4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
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.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief SignalDispatcher internal header */
26 #ifndef IH_SENF_Scheduler_SignalEvent_
27 #define IH_SENF_Scheduler_SignalEvent_ 1
30 #include "FdManager.hh"
31 #include <boost/intrusive/iset.hpp>
32 #include "../Utils/Exception.hh"
33 #include "../Utils/singleton.hh"
35 ///////////////////////////////ih.p////////////////////////////////////////
44 struct SignalSetCompare {
45 bool operator()(SignalEvent const & a, SignalEvent const & b) const
46 { return a.signal_ < b.signal_; }
49 struct FindNumericSignal {
50 bool operator()(SignalEvent const & a, int b) const
51 { return a.signal_ < b; }
52 bool operator()(int a, SignalEvent const & b) const
53 { return a < b.signal_; }
56 class SignalDispatcher
57 : public detail::FdManager::Event,
58 public singleton<SignalDispatcher>
60 typedef boost::intrusive::iset< SignalSetBase::value_traits<SignalEvent>,
64 using singleton<SignalDispatcher>::instance;
65 using singleton<SignalDispatcher>::alive;
67 void add(SignalEvent & event);
68 void remove(SignalEvent & event);
70 void unblockSignals();
75 struct DuplicateSignalRegistrationException : public Exception
76 { DuplicateSignalRegistrationException()
77 : Exception("duplicate signal registration") {} };
85 virtual void signal(int events);
86 static void sigHandler(int signal, ::siginfo_t * siginfo, void *);
95 friend void senf::scheduler::restart();
96 friend class senf::scheduler::SignalEvent;
97 friend class singleton<SignalDispatcher>;
102 ///////////////////////////////ih.e////////////////////////////////////////
109 // comment-column: 40
110 // c-file-style: "senf"
111 // indent-tabs-mode: nil
112 // ispell-local-dictionary: "american"
113 // compile-command: "scons -u test"