arch/x86/include/uapi/asm/shmbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __ASM_X86_SHMBUF_H
   3 #define __ASM_X86_SHMBUF_H
   4
   5 #if !defined(__x86_64__) || !defined(__ILP32__)
   6 #include <asm-generic/shmbuf.h>
   7 #else
   8 /*
   9  * The shmid64_ds structure for x86 architecture with x32 ABI.
  10  *
  11  * On x86-32 and x86-64 we can just use the generic definition, but
  12  * x32 uses the same binary layout as x86_64, which is differnet
  13  * from other 32-bit architectures.
  14  */
  15
  16 struct shmid64_ds {
  17         struct ipc64_perm       shm_perm;       /* operation perms */
  18         size_t                  shm_segsz;      /* size of segment (bytes) */
  19         __kernel_long_t         shm_atime;      /* last attach time */
  20         __kernel_long_t         shm_dtime;      /* last detach time */
  21         __kernel_long_t         shm_ctime;      /* last change time */
  22         __kernel_pid_t          shm_cpid;       /* pid of creator */
  23         __kernel_pid_t          shm_lpid;       /* pid of last operator */
  24         __kernel_ulong_t        shm_nattch;     /* no. of current attaches */
  25         __kernel_ulong_t        __unused4;
  26         __kernel_ulong_t        __unused5;
  27 };
  28
  29 struct shminfo64 {
  30         __kernel_ulong_t        shmmax;
  31         __kernel_ulong_t        shmmin;
  32         __kernel_ulong_t        shmmni;
  33         __kernel_ulong_t        shmseg;
  34         __kernel_ulong_t        shmall;
  35         __kernel_ulong_t        __unused1;
  36         __kernel_ulong_t        __unused2;
  37         __kernel_ulong_t        __unused3;
  38         __kernel_ulong_t        __unused4;
  39 };
  40
  41 #endif
  42
  43 #endif /* __ASM_X86_SHMBUF_H */