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sourceware.org Git - glibc.git/blob - nptl_db/td_thr_validate.c
1 /* Validate a thread handle.
2 Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include "thread_dbP.h"
25 check_thread_list (const td_thrhandle_t
*th
, psaddr_t head
)
30 err
= DB_GET_FIELD (next
, th
->th_ta_p
, head
, list_t
, next
, 0);
35 err
= DB_GET_FIELD_ADDRESS (ofs
, th
->th_ta_p
, 0, pthread
, list
, 0);
43 if (next
- (ofs
- (psaddr_t
) 0) == th
->th_unique
)
46 err
= DB_GET_FIELD (next
, th
->th_ta_p
, next
, list_t
, next
, 0);
54 td_thr_validate (const td_thrhandle_t
*th
)
59 LOG ("td_thr_validate");
61 /* First check the list with threads using user allocated stacks. */
62 err
= DB_GET_SYMBOL (list
, th
->th_ta_p
, __stack_user
);
64 err
= check_thread_list (th
, list
);
66 /* If our thread is not on this list search the list with stack
67 using implementation allocated stacks. */
70 err
= DB_GET_SYMBOL (list
, th
->th_ta_p
, stack_used
);
72 err
= check_thread_list (th
, list
);
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