static int
ddp_attach(struct socket *so, int proto, struct thread *td)
{
int error = 0;
KASSERT(sotoddpcb(so) == NULL, ("ddp_attach: ddp != NULL"));
/*
* Allocate socket buffer space first so that it's present
* before first use.
*/
error = soreserve(so, ddp_sendspace, ddp_recvspace);
if (error)
return (error);
DDP_LIST_XLOCK();
error = at_pcballoc(so);
DDP_LIST_XUNLOCK();
return (error);
}
static int
ddp_attach(struct socket *so, int proto, struct proc *p)
{
struct ddpcb *ddp;
int error = 0;
int s;
ddp = sotoddpcb( so );
if ( ddp != NULL ) {
return( EINVAL);
}
s = splnet();
error = at_pcballoc( so );
splx(s);
if (error) {
return (error);
}
return (soreserve( so, ddp_sendspace, ddp_recvspace ));
}
int ddp_pru_attach(struct socket *so, int proto,
struct proc *p)
{
int s, error = 0;
at_ddp_t *ddp = NULL;
struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
error = soreserve(so, ddp_sendspace, ddp_recvspace);
if (error != 0)
return error;
s = splnet();
error = at_pcballoc(so, &ddp_head);
splx(s);
if (error)
return error;
pcb = (struct atpcb *)((so)->so_pcb);
pcb->pid = current_proc()->p_pid;
pcb->ddptype = (u_char) proto; /* set in socreate() */
pcb->proto = ATPROTO_DDP;
return error;
}