td_ta_get_nthreads.c 1.3 KB

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  1. /* Get the number of threads in the process.
  2. Copyright (C) 1999-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #include "thread_dbP.h"
  16. td_err_e
  17. td_ta_get_nthreads (const td_thragent_t *ta_arg, int *np)
  18. {
  19. td_thragent_t *const ta = (td_thragent_t *) ta_arg;
  20. td_err_e err;
  21. psaddr_t n;
  22. LOG ("td_ta_get_nthreads");
  23. /* Test whether the TA parameter is ok. */
  24. if (! ta_ok (ta))
  25. return TD_BADTA;
  26. /* Access the variable in the inferior that tells us. */
  27. err = DB_GET_VALUE (n, ta, __nptl_nthreads, 0);
  28. if (err == TD_OK)
  29. *np = (uintptr_t) n;
  30. return err;
  31. }