81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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/**
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* @file bh_log.h
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* @date Tue Nov 8 18:19:10 2011
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*
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* @brief This log system supports wrapping multiple outputs into one
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* log message. This is useful for outputting variable-length logs
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* without additional memory overhead (the buffer for concatenating
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* the message), e.g. exception stack trace, which cannot be printed
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* by a single log calling without the help of an additional buffer.
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* Avoiding additional memory buffer is useful for resource-constraint
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* systems. It can minimize the impact of log system on applications
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* and logs can be printed even when no enough memory is available.
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* Functions with prefix "_" are private functions. Only macros that
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* are not start with "_" are exposed and can be used.
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*/
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#ifndef _BH_LOG_H
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#define _BH_LOG_H
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#include "bh_platform.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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BH_LOG_LEVEL_FATAL = 0,
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BH_LOG_LEVEL_ERROR = 1,
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BH_LOG_LEVEL_WARNING = 2,
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BH_LOG_LEVEL_DEBUG = 3,
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BH_LOG_LEVEL_VERBOSE = 4
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} LogLevel;
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void
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bh_log_set_verbose_level(uint32 level);
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void
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bh_log(LogLevel log_level, const char *file, int line, const char *fmt, ...);
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#ifdef BH_PLATFORM_NUTTX
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#undef LOG_FATAL
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#undef LOG_ERROR
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#undef LOG_WARNING
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#undef LOG_VERBOSE
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#undef LOG_DEBUG
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#endif
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#if BH_DEBUG != 0
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#define LOG_FATAL(...) \
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bh_log(BH_LOG_LEVEL_FATAL, __FILE__, __LINE__, __VA_ARGS__)
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#else
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#define LOG_FATAL(...) \
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bh_log(BH_LOG_LEVEL_FATAL, __FUNCTION__, __LINE__, __VA_ARGS__)
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#endif
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#define LOG_ERROR(...) bh_log(BH_LOG_LEVEL_ERROR, NULL, 0, __VA_ARGS__)
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#define LOG_WARNING(...) bh_log(BH_LOG_LEVEL_WARNING, NULL, 0, __VA_ARGS__)
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#define LOG_VERBOSE(...) bh_log(BH_LOG_LEVEL_VERBOSE, NULL, 0, __VA_ARGS__)
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#if BH_DEBUG != 0
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#define LOG_DEBUG(...) \
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bh_log(BH_LOG_LEVEL_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
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#else
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#define LOG_DEBUG(...) (void)0
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#endif
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void
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bh_print_time(const char *prompt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BH_LOG_H */
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