darling-xnu/tests/kqueue_add_and_trigger.c
2023-05-16 21:41:14 -07:00

38 lines
1.0 KiB
C

#include <unistd.h>
#include <errno.h>
#include <sys/event.h>
#include <darwintest.h>
T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
/* <rdar://problem/28139044> EVFILT_USER doesn't properly support add&fire atomic combination
*
* Chek that using EV_ADD and EV_TRIGGER on a EV_USER actually trigger the event just added.
*
*/
T_DECL(kqueue_add_and_trigger_evfilt_user, "Add and trigger EVFILT_USER events with kevent ")
{
int kq_fd, ret;
struct kevent ret_kev;
const struct kevent kev = {
.ident = 1,
.filter = EVFILT_USER,
.flags = EV_ADD | EV_CLEAR,
.fflags = NOTE_TRIGGER,
};
const struct timespec timeout = {
.tv_sec = 1,
.tv_nsec = 0,
};
T_ASSERT_POSIX_SUCCESS((kq_fd = kqueue()), NULL);
ret = kevent(kq_fd, &kev, 1, &ret_kev, 1, &timeout);
T_ASSERT_POSIX_SUCCESS(ret, "kevent");
T_ASSERT_EQ(ret, 1, "kevent with add and trigger, ret");
T_ASSERT_EQ(ret_kev.ident, 1, "kevent with add and trigger, ident");
T_ASSERT_EQ(ret_kev.filter, EVFILT_USER, "kevent with add and trigger, filter");
}