00001 // $Id: SignalEvent.cci 1781 2011-04-11 12:10:19Z tho $ 00002 // 00003 // Copyright (C) 2008 00004 // Fraunhofer (FOKUS) 00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY 00006 // Stefan Bund <g0dil@berlios.de> 00007 // 00008 // This program is free software; you can redistribute it and/or modify 00009 // it under the terms of the GNU General Public License as published by 00010 // the Free Software Foundation; either version 2 of the License, or 00011 // (at your option) any later version. 00012 // 00013 // This program is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 // 00018 // You should have received a copy of the GNU General Public License 00019 // along with this program; if not, write to the 00020 // Free Software Foundation, Inc., 00021 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 00026 #include "SignalEvent.ih" 00027 00028 // Custom includes 00029 #include <unistd.h> 00030 #include <senf/Utils/signalnames.hh> 00031 00032 #define prefix_ inline 00033 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00034 00035 prefix_ void senf::scheduler::detail::SignalDispatcher::blockSignals() 00036 { 00037 if (blocked_) return; 00038 sigprocmask(SIG_BLOCK, &sigSet_, 0); 00039 blocked_ = true; 00040 } 00041 00042 prefix_ void senf::scheduler::detail::SignalDispatcher::unblockSignals() 00043 { 00044 if (!blocked_) return; 00045 sigprocmask(SIG_UNBLOCK, &sigSet_, 0); 00046 blocked_ = false; 00047 } 00048 00049 prefix_ bool senf::scheduler::detail::SignalDispatcher::empty() 00050 const 00051 { 00052 return handlers_.empty(); 00053 } 00054 00055 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00056 // senf::scheduler::SignalEvent 00057 00058 prefix_ senf::scheduler::SignalEvent::SignalEvent(int signal, Callback const & cb, 00059 bool initiallyEnabled) 00060 : detail::FIFORunner::TaskInfo(signalName(signal)), signal_ (signal), cb_ (cb) 00061 { 00062 if (initiallyEnabled) 00063 enable(); 00064 } 00065 00066 prefix_ senf::scheduler::SignalEvent::~SignalEvent() 00067 { 00068 if (senf::scheduler::detail::SignalDispatcher::alive()) 00069 disable(); 00070 } 00071 00072 prefix_ void senf::scheduler::SignalEvent::disable() 00073 { 00074 if (detail::SignalSetBase::linked()) 00075 senf::scheduler::detail::SignalDispatcher::instance().remove(*this); 00076 } 00077 00078 prefix_ void senf::scheduler::SignalEvent::enable() 00079 { 00080 if (! detail::SignalSetBase::linked()) 00081 senf::scheduler::detail::SignalDispatcher::instance().add(*this); 00082 } 00083 00084 prefix_ void senf::scheduler::SignalEvent::action(Callback const & cb) 00085 { 00086 cb_ = cb; 00087 } 00088 00089 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00090 #undef prefix_ 00091 00092 00093 // Local Variables: 00094 // mode: c++ 00095 // fill-column: 100 00096 // comment-column: 40 00097 // c-file-style: "senf" 00098 // indent-tabs-mode: nil 00099 // ispell-local-dictionary: "american" 00100 // compile-command: "scons -u test" 00101 // End: