shmbuf.h 1.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _SPARC_SHMBUF_H
  3. #define _SPARC_SHMBUF_H
  4. /*
  5. * The shmid64_ds structure for sparc architecture.
  6. * Note extra padding because this structure is passed back and forth
  7. * between kernel and user space.
  8. *
  9. * Pad space is left for:
  10. * - 2 miscellaneous 32-bit values
  11. */
  12. struct shmid64_ds {
  13. struct ipc64_perm shm_perm; /* operation perms */
  14. #if defined(__sparc__) && defined(__arch64__)
  15. __kernel_time_t shm_atime; /* last attach time */
  16. __kernel_time_t shm_dtime; /* last detach time */
  17. __kernel_time_t shm_ctime; /* last change time */
  18. #else
  19. unsigned long shm_atime_high;
  20. unsigned long shm_atime; /* last attach time */
  21. unsigned long shm_dtime_high;
  22. unsigned long shm_dtime; /* last detach time */
  23. unsigned long shm_ctime_high;
  24. unsigned long shm_ctime; /* last change time */
  25. #endif
  26. size_t shm_segsz; /* size of segment (bytes) */
  27. __kernel_pid_t shm_cpid; /* pid of creator */
  28. __kernel_pid_t shm_lpid; /* pid of last operator */
  29. unsigned long shm_nattch; /* no. of current attaches */
  30. unsigned long __unused1;
  31. unsigned long __unused2;
  32. };
  33. struct shminfo64 {
  34. unsigned long shmmax;
  35. unsigned long shmmin;
  36. unsigned long shmmni;
  37. unsigned long shmseg;
  38. unsigned long shmall;
  39. unsigned long __unused1;
  40. unsigned long __unused2;
  41. unsigned long __unused3;
  42. unsigned long __unused4;
  43. };
  44. #endif /* _SPARC_SHMBUF_H */