include/asm-x86_64/shmbuf.h

   1 #ifndef _X8664_SHMBUF_H
   2 #define _X8664_SHMBUF_H
   3
   4 /*
   5  * The shmid64_ds structure for x8664 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  * - 2 miscellaneous 64-bit values
  11  */
  12
  13 struct shmid64_ds {
  14         struct ipc64_perm       shm_perm;       /* operation perms */
  15         size_t                  shm_segsz;      /* size of segment (bytes) */
  16         __kernel_time_t         shm_atime;      /* last attach time */
  17         __kernel_time_t         shm_dtime;      /* last detach time */
  18         __kernel_time_t         shm_ctime;      /* last change time */
  19         __kernel_pid_t          shm_cpid;       /* pid of creator */
  20         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  21         unsigned long           shm_nattch;     /* no. of current attaches */
  22         unsigned long           __unused4;
  23         unsigned long           __unused5;
  24 };
  25
  26 struct shminfo64 {
  27         unsigned long   shmmax;
  28         unsigned long   shmmin;
  29         unsigned long   shmmni;
  30         unsigned long   shmseg;
  31         unsigned long   shmall;
  32         unsigned long   __unused1;
  33         unsigned long   __unused2;
  34         unsigned long   __unused3;
  35         unsigned long   __unused4;
  36 };
  37
  38 #endif