/* Copyright (C) 2002 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#ifndef _SYS_MSG_H# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."#endif#include <bits/types.h>#include <bits/wordsize.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 long int msgqnum_t;typedef unsigned long 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 */#if (__WORDSIZE == 32) && !defined(__MIPSEL__)	unsigned long	__unused1;#endif  __time_t msg_stime;		/* time of last msgsnd command */#if (__WORDSIZE == 32) && defined(__MIPSEL__)	unsigned long	__unused1;#endif#if (__WORDSIZE == 32) && !defined(__MIPSEL__)	unsigned long	__unused2;#endif  __time_t msg_rtime;		/* time of last msgrcv command */#if (__WORDSIZE == 32) && defined(__MIPSEL__)	unsigned long	__unused2;#endif#if (__WORDSIZE == 32) && !defined(__MIPSEL__)	unsigned long	__unused3;#endif  __time_t msg_ctime;		/* time of last change */#if (__WORDSIZE == 32) && defined(__MIPSEL__)	unsigned long	__unused3;#endif  unsigned long 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 */  __pid_t msg_lspid;		/* pid of last msgsnd() */  __pid_t msg_lrpid;		/* pid of last msgrcv() */  unsigned long int __unused4;  unsigned long int __unused5;};#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 */