LXR linux/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
  14struct shmid64_ds {
  15        struct ipc64_perm       shm_perm;       /* operation perms */
  16#if defined(__sparc__) && defined(__arch64__)
  17        long                    shm_atime;      /* last attach time */
  18        long                    shm_dtime;      /* last detach time */
  19        long                    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
  36struct 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 */
  49