static void *__wind_shadow_eventcb(int event, void *data)
{
struct wind_resource_holder *rh;
switch (event) {
case XNSHADOW_CLIENT_ATTACH:
rh = (struct wind_resource_holder *)
xnarch_alloc_host_mem(sizeof(*rh));
if (!rh)
return ERR_PTR(-ENOMEM);
initq(&rh->wdq);
/* A single server thread pends on this. */
xnsynch_init(&rh->wdsynch, XNSYNCH_FIFO, NULL);
initq(&rh->wdpending);
rh->wdcount = 0;
initq(&rh->msgQq);
initq(&rh->semq);
return &rh->ppd;
case XNSHADOW_CLIENT_DETACH:
rh = ppd2rholder((xnshadow_ppd_t *) data);
wind_wd_flush_rq(&rh->wdq);
xnsynch_destroy(&rh->wdsynch);
/* No need to reschedule: all our threads have been zapped. */
wind_msgq_flush_rq(&rh->msgQq);
wind_sem_flush_rq(&rh->semq);
xnarch_free_host_mem(rh, sizeof(*rh));
return NULL;
}
return ERR_PTR(-EINVAL);
}
void wind_msgq_cleanup(void)
{
wind_msgq_flush_rq(&__wind_global_rholder.msgQq);
}
