1  /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  Generic.
       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  /*
      20   * Never include <bits/ipctypes.h> directly.
      21   */
      22  
      23  #ifndef _BITS_IPCTYPES_H
      24  #define _BITS_IPCTYPES_H	1
      25  
      26  #include <bits/types.h>
      27  
      28  /* Used in `struct shmid_ds'.  */
      29  # if __WORDSIZE == 32
      30  typedef unsigned short int __ipc_pid_t;
      31  # else
      32  typedef int __ipc_pid_t;
      33  # endif
      34  
      35  
      36  #endif /* bits/ipctypes.h */