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

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_SHMBUF_H
   3 #define _ASM_SHMBUF_H
   4
   5 /*
   6  * The shmid64_ds structure for FR-V 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  * - 64-bit time_t to solve y2038 problem
  12  * - 2 miscellaneous 32-bit values
  13  */
  14
  15 struct shmid64_ds {
  16         struct ipc64_perm       shm_perm;       /* operation perms */
  17         size_t                  shm_segsz;      /* size of segment (bytes) */
  18         __kernel_time_t         shm_atime;      /* last attach time */
  19         unsigned long           __unused1;
  20         __kernel_time_t         shm_dtime;      /* last detach time */
  21         unsigned long           __unused2;
  22         __kernel_time_t         shm_ctime;      /* last change time */
  23         unsigned long           __unused3;
  24         __kernel_pid_t          shm_cpid;       /* pid of creator */
  25         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  26         unsigned long           shm_nattch;     /* no. of current attaches */
  27         unsigned long           __unused4;
  28         unsigned long           __unused5;
  29 };
  30
  31 struct shminfo64 {
  32         unsigned long   shmmax;
  33         unsigned long   shmmin;
  34         unsigned long   shmmni;
  35         unsigned long   shmseg;
  36         unsigned long   shmall;
  37         unsigned long   __unused1;
  38         unsigned long   __unused2;
  39         unsigned long   __unused3;
  40         unsigned long   __unused4;
  41 };
  42
  43 #endif /* _ASM_SHMBUF_H */
  44