Home | History | Annotate | Line # | Download | only in common
linux_msg.h revision 1.9.10.1
      1  1.9.10.1      yamt /*	$NetBSD: linux_msg.h,v 1.9.10.1 2008/05/16 02:23:42 yamt 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