1  /* Get the number of threads in the process.
       2     Copyright (C) 1999-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include "thread_dbP.h"
      20  
      21  td_err_e
      22  td_ta_get_nthreads (const td_thragent_t *ta_arg, int *np)
      23  {
      24    td_thragent_t *const ta = (td_thragent_t *) ta_arg;
      25    td_err_e err;
      26    psaddr_t n;
      27  
      28    LOG ("td_ta_get_nthreads");
      29  
      30    /* Test whether the TA parameter is ok.  */
      31    if (! ta_ok (ta))
      32      return TD_BADTA;
      33  
      34    /* Access the variable in the inferior that tells us.  */
      35    err = DB_GET_VALUE (n, ta, __nptl_nthreads, 0);
      36    if (err == TD_OK)
      37      *np = (uintptr_t) n;
      38  
      39    return err;
      40  }