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source: code/branches/kicklib/src/libraries/util/SignalHandler.h @ 8324

Last change on this file since 8324 was 8071, checked in by rgrieder, 14 years ago

Merged ois_update branch (before it was renamed to mac_osx) into kicklib branch.

  • Property svn:eol-style set to native
File size: 4.1 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Christoph Renner
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file
31    @ingroup Util
32    @brief Declaration of the SignalHandler class.
33*/
34
35#ifndef _SignalHandler_H__
36#define _SignalHandler_H__
37
38#include "UtilPrereqs.h"
39
40#include <cassert>
41#include <string>
42
43#include "Singleton.h"
44#include "SpecialConfig.h"
45
46#if defined(ORXONOX_PLATFORM_LINUX)
47
48#include <list>
49#include <signal.h>
50
51namespace orxonox
52{
53    typedef int (*SignalCallback)( void * someData );
54
55    struct SignalRec
56    {
57        int signal;
58        sig_t handler;
59    };
60
61    struct SignalCallbackRec
62    {
63        SignalCallback cb;
64        void * someData;
65    };
66
67
68    typedef std::list<SignalRec> SignalRecList;
69    typedef std::list<SignalCallbackRec> SignalCallbackList;
70
71    /// The SignalHandler is used to catch signals like SIGSEGV and write a backtrace to the logfile.
72    class _UtilExport SignalHandler : public Singleton<SignalHandler>
73    {
74        friend class Singleton<SignalHandler>;
75
76        public:
77            void registerCallback( SignalCallback cb, void * someData );
78
79            void doCatch( const std::string & appName, const std::string & filename );
80            void dontCatch();
81
82        private:
83            static void sigHandler( int sig );
84
85            void catchSignal( int sig );
86            SignalRecList sigRecList;
87
88            SignalCallbackList callbackList;
89
90            static SignalHandler* singletonPtr_s;
91
92            std::string appName;
93            std::string filename;
94    };
95}
96
97#elif defined(ORXONOX_PLATFORM_WINDOWS) && defined(DBGHELP_FOUND)
98
99#include <windows.h>
100
101namespace orxonox
102{
103    /// The SignalHandler is used to catch unhandled exceptions like access violations and write a backtrace to the logfile.
104    class _UtilExport SignalHandler : public Singleton<SignalHandler>
105    {
106        friend class Singleton<SignalHandler>;
107
108        public:
109            SignalHandler();
110            ~SignalHandler();
111
112            void doCatch(const std::string& appName, const std::string& filename);
113
114            static std::string getStackTrace(PEXCEPTION_POINTERS pExceptionInfo = NULL);
115            static std::string getExceptionType(PEXCEPTION_POINTERS pExceptionInfo);
116
117        private:
118            static LONG WINAPI exceptionFilter(PEXCEPTION_POINTERS pExceptionInfo);
119
120            static std::string getModuleName(const std::string& path);
121            static DWORD getModuleBase(DWORD dwAddress);
122
123            template <typename T>
124            static std::string pointerToString(T pointer, bool bFillZeros = true);
125            template <typename T>
126            static std::string pointerToString(T* pointer);
127
128            static SignalHandler* singletonPtr_s;
129
130            std::string filename_;
131            LPTOP_LEVEL_EXCEPTION_FILTER prevExceptionFilter_;
132    };
133}
134
135#else
136
137namespace orxonox
138{
139    /// The SignalHandler is used to catch signals like SIGSEGV and write a backtrace to the logfile. Not implemented on systems except Linux and Windows.
140    class _UtilExport SignalHandler : public Singleton<SignalHandler>
141    {
142        friend class Singleton<SignalHandler>;
143
144        public:
145            void doCatch(const std::string& appName, const std::string& filename) {}
146
147        private:
148            static SignalHandler* singletonPtr_s;
149    };
150}
151
152#endif
153
154#endif /* _SignalHandler_H__ */
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