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source: code/trunk/src/util/SignalHandler.h @ 2685

Last change on this file since 2685 was 2662, checked in by rgrieder, 16 years ago

Merged presentation branch back to trunk.

File size: 3.3 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    @brief Declaration of the SignalHandler class.
32*/
33
34#ifndef _SignalHandler_H__
35#define _SignalHandler_H__
36
37#include "UtilPrereqs.h"
38
39#include <cassert>
40#include <list>
41#include <string>
42
43namespace orxonox
44{
45    typedef int (*SignalCallback)( void * someData );
46}
47
48#if ORXONOX_PLATFORM != ORXONOX_PLATFORM_WIN32
49#include <signal.h>
50
51namespace orxonox
52{
53    struct SignalRec
54    {
55        int signal;
56        sig_t handler;
57    };
58
59    struct SignalCallbackRec
60    {
61        SignalCallback cb;
62        void * someData;
63    };
64
65
66    typedef std::list<SignalRec> SignalRecList;
67    typedef std::list<SignalCallbackRec> SignalCallbackList;
68
69    class SignalHandler
70    {
71    public:
72        SignalHandler()  { assert(SignalHandler::singletonRef_s == 0); SignalHandler::singletonRef_s = this; }
73        ~SignalHandler() { assert(SignalHandler::singletonRef_s != 0); SignalHandler::singletonRef_s = NULL; }
74        inline static SignalHandler& getInstance() { assert(SignalHandler::singletonRef_s); return *SignalHandler::singletonRef_s; }
75
76        void registerCallback( SignalCallback cb, void * someData );
77
78        void doCatch( const std::string & appName, const std::string & filename );
79        void dontCatch();
80
81    private:
82        static void sigHandler( int sig );
83
84        void catchSignal( int sig );
85        SignalRecList sigRecList;
86
87        SignalCallbackList callbackList;
88
89        static SignalHandler* singletonRef_s;
90
91        std::string appName;
92        std::string filename;
93
94        // used to turn on KeyAutoRepeat if OIS crashes
95        static bool bXAutoKeyRepeatOn_;
96    };
97}
98
99#else /* ORXONOX_PLATFORM == ORXONOX_PLATFORM_WIN32 */
100
101namespace orxonox
102{
103    class _UtilExport SignalHandler
104    {
105    public:
106        SignalHandler()  { assert(SignalHandler::singletonRef_s == 0); SignalHandler::singletonRef_s = this; }
107        ~SignalHandler() { assert(SignalHandler::singletonRef_s != 0); SignalHandler::singletonRef_s = 0; }
108        inline static SignalHandler& getInstance() { assert(SignalHandler::singletonRef_s); return *SignalHandler::singletonRef_s; }
109        void doCatch( const std::string & appName, const std::string & filename ) {}
110        void dontCatch() {}
111        void registerCallback( SignalCallback cb, void * someData ) {}
112
113    private:
114        static SignalHandler* singletonRef_s;
115    };
116}
117
118#endif /* ORXONOX_PLATFORM == ORXONOX_PLATFORM_WIN32 */
119
120#endif /* _SignalHandler_H__ */
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