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source: code/trunk/src/util/SignalHandler.h @ 3014

Last change on this file since 3014 was 2911, checked in by landauf, 16 years ago

Merged r1-2096 of questsystem5 back to trunk

I hope there weren't more "hidden merge changes" in r2909 than the one in OverlayGroup (removeElement) (and related to this the adjustments in NotificationQueue).

The corresponding media commit seems not yet to be done, but it doesn't break the build.

File size: 3.2 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#ifdef ORXONOX_PLATFORM_LINUX
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}
95
96#else /* ORXONOX_PLATFORM_LINUX */
97
98namespace orxonox
99{
100    class _UtilExport SignalHandler
101    {
102    public:
103        SignalHandler()  { assert(SignalHandler::singletonRef_s == 0); SignalHandler::singletonRef_s = this; }
104        ~SignalHandler() { assert(SignalHandler::singletonRef_s != 0); SignalHandler::singletonRef_s = 0; }
105        inline static SignalHandler& getInstance() { assert(SignalHandler::singletonRef_s); return *SignalHandler::singletonRef_s; }
106        void doCatch( const std::string & appName, const std::string & filename ) {}
107        void dontCatch() {}
108        void registerCallback( SignalCallback cb, void * someData ) {}
109
110    private:
111        static SignalHandler* singletonRef_s;
112    };
113}
114
115#endif /* ORXONOX_PLATFORM_LINUX */
116
117#endif /* _SignalHandler_H__ */
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