shmbuf_x86.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef __ASM_X86_SHMBUF_H
  3. #define __ASM_X86_SHMBUF_H
  4. #if !defined(__x86_64__) || !defined(__ILP32__)
  5. #include <asm-generic/shmbuf.h>
  6. #else
  7. #include <asm/ipcbuf.h>
  8. #include <asm/posix_types.h>
  9. /*
  10. * The shmid64_ds structure for x86 architecture with x32 ABI.
  11. *
  12. * On x86-32 and x86-64 we can just use the generic definition, but
  13. * x32 uses the same binary layout as x86_64, which is different
  14. * from other 32-bit architectures.
  15. */
  16. struct shmid64_ds {
  17. struct ipc64_perm shm_perm; /* operation perms */
  18. __kernel_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. struct shminfo64 {
  29. __kernel_ulong_t shmmax;
  30. __kernel_ulong_t shmmin;
  31. __kernel_ulong_t shmmni;
  32. __kernel_ulong_t shmseg;
  33. __kernel_ulong_t shmall;
  34. __kernel_ulong_t __unused1;
  35. __kernel_ulong_t __unused2;
  36. __kernel_ulong_t __unused3;
  37. __kernel_ulong_t __unused4;
  38. };
  39. #endif
  40. #endif /* __ASM_X86_SHMBUF_H */