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 #include <asm/ipcbuf.h>
   6 #include <asm/posix_types.h>
   7
   8 /*
   9  * The shmid64_ds structure for sparc architecture.
  10  * Note extra padding because this structure is passed back and forth
  11  * between kernel and user space.
  12  *
  13  * Pad space is left for:
  14  * - 2 miscellaneous 32-bit values
  15  */
  16
  17 struct shmid64_ds {
  18         struct ipc64_perm       shm_perm;       /* operation perms */
  19 #if defined(__sparc__) && defined(__arch64__)
  20         long                    shm_atime;      /* last attach time */
  21         long                    shm_dtime;      /* last detach time */
  22         long                    shm_ctime;      /* last change time */
  23 #else
  24         unsigned long           shm_atime_high;
  25         unsigned long           shm_atime;      /* last attach time */
  26         unsigned long           shm_dtime_high;
  27         unsigned long           shm_dtime;      /* last detach time */
  28         unsigned long           shm_ctime_high;
  29         unsigned long           shm_ctime;      /* last change time */
  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
  39 struct 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 /* _SPARC_SHMBUF_H */