bits/ipctypes.h

   1 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  Generic.
   2    Copyright (C) 2002-2017 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    <http://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 */