/*
* Copyright (c) 2011 Vojtech Horky
* Copyright (c) 2011 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup libc
* @{
*/
#ifndef _LIBC_IO_LOG_H_
#define _LIBC_IO_LOG_H_
#include <stdarg.h>
#include <inttypes.h>
#include <io/verify.h>
#include <types/common.h>
#include <abi/log.h>
/** Log itself (logging target). */
typedef sysarg_t log_t;
/** Formatting directive for printing log_t. */
#define PRIlogctx PRIxn
/** Default log (target). */
#define LOG_DEFAULT ((log_t) -1)
/** Use when creating new top-level log. */
#define LOG_NO_PARENT ((log_t) 0)
extern const char *log_level_str(log_level_t);
extern errno_t log_level_from_str(const char *, log_level_t *);
extern errno_t log_init(const char *);
extern log_t log_create(const char *, log_t);
extern void log_msg(log_t, log_level_t, const char *, ...)
_HELENOS_PRINTF_ATTRIBUTE(3, 4);
extern void log_msgv(log_t, log_level_t, const char *, va_list);
#endif
/** @}
*/