diff options
Diffstat (limited to 'nptl_db/td_ta_tsd_iter.c')
-rw-r--r-- | nptl_db/td_ta_tsd_iter.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/nptl_db/td_ta_tsd_iter.c b/nptl_db/td_ta_tsd_iter.c new file mode 100644 index 0000000000..cbc2f37c51 --- /dev/null +++ b/nptl_db/td_ta_tsd_iter.c @@ -0,0 +1,53 @@ +/* Iterate over a process's thread-specific data. + Copyright (C) 1999, 2000, 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 <alloca.h> + +td_err_e +td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback, + void *cbdata_p) +{ + LOG ("td_ta_tsd_iter"); + + /* Test whether the TA parameter is ok. */ + if (! ta_ok (ta)) + return TD_BADTA; + + int pthread_keys_max = ta->pthread_keys_max; + struct pthread_key_struct *keys; + keys = (struct pthread_key_struct *) alloca (sizeof (keys[0]) + * pthread_keys_max); + + /* Read all the information about the keys. */ + if (ps_pdread (ta->ph, ta->keys, keys, + sizeof (keys[0]) * pthread_keys_max) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + /* Now get all descriptors, one after the other. */ + int cnt; + for (cnt = 0; cnt < pthread_keys_max; ++cnt) + if (!KEY_UNUSED (keys[cnt].seq) + /* Return with an error if the callback returns a nonzero value. */ + && callback (cnt, keys[cnt].destr, cbdata_p) != 0) + return TD_DBERR; + + return TD_OK; +} |