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129 lines
4.3 KiB
C
129 lines
4.3 KiB
C
2 years ago
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/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SC_LOGGING_COMMON_H
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#define SC_LOGGING_COMMON_H
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#include <seiscomp/core.h>
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#define LOG_CONCAT2(A,B) A##B
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#define LOG_CONCAT(A,B) LOG_CONCAT2(A,B)
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#define LOG_STR(X) #X
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/*! @file common.h
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@brief Configuration macros for log.
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*/
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/*
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Defined by configure if our compiler allows us to specify printf attributes
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on a function pointer.. Newer versions of GCC allow this, but older ones
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do not..
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*/
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#define HAVE_PRINTF_FP 1
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/*
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Defined by configure if our compiler understands VARIADAC macros.
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*/
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#define C99_VARIADAC_MACROS 1
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#define PREC99_VARIADAC_MACROS 1
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#define SEISCOMP_TIME_TSC 1
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/*
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We use __printf__ attribute to allow gcc to inspect printf style arguments
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and give warnings if the rDebug(), rWarning(), etc macros are misused.
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We use __builtin_expect on GCC 2.96 and above to allow optimization of
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publication activation check. We tell the compiler that the branch is
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unlikely to occur, allowing GCC to push unecessary code out of the main
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path.
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*/
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#ifdef __GNUC__
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# define PRINTF(FMT,X) __attribute__ (( __format__ ( __printf__, FMT, X)))
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# define HAVE_PRINTF_ATTR 1
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//# define SEISCOMP_SECTION __attribute__ (( section("SEISCOMP_DATA") ))
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# define SEISCOMP_SECTION
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#if __GNUC__ >= 3
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# define expect(foo, bar) __builtin_expect((foo),bar)
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#else
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# define expect(foo, bar) (foo)
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#endif
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# define likely(x) __builtin_expect((x),1)
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# define unlikely(x) __builtin_expect((x),0)
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#else
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// Not using the gcc compiler, make the macros do nothing.. They are
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// documented as the last instance of the macros..
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/*! @def PRINTF(FMT,X)
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On GCC, this uses the compiler's __printf__ attribute to tell the compiler
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to treat certain arguments as printf formating options, which allows it to
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print warnings at compile time if the arguments do not match the format
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string.
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@internal
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*/
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# define PRINTF(FMT,X)
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# define HAVE_PRINTF_ATTR 0
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# define SEISCOMP_SECTION
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/*!
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*/
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# define likely(x) (x)
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/*! @def unlikely(x)
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Starting with GCC 2.96, we can tell the compiler that an if condition is
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likely or unlikely to occur, which allows the compiler to optimize for the
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normal case.
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@internal
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*/
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# define unlikely(x) (x)
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#endif
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#if HAVE_PRINTF_FP
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# define PRINTF_FP(FMT,X) PRINTF(FMT,X)
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#else
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# define PRINTF_FP(FMT,X)
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#endif
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/*! @def SEISCOMP_COMPONENT
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@brief Specifies build-time component, eg -DSEISCOMP_COMPONENT="component-name"
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Define SEISCOMP_COMPONENT as the name of the component being built.
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For example, as a compile flag, -DSEISCOMP_COMPONENT="component-name"
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If SEISCOMP_COMPONENT is not specified, then it will be defined as "[unknown]"
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*/
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#ifndef SEISCOMP_COMPONENT
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# warning SEISCOMP_COMPONENT not defined - setting to UNKNOWN
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#define SEISCOMP_COMPONENT "[unknown]"
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#endif // SEISCOMP_COMPONENT not defined
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// Use somewhat unique names (doesn't matter if they aren't as they are used in
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// a private context, so the compiler will make them unique if it must)
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#define _SCLOGID LOG_CONCAT(_rL_, __LINE__)
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#endif
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