/* Generic implementation of the SysV message struct msqid_ds.
|
Copyright (C) 2020-2021 Free Software Foundation, Inc.
|
This file is part of the GNU C Library.
|
|
The GNU C Library is free software; you can redistribute it and/or
|
modify it under the terms of the GNU Lesser General Public
|
License as published by the Free Software Foundation; either
|
version 2.1 of the License, or (at your option) any later version.
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
Lesser General Public License for more details.
|
|
You should have received a copy of the GNU Lesser General Public
|
License along with the GNU C Library; if not, see
|
<https://www.gnu.org/licenses/>. */
|
|
#ifndef _SYS_MSG_H
|
# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
|
#endif
|
|
/* Structure of record for one message inside the kernel.
|
The type `struct msg' is opaque. */
|
struct msqid_ds
|
{
|
struct ipc_perm msg_perm; /* structure describing operation permission */
|
#if __TIMESIZE == 32
|
__time_t msg_stime; /* time of last msgsnd command */
|
unsigned long int __msg_stime_high;
|
__time_t msg_rtime; /* time of last msgsnd command */
|
unsigned long int __msg_rtime_high;
|
__time_t msg_ctime; /* time of last change */
|
unsigned long int __msg_ctime_high;
|
#else
|
__time_t msg_stime; /* time of last msgsnd command */
|
__time_t msg_rtime; /* time of last msgsnd command */
|
__time_t msg_ctime; /* time of last change */
|
#endif
|
__syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */
|
msgqnum_t msg_qnum; /* number of messages currently on queue */
|
msglen_t msg_qbytes; /* max number of bytes allowed on queue */
|
__pid_t msg_lspid; /* pid of last msgsnd() */
|
__pid_t msg_lrpid; /* pid of last msgrcv() */
|
__syscall_ulong_t __glibc_reserved4;
|
__syscall_ulong_t __glibc_reserved5;
|
};
|
