| 1 | /* $NetBSD: linux_msg.h,v 1.13 2009/11/18 15:19:24 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 | #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 | */ |
| 87 | struct 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 | */ |
| 96 | struct linux_msgrcv_msgarg { |
| 97 | struct linux_mymsg *msg; |
| 98 | long type; |
| 99 | }; |
| 100 | /* |
| 101 | * For msgctl calls. |
| 102 | */ |
| 103 | struct 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 */ |
| 118 | struct 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 |
| 128 | int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *); |
| 129 | void linux_to_bsd_msqid_ds(struct linux_msqid_ds *, struct msqid_ds *); |
| 130 | void linux_to_bsd_msqid64_ds(struct linux_msqid64_ds *, struct msqid_ds *); |
| 131 | void bsd_to_linux_msqid_ds(struct msqid_ds *, struct linux_msqid_ds *); |
| 132 | void 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 | |