include/asm-blackfin/shmbuf.h

   1 #ifndef _BFIN_SHMBUF_H
   2 #define _BFIN_SHMBUF_H
   3
   4 /*
   5  * The shmid64_ds structure for bfin 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                          /* _BFIN_SHMBUF_H */