text: /* Validate a thread handle.
     Copyright (C) 1999, 2001 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
     Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, write to the Free
     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     02111-1307 USA.  */
  
  #include "thread_dbP.h"
  
  
  td_err_e
  td_thr_validate (const td_thrhandle_t *th)
  {
    struct pthread_handle_struct *handles = th->th_ta_p->handles;
    int pthread_threads_max = th->th_ta_p->pthread_threads_max;
    int cnt;
  
    LOG (__FUNCTION__);
  
    /* Now get all descriptors, one after the other.  */
    for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
      {
        struct pthread_handle_struct phc;
  
        if (ps_pdread (th->th_ta_p->ph, handles, &phc,
  		     sizeof (struct pthread_handle_struct)) != PS_OK)
  	return TD_ERR;	/* XXX Other error value?  */
  
        if (phc.h_descr != NULL && phc.h_descr == th->th_unique)
  	{
  	  struct _pthread_descr_struct pds;
  
  	  if (ps_pdread (th->th_ta_p->ph, phc.h_descr, &pds,
  			 th->th_ta_p->sizeof_descr) != PS_OK)
  	    return TD_ERR;	/* XXX Other error value?  */
  
  	  /* XXX There should be another test using the TID but this is
  	     currently not available.  */
  	  return pds.p_terminated != 0 ? TD_NOTHR : TD_OK;
  	}
      }
  
    return TD_ERR;
  }
  