text: /*	$NetBSD: linux_msg.h,v 1.2 1995/08/15 21:14:34 fvdl Exp $	*/
  
  /*
   * Copyright (c) 1995 Frank van der Linden
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *      This product includes software developed for the NetBSD Project
   *      by Frank van der Linden
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef _LINUX_MSG_H
  #define _LINUX_MSG_H
  
  /*
   * msq_id_ds structure. Mostly the same fields, except for some internal
   * ones.
   */
  struct linux_msqid_ds {
  	struct linux_ipc_perm	l_msg_perm;
  	void			*l_msg_first;
  	void			*l_msg_last;
  	linux_time_t		l_msg_stime;
  	linux_time_t		l_msg_rtime;
  	linux_time_t		l_msg_ctime;
  	void			*l_wwait;	/* Linux internal */
  	void			*l_rwait;	/* Linux internal */
  	ushort			l_msg_cbytes;
  	ushort			l_msg_qnum;
  	ushort			l_msg_qbytes;
  	ushort			l_msg_lspid;
  	ushort			l_msg_lrpid;
  };
  
  #define LINUX_MSG_NOERROR	0x1000
  #define LINUX_MSG_EXCEPT	0x2000
  
  /*
   * The notorious anonymous message structure.
   */
  struct linux_mymsg {
  	long	l_mtype;
  	char	l_mtext[1];
  };
  
  /*
   * This kludge is used for the 6th argument to the msgrcv system
   * call, to get around the maximum of 5 arguments to a syscall in Linux.
   */
  struct linux_msgrcv_msgarg {
  	struct linux_mymsg *msg;
  	int type;
  };
  /*
   * For msgctl calls.
   */
  struct linux_msginfo {
  	int	l_msgpool;
  	int	l_msgmap;
  	int	l_msgmax;
  	int	l_msgmnb;
  	int	l_msgmni;
  	int	l_msgssz;
  	int	l_msgtql;
  	ushort	l_msgseg;
  };
  
  #define LINUX_MSG_STAT	11
  #define LINUX_MSG_INFO	12
  
  #endif /* _LINUX_MSG_H */
  