NetBSD/sys/compat/linux/common/linux_msg.h

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/* $NetBSD: linux_msg.h,v 1.5 1998/10/04 00:02:37 fvdl Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz.
*
* 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 by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
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#ifndef _LINUX_MSG_H
#define _LINUX_MSG_H
#include <sys/msg.h>
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/*
* 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;
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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;
};
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/*
* 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
/* Pretend the sys_msgctl syscall is defined */
struct linux_sys_msgctl_args {
syscallarg(int) msqid;
syscallarg(int) cmd;
syscallarg(struct linux_msqid_ds *) buf;
};
#ifdef SYSVMSG
#ifdef _KERNEL
__BEGIN_DECLS
int linux_sys_msgctl __P((struct proc *, void *, register_t *));
void linux_to_bsd_msqid_ds __P((struct linux_msqid_ds *,
struct msqid_ds *));
void bsd_to_linux_msqid_ds __P((struct msqid_ds *,
struct linux_msqid_ds *));
__END_DECLS
#endif /* !_KERNEL */
#endif /* !SYSVMSG */
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#endif /* !_LINUX_MSG_H */