SimulateInterruptViaThreadAdapter.h
Go to the documentation of this file.00001 /******************************************************************************* 00002 * 00003 * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de> 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * * Neither the name of the copyright holders nor the names of 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00024 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00025 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00026 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00027 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 * 00036 * $Id$ 00037 * 00038 ******************************************************************************/ 00039 00040 #ifndef __SimulateInterruptViaThreadAdapter_h__ 00041 #define __SimulateInterruptViaThreadAdapter_h__ 00042 00043 #include <boost/thread.hpp> 00044 #include <boost/bind.hpp> 00045 #include "devices/nic/can/PAXCAN/RxInterrupt.h" 00046 #include "util/ios.h" 00047 00048 namespace device { 00049 namespace nic { 00050 namespace CAN { 00051 00064 template < class Base, class InterruptProvider = RxInterrupt > 00065 class SimulateInterruptViaThreadAdapter : public Base, public InterruptProvider { 00066 public: 00067 typedef bool asio_tag; 00069 void init() { 00070 famouso::util::impl::start_ios(); 00071 Base::init(); 00072 sim = new boost::thread( 00073 boost::bind(&SimulateInterruptViaThreadAdapter::simulatedInterruptViaThread, 00074 this)); 00075 } 00076 00077 private: 00078 00083 void simulatedInterruptViaThread() { 00084 typename Base::MOB mob; 00085 while (1) { 00086 if (Base::interrupt_condition ()) { 00087 /* Post the interrupt service routine to the 00088 * ios-instance. This avoids inconsistencies 00089 * in the data-structures of the EventLayer, 00090 * because no threads are working at the same 00091 * time on the EventLayer data-structures. 00092 */ 00093 famouso::util::ios::instance().post( 00094 boost::bind(&InterruptProvider::fire_Interrupt, this)); 00095 } else { 00096 // sleep a short while 00097 } 00098 } 00099 } 00101 boost::thread *sim; 00102 }; 00103 00104 } /* namespace CAN */ 00105 } /* namespace nic */ 00106 } /* namespace device */ 00107 00108 #endif 00109