sysdeps/htl/thrd_current.c

   1 /* C11 threads current thread implementation.
   2    Copyright (C) 2020-2021 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 "thrd_priv.h"
  20 #include <ldsodefs.h>
  21
  22 #pragma weak __pthread_self
  23 #pragma weak __pthread_threads
  24
  25 #ifndef SHARED
  26 #pragma weak _dl_pthread_threads
  27 #endif
  28
  29 thrd_t
  30 thrd_current (void)
  31 {
  32   if (GL (dl_pthread_threads))
  33     return (thrd_t) __pthread_self ();
  34
  35   return (thrd_t) 0;
  36 }