1  /* THREAD_* accessors.  Generic version based on struct pthread pointers.
       2     Copyright (C) 2002-2023 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  /* Note: These are for accessing the TCB of the *current* thread.
      20     descr can be disregarded on some targets as an optimization.  See
      21     i386 for an example.  */
      22  
      23  #define THREAD_GETMEM(descr, member) \
      24    descr->member
      25  #define THREAD_GETMEM_VOLATILE(descr, member) \
      26    (*(volatile __typeof (descr->member) *)&descr->member)
      27  #define THREAD_GETMEM_NC(descr, member, idx) \
      28    descr->member[idx]
      29  #define THREAD_SETMEM(descr, member, value) \
      30    descr->member = (value)
      31  #define THREAD_SETMEM_NC(descr, member, idx, value) \
      32    descr->member[idx] = (value)