include/asm-xtensa/shmbuf.h

   1 /*
   2  * include/asm-xtensa/shmbuf.h
   3  *
   4  * The shmid64_ds structure for Xtensa architecture.
   5  * Note extra padding because this structure is passed back and forth
   6  * between kernel and user space.
   7  *
   8  * Pad space is left for:
   9  * - 64-bit time_t to solve y2038 problem
  10  * - 2 miscellaneous 32-bit values
  11  *
  12  * This file is subject to the terms and conditions of the GNU General Public
  13  * License.  See the file "COPYING" in the main directory of this archive
  14  * for more details.
  15  *
  16  * Copyright (C) 2001 - 2005 Tensilica Inc.
  17  */
  18
  19 #ifndef _XTENSA_SHMBUF_H
  20 #define _XTENSA_SHMBUF_H
  21
  22 struct shmid64_ds {
  23         struct ipc64_perm       shm_perm;       /* operation perms */
  24         size_t                  shm_segsz;      /* size of segment (bytes) */
  25         __kernel_time_t         shm_atime;      /* last attach time */
  26         unsigned long           __unused1;
  27         __kernel_time_t         shm_dtime;      /* last detach time */
  28         unsigned long           __unused2;
  29         __kernel_time_t         shm_ctime;      /* last change time */
  30         unsigned long           __unused3;
  31         __kernel_pid_t          shm_cpid;       /* pid of creator */
  32         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  33         unsigned long           shm_nattch;     /* no. of current attaches */
  34         unsigned long           __unused4;
  35         unsigned long           __unused5;
  36 };
  37
  38 struct shminfo64 {
  39         unsigned long   shmmax;
  40         unsigned long   shmmin;
  41         unsigned long   shmmni;
  42         unsigned long   shmseg;
  43         unsigned long   shmall;
  44         unsigned long   __unused1;
  45         unsigned long   __unused2;
  46         unsigned long   __unused3;
  47         unsigned long   __unused4;
  48 };
  49
  50 #endif  /* _XTENSA_SHMBUF_H */