*e3723e1fSApple OSS Distributions }
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