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linux_msg.h revision 1.10 
      1  1.10    martin /*	$NetBSD: linux_msg.h,v 1.10 2008/04/28 20:23:43 martin Exp $	*/
      2   1.3       erh 
      3   1.3       erh /*-
      4   1.5      fvdl  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5   1.3       erh  * All rights reserved.
      6   1.3       erh  *
      7   1.3       erh  * This code is derived from software contributed to The NetBSD Foundation
      8   1.5      fvdl  * by Frank van der Linden and Eric Haszlakiewicz.
      9   1.3       erh  *
     10   1.3       erh  * Redistribution and use in source and binary forms, with or without
     11   1.3       erh  * modification, are permitted provided that the following conditions
     12   1.3       erh  * are met:
     13   1.3       erh  * 1. Redistributions of source code must retain the above copyright
     14   1.3       erh  *    notice, this list of conditions and the following disclaimer.
     15   1.3       erh  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.3       erh  *    notice, this list of conditions and the following disclaimer in the
     17   1.3       erh  *    documentation and/or other materials provided with the distribution.
     18   1.3       erh  *
     19   1.3       erh  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20   1.3       erh  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21   1.3       erh  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22   1.3       erh  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23   1.3       erh  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24   1.3       erh  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25   1.3       erh  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26   1.3       erh  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27   1.3       erh  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28   1.3       erh  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29   1.3       erh  * POSSIBILITY OF SUCH DAMAGE.
     30   1.1      fvdl  */
     31   1.1      fvdl 
     32   1.4  christos #ifndef _LINUX_MSG_H
     33   1.4  christos #define _LINUX_MSG_H
     34   1.3       erh 
     35   1.3       erh #include <sys/msg.h>
     36   1.1      fvdl 
     37   1.1      fvdl /*
     38   1.1      fvdl  * msq_id_ds structure. Mostly the same fields, except for some internal
     39   1.1      fvdl  * ones.
     40   1.1      fvdl  */
     41   1.1      fvdl struct linux_msqid_ds {
     42   1.1      fvdl 	struct linux_ipc_perm	l_msg_perm;
     43   1.2      fvdl 	void			*l_msg_first;
     44   1.2      fvdl 	void			*l_msg_last;
     45   1.1      fvdl 	linux_time_t		l_msg_stime;
     46   1.1      fvdl 	linux_time_t		l_msg_rtime;
     47   1.1      fvdl 	linux_time_t		l_msg_ctime;
     48   1.1      fvdl 	void			*l_wwait;	/* Linux internal */
     49   1.1      fvdl 	void			*l_rwait;	/* Linux internal */
     50   1.1      fvdl 	ushort			l_msg_cbytes;
     51   1.1      fvdl 	ushort			l_msg_qnum;
     52   1.1      fvdl 	ushort			l_msg_qbytes;
     53   1.1      fvdl 	ushort			l_msg_lspid;
     54   1.1      fvdl 	ushort			l_msg_lrpid;
     55   1.1      fvdl };
     56   1.1      fvdl 
     57   1.1      fvdl #define LINUX_MSG_NOERROR	0x1000
     58   1.1      fvdl #define LINUX_MSG_EXCEPT	0x2000
     59   1.1      fvdl 
     60   1.1      fvdl /*
     61   1.1      fvdl  * The notorious anonymous message structure.
     62   1.1      fvdl  */
     63   1.1      fvdl struct linux_mymsg {
     64   1.1      fvdl 	long	l_mtype;
     65   1.1      fvdl 	char	l_mtext[1];
     66   1.1      fvdl };
     67   1.1      fvdl 
     68   1.2      fvdl /*
     69   1.2      fvdl  * This kludge is used for the 6th argument to the msgrcv system
     70   1.2      fvdl  * call, to get around the maximum of 5 arguments to a syscall in Linux.
     71   1.2      fvdl  */
     72   1.2      fvdl struct linux_msgrcv_msgarg {
     73   1.2      fvdl 	struct linux_mymsg *msg;
     74   1.2      fvdl 	int type;
     75   1.2      fvdl };
     76   1.1      fvdl /*
     77   1.1      fvdl  * For msgctl calls.
     78   1.1      fvdl  */
     79   1.1      fvdl struct linux_msginfo {
     80   1.1      fvdl 	int	l_msgpool;
     81   1.1      fvdl 	int	l_msgmap;
     82   1.1      fvdl 	int	l_msgmax;
     83   1.1      fvdl 	int	l_msgmnb;
     84   1.1      fvdl 	int	l_msgmni;
     85   1.1      fvdl 	int	l_msgssz;
     86   1.1      fvdl 	int	l_msgtql;
     87   1.1      fvdl 	ushort	l_msgseg;
     88   1.1      fvdl };
     89   1.1      fvdl 
     90   1.1      fvdl #define LINUX_MSG_STAT	11
     91   1.1      fvdl #define LINUX_MSG_INFO	12
     92   1.1      fvdl 
     93   1.3       erh /* Pretend the sys_msgctl syscall is defined */
     94   1.3       erh struct linux_sys_msgctl_args {
     95   1.3       erh 	syscallarg(int) msqid;
     96   1.3       erh 	syscallarg(int) cmd;
     97   1.3       erh 	syscallarg(struct linux_msqid_ds *) buf;
     98   1.3       erh };
     99   1.3       erh 
    100   1.3       erh 
    101   1.3       erh #ifdef SYSVMSG
    102   1.3       erh #ifdef _KERNEL
    103   1.3       erh __BEGIN_DECLS
    104   1.9       dsl int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *);
    105   1.8       dsl void linux_to_bsd_msqid_ds(struct linux_msqid_ds *,
    106   1.8       dsl 				       struct msqid_ds *);
    107   1.8       dsl void bsd_to_linux_msqid_ds(struct msqid_ds *,
    108   1.8       dsl 				       struct linux_msqid_ds *);
    109   1.3       erh __END_DECLS
    110   1.3       erh #endif	/* !_KERNEL */
    111   1.3       erh #endif	/* !SYSVMSG */
    112   1.3       erh 
    113   1.4  christos #endif /* !_LINUX_MSG_H */
    114