Function in_pcbdetach

freebsd/netinet/in_pcb.c:1619–1631

* in_pcbdetach() is responsibe for disassociating a socket from an inpcb. * For most protocols, this will be invoked immediately prior to calling * in_pcbfree(). However, with TCP the inpcb may significantly outlive the * socket, in which case in_pcbfree() is deferred. */

 * socket, in which case in_pcbfree() is deferred.
 */
void
in_pcbdetach(struct inpcb *inp)
{

	KASSERT(inp->inp_socket != NULL, ("%s: inp_socket == NULL", __func__));

#ifdef RATELIMIT
	if (inp->inp_snd_tag != NULL)
		in_pcbdetach_txrtlmt(inp);
#endif
	inp->inp_socket->so_pcb = NULL;
	inp->inp_socket = NULL;
}

/*
 * in_pcbref() bumps the reference count on an inpcb in order to maintain