bsd/kern/uipc_socket.c

2101 	struct mbuf *nextrecord, *free_list;
2339 	nextrecord = m->m_nextpkt;
2364 			so->so_rcv.sb_mb = nextrecord;
2411 			nextrecord = m->m_nextpkt = so->so_rcv.sb_mb;
2438 				m->m_nextpkt = nextrecord;
2440 				so->so_rcv.sb_mb = nextrecord;
2503 				sb_rcv->sb_mb->m_nextpkt = nextrecord;
2505 				sb_rcv->sb_mb = nextrecord;
2508 			if (nextrecord == NULL)
2555 		 * Update the value of nextrecord in case we received new
2560 			nextrecord = sb_rcv->sb_mb->m_nextpkt;
2562 			nextrecord = sb_rcv->sb_mb;
2594 			 * to the head of the mbuf chain, and the nextrecord
2599 			    m->m_nextpkt != nextrecord) {
2601 				    "nextrecord=%p\n", __func__, so, m,
2602 				    nextrecord);
2605 			if (nextrecord == NULL)
2717 				nextrecord = m->m_nextpkt;
2758 					m->m_nextpkt = nextrecord;
2759 					if (nextrecord == NULL)
2762 					so->so_rcv.sb_mb = nextrecord;
2828 		    !sosendallatonce(so) && !nextrecord) {
2881 				nextrecord = m->m_nextpkt;
2917 			so->so_rcv.sb_mb = nextrecord;
2926 			} else if (nextrecord->m_nextpkt == NULL) {
2927 				so->so_rcv.sb_lastrecord = nextrecord;