xref: /xnu-11215.81.4/tests/kqueue_add_and_trigger.c (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions #include <unistd.h>
2*d4514f0bSApple OSS Distributions #include <errno.h>
3*d4514f0bSApple OSS Distributions #include <sys/event.h>
4*d4514f0bSApple OSS Distributions #include <darwintest.h>
5*d4514f0bSApple OSS Distributions 
6*d4514f0bSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*d4514f0bSApple OSS Distributions 
8*d4514f0bSApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*d4514f0bSApple OSS Distributions  *
10*d4514f0bSApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*d4514f0bSApple OSS Distributions  *
12*d4514f0bSApple OSS Distributions  */
13*d4514f0bSApple OSS Distributions 
14*d4514f0bSApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ", T_META_TAG_VM_PREFERRED)
15*d4514f0bSApple OSS Distributions {
16*d4514f0bSApple OSS Distributions 	int kq_fd, ret;
17*d4514f0bSApple OSS Distributions 	struct kevent ret_kev;
18*d4514f0bSApple OSS Distributions 	const struct kevent kev = {
19*d4514f0bSApple OSS Distributions 		.ident = 1,
20*d4514f0bSApple OSS Distributions 		.filter = EVFILT_USER,
21*d4514f0bSApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*d4514f0bSApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*d4514f0bSApple OSS Distributions 	};
24*d4514f0bSApple OSS Distributions 	const struct timespec timeout = {
25*d4514f0bSApple OSS Distributions 		.tv_sec = 1,
26*d4514f0bSApple OSS Distributions 		.tv_nsec = 0,
27*d4514f0bSApple OSS Distributions 	};
28*d4514f0bSApple OSS Distributions 
29*d4514f0bSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*d4514f0bSApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*d4514f0bSApple OSS Distributions 
32*d4514f0bSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*d4514f0bSApple OSS Distributions 
34*d4514f0bSApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*d4514f0bSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*d4514f0bSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*d4514f0bSApple OSS Distributions }
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