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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [linuxthreads/] [td_thr_getgregs.c] - Blame information for rev 207

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Line No. Rev Author Line
1 207 jeremybenn
/* Get a thread's general register set.
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   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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#include "thread_dbP.h"
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td_err_e
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td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
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{
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  struct _pthread_descr_struct pds;
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  LOG ("td_thr_getgregs");
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  /* We have to get the state and the PID for this thread.  */
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  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
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                 sizeof (struct _pthread_descr_struct)) != PS_OK)
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    return TD_ERR;
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  /* If the thread already terminated we return all zeroes.  */
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  if (pds.p_terminated)
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    memset (gregs, '\0', sizeof (prgregset_t));
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  /* Otherwise get the register content through the callback.  */
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  else
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    {
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      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
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      if (ps_lgetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
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        return TD_ERR;
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    }
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  return TD_OK;
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}

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