msgbuf.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _PARISC_MSGBUF_H
  3. #define _PARISC_MSGBUF_H
  4. #include <asm/bitsperlong.h>
  5. #include <asm/ipcbuf.h>
  6. /*
  7. * The msqid64_ds structure for parisc architecture, copied from sparc.
  8. * Note extra padding because this structure is passed back and forth
  9. * between kernel and user space.
  10. *
  11. * Pad space is left for:
  12. * - 2 miscellaneous 32-bit values
  13. */
  14. struct msqid64_ds {
  15. struct ipc64_perm msg_perm;
  16. #if __BITS_PER_LONG == 64
  17. long msg_stime; /* last msgsnd time */
  18. long msg_rtime; /* last msgrcv time */
  19. long msg_ctime; /* last change time */
  20. #else
  21. unsigned long msg_stime_high;
  22. unsigned long msg_stime; /* last msgsnd time */
  23. unsigned long msg_rtime_high;
  24. unsigned long msg_rtime; /* last msgrcv time */
  25. unsigned long msg_ctime_high;
  26. unsigned long msg_ctime; /* last change time */
  27. #endif
  28. unsigned long msg_cbytes; /* current number of bytes on queue */
  29. unsigned long msg_qnum; /* number of messages in queue */
  30. unsigned long msg_qbytes; /* max number of bytes on queue */
  31. __kernel_pid_t msg_lspid; /* pid of last msgsnd */
  32. __kernel_pid_t msg_lrpid; /* last receive pid */
  33. unsigned long __unused1;
  34. unsigned long __unused2;
  35. };
  36. #endif /* _PARISC_MSGBUF_H */