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132 lines
4.3 KiB
132 lines
4.3 KiB
/*
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* Copyright (C) 2003 Stefan Westerfeld
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*
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* This code is based on code from the KDE Libraries
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* Copyright (C) 2000 Timo Hummel <timo.hummel@sap.com>
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* Tom Braun <braunt@fh-konstanz.de>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __ARTS_CRASHHANDLER_H
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#define __ARTS_CRASHHANDLER_H
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#include <string>
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namespace Arts {
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/**
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* This class handles segmentation-faults.
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* By default it displays a message-box saying the application crashed.
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* This default can be overridden by setting a custom crash handler with
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* setCrashHandler().
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*/
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class CrashHandler
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{
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private: // ;o)
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static const char *appName;
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static const char *appPath;
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static const char *appVersion;
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static const char *programName;
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static const char *bugAddress;
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static const char *crashApp;
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public:
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/**
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* The default crash handler.
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* @param signal the signal number
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*/
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static void defaultCrashHandler (int signal);
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/**
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* This function type is a pointer to a crash handler function.
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* The function's argument is the number of the signal.
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*/
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typedef void (*HandlerType)(int);
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/**
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* Install a function to be called in case a SIGSEGV is caught.
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* @param handler HandlerType handler can be one of
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* @li null in which case signal-catching is disabled
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* (by calling signal(SIGSEGV, SIG_DFL))
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* @li if handler is omitted the default crash handler is installed.
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* @li an user defined function in the form:
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* static (if in a class) void myCrashHandler(int);
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* @param handler the crash handler
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*/
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static void setCrashHandler (HandlerType handler = defaultCrashHandler);
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/**
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* Returns the installed crash handler.
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* @return the crash handler
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*/
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static HandlerType crashHandler() { return _crashHandler; }
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/**
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* Sets the application @p path which should be passed to
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* Dr. Konqi, our nice crash display application.
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* @param path the application path.
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*/
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static void setApplicationPath (const std::string& path) { appPath = strdup(path.c_str()); }
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/**
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* Sets the application name @p name which should be passed to
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* Dr. Konqi, our nice crash display application.
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* @param name the name of the application, as shown in Dr. Konqi
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*/
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static void setApplicationName (const std::string& name) { appName = strdup(name.c_str()); }
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/**
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* Sets the application version @p name which should be passed to
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* Dr. Konqi, our nice crash display application.
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* @param name the name of the application, as shown in Dr. Konqi
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*/
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static void setApplicationVersion (const std::string& name) { appVersion = strdup(name.c_str()); }
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/**
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* Sets the program name @p name which should be passed to
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* Dr. Konqi, our nice crash display application.
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* @param name the name of the application, as shown in Dr. Konqi
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*/
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static void setProgramName (const std::string& name) { programName = strdup(name.c_str()); }
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/**
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* Sets the bug adress name @p name which should be passed to
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* Dr. Konqi, our nice crash display application.
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* @param name the name of the application, as shown in Dr. Konqi
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*/
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static void setBugAddress (const std::string& name) { bugAddress = strdup(name.c_str()); }
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/**
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* Sets the crash application @p app which will be called to
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* handle the crash. To use Dr. Konqi (KDE), pass "drkonqi" here.
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* @param app the name of the application that handles the crash
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*/
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static void setCrashApp (const std::string& app) { crashApp = strdup(app.c_str()); }
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protected:
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/**
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* Pointer to the crash handler.
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*/
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static HandlerType _crashHandler;
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};
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}
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#endif
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