bsd/kern/uipc_socket2.c

891 sbappendrecord(struct sockbuf *sb, struct mbuf *m0)
896 	if (m0 == NULL || (sb->sb_flags & SB_DROP)) {
897 		if (m0 != NULL)
898 			m_freem(m0);
902 	for (m = m0; m != NULL; m = m->m_next)
906 		m_freem(m0);
911 		int error = sflt_data_in(sb->sb_so, NULL, &m0, NULL,
916 				m_freem(m0);
924 	sballoc(sb, m0);
927 		sb->sb_lastrecord->m_nextpkt = m0;
929 		sb->sb_mb = m0;
931 	sb->sb_lastrecord = m0;
932 	sb->sb_mbtail = m0;
934 	m = m0->m_next;
935 	m0->m_next = 0;
936 	if (m && (m0->m_flags & M_EOR)) {
937 		m0->m_flags &= ~M_EOR;
940 	sbcompress(sb, m, m0);
951 sbinsertoob(struct sockbuf *sb, struct mbuf *m0)
956 	if (m0 == 0)
962 		int error = sflt_data_in(sb->sb_so, NULL, &m0, NULL,
968 				m_freem(m0);
993 	sballoc(sb, m0);
994 	m0->m_nextpkt = *mp;
996 		/* m0 is actually the new tail */
997 		sb->sb_lastrecord = m0;
999 	*mp = m0;
1000 	m = m0->m_next;
1001 	m0->m_next = 0;
1002 	if (m && (m0->m_flags & M_EOR)) {
1003 		m0->m_flags &= ~M_EOR;
1006 	sbcompress(sb, m, m0);
1014  * m0 must include a packet header with total length.
1022     struct mbuf *m0, struct mbuf *control)
1027 	if (m0 && (m0->m_flags & M_PKTHDR) == 0)
1030 	if (m0)
1031 		space += m0->m_pkthdr.len;
1047 		n->m_next = m0;		/* concatenate data to control */
1049 		control = m0;
1083 sbappendaddr(struct sockbuf *sb, struct sockaddr *asa, struct mbuf *m0,
1092 	if (m0 && (m0->m_flags & M_PKTHDR) == 0)
1096 		if (m0 != NULL)
1097 			m_freem(m0);
1108 		error = sflt_data_in(sb->sb_so, asa, &m0, &control, 0);
1112 				if (m0)
1113 					m_freem(m0);
1123 	result = sbappendaddr_internal(sb, asa, m0, control);
1125 		if (m0)
1126 			m_freem(m0);
1137 sbappendcontrol_internal(struct sockbuf *sb, struct mbuf *m0,
1152 	for (m = m0; m; m = m->m_next)
1156 	n->m_next = m0;			/* concatenate data to control */
1181 sbappendcontrol(struct sockbuf *sb, struct mbuf	*m0, struct mbuf *control,
1191 		if (m0 != NULL)
1192 			m_freem(m0);
1203 		error = sflt_data_in(sb->sb_so, NULL, &m0, &control, 0);
1207 				if (m0)
1208 					m_freem(m0);
1218 	result = sbappendcontrol_internal(sb, m0, control);
1220 		if (m0)
1221 			m_freem(m0);