mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
a88c926368
2003-02-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control variable for non-libpthread case to the same value the pthread_once function would use.
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* Which thread is running on an LWP? i386 version.
|
|
Copyright (C) 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
|
|
|
|
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"
|
|
#include <tls.h>
|
|
|
|
|
|
td_err_e
|
|
td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
|
|
{
|
|
LOG ("td_ta_map_lwp2thr");
|
|
|
|
/* Test whether the TA parameter is ok. */
|
|
if (! ta_ok (ta))
|
|
return TD_BADTA;
|
|
|
|
prgregset_t regs;
|
|
if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
|
|
return TD_ERR;
|
|
|
|
/* Get the thread area for the addressed thread. */
|
|
if (ps_get_thread_area (ta->ph, lwpid, regs[18] >> 3, &th->th_unique)
|
|
!= PS_OK)
|
|
return TD_ERR; /* XXX Other error value? */
|
|
|
|
/* Found it. Now complete the `td_thrhandle_t' object. */
|
|
th->th_ta_p = (td_thragent_t *) ta;
|
|
|
|
return TD_OK;
|
|
}
|