xref: /xnu-11215.41.3/tests/kqueue_add_and_trigger.c (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1*33de042dSApple OSS Distributions #include <unistd.h>
2*33de042dSApple OSS Distributions #include <errno.h>
3*33de042dSApple OSS Distributions #include <sys/event.h>
4*33de042dSApple OSS Distributions #include <darwintest.h>
5*33de042dSApple OSS Distributions 
6*33de042dSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
7*33de042dSApple OSS Distributions 
8*33de042dSApple OSS Distributions /* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
9*33de042dSApple OSS Distributions  *
10*33de042dSApple OSS Distributions  * Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
11*33de042dSApple OSS Distributions  *
12*33de042dSApple OSS Distributions  */
13*33de042dSApple OSS Distributions 
14*33de042dSApple OSS Distributions T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ", T_META_TAG_VM_PREFERRED)
15*33de042dSApple OSS Distributions {
16*33de042dSApple OSS Distributions 	int kq_fd, ret;
17*33de042dSApple OSS Distributions 	struct kevent ret_kev;
18*33de042dSApple OSS Distributions 	const struct kevent kev = {
19*33de042dSApple OSS Distributions 		.ident = 1,
20*33de042dSApple OSS Distributions 		.filter = EVFILT_USER,
21*33de042dSApple OSS Distributions 		.flags = EV_ADD | EV_CLEAR,
22*33de042dSApple OSS Distributions 		.fflags = NOTE_TRIGGER,
23*33de042dSApple OSS Distributions 	};
24*33de042dSApple OSS Distributions 	const struct timespec timeout = {
25*33de042dSApple OSS Distributions 		.tv_sec = 1,
26*33de042dSApple OSS Distributions 		.tv_nsec = 0,
27*33de042dSApple OSS Distributions 	};
28*33de042dSApple OSS Distributions 
29*33de042dSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
30*33de042dSApple OSS Distributions 	ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
31*33de042dSApple OSS Distributions 
32*33de042dSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "kevent");
33*33de042dSApple OSS Distributions 
34*33de042dSApple OSS Distributions 	T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
35*33de042dSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
36*33de042dSApple OSS Distributions 	T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
37*33de042dSApple OSS Distributions }
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