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author | Roland McGrath <roland@gnu.org> | 2002-12-05 05:15:35 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2002-12-05 05:15:35 +0000 |
commit | d5ed0118caf96e8b0d9d17e8434efafb8a183629 (patch) | |
tree | 8075122699c2101df4b58e2a7486f2ecc26b9bbe /nptl/sysdeps/i386 | |
parent | ac110745dcbef340ea4f5808f96a95bb306df3ae (diff) | |
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* forward.c (pthread_self): Use FORWARD3 macro to correct return type.
* sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
* sysdeps/generic/td_ta_map_lwp2thr.c: New file.
* pthread_create.c (start_thread): Add missing & on __nptl_last_event.
Diffstat (limited to 'nptl/sysdeps/i386')
-rw-r--r-- | nptl/sysdeps/i386/td_ta_map_lwp2thr.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/td_ta_map_lwp2thr.c b/nptl/sysdeps/i386/td_ta_map_lwp2thr.c new file mode 100644 index 0000000000..94f6d34987 --- /dev/null +++ b/nptl/sysdeps/i386/td_ta_map_lwp2thr.c @@ -0,0 +1,48 @@ +/* Which thread is running on an LWP? i386 version. + Copyright (C) 1999, 2001, 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "thread_dbP.h" +#include <tls.h> +#include <sys/reg.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[GS] >> 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; +} |