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author | Ulrich Drepper <drepper@redhat.com> | 1999-10-08 07:03:03 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-10-08 07:03:03 +0000 |
commit | 9640bbe1c1fab7e1373e59160889b1fbc0bd000c (patch) | |
tree | 287038440c837cce542aba340414a0ce3b677f35 /linuxthreads_db/td_ta_map_lwp2thr.c | |
parent | 10507e559514de6b31d1b81cbcc3c81b662aef89 (diff) | |
download | glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.tar.gz glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.tar.xz glibc-9640bbe1c1fab7e1373e59160889b1fbc0bd000c.zip |
Update.
1999-10-07 Ulrich Drepper <drepper@cygnus.com> * Implies: New file. * internals.h (struct _pthread_descr_struct): Add p_startfct. * manager.c (pthread_handle_create): Initialize p_startfct. * pthread.c: Define __linuxthread_pthread_sizeof_descr variable.
Diffstat (limited to 'linuxthreads_db/td_ta_map_lwp2thr.c')
-rw-r--r-- | linuxthreads_db/td_ta_map_lwp2thr.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_map_lwp2thr.c b/linuxthreads_db/td_ta_map_lwp2thr.c new file mode 100644 index 0000000000..995620f023 --- /dev/null +++ b/linuxthreads_db/td_ta_map_lwp2thr.c @@ -0,0 +1,62 @@ +/* Which thread is running on an lwp? + Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "thread_dbP.h" + + +td_err_e +td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th) +{ + struct pthread_handle_struct *handles = ta->handles; + int pthread_threads_max = ta->pthread_threads_max; + size_t cnt; + + LOG (__FUNCTION__); + + /* Get the entries one after the other and find out whether the ID + matches. */ + for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles) + { + struct pthread_handle_struct phc; + struct _pthread_descr_struct pds; + + if (ps_pdread (ta->ph, handles, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (phc.h_descr != NULL) + { + if (ps_pdread (ta->ph, phc.h_descr, &pds, + sizeof (struct _pthread_descr_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + if (pds.p_pid == lwpid) + { + /* Found it. Now fill in the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = phc.h_descr; + + return TD_OK; + } + } + } + + return TD_NOLWP; +} |