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

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _PARISC_MSGBUF_H
   3 #define _PARISC_MSGBUF_H
   4
   5 #include <asm/bitsperlong.h>
   6
   7 /*
   8  * The msqid64_ds structure for parisc architecture, copied from sparc.
   9  * Note extra padding because this structure is passed back and forth
  10  * between kernel and user space.
  11  *
  12  * Pad space is left for:
  13  * - 64-bit time_t to solve y2038 problem
  14  * - 2 miscellaneous 32-bit values
  15  */
  16
  17 struct msqid64_ds {
  18         struct ipc64_perm msg_perm;
  19 #if __BITS_PER_LONG != 64
  20         unsigned int   __pad1;
  21 #endif
  22         __kernel_time_t msg_stime;      /* last msgsnd time */
  23 #if __BITS_PER_LONG != 64
  24         unsigned int   __pad2;
  25 #endif
  26         __kernel_time_t msg_rtime;      /* last msgrcv time */
  27 #if __BITS_PER_LONG != 64
  28         unsigned int   __pad3;
  29 #endif
  30         __kernel_time_t msg_ctime;      /* last change time */
  31         unsigned long msg_cbytes;       /* current number of bytes on queue */
  32         unsigned long msg_qnum;         /* number of messages in queue */
  33         unsigned long msg_qbytes;       /* max number of bytes on queue */
  34         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  35         __kernel_pid_t msg_lrpid;       /* last receive pid */
  36         unsigned long __unused1;
  37         unsigned long __unused2;
  38 };
  39
  40 #endif /* _PARISC_MSGBUF_H */