Symbol: IXATC_INPROGRESS
usr/src/uts/common/inet/ip/ip_attr.c
1241
connp->conn_ixa->ixa_tcpcleanup = IXATC_INPROGRESS;
usr/src/uts/common/inet/ip/ip_attr.c
1289
while (connp->conn_ixa->ixa_tcpcleanup == IXATC_INPROGRESS) {