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- /* Set a thread's general register set.
- Copyright (C) 1999, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.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, see
- <http://www.gnu.org/licenses/>. */
- #include "thread_dbP.h"
- 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;
- }
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