tests/kqueue_add_and_trigger.c

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