static int unix_socketpair(struct socket *socka, struct socket *sockb)
{
	struct sock *ska=socka->sk, *skb = sockb->sk;

	/* Join our sockets back to back */
	sock_hold(ska);
	sock_hold(skb);
	unix_peer(ska)=skb;
	unix_peer(skb)=ska;
	ska->sk_peercred.pid = skb->sk_peercred.pid = current->tgid;
	ska->sk_peercred.uid = skb->sk_peercred.uid = current->euid;
	ska->sk_peercred.gid = skb->sk_peercred.gid = current->egid;

	if (ska->sk_type != SOCK_DGRAM) {
		ska->sk_state = TCP_ESTABLISHED;
		skb->sk_state = TCP_ESTABLISHED;
		socka->state  = SS_CONNECTED;
		sockb->state  = SS_CONNECTED;
	}
	return 0;
}
static int unix_socketpair(struct socket *socka, struct socket *sockb)
{
	struct sock *ska=socka->sk, *skb = sockb->sk;

	 
	sock_hold(ska);
	sock_hold(skb);
	unix_peer(ska)=skb;
	unix_peer(skb)=ska;
	ska->sk_peercred.pid = skb->sk_peercred.pid = current->tgid;
	ska->sk_peercred.uid = skb->sk_peercred.uid = current->euid;
	ska->sk_peercred.gid = skb->sk_peercred.gid = current->egid;

	if (ska->sk_type != SOCK_DGRAM) {
		ska->sk_state = TCP_ESTABLISHED;
		skb->sk_state = TCP_ESTABLISHED;
		socka->state  = SS_CONNECTED;
		sockb->state  = SS_CONNECTED;
	}
	return 0;
}