Update.
[glibc.git] / linuxthreads_db / td_thr_setfpregs.c
blob0d4fce5402c99cda26448525d5b1e56e8a25d595
1 /* Set a thread's floating-point register set.
2 Copyright (C) 1999, 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.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_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
27 struct _pthread_descr_struct pds;
29 LOG ("td_thr_setfpregs");
31 /* We have to get the state and the PID for this thread. */
32 if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
33 sizeof (struct _pthread_descr_struct)) != PS_OK)
34 return TD_ERR;
36 /* Only set the registers if the thread hasn't yet terminated. */
37 if (pds.p_terminated == 0)
39 pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
41 if (ps_lsetfpregs (th->th_ta_p->ph, pid, fpregs) != PS_OK)
42 return TD_ERR;
45 return TD_OK;