1018 	if ((so->so_proto->pr_flags & PR_CONNREQUIRED) == 0) {  in solisten()
1705 	    ((so->so_proto->pr_flags & PR_CONNREQUIRED) ||  in soconnectlock()
1827 	    !(so->so_proto->pr_flags & PR_MULTICONN) &&  in soconnectxlocked()
1828 	    ((so->so_proto->pr_flags & PR_CONNREQUIRED) ||  in soconnectxlocked()
1851 		if ((so->so_proto->pr_flags & PR_DATA_IDEMPOTENT) &&  in soconnectxlocked()
1868 		if ((so->so_proto->pr_flags & PR_PRECONN_WRITE) &&  in soconnectxlocked()
2061 		if ((so->so_proto->pr_flags & PR_CONNREQUIRED) != 0) {  in sosendcheck()
2068 			return (so->so_proto->pr_flags & PR_CONNREQUIRED) ?  in sosendcheck()
2259 	    (so->so_proto->pr_flags & PR_ATOMIC);  in sosend()
2542 			    (so->so_proto->pr_flags & PR_IMPLOPCL) &&  in sosend()
2775 	    (so->so_proto->pr_flags & PR_ATOMIC);  in sosend_list()
3238 	    m->m_nextpkt == NULL && (pr->pr_flags & PR_ATOMIC) == 0) {  in so_should_wait()
3563 		    (so->so_proto->pr_flags & PR_CONNREQUIRED)) {  in soreceive()
3594 		if ((pr->pr_flags & PR_WANTRCVD) && so->so_pcb != NULL) {  in soreceive()
3632 	if ((pr->pr_flags & PR_ADDR) && m->m_type == MT_SONAME) {  in soreceive()
3902 			if ((pr->pr_flags & PR_WANTRCVD) && so->so_pcb != NULL) {  in soreceive()
3955 	if (m != NULL && pr->pr_flags & PR_ATOMIC) {  in soreceive()
3996 		if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) {  in soreceive()
4219 		    (so->so_proto->pr_flags & PR_CONNREQUIRED)) {  in soreceive_m_list()
4251 	if ((pr->pr_flags & PR_ADDR) && m->m_type == MT_SONAME) {  in soreceive_m_list()
4364 	if (pr->pr_flags & PR_WANTRCVD && so->so_pcb != NULL) {  in soreceive_m_list()
4639 	if ((pr->pr_flags & PR_RIGHTS) && pr->pr_domain->dom_dispose) {  in sorflush()
5922 			if (so->so_proto->pr_flags & PR_ATOMIC) {  in sogetoptlock()
5941 			if (so->so_proto->pr_flags & PR_ATOMIC) {  in sogetoptlock()
6937 		    (so->so_proto->pr_flags & PR_EVCONNINFO)) {  in filt_sockev_common()