Blame liblttng-ust/tracelog.c

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/*
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 * Copyright (C) 2013-2014  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 */
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#define _GNU_SOURCE
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#define _LGPL_SOURCE
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#include <stdio.h>
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#include <helper.h>
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#define TRACEPOINT_CREATE_PROBES
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#define TRACEPOINT_DEFINE
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#include "lttng-ust-tracelog-provider.h"
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#define TRACELOG_CB(level) \
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	void _lttng_ust_tracelog_##level(const char *file, \
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			int line, const char *func, \
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			const char *fmt, ...) \
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	{ \
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		va_list ap; \
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		char *msg; \
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		int len; \
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		\
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		va_start(ap, fmt); \
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		len = vasprintf(&msg, fmt, ap); \
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		/* len does not include the final \0 */ \
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		if (len < 0) \
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			goto end; \
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		__tracepoint_cb_lttng_ust_tracelog___##level(file, \
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			line, func, msg, len, \
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			LTTNG_UST_CALLER_IP()); \
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		free(msg); \
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	end: \
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		va_end(ap); \
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	}
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TRACELOG_CB(TRACE_EMERG)
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TRACELOG_CB(TRACE_ALERT)
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TRACELOG_CB(TRACE_CRIT)
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TRACELOG_CB(TRACE_ERR)
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TRACELOG_CB(TRACE_WARNING)
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TRACELOG_CB(TRACE_NOTICE)
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TRACELOG_CB(TRACE_INFO)
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TRACELOG_CB(TRACE_DEBUG_SYSTEM)
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TRACELOG_CB(TRACE_DEBUG_PROGRAM)
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TRACELOG_CB(TRACE_DEBUG_PROCESS)
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TRACELOG_CB(TRACE_DEBUG_MODULE)
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TRACELOG_CB(TRACE_DEBUG_UNIT)
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TRACELOG_CB(TRACE_DEBUG_FUNCTION)
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TRACELOG_CB(TRACE_DEBUG_LINE)
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TRACELOG_CB(TRACE_DEBUG)