121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/* $NetBSD: linux_msg.h,v 1.5 1998/10/04 00:02:37 fvdl Exp $ */
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/*-
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* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Frank van der Linden and Eric Haszlakiewicz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_MSG_H
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#define _LINUX_MSG_H
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#include <sys/msg.h>
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/*
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* msq_id_ds structure. Mostly the same fields, except for some internal
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* ones.
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*/
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struct linux_msqid_ds {
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struct linux_ipc_perm l_msg_perm;
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void *l_msg_first;
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void *l_msg_last;
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linux_time_t l_msg_stime;
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linux_time_t l_msg_rtime;
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linux_time_t l_msg_ctime;
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void *l_wwait; /* Linux internal */
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void *l_rwait; /* Linux internal */
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ushort l_msg_cbytes;
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ushort l_msg_qnum;
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ushort l_msg_qbytes;
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ushort l_msg_lspid;
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ushort l_msg_lrpid;
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};
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#define LINUX_MSG_NOERROR 0x1000
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#define LINUX_MSG_EXCEPT 0x2000
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/*
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* The notorious anonymous message structure.
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*/
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struct linux_mymsg {
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long l_mtype;
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char l_mtext[1];
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};
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/*
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* This kludge is used for the 6th argument to the msgrcv system
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* call, to get around the maximum of 5 arguments to a syscall in Linux.
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*/
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struct linux_msgrcv_msgarg {
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struct linux_mymsg *msg;
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int type;
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};
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/*
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* For msgctl calls.
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*/
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struct linux_msginfo {
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int l_msgpool;
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int l_msgmap;
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int l_msgmax;
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int l_msgmnb;
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int l_msgmni;
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int l_msgssz;
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int l_msgtql;
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ushort l_msgseg;
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};
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#define LINUX_MSG_STAT 11
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#define LINUX_MSG_INFO 12
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/* Pretend the sys_msgctl syscall is defined */
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struct linux_sys_msgctl_args {
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syscallarg(int) msqid;
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syscallarg(int) cmd;
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syscallarg(struct linux_msqid_ds *) buf;
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};
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#ifdef SYSVMSG
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#ifdef _KERNEL
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__BEGIN_DECLS
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int linux_sys_msgctl __P((struct proc *, void *, register_t *));
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void linux_to_bsd_msqid_ds __P((struct linux_msqid_ds *,
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struct msqid_ds *));
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void bsd_to_linux_msqid_ds __P((struct msqid_ds *,
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struct linux_msqid_ds *));
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !SYSVMSG */
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#endif /* !_LINUX_MSG_H */
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