arch/powerpc/include/asm/shmbuf.h

   1 #ifndef _ASM_POWERPC_SHMBUF_H
   2 #define _ASM_POWERPC_SHMBUF_H
   3
   4 /*
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version
   8  * 2 of the License, or (at your option) any later version.
   9  */
  10
  11 /*
  12  * The shmid64_ds structure for PPC architecture.
  13  *
  14  * Note extra padding because this structure is passed back and forth
  15  * between kernel and user space.
  16  *
  17  * Pad space is left for:
  18  * - 64-bit time_t to solve y2038 problem
  19  * - 2 miscellaneous 32-bit values
  20  */
  21
  22 struct shmid64_ds {
  23         struct ipc64_perm       shm_perm;       /* operation perms */
  24 #ifndef __powerpc64__
  25         unsigned long           __unused1;
  26 #endif
  27         __kernel_time_t         shm_atime;      /* last attach time */
  28 #ifndef __powerpc64__
  29         unsigned long           __unused2;
  30 #endif
  31         __kernel_time_t         shm_dtime;      /* last detach time */
  32 #ifndef __powerpc64__
  33         unsigned long           __unused3;
  34 #endif
  35         __kernel_time_t         shm_ctime;      /* last change time */
  36 #ifndef __powerpc64__
  37         unsigned long           __unused4;
  38 #endif
  39         size_t                  shm_segsz;      /* size of segment (bytes) */
  40         __kernel_pid_t          shm_cpid;       /* pid of creator */
  41         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  42         unsigned long           shm_nattch;     /* no. of current attaches */
  43         unsigned long           __unused5;
  44         unsigned long           __unused6;
  45 };
  46
  47 struct shminfo64 {
  48         unsigned long   shmmax;
  49         unsigned long   shmmin;
  50         unsigned long   shmmni;
  51         unsigned long   shmseg;
  52         unsigned long   shmall;
  53         unsigned long   __unused1;
  54         unsigned long   __unused2;
  55         unsigned long   __unused3;
  56         unsigned long   __unused4;
  57 };
  58
  59 #endif  /* _ASM_POWERPC_SHMBUF_H */