tools/tests/darwintests/kqueue_add_and_trigger.c

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