arch/sparc/include/uapi/asm/shmbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _SPARC_SHMBUF_H
   3 #define _SPARC_SHMBUF_H
   4
   5 /*
   6  * The shmid64_ds structure for sparc architecture.
   7  * Note extra padding because this structure is passed back and forth
   8  * between kernel and user space.
   9  *
  10  * Pad space is left for:
  11  * - 2 miscellaneous 32-bit values
  12  */
  13
  14 struct shmid64_ds {
  15         struct ipc64_perm       shm_perm;       /* operation perms */
  16 #if defined(__sparc__) && defined(__arch64__)
  17         __kernel_time_t         shm_atime;      /* last attach time */
  18         __kernel_time_t         shm_dtime;      /* last detach time */
  19         __kernel_time_t         shm_ctime;      /* last change time */
  20 #else
  21         unsigned long           shm_atime_high;
  22         unsigned long           shm_atime;      /* last attach time */
  23         unsigned long           shm_dtime_high;
  24         unsigned long           shm_dtime;      /* last detach time */
  25         unsigned long           shm_ctime_high;
  26         unsigned long           shm_ctime;      /* last change time */
  27 #endif
  28         size_t                  shm_segsz;      /* size of segment (bytes) */
  29         __kernel_pid_t          shm_cpid;       /* pid of creator */
  30         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  31         unsigned long           shm_nattch;     /* no. of current attaches */
  32         unsigned long           __unused1;
  33         unsigned long           __unused2;
  34 };
  35
  36 struct shminfo64 {
  37         unsigned long   shmmax;
  38         unsigned long   shmmin;
  39         unsigned long   shmmni;
  40         unsigned long   shmseg;
  41         unsigned long   shmall;
  42         unsigned long   __unused1;
  43         unsigned long   __unused2;
  44         unsigned long   __unused3;
  45         unsigned long   __unused4;
  46 };
  47
  48 #endif /* _SPARC_SHMBUF_H */