ISTAT_NODESTROY
assert((pufbuf->istat & ISTAT_NODESTROY) == 0);
assert((pufbuf->istat & ISTAT_NODESTROY) == 0);
pufbuf->istat &= ~ISTAT_NODESTROY;
pufbuf->istat &= ~ISTAT_NODESTROY;
pufbuf->istat |= ISTAT_NODESTROY;
pufbuf->istat &= ~ISTAT_NODESTROY;
pufbuf->istat |= ISTAT_NODESTROY;
pufbuf->istat |= ISTAT_NODESTROY;
pufbuf->istat |= ISTAT_NODESTROY | ISTAT_DIRECT;
pufbuf->istat &= ~ISTAT_NODESTROY; /* XXX: not the right place */
pufbuf->istat |= ISTAT_NODESTROY | ISTAT_DIRECT;
pufbuf->istat &= ~ISTAT_NODESTROY;
appbuf->istat &= ~ISTAT_NODESTROY;
pufbuf->istat &= ~ISTAT_NODESTROY;
pufbuf->istat &= ~ISTAT_NODESTROY;
#define ISTAT_ONQUEUE ISTAT_NODESTROY /* alias */