/** Create a port using epoll() or poll().
*/
su_port_t *su_poll_port_create(void)
{
su_port_t *self = su_home_new(sizeof *self);
if (!self)
return self;
if (su_home_destructor(su_port_home(self), su_poll_port_deinit) < 0)
return su_home_unref(su_port_home(self)), NULL;
self->sup_multishot = SU_ENABLE_MULTISHOT_POLL;
if (su_socket_port_init(self->sup_base, su_poll_port_vtable) < 0)
return su_home_unref(su_port_home(self)), NULL;
return self;
}
/** Create a port using /dev/poll or poll().
*/
su_port_t *su_devpoll_port_create(void)
{
su_port_t *self;
int devpoll = open("/dev/poll", O_RDWR);
if (devpoll == -1) {
/* Fallback to poll() */
SU_DEBUG_3(("%s(): open(\"%s\") => %u: %s\n",
"su_devpoll_port_create", "/dev/poll",
errno, strerror(errno)));
return su_poll_port_create();
}
self = su_home_new(sizeof *self);
if (!self) {
close(devpoll);
return self;
}
if (su_home_destructor(su_port_home(self), su_devpoll_port_deinit) < 0 ||
!(self->sup_indices =
su_zalloc(su_port_home(self),
(sizeof self->sup_indices[0]) *
(self->sup_size_indices = 64)))) {
su_home_unref(su_port_home(self));
close(devpoll);
return NULL;
}
self->sup_devpoll = devpoll;
self->sup_multishot = SU_ENABLE_MULTISHOT_POLL;
if (su_socket_port_init(self->sup_base, su_devpoll_port_vtable) < 0)
return su_home_unref(su_port_home(self)), NULL;
SU_DEBUG_9(("%s(%p): devpoll_create() => %u: %s\n",
"su_port_create", (void *)self, self->sup_devpoll, "OK"));
return self;
}
