69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
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/* $NetBSD: kprintf.h,v 1.11 2011/07/17 20:54:54 joerg Exp $ */
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/*-
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* Copyright (c) 1986, 1988, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_KPRINTF_H_
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#define _SYS_KPRINTF_H_
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#include <sys/stdarg.h>
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/*
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* Implementation internals of the kernel printf. Exposing them here
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* allows other subsystems to implement precisely the printf semantics
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* they need.
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*/
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/* max size buffer kprintf needs to print quad_t [size in base 8 + \0] */
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#define KPRINTF_BUFSIZE (sizeof(quad_t) * NBBY / 3 + 2)
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/* flags for kprintf */
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#define TOCONS 0x0001 /* to the console */
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#define TOTTY 0x0002 /* to the process' tty */
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#define TOLOG 0x0004 /* to the kernel message buffer */
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#define TOBUFONLY 0x0008 /* to the buffer (only) [for snprintf] */
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#define TODDB 0x0010 /* to ddb console */
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#define NOLOCK 0x1000 /* don't acquire a tty lock */
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void kprintf_init(void);
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void kprintf_lock(void);
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void kprintf_unlock(void);
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/*
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* NOTE: the kprintf mutex must be held when these functions are called!
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*/
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int kprintf(const char *, int, void *, char *, va_list);
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void klogpri(int);
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#endif /* _SYS_KPRINTF_H_ */
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