| 1 |
2 |
drasko |
/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
|
| 2 |
|
|
This file is part of the GNU C Library.
|
| 3 |
|
|
|
| 4 |
|
|
The GNU C Library is free software; you can redistribute it and/or
|
| 5 |
|
|
modify it under the terms of the GNU Lesser General Public
|
| 6 |
|
|
License as published by the Free Software Foundation; either
|
| 7 |
|
|
version 2.1 of the License, or (at your option) any later version.
|
| 8 |
|
|
|
| 9 |
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
| 10 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 11 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 12 |
|
|
Lesser General Public License for more details.
|
| 13 |
|
|
|
| 14 |
|
|
You should have received a copy of the GNU Lesser General Public
|
| 15 |
|
|
License along with the GNU C Library; if not, write to the Free
|
| 16 |
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
| 17 |
|
|
02111-1307 USA. */
|
| 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.h>
|
| 24 |
|
|
|
| 25 |
|
|
/* Define options for message queue functions. */
|
| 26 |
|
|
#define MSG_NOERROR 010000 /* no error if message is too big */
|
| 27 |
|
|
#ifdef __USE_GNU
|
| 28 |
|
|
# define MSG_EXCEPT 020000 /* recv any msg except of specified type */
|
| 29 |
|
|
#endif
|
| 30 |
|
|
|
| 31 |
|
|
/* Types used in the structure definition. */
|
| 32 |
|
|
typedef unsigned long int msgqnum_t;
|
| 33 |
|
|
typedef unsigned long int msglen_t;
|
| 34 |
|
|
|
| 35 |
|
|
|
| 36 |
|
|
/* Structure of record for one message inside the kernel.
|
| 37 |
|
|
The type `struct msg' is opaque. */
|
| 38 |
|
|
struct msqid_ds
|
| 39 |
|
|
{
|
| 40 |
|
|
struct ipc_perm msg_perm; /* structure describing operation permission */
|
| 41 |
|
|
__time_t msg_stime; /* time of last msgsnd command */
|
| 42 |
|
|
unsigned long int __unused1;
|
| 43 |
|
|
__time_t msg_rtime; /* time of last msgrcv command */
|
| 44 |
|
|
unsigned long int __unused2;
|
| 45 |
|
|
__time_t msg_ctime; /* time of last change */
|
| 46 |
|
|
unsigned long int __unused3;
|
| 47 |
|
|
unsigned long int __msg_cbytes; /* current number of bytes on queue */
|
| 48 |
|
|
msgqnum_t msg_qnum; /* number of messages currently on queue */
|
| 49 |
|
|
msglen_t msg_qbytes; /* max number of bytes allowed on queue */
|
| 50 |
|
|
__pid_t msg_lspid; /* pid of last msgsnd() */
|
| 51 |
|
|
__pid_t msg_lrpid; /* pid of last msgrcv() */
|
| 52 |
|
|
unsigned long int __unused4;
|
| 53 |
|
|
unsigned long int __unused5;
|
| 54 |
|
|
};
|
| 55 |
|
|
|
| 56 |
|
|
#ifdef __USE_MISC
|
| 57 |
|
|
|
| 58 |
|
|
# define msg_cbytes __msg_cbytes
|
| 59 |
|
|
|
| 60 |
|
|
/* ipcs ctl commands */
|
| 61 |
|
|
# define MSG_STAT 11
|
| 62 |
|
|
# define MSG_INFO 12
|
| 63 |
|
|
|
| 64 |
|
|
/* buffer for msgctl calls IPC_INFO, MSG_INFO */
|
| 65 |
|
|
struct msginfo
|
| 66 |
|
|
{
|
| 67 |
|
|
int msgpool;
|
| 68 |
|
|
int msgmap;
|
| 69 |
|
|
int msgmax;
|
| 70 |
|
|
int msgmnb;
|
| 71 |
|
|
int msgmni;
|
| 72 |
|
|
int msgssz;
|
| 73 |
|
|
int msgtql;
|
| 74 |
|
|
unsigned short int msgseg;
|
| 75 |
|
|
};
|
| 76 |
|
|
|
| 77 |
|
|
#endif /* __USE_MISC */
|
