/* * 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 /** @} */