include/asm-nios2nommu/msgbuf.h

   1 /*
   2  * Taken from the m68k.
   3  *
   4  * Copyright (C) 2004, Microtronix Datacom Ltd.
   5  *
   6  * All rights reserved.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  16  * NON INFRINGEMENT.  See the GNU General Public License for more
  17  * details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  */
  24
  25 #ifndef _NIOS2_MSGBUF_H
  26 #define _NIOS2_MSGBUF_H
  27
  28 /*
  29  * The msqid64_ds structure for nios2 architecture.
  30  * Note extra padding because this structure is passed back and forth
  31  * between kernel and user space.
  32  *
  33  * Pad space is left for:
  34  * - 64-bit time_t to solve y2038 problem
  35  * - 2 miscellaneous 32-bit values
  36  */
  37
  38 struct msqid64_ds {
  39         struct ipc64_perm msg_perm;
  40         __kernel_time_t msg_stime;      /* last msgsnd time */
  41         unsigned long   __unused1;
  42         __kernel_time_t msg_rtime;      /* last msgrcv time */
  43         unsigned long   __unused2;
  44         __kernel_time_t msg_ctime;      /* last change time */
  45         unsigned long   __unused3;
  46         unsigned long  msg_cbytes;      /* current number of bytes on queue */
  47         unsigned long  msg_qnum;        /* number of messages in queue */
  48         unsigned long  msg_qbytes;      /* max number of bytes on queue */
  49         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  50         __kernel_pid_t msg_lrpid;       /* last receive pid */
  51         unsigned long  __unused4;
  52         unsigned long  __unused5;
  53 };
  54
  55 #endif /* _NIOS2_MSGBUF_H */
  56