arch/s390/include/asm/msgbuf.h

   1 #ifndef _S390_MSGBUF_H
   2 #define _S390_MSGBUF_H
   3
   4 /*
   5  * The msqid64_ds structure for S/390 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  * - 64-bit time_t to solve y2038 problem
  11  * - 2 miscellaneous 32-bit values
  12  */
  13
  14 struct msqid64_ds {
  15         struct ipc64_perm msg_perm;
  16         __kernel_time_t msg_stime;      /* last msgsnd time */
  17 #ifndef __s390x__
  18         unsigned long   __unused1;
  19 #endif /* ! __s390x__ */
  20         __kernel_time_t msg_rtime;      /* last msgrcv time */
  21 #ifndef __s390x__
  22         unsigned long   __unused2;
  23 #endif /* ! __s390x__ */
  24         __kernel_time_t msg_ctime;      /* last change time */
  25 #ifndef __s390x__
  26         unsigned long   __unused3;
  27 #endif /* ! __s390x__ */
  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  __unused4;
  34         unsigned long  __unused5;
  35 };
  36
  37 #endif /* _S390_MSGBUF_H */