bsd/kern/uipc_socket2.c

863 sbappendrecord(struct sockbuf *sb, struct mbuf *m0)
868 	if (m0 == NULL || (sb->sb_flags & SB_DROP)) {
869 		if (m0 != NULL)
870 			m_freem(m0);
874 	for (m = m0; m != NULL; m = m->m_next)
878 		m_freem(m0);
883 		int error = sflt_data_in(sb->sb_so, NULL, &m0, NULL,
888 				m_freem(m0);
896 	sballoc(sb, m0);
899 		sb->sb_lastrecord->m_nextpkt = m0;
901 		sb->sb_mb = m0;
903 	sb->sb_lastrecord = m0;
904 	sb->sb_mbtail = m0;
906 	m = m0->m_next;
907 	m0->m_next = 0;
908 	if (m && (m0->m_flags & M_EOR)) {
909 		m0->m_flags &= ~M_EOR;
912 	sbcompress(sb, m, m0);
923 sbinsertoob(struct sockbuf *sb, struct mbuf *m0)
928 	if (m0 == 0)
934 		int error = sflt_data_in(sb->sb_so, NULL, &m0, NULL,
940 				m_freem(m0);
965 	sballoc(sb, m0);
966 	m0->m_nextpkt = *mp;
968 		/* m0 is actually the new tail */
969 		sb->sb_lastrecord = m0;
971 	*mp = m0;
972 	m = m0->m_next;
973 	m0->m_next = 0;
974 	if (m && (m0->m_flags & M_EOR)) {
975 		m0->m_flags &= ~M_EOR;
978 	sbcompress(sb, m, m0);
986  * m0 must include a packet header with total length.
994     struct mbuf *m0, struct mbuf *control)
999 	if (m0 && (m0->m_flags & M_PKTHDR) == 0)
1002 	if (m0)
1003 		space += m0->m_pkthdr.len;
1019 		n->m_next = m0;		/* concatenate data to control */
1021 		control = m0;
1055 sbappendaddr(struct sockbuf *sb, struct sockaddr *asa, struct mbuf *m0,
1064 	if (m0 && (m0->m_flags & M_PKTHDR) == 0)
1068 		if (m0 != NULL)
1069 			m_freem(m0);
1080 		error = sflt_data_in(sb->sb_so, asa, &m0, &control, 0);
1084 				if (m0)
1085 					m_freem(m0);
1095 	result = sbappendaddr_internal(sb, asa, m0, control);
1097 		if (m0)
1098 			m_freem(m0);
1109 sbappendcontrol_internal(struct sockbuf *sb, struct mbuf *m0,
1124 	for (m = m0; m; m = m->m_next)
1128 	n->m_next = m0;			/* concatenate data to control */
1152 sbappendcontrol(struct sockbuf *sb, struct mbuf	*m0, struct mbuf *control,
1162 		if (m0 != NULL)
1163 			m_freem(m0);
1174 		error = sflt_data_in(sb->sb_so, NULL, &m0, &control, 0);
1178 				if (m0)
1179 					m_freem(m0);
1189 	result = sbappendcontrol_internal(sb, m0, control);
1191 		if (m0)
1192 			m_freem(m0);