arch/s390/include/uapi/asm/msgbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _S390_MSGBUF_H
   3 #define _S390_MSGBUF_H
   4
   5 /*
   6  * The msqid64_ds structure for S/390 architecture.
   7  * Note extra padding because this structure is passed back and forth
   8  * between kernel and user space.
   9  *
  10  * Pad space is left for:
  11  * - 64-bit time_t to solve y2038 problem
  12  * - 2 miscellaneous 32-bit values
  13  */
  14
  15 struct msqid64_ds {
  16         struct ipc64_perm msg_perm;
  17         __kernel_time_t msg_stime;      /* last msgsnd time */
  18 #ifndef __s390x__
  19         unsigned long   __unused1;
  20 #endif /* ! __s390x__ */
  21         __kernel_time_t msg_rtime;      /* last msgrcv time */
  22 #ifndef __s390x__
  23         unsigned long   __unused2;
  24 #endif /* ! __s390x__ */
  25         __kernel_time_t msg_ctime;      /* last change time */
  26 #ifndef __s390x__
  27         unsigned long   __unused3;
  28 #endif /* ! __s390x__ */
  29         unsigned long  msg_cbytes;      /* current number of bytes on queue */
  30         unsigned long  msg_qnum;        /* number of messages in queue */
  31         unsigned long  msg_qbytes;      /* max number of bytes on queue */
  32         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  33         __kernel_pid_t msg_lrpid;       /* last receive pid */
  34         unsigned long  __unused4;
  35         unsigned long  __unused5;
  36 };
  37
  38 #endif /* _S390_MSGBUF_H */