msgbuf.h 1.5 KB

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  1. /*
  2. * include/asm-xtensa/msgbuf.h
  3. *
  4. * The msqid64_ds structure for the Xtensa architecture.
  5. * Note extra padding because this structure is passed back and forth
  6. * between kernel and user space.
  7. *
  8. * Pad space is left for:
  9. * - 64-bit time_t to solve y2038 problem
  10. * - 2 miscellaneous 32-bit values
  11. *
  12. * This file is subject to the terms and conditions of the GNU General
  13. * Public License. See the file "COPYING" in the main directory of
  14. * this archive for more details.
  15. */
  16. #ifndef _XTENSA_MSGBUF_H
  17. #define _XTENSA_MSGBUF_H
  18. struct msqid64_ds {
  19. struct ipc64_perm msg_perm;
  20. #ifdef __XTENSA_EB__
  21. unsigned int __unused1;
  22. __kernel_time_t msg_stime; /* last msgsnd time */
  23. unsigned int __unused2;
  24. __kernel_time_t msg_rtime; /* last msgrcv time */
  25. unsigned int __unused3;
  26. __kernel_time_t msg_ctime; /* last change time */
  27. #elif defined(__XTENSA_EL__)
  28. __kernel_time_t msg_stime; /* last msgsnd time */
  29. unsigned int __unused1;
  30. __kernel_time_t msg_rtime; /* last msgrcv time */
  31. unsigned int __unused2;
  32. __kernel_time_t msg_ctime; /* last change time */
  33. unsigned int __unused3;
  34. #else
  35. # error processor byte order undefined!
  36. #endif
  37. unsigned long msg_cbytes; /* current number of bytes on queue */
  38. unsigned long msg_qnum; /* number of messages in queue */
  39. unsigned long msg_qbytes; /* max number of bytes on queue */
  40. __kernel_pid_t msg_lspid; /* pid of last msgsnd */
  41. __kernel_pid_t msg_lrpid; /* last receive pid */
  42. unsigned long __unused4;
  43. unsigned long __unused5;
  44. };
  45. #endif /* _XTENSA_MSGBUF_H */