diff options
Diffstat (limited to 'linuxthreads_db/td_ta_map_id2thr.c')
-rw-r--r-- | linuxthreads_db/td_ta_map_id2thr.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c new file mode 100644 index 0000000000..ffbc8b2908 --- /dev/null +++ b/linuxthreads_db/td_ta_map_id2thr.c @@ -0,0 +1,47 @@ +/* Map thread ID to thread handle. + 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_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th) +{ + struct pthread_handle_struct *handles = ta->handles; + struct pthread_handle_struct phc; + int pthread_threads_max = ta->pthread_threads_max; + + LOG (__FUNCTION__); + + /* We can compute the entry in the handle array we want. */ + if (ps_pdread (ta->ph, handles + pt % pthread_threads_max, &phc, + sizeof (struct pthread_handle_struct)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Test whether this entry is in use. */ + if (phc.h_descr == NULL) + return TD_BADTH; + + /* Create the `td_thrhandle_t' object. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = phc.h_descr; + + return TD_OK; +} |