LXR linux/arch/parisc/include/uapi/asm/shmbuf.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _PARISC_SHMBUF_H
   3#define _PARISC_SHMBUF_H
   4
   5#include <asm/bitsperlong.h>
   6
   7/* 
   8 * The shmid64_ds structure for parisc architecture.
   9 * Note extra padding because this structure is passed back and forth
  10 * between kernel and user space.
  11 *
  12 * Pad space is left for:
  13 * - 2 miscellaneous 32-bit values
  14 */
  15
  16struct shmid64_ds {
  17        struct ipc64_perm       shm_perm;       /* operation perms */
  18#if __BITS_PER_LONG == 64
  19        long                    shm_atime;      /* last attach time */
  20        long                    shm_dtime;      /* last detach time */
  21        long                    shm_ctime;      /* last change time */
  22#else
  23        unsigned long           shm_atime_high;
  24        unsigned long           shm_atime;      /* last attach time */
  25        unsigned long           shm_dtime_high;
  26        unsigned long           shm_dtime;      /* last detach time */
  27        unsigned long           shm_ctime_high;
  28        unsigned long           shm_ctime;      /* last change time */
  29        unsigned int            __pad4;
  30#endif
  31        __kernel_size_t         shm_segsz;      /* size of segment (bytes) */
  32        __kernel_pid_t          shm_cpid;       /* pid of creator */
  33        __kernel_pid_t          shm_lpid;       /* pid of last operator */
  34        unsigned long           shm_nattch;     /* no. of current attaches */
  35        unsigned long           __unused1;
  36        unsigned long           __unused2;
  37};
  38
  39struct shminfo64 {
  40        unsigned long   shmmax;
  41        unsigned long   shmmin;
  42        unsigned long   shmmni;
  43        unsigned long   shmseg;
  44        unsigned long   shmall;
  45        unsigned long   __unused1;
  46        unsigned long   __unused2;
  47        unsigned long   __unused3;
  48        unsigned long   __unused4;
  49};
  50
  51#endif /* _PARISC_SHMBUF_H */
  52