sysdeps/unix/sysv/linux/hppa/bits/types/struct_msqid_ds.h

   1 /* Linux/HPPA implementation of the SysV message struct msqid_ds.
   2    Copyright (C) 2020-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_MSG_H
  20 # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
  21 #endif
  22
  23 #include <bits/types/time_t.h>
  24
  25 /* Structure of record for one message inside the kernel.
  26    The type `struct msg' is opaque.  */
  27 struct msqid_ds
  28 {
  29 #ifdef __USE_TIME_BITS64
  30 # include <bits/types/struct_msqid64_ds_helper.h>
  31 #else
  32   struct ipc_perm msg_perm;     /* structure describing operation permission */
  33 # if __TIMESIZE == 32
  34   unsigned long int __msg_stime_high;
  35   __time_t msg_stime;           /* time of last msgsnd command */
  36   unsigned long int __msg_rtime_high;
  37   __time_t msg_rtime;           /* time of last msgsnd command */
  38   unsigned long int __msg_ctime_high;
  39   __time_t msg_ctime;           /* time of last change */
  40 # else
  41   __time_t msg_stime;           /* time of last msgsnd command */
  42   __time_t msg_rtime;           /* time of last msgsnd command */
  43   __time_t msg_ctime;           /* time of last change */
  44 # endif
  45   __syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */
  46   msgqnum_t msg_qnum;           /* number of messages currently on queue */
  47   msglen_t msg_qbytes;          /* max number of bytes allowed on queue */
  48   __pid_t msg_lspid;            /* pid of last msgsnd() */
  49   __pid_t msg_lrpid;            /* pid of last msgrcv() */
  50   __syscall_ulong_t __glibc_reserved4;
  51   __syscall_ulong_t __glibc_reserved5;
  52 #endif
  53 };