1 /* $NetBSD: linux_msg.h,v 1.10 2008/04/28 20:23:43 martin 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 #define LINUX_MSG_NOERROR 0x1000 58 #define LINUX_MSG_EXCEPT 0x2000 59 60 /* 61 * The notorious anonymous message structure. 62 */ 63 struct linux_mymsg { 64 long l_mtype; 65 char l_mtext[1]; 66 }; 67 68 /* 69 * This kludge is used for the 6th argument to the msgrcv system 70 * call, to get around the maximum of 5 arguments to a syscall in Linux. 71 */ 72 struct linux_msgrcv_msgarg { 73 struct linux_mymsg *msg; 74 int type; 75 }; 76 /* 77 * For msgctl calls. 78 */ 79 struct linux_msginfo { 80 int l_msgpool; 81 int l_msgmap; 82 int l_msgmax; 83 int l_msgmnb; 84 int l_msgmni; 85 int l_msgssz; 86 int l_msgtql; 87 ushort l_msgseg; 88 }; 89 90 #define LINUX_MSG_STAT 11 91 #define LINUX_MSG_INFO 12 92 93 /* Pretend the sys_msgctl syscall is defined */ 94 struct linux_sys_msgctl_args { 95 syscallarg(int) msqid; 96 syscallarg(int) cmd; 97 syscallarg(struct linux_msqid_ds *) buf; 98 }; 99 100 101 #ifdef SYSVMSG 102 #ifdef _KERNEL 103 __BEGIN_DECLS 104 int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *); 105 void linux_to_bsd_msqid_ds(struct linux_msqid_ds *, 106 struct msqid_ds *); 107 void bsd_to_linux_msqid_ds(struct msqid_ds *, 108 struct linux_msqid_ds *); 109 __END_DECLS 110 #endif /* !_KERNEL */ 111 #endif /* !SYSVMSG */ 112 113 #endif /* !_LINUX_MSG_H */ 114