1 | /* $NetBSD: kprintf.h,v 1.12 2014/08/10 16:44:36 tls Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1986, 1988, 1991, 1993 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * (c) UNIX System Laboratories, Inc. |
7 | * All or some portions of this file are derived from material licensed |
8 | * to the University of California by American Telephone and Telegraph |
9 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
10 | * the permission of UNIX System Laboratories, Inc. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * 3. Neither the name of the University nor the names of its contributors |
21 | * may be used to endorse or promote products derived from this software |
22 | * without specific prior written permission. |
23 | * |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
34 | * SUCH DAMAGE. |
35 | */ |
36 | |
37 | #ifndef _SYS_KPRINTF_H_ |
38 | #define _SYS_KPRINTF_H_ |
39 | |
40 | #include <sys/stdarg.h> |
41 | |
42 | /* |
43 | * Implementation internals of the kernel printf. Exposing them here |
44 | * allows other subsystems to implement precisely the printf semantics |
45 | * they need. |
46 | */ |
47 | |
48 | /* max size buffer kprintf needs to print quad_t [size in base 8 + \0] */ |
49 | #define KPRINTF_BUFSIZE (sizeof(quad_t) * NBBY / 3 + 2) |
50 | |
51 | /* flags for kprintf */ |
52 | #define TOCONS 0x0001 /* to the console */ |
53 | #define TOTTY 0x0002 /* to the process' tty */ |
54 | #define TOLOG 0x0004 /* to the kernel message buffer */ |
55 | #define TOBUFONLY 0x0008 /* to the buffer (only) [for snprintf] */ |
56 | #define TODDB 0x0010 /* to ddb console */ |
57 | #define NOLOCK 0x1000 /* don't acquire a tty lock */ |
58 | |
59 | void kprintf_init(void); |
60 | void kprintf_init_callout(void); |
61 | void kprintf_lock(void); |
62 | void kprintf_unlock(void); |
63 | /* |
64 | * NOTE: the kprintf mutex must be held when these functions are called! |
65 | */ |
66 | int kprintf(const char *, int, void *, char *, va_list); |
67 | void klogpri(int); |
68 | |
69 | #endif /* _SYS_KPRINTF_H_ */ |
70 | |