include/asm-arm/shmbuf.h

   1 #ifndef _ASMARM_SHMBUF_H
   2 #define _ASMARM_SHMBUF_H
   3
   4 /*
   5  * The shmid64_ds structure for arm architecture.
   6  * Note extra padding because this structure is passed back and forth
   7  * between kernel and user space.
   8  *
   9  * Pad space is left for:
  10  * - 64-bit time_t to solve y2038 problem
  11  * - 2 miscellaneous 32-bit values
  12  */
  13
  14 struct shmid64_ds {
  15         struct ipc64_perm       shm_perm;       /* operation perms */
  16         size_t                  shm_segsz;      /* size of segment (bytes) */
  17         __kernel_time_t         shm_atime;      /* last attach time */
  18         unsigned long           __unused1;
  19         __kernel_time_t         shm_dtime;      /* last detach time */
  20         unsigned long           __unused2;
  21         __kernel_time_t         shm_ctime;      /* last change time */
  22         unsigned long           __unused3;
  23         __kernel_pid_t          shm_cpid;       /* pid of creator */
  24         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  25         unsigned long           shm_nattch;     /* no. of current attaches */
  26         unsigned long           __unused4;
  27         unsigned long           __unused5;
  28 };
  29
  30 struct shminfo64 {
  31         unsigned long   shmmax;
  32         unsigned long   shmmin;
  33         unsigned long   shmmni;
  34         unsigned long   shmseg;
  35         unsigned long   shmall;
  36         unsigned long   __unused1;
  37         unsigned long   __unused2;
  38         unsigned long   __unused3;
  39         unsigned long   __unused4;
  40 };
  41
  42 #endif /* _ASMARM_SHMBUF_H */