diff options
Diffstat (limited to 'linuxthreads_db/td_thr_tsd.c')
-rw-r--r-- | linuxthreads_db/td_thr_tsd.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/linuxthreads_db/td_thr_tsd.c b/linuxthreads_db/td_thr_tsd.c deleted file mode 100644 index 978dc5e524..0000000000 --- a/linuxthreads_db/td_thr_tsd.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Get a thread-specific data pointer for a thread. - Copyright (C) 1999, 2001, 2002 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 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 <linuxthreads/internals.h> - - -td_err_e -td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data) -{ - struct _pthread_descr_struct pds; - struct pthread_key_struct *keys = th->th_ta_p->keys; - struct pthread_key_struct key; - int pthread_keys_max = th->th_ta_p->pthread_keys_max; - int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size; - unsigned int idx1st; - unsigned int idx2nd; - void *p; - - LOG ("td_thr_tsd"); - - /* If there is no thread descriptor there cannot be any thread - specific data. */ - if (th->th_unique == NULL) - return TD_BADKEY; - - /* Get the thread descriptor. */ - if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, - sizeof (struct _pthread_descr_struct)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* Check correct value of key. */ - if (tk >= pthread_keys_max) - return TD_BADKEY; - - /* Get the key entry. */ - if (ps_pdread (th->th_ta_p->ph, &keys[tk], &key, - sizeof (struct pthread_key_struct)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* Fail if this key is not at all used. */ - if (! key.in_use) - return TD_BADKEY; - - /* Compute the indeces. */ - idx1st = tk / pthread_key_2ndlevel_size; - idx2nd = tk % pthread_key_2ndlevel_size; - - /* Check the pointer to the second level array. */ - if (pds.p_specific[idx1st] == NULL) - return TD_NOTSD; - - /* Now get the real key. - XXX I don't know whether it's correct but there is currently no - easy way to determine whether a key was never set or the value - is NULL. We return an error whenever the value is NULL. */ - if (ps_pdread (th->th_ta_p->ph, &pds.p_specific[idx1st][idx2nd], &p, - sizeof (void *)) != PS_OK) - return TD_ERR; - - if (p != NULL) - *data = p; - - return p != NULL ? TD_OK : TD_NOTSD; -} |