td_err_e
td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
{
psaddr_t cancelhandling, tid;
td_err_e err;
LOG ("td_thr_setgregs");
if (th->th_unique == 0)
/* Special case for the main thread before initialization. */
return ps_lsetregs (th->th_ta_p->ph, ps_getpid (th->th_ta_p->ph),
gregs) != PS_OK ? TD_ERR : TD_OK;
/* We have to get the state and the PID for this thread. */
err = DB_GET_FIELD (cancelhandling, th->th_ta_p, th->th_unique, pthread,
cancelhandling, 0);
if (err != TD_OK)
return err;
/* Only set the registers if the thread hasn't yet terminated. */
if ((((int) (uintptr_t) cancelhandling) & TERMINATED_BITMASK) == 0)
{
err = DB_GET_FIELD (tid, th->th_ta_p, th->th_unique, pthread, tid, 0);
if (err != TD_OK)
return err;
if (ps_lsetregs (th->th_ta_p->ph, tid - (psaddr_t) 0, gregs) != PS_OK)
return TD_ERR;
}
return TD_OK;
}
td_err_e
td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
{
struct _pthread_descr_struct pds = { .p_terminated = 0, .p_pid = 0 };
LOG ("td_thr_setgregs");
/* We have to get the state and the PID for this thread. */
if (th->th_unique != NULL
&& ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
sizeof (struct _pthread_descr_struct)) != PS_OK)
return TD_ERR;
/* Only set the registers if the thread hasn't yet terminated. */
if (pds.p_terminated == 0)
{
pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
if (ps_lsetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
return TD_ERR;
}
return TD_OK;
}
