void
soisdisconnected(struct socket *so)
{
so->so_state &= ~(SS_ISCONNECTING|SS_ISCONNECTED|SS_ISDISCONNECTING);
so->so_state |= (SS_CANTRCVMORE|SS_CANTSENDMORE);
soconnwakeup(so);
sowwakeup(so);
sorwakeup(so);
}
void
soisconnected(struct socket *so)
{
register struct socket *head = so->so_head;
so->so_state &= ~(SS_ISCONNECTING|SS_ISDISCONNECTING|SS_ISCONFIRMING);
so->so_state |= SS_ISCONNECTED;
if (head && (so->so_state & SS_INCOMP)) {
TAILQ_REMOVE(&head->so_incomp, so, so_list);
head->so_incqlen--;
so->so_state &= ~SS_INCOMP;
TAILQ_INSERT_TAIL(&head->so_comp, so, so_list);
so->so_state |= SS_COMP;
sorwakeup(head);
soconnwakeup(head);
} else {
soconnwakeup(so);
sorwakeup(so);
sowwakeup(so);
}
}
int
accept (int s, struct sockaddr *name, int *namelen)
{
int fd;
struct socket *head, *so;
struct mbuf *nam;
rtems_bsdnet_semaphore_obtain ();
if ((head = rtems_bsdnet_fdToSocket (s)) == NULL) {
rtems_bsdnet_semaphore_release ();
return -1;
}
if ((head->so_options & SO_ACCEPTCONN) == 0) {
errno = EINVAL;
rtems_bsdnet_semaphore_release ();
return -1;
}
if ((head->so_state & SS_NBIO) && head->so_comp.tqh_first == NULL) {
errno = EWOULDBLOCK;
rtems_bsdnet_semaphore_release ();
return -1;
}
while (head->so_comp.tqh_first == NULL && head->so_error == 0) {
if (head->so_state & SS_CANTRCVMORE) {
head->so_error = ECONNABORTED;
break;
}
head->so_error = soconnsleep (head);
}
if (head->so_error) {
errno = head->so_error;
head->so_error = 0;
rtems_bsdnet_semaphore_release ();
return -1;
}
so = head->so_comp.tqh_first;
TAILQ_REMOVE(&head->so_comp, so, so_list);
head->so_qlen--;
fd = rtems_bsdnet_makeFdForSocket (so);
if (fd < 0) {
TAILQ_INSERT_HEAD(&head->so_comp, so, so_list);
head->so_qlen++;
soconnwakeup (head);
rtems_bsdnet_semaphore_release ();
return -1;
}
so->so_state &= ~SS_COMP;
so->so_head = NULL;
nam = m_get(M_WAIT, MT_SONAME);
(void) soaccept(so, nam);
if (name) {
/* check length before it is destroyed */
if (*namelen > nam->m_len)
*namelen = nam->m_len;
memcpy (name, mtod(nam, caddr_t), *namelen);
}
m_freem(nam);
rtems_bsdnet_semaphore_release ();
return (fd);
}