LXR linux/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
  17struct 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 */
  41