/build/buildd/libassa-3.4.1/assa/SigHandler.h

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00001 // -*- c++ -*-
00002 //------------------------------------------------------------------------------
00003 //                            SigHandler.h
00004 //------------------------------------------------------------------------------
00005 //  Copyright (c) 1997 by Vladislav Grinchenko
00006 //
00007 //  This library is free software; you can redistribute it and/or
00008 //  modify it under the terms of the GNU Library General Public
00009 //  License as published by the Free Software Foundation; either
00010 //  version 2 of the License, or (at your option) any later version.
00011 //------------------------------------------------------------------------------
00012 #ifndef _SigHandler_h
00013 #define _SigHandler_h
00014 
00015 // System includes
00016 
00017 #include <signal.h>
00018 #include <errno.h>
00019 
00020 #include "assa/Logger.h"
00021 #include "assa/IdSet.h"
00022 #include "assa/SigSet.h"
00023 #include "assa/SigAction.h"
00024 #include "assa/EventHandler.h"
00025 
00026 namespace ASSA {
00027 
00047 class SigHandler
00048 {
00049 public:
00065     virtual int install (int            signum_,
00066                  EventHandler*  new_hand_,
00067                  SigAction*     new_disp_ = 0,
00068                  EventHandler** old_hand_ = 0,
00069                  SigAction*     old_disp_ = 0);
00070 
00083     virtual int remove (int signum_,
00084                 EventHandler* eh_       = 0,
00085                 SigAction*    new_disp_ = 0,
00086                 SigAction*    old_disp_ = 0);
00087 
00097     static void dispatch (int signum_);
00098     
00105     EventHandler* handler (int signum_, EventHandler* new_);
00106 
00109     EventHandler* handler (int signum_);
00110     
00111 protected:
00115     int in_range(int signum_);
00116     
00117 private:
00121     static EventHandler* m_signal_handlers [NSIG];
00122 };
00123 
00124 } // end namespace ASSA
00125 
00126 #endif /* _SigHandler_h */

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