mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* Copyright (C) 1995-2018 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _SYS_MSG_H
|
|
# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
|
|
#endif
|
|
|
|
#include <bits/types.h>
|
|
#include <bits/ipctypes.h>
|
|
|
|
/* Define options for message queue functions. */
|
|
#define MSG_NOERROR 010000 /* no error if message is too big */
|
|
#ifdef __USE_GNU
|
|
# define MSG_EXCEPT 020000 /* recv any msg except of specified type */
|
|
#endif
|
|
|
|
/* Types used in the structure definition. */
|
|
typedef unsigned short int msgqnum_t;
|
|
typedef unsigned short int msglen_t;
|
|
|
|
|
|
/* 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 */
|
|
struct msg *__msg_first; /* pointer to first message on queue */
|
|
struct msg *__msg_last; /* pointer to last message on queue */
|
|
__time_t msg_stime; /* time of last msgsnd command */
|
|
__time_t msg_rtime; /* time of last msgrcv command */
|
|
__time_t msg_ctime; /* time of last change */
|
|
struct wait_queue *__wwait; /* ??? */
|
|
struct wait_queue *__rwait; /* ??? */
|
|
unsigned short int __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 */
|
|
__ipc_pid_t msg_lspid; /* pid of last msgsnd() */
|
|
__ipc_pid_t msg_lrpid; /* pid of last msgrcv() */
|
|
};
|
|
|
|
#ifdef __USE_MISC
|
|
|
|
# define msg_cbytes __msg_cbytes
|
|
|
|
/* ipcs ctl commands */
|
|
# define MSG_STAT 11
|
|
# define MSG_INFO 12
|
|
|
|
/* buffer for msgctl calls IPC_INFO, MSG_INFO */
|
|
struct msginfo
|
|
{
|
|
int msgpool;
|
|
int msgmap;
|
|
int msgmax;
|
|
int msgmnb;
|
|
int msgmni;
|
|
int msgssz;
|
|
int msgtql;
|
|
unsigned short int msgseg;
|
|
};
|
|
|
|
#endif /* __USE_MISC */
|