1/* Get the number of threads in the process.
2 Copyright (C) 1999-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
5
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.
10
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.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include "thread_dbP.h"
21
22td_err_e
23td_ta_get_nthreads (const td_thragent_t *ta_arg, int *np)
24{
25 td_thragent_t *const ta = (td_thragent_t *) ta_arg;
26 td_err_e err;
27 psaddr_t n;
28
29 LOG ("td_ta_get_nthreads");
30
31 /* Test whether the TA parameter is ok. */
32 if (! ta_ok (ta))
33 return TD_BADTA;
34
35 /* Access the variable in the inferior that tells us. */
36 err = DB_GET_VALUE (n, ta, __nptl_nthreads, 0);
37 if (err == TD_OK)
38 *np = (uintptr_t) n;
39
40 return err;
41}
42