DRD_DOOR_FILE
unlink(DRD_DOOR_FILE);
if ((dbg_fd = creat(DRD_DOOR_FILE, 0644)) == -1) {
DRD_DOOR_FILE, strerror(errno));
if (fattach(door_fd, DRD_DOOR_FILE) == -1) {
DRD_DOOR_FILE, strerror(errno));
unlink(DRD_DOOR_FILE);
drd_dbg("door server attached to '%s'", DRD_DOOR_FILE);