2.3.5-5
[glibc.git] / nptl_db / td_thr_setgregs.c
blob2a9ce7e01c50edbf6ca45f36516932e95477fa38
1 /* Set a thread's general register set.
2 Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include "thread_dbP.h"
24 td_err_e
25 td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
27 psaddr_t cancelhandling, tid;
28 td_err_e err;
30 LOG ("td_thr_setgregs");
32 /* We have to get the state and the PID for this thread. */
33 err = DB_GET_FIELD (cancelhandling, th->th_ta_p, th->th_unique, pthread,
34 cancelhandling, 0);
35 if (err != TD_OK)
36 return err;
38 /* Only set the registers if the thread hasn't yet terminated. */
39 if ((((int) (uintptr_t) cancelhandling) & TERMINATED_BITMASK) == 0)
41 err = DB_GET_FIELD (tid, th->th_ta_p, th->th_unique, pthread, tid, 0);
42 if (err != TD_OK)
43 return err;
45 if (ps_lsetregs (th->th_ta_p->ph, tid - (psaddr_t) 0, gregs) != PS_OK)
46 return TD_ERR;
49 return TD_OK;