5 #if defined(HAVE_KQUEUE)
11 #if defined(HOST_WIN32)
12 /* We assume that kqueue is not available on windows */
16 #define KQUEUE_NEVENTS 128
18 static gint kqueue_fd;
19 static struct kevent *kqueue_events;
22 KQUEUE_INIT_FD (gint fd, gint events, gint flags)
25 EV_SET (&event, fd, events, flags, 0, 0, 0);
26 return kevent (kqueue_fd, &event, 1, NULL, 0, NULL);
30 kqueue_init (gint wakeup_pipe_fd)
32 kqueue_fd = kqueue ();
33 if (kqueue_fd == -1) {
34 g_error ("kqueue_init: kqueue () failed, error (%d) %s", errno, g_strerror (errno));
38 if (KQUEUE_INIT_FD (wakeup_pipe_fd, EVFILT_READ, EV_ADD | EV_ENABLE) == -1) {
39 g_error ("kqueue_init: kevent () failed, error (%d) %s", errno, g_strerror (errno));
44 kqueue_events = g_new0 (struct kevent, KQUEUE_NEVENTS);
50 kqueue_register_fd (gint fd, gint events, gboolean is_new)
52 if (events & EVENT_IN) {
53 if (KQUEUE_INIT_FD (fd, EVFILT_READ, EV_ADD | EV_ENABLE) == -1)
54 g_error ("kqueue_register_fd: kevent(read,enable) failed, error (%d) %s", errno, g_strerror (errno));
56 if (KQUEUE_INIT_FD (fd, EVFILT_READ, EV_ADD | EV_DISABLE) == -1)
57 g_error ("kqueue_register_fd: kevent(read,disable) failed, error (%d) %s", errno, g_strerror (errno));
59 if (events & EVENT_OUT) {
60 if (KQUEUE_INIT_FD (fd, EVFILT_WRITE, EV_ADD | EV_ENABLE) == -1)
61 g_error ("kqueue_register_fd: kevent(write,enable) failed, error (%d) %s", errno, g_strerror (errno));
63 if (KQUEUE_INIT_FD (fd, EVFILT_WRITE, EV_ADD | EV_DISABLE) == -1)
64 g_error ("kqueue_register_fd: kevent(write,disable) failed, error (%d) %s", errno, g_strerror (errno));
69 kqueue_remove_fd (gint fd)
71 /* FIXME: a race between closing and adding operation in the Socket managed code trigger a ENOENT error */
72 if (KQUEUE_INIT_FD (fd, EVFILT_READ, EV_DELETE) == -1)
73 g_error ("kqueue_register_fd: kevent(read,delete) failed, error (%d) %s", errno, g_strerror (errno));
74 if (KQUEUE_INIT_FD (fd, EVFILT_WRITE, EV_DELETE) == -1)
75 g_error ("kqueue_register_fd: kevent(write,delete) failed, error (%d) %s", errno, g_strerror (errno));
79 kqueue_event_wait (void (*callback) (gint fd, gint events, gpointer user_data), gpointer user_data)
83 memset (kqueue_events, 0, sizeof (struct kevent) * KQUEUE_NEVENTS);
85 mono_gc_set_skip_thread (TRUE);
88 ready = kevent (kqueue_fd, NULL, 0, kqueue_events, KQUEUE_NEVENTS, NULL);
91 mono_gc_set_skip_thread (FALSE);
99 g_error ("kqueue_event_wait: kevent () failed, error (%d) %s", errno, g_strerror (errno));
107 for (i = 0; i < ready; ++i) {
110 fd = kqueue_events [i].ident;
111 if (kqueue_events [i].filter == EVFILT_READ || (kqueue_events [i].flags & EV_ERROR) != 0)
113 if (kqueue_events [i].filter == EVFILT_WRITE || (kqueue_events [i].flags & EV_ERROR) != 0)
116 callback (fd, events, user_data);
122 static ThreadPoolIOBackend backend_kqueue = {
124 .register_fd = kqueue_register_fd,
125 .remove_fd = kqueue_remove_fd,
126 .event_wait = kqueue_event_wait,