TS_XSTART
t->t_schedflag |= TS_XSTART | TS_PSTART;
tx->t_schedflag |= TS_XSTART;
runlwps(p, TS_XSTART);
t->t_schedflag |= (TS_XSTART | TS_PSTART);
runlwps(p, TS_XSTART | TS_PSTART);
t->t_schedflag |= TS_XSTART | TS_PSTART;
t->t_schedflag |= TS_XSTART;
t->t_schedflag |= TS_XSTART | TS_PSTART;
tt->t_schedflag |= TS_XSTART;
flags &= ~TS_XSTART;
(TS_CSTART|TS_UNPAUSE|TS_XSTART|TS_PSTART|TS_RESUME|TS_CREATE)