1/* $NetBSD: linux_msg.h,v 1.12 2008/12/09 11:09:11 njoly Exp $ */ 2 3/*- 4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden and Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef _LINUX_MSG_H 33#define _LINUX_MSG_H 34 35#include <sys/msg.h> 36 37/* 38 * msq_id_ds structure. Mostly the same fields, except for some internal 39 * ones. 40 */ 41struct linux_msqid_ds { 42 struct linux_ipc_perm l_msg_perm; 43 void *l_msg_first; 44 void *l_msg_last; 45 linux_time_t l_msg_stime; 46 linux_time_t l_msg_rtime; 47 linux_time_t l_msg_ctime; 48 void *l_wwait; /* Linux internal */ 49 void *l_rwait; /* Linux internal */ 50 ushort l_msg_cbytes; 51 ushort l_msg_qnum; 52 ushort l_msg_qbytes; 53 ushort l_msg_lspid; 54 ushort l_msg_lrpid; 55}; 56 57struct linux_msqid64_ds { 58 struct linux_ipc64_perm l_msg_perm; 59 linux_time_t l_msg_stime; 60#ifndef _LP64 61 ulong l___unused1; 62#endif 63 linux_time_t l_msg_rtime; 64#ifndef _LP64 65 ulong l___unused2; 66#endif 67 linux_time_t l_msg_ctime; 68#ifndef _LP64 69 ulong l___unused3; 70#endif 71 ulong l_msg_cbytes; 72 ulong l_msg_qnum; 73 ulong l_msg_qbytes; 74 int l_msg_lspid; 75 int l_msg_lrpid; 76 ulong l___unused4; 77 ulong l___unused5; 78 79}; 80 81#define LINUX_MSG_NOERROR 0x1000 82#define LINUX_MSG_EXCEPT 0x2000 83 84/* 85 * The notorious anonymous message structure. 86 */ 87struct linux_mymsg { 88 long l_mtype; 89 char l_mtext[1]; 90}; 91 92/* 93 * This kludge is used for the 6th argument to the msgrcv system 94 * call, to get around the maximum of 5 arguments to a syscall in Linux. 95 */ 96struct linux_msgrcv_msgarg { 97 struct linux_mymsg *msg; 98 long type; 99}; 100/* 101 * For msgctl calls. 102 */ 103struct linux_msginfo { 104 int l_msgpool; 105 int l_msgmap; 106 int l_msgmax; 107 int l_msgmnb; 108 int l_msgmni; 109 int l_msgssz; 110 int l_msgtql; 111 ushort l_msgseg; 112}; 113 114#define LINUX_MSG_STAT 11 115#define LINUX_MSG_INFO 12 116 117/* Pretend the sys_msgctl syscall is defined */ 118struct linux_sys_msgctl_args { 119 syscallarg(int) msqid; 120 syscallarg(int) cmd; 121 syscallarg(struct linux_msqid_ds *) buf; 122}; 123 124 125#ifdef SYSVMSG 126#ifdef _KERNEL 127__BEGIN_DECLS 128int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *); 129void linux_to_bsd_msqid_ds(struct linux_msqid_ds *, struct msqid_ds *); 130void linux_to_bsd_msqid64_ds(struct linux_msqid64_ds *, struct msqid_ds *); 131void bsd_to_linux_msqid_ds(struct msqid_ds *, struct linux_msqid_ds *); 132void bsd_to_linux_msqid64_ds(struct msqid_ds *, struct linux_msqid64_ds *); 133__END_DECLS 134#endif /* !_KERNEL */ 135#endif /* !SYSVMSG */ 136 137#endif /* !_LINUX_MSG_H */ 138