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

   1 /* Linux/SPARC implementation of the SysV message struct msqid_ds.
   2    Copyright (C) 2020 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 /* Structure of record for one message inside the kernel.
  24    The type `struct msg' is opaque.  */
  25 struct msqid_ds
  26 {
  27   struct ipc_perm msg_perm;     /* structure describing operation permission */
  28 #if __TIMESIZE == 32
  29   unsigned long int __msg_stime_high;
  30   __time_t msg_stime;           /* time of last msgsnd command */
  31   unsigned long int __msg_rtime_high;
  32   __time_t msg_rtime;           /* time of last msgsnd command */
  33   unsigned long int __msg_ctime_high;
  34   __time_t msg_ctime;           /* time of last change */
  35 #else
  36   __time_t msg_stime;           /* time of last msgsnd command */
  37   __time_t msg_rtime;           /* time of last msgsnd command */
  38   __time_t msg_ctime;           /* time of last change */
  39 #endif
  40   __syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */
  41   msgqnum_t msg_qnum;           /* number of messages currently on queue */
  42   msglen_t msg_qbytes;          /* max number of bytes allowed on queue */
  43   __pid_t msg_lspid;            /* pid of last msgsnd() */
  44   __pid_t msg_lrpid;            /* pid of last msgrcv() */
  45   __syscall_ulong_t __glibc_reserved4;
  46   __syscall_ulong_t __glibc_reserved5;
  47 };