static int
netbsd32_timer_create_fetch(const void *src, void *dst, size_t size)
{
struct sigevent *evp = dst;
struct netbsd32_sigevent ev32;
int error;
error = copyin(src, &ev32, sizeof(ev32));
if (error)
return error;
netbsd32_to_sigevent(&ev32, evp);
return 0;
}
int
netbsd32_mq_notify(struct lwp *l, const struct netbsd32_mq_notify_args *uap,
register_t *result)
{
/* {
syscallarg(mqd_t) mqdes;
syscallarg(const netbsd32_sigeventp_t) notification;
} */
struct mqueue *mq;
struct netbsd32_sigevent sig32;
int error;
if (SCARG_P32(uap, notification)) {
/* Get the signal from user-space */
error = copyin(SCARG_P32(uap, notification), &sig32,
sizeof(sig32));
if (error)
return error;
if (sig32.sigev_notify == SIGEV_SIGNAL &&
(sig32.sigev_signo <=0 || sig32.sigev_signo >= NSIG))
return EINVAL;
}
error = mqueue_get(SCARG(uap, mqdes), 0, &mq);
if (error) {
return error;
}
if (SCARG_P32(uap, notification)) {
/* Register notification: set the signal and target process */
if (mq->mq_notify_proc == NULL) {
netbsd32_to_sigevent(&sig32, &mq->mq_sig_notify);
mq->mq_notify_proc = l->l_proc;
} else {
/* Fail if someone else already registered */
error = EBUSY;
}
} else {
/* Unregister the notification */
mq->mq_notify_proc = NULL;
}
mutex_exit(&mq->mq_mtx);
fd_putfile((int)SCARG(uap, mqdes));
return error;
}
