1 /* $NetBSD: linux_msg.h,v 1.11 2008/05/21 11:15:57 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 */ 41 struct 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 57 struct linux_msqid64_ds { 58 struct linux_ipc64_perm l_msg_perm; 59 linux_time_t l_msg_stime; 60 linux_time_t l_msg_rtime; 61 linux_time_t l_msg_ctime; 62 ulong l_msg_cbytes; 63 ulong l_msg_qnum; 64 ulong l_msg_qbytes; 65 int l_msg_lspid; 66 int l_msg_lrpid; 67 ulong l___unused4; 68 ulong l___unused5; 69 70 }; 71 72 #define LINUX_MSG_NOERROR 0x1000 73 #define LINUX_MSG_EXCEPT 0x2000 74 75 /* 76 * The notorious anonymous message structure. 77 */ 78 struct linux_mymsg { 79 long l_mtype; 80 char l_mtext[1]; 81 }; 82 83 /* 84 * This kludge is used for the 6th argument to the msgrcv system 85 * call, to get around the maximum of 5 arguments to a syscall in Linux. 86 */ 87 struct linux_msgrcv_msgarg { 88 struct linux_mymsg *msg; 89 int type; 90 }; 91 /* 92 * For msgctl calls. 93 */ 94 struct linux_msginfo { 95 int l_msgpool; 96 int l_msgmap; 97 int l_msgmax; 98 int l_msgmnb; 99 int l_msgmni; 100 int l_msgssz; 101 int l_msgtql; 102 ushort l_msgseg; 103 }; 104 105 #define LINUX_MSG_STAT 11 106 #define LINUX_MSG_INFO 12 107 108 /* Pretend the sys_msgctl syscall is defined */ 109 struct linux_sys_msgctl_args { 110 syscallarg(int) msqid; 111 syscallarg(int) cmd; 112 syscallarg(struct linux_msqid_ds *) buf; 113 }; 114 115 116 #ifdef SYSVMSG 117 #ifdef _KERNEL 118 __BEGIN_DECLS 119 int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *); 120 void linux_to_bsd_msqid_ds(struct linux_msqid_ds *, struct msqid_ds *); 121 void linux_to_bsd_msqid64_ds(struct linux_msqid64_ds *, struct msqid_ds *); 122 void bsd_to_linux_msqid_ds(struct msqid_ds *, struct linux_msqid_ds *); 123 void bsd_to_linux_msqid64_ds(struct msqid_ds *, struct linux_msqid64_ds *); 124 __END_DECLS 125 #endif /* !_KERNEL */ 126 #endif /* !SYSVMSG */ 127 128 #endif /* !_LINUX_MSG_H */ 129