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/* Copyright (c) 2017-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file debug.h
* \brief Macros for debugging our event-trace support.
**/
#ifndef TOR_TRACE_LOG_DEBUG_H
#define TOR_TRACE_LOG_DEBUG_H
#include "lib/log/log.h"
/* Stringify pre-processor trick. */
#define XSTR(d) STR(d)
#define STR(s) #s
/* Send every event to a debug log level. This is useful to debug new trace
* events without implementing them for a specific event tracing framework.
* Note that the arguments are ignored since at this step we do not know the
* types and amount there is. */
/* Example on how to map a tracepoint to log_debug(). */
#undef tor_trace
#define tor_trace(subsystem, name, args...) \
log_debug(LD_GENERAL, "Trace event \"" XSTR(name) "\" from " \
"\"" XSTR(subsystem) "\" hit. " \
"(line "XSTR(__LINE__) ")")
#endif /* !defined(TOR_TRACE_LOG_DEBUG_H) */
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