1 | /* |
2 | * Copyright (c) 2000-2010 Apple, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ |
29 | /* |
30 | * Copyright (c) 1981, 1984, 1993 |
31 | * The Regents of the University of California. All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: |
43 | * This product includes software developed by the University of |
44 | * California, Berkeley and its contributors. |
45 | * 4. Neither the name of the University nor the names of its contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
59 | * SUCH DAMAGE. |
60 | * |
61 | * @(#)msgbuf.h 8.1 (Berkeley) 6/2/93 |
62 | */ |
63 | #ifndef _SYS_MSGBUF_H_ |
64 | #define _SYS_MSGBUF_H_ |
65 | |
66 | #include <sys/cdefs.h> |
67 | |
68 | #define MAX_MSG_BSIZE (1*1024*1024) |
69 | struct msgbuf { |
70 | #define MSG_MAGIC 0x063061 |
71 | int msg_magic; |
72 | int msg_size; |
73 | int msg_bufx; /* write pointer */ |
74 | int msg_bufr; /* read pointer */ |
75 | char *msg_bufc; /* buffer */ |
76 | }; |
77 | |
78 | #ifdef XNU_KERNEL_PRIVATE |
79 | __BEGIN_DECLS |
80 | extern struct msgbuf *msgbufp; |
81 | extern struct msgbuf *aslbufp; |
82 | extern void log_putc(char); |
83 | extern void log_putc_locked(struct msgbuf *, char); |
84 | extern int log_dmesg(user_addr_t, uint32_t, int32_t *); |
85 | __END_DECLS |
86 | #endif /* XNU_KERNEL_PRIVATE */ |
87 | |
88 | #endif /* !_SYS_MSGBUF_H_ */ |
89 | |