4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
7 // Version 1.0 (the "License"); you may not use this file except in compliance
8 // with the License. You may obtain a copy of the License at
9 // http://senf.berlios.de/license.html
11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
12 // but modifies the Mozilla Public License Version 1.1.
13 // See the full license text for the amendments.
15 // Software distributed under the License is distributed on an "AS IS" basis,
16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17 // for the specific language governing rights and limitations under the License.
19 // The Original Code is Fraunhofer FOKUS code.
21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
23 // All Rights Reserved.
26 // Stefan Bund <g0dil@berlios.de>
29 \brief SignalDispatcher internal header */
31 #ifndef IH_SENF_Scheduler_SignalEvent_
32 #define IH_SENF_Scheduler_SignalEvent_ 1
35 #include "FdManager.hh"
36 #include <senf/boost_intrusive/iset.hpp>
37 #include <senf/Utils/Exception.hh>
38 #include <senf/Utils/singleton.hh>
40 //-/////////////////////////////////////////////////////////////////////////////////////////////////
49 struct SignalSetCompare {
50 bool operator()(SignalEvent const & a, SignalEvent const & b) const
51 { return a.signal_ < b.signal_; }
54 struct FindNumericSignal {
55 bool operator()(SignalEvent const & a, int b) const
56 { return a.signal_ < b; }
57 bool operator()(int a, SignalEvent const & b) const
58 { return a < b.signal_; }
61 class SignalDispatcher
62 : public detail::FdManager::Event,
63 public singleton<SignalDispatcher>
65 typedef boost::intrusive::iset< SignalSetBase::value_traits<SignalEvent>,
69 using singleton<SignalDispatcher>::instance;
70 using singleton<SignalDispatcher>::alive;
72 void add(SignalEvent & event);
73 void remove(SignalEvent & event);
75 void unblockSignals();
80 struct DuplicateSignalRegistrationException : public Exception
81 { DuplicateSignalRegistrationException()
82 : Exception("duplicate signal registration") {} };
90 virtual void signal(int events);
91 static void sigHandler(int signal, ::siginfo_t * siginfo, void *);
100 friend void senf::scheduler::restart();
101 friend class senf::scheduler::SignalEvent;
102 friend class singleton<SignalDispatcher>;
107 //-/////////////////////////////////////////////////////////////////////////////////////////////////
114 // comment-column: 40
115 // c-file-style: "senf"
116 // indent-tabs-mode: nil
117 // ispell-local-dictionary: "american"
118 // compile-command: "scons -u test"