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