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glibc  2.9
Functions
td_thr_getgregs.c File Reference
#include "thread_dbP.h"

Go to the source code of this file.

Functions

td_err_e td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)

Function Documentation

Definition at line 25 of file td_thr_getgregs.c.

{
  struct _pthread_descr_struct pds;

  LOG ("td_thr_getgregs");

  if (th->th_unique == NULL)
    {
      /* No data yet.  Use the main thread.  */
      pid_t pid = ps_getpid (th->th_ta_p->ph);
      if (ps_lgetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
       return TD_ERR;
      return TD_OK;
    }

  /* We have to get the state and the PID for this thread.  */
  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
               sizeof (struct _pthread_descr_struct)) != PS_OK)
    return TD_ERR;

  /* If the thread already terminated we return all zeroes.  */
  if (pds.p_terminated)
    memset (gregs, '\0', sizeof (prgregset_t));
  /* Otherwise get the register content through the callback.  */
  else
    {
      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);

      if (ps_lgetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
       return TD_ERR;
    }

  return TD_OK;
}