1  /* Common threading primitives definitions for both POSIX and C11.
       2     Copyright (C) 2017-2023 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  #ifndef _THREAD_SHARED_TYPES_H
      20  #define _THREAD_SHARED_TYPES_H 1
      21  
      22  #include <bits/pthreadtypes-arch.h>
      23  #include <bits/types/struct___pthread_once.h>
      24  #include <bits/types/__thrd_t.h>
      25  
      26  typedef int __tss_t;
      27  
      28  typedef union
      29  {
      30    struct __pthread_once __data;
      31    int __align __ONCE_ALIGNMENT;
      32    char __size[__SIZEOF_PTHREAD_ONCE_T];
      33  } __once_flag;
      34  
      35  #define __ONCE_FLAG_INIT { { __PTHREAD_ONCE_INIT } }
      36  
      37  #endif /* _THREAD_SHARED_TYPES_H  */