/
kprintf.h
66 lines (59 loc) · 2.87 KB
/
kprintf.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/* $NetBSD: kprintf.h,v 1.9.6.1 2009/01/17 13:29:40 mjf Exp $ */
/*-
* Copyright (c) 1986, 1988, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_KPRINTF_H_
#define _SYS_KPRINTF_H_
/*
* Implementation internals of the kernel printf. Exposing them here
* allows other subsystems to implement precisely the printf semantics
* they need.
*/
/* max size buffer kprintf needs to print quad_t [size in base 8 + \0] */
#define KPRINTF_BUFSIZE (sizeof(quad_t) * NBBY / 3 + 2)
/* flags for kprintf */
#define TOCONS 0x0001 /* to the console */
#define TOTTY 0x0002 /* to the process' tty */
#define TOLOG 0x0004 /* to the kernel message buffer */
#define TOBUFONLY 0x0008 /* to the buffer (only) [for snprintf] */
#define TODDB 0x0010 /* to ddb console */
#define NOLOCK 0x1000 /* don't acquire a tty lock */
void kprintf_init(void);
void kprintf_lock(void);
void kprintf_unlock(void);
/*
* NOTE: the kprintf mutex must be held when these functions are called!
*/
int kprintf(const char *, int, void *, char *, _BSD_VA_LIST_);
void klogpri(int);
#endif /* _SYS_KPRINTF_H_ */