tSignals.cxx
上传用户:sy_wanhua
上传日期:2013-07-25
资源大小:3048k
文件大小:6k
- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const tSignals_cxx_Version =
- "$Id$";
- #include "Application.hxx"
- #include "Thread.hxx"
- #include "SignalHandler.hxx"
- #include "PollFifo.hxx"
- #include "Fifo.h"
- #include <string>
- using Vocal::ReturnCode;
- using Vocal::SUCCESS;
- using Vocal::Threads::Thread;
- using Vocal::Process::SignalAction;
- using Vocal::Process::SignalSet;
- using Vocal::Process::SignalHandler;
- using Vocal::Runnable;
- using Vocal::Application;
- class NotMuchAction : public SignalAction
- {
- public:
- NotMuchAction(const SignalSet & set, const string & name)
- : SignalAction(set),
- name_(name),
- count_(0)
- {
- }
- ~NotMuchAction()
- {
- }
- virtual void
- onSignal(int signum, int error, int code)
- {
- cout << name_
- << ": thread = " << Thread::selfId()
- << ", received signal = " << signum
- << ", error = " << error << ", code = " << code << endl;
- }
- private:
- string name_;
- int count_;
- };
-
- class ThreadSignalTester : public Runnable
- {
- public:
- ThreadSignalTester() {}
- ~ThreadSignalTester() {}
- ReturnCode run();
- };
- class tSignal : public Application
- {
- public:
- tSignal() {}
- ~tSignal() {}
- ReturnCode init(int argc, char ** argv, char ** arge);
- void uninit();
- ReturnCode run();
- };
- ReturnCode
- tSignal::init(int argc, char ** argv, char ** arge)
- {
- Thread::init();
- return ( SUCCESS );
- }
- void
- tSignal::uninit()
- {
- Thread::uninit();
- }
- ReturnCode
- ThreadSignalTester::run()
- {
- cout << "pid: " << getpid() << endl;
- PollFifo<int> pollfifo;
- ReturnCode rc = SUCCESS;
- SignalSet hangup(SIGHUP);
- Thread::self()->signalHandler().block(hangup);
- NotMuchAction action(hangup, "InThread");
- Thread::self()->signalHandler().add(action);
-
- int count = 0;
-
- while ( count < 5 )
- {
- try
- {
- Thread::self()->signalHandler().unblock(hangup);
- int numberActive = pollfifo.block();
-
- Thread::self()->signalHandler().block(hangup);
- cout << "pollfifo unblocked: number active = " << numberActive
- << ", count = " << count++ << endl;
- }
- catch ( ... )
- {
- continue;
- }
- }
- Thread::self()->signalHandler().remove(action);
- return ( rc );
- }
- Application * Application::create()
- {
- return ( new tSignal );
- }
- ReturnCode
- tSignal::run()
- {
- ThreadSignalTester signalTester;
- Thread signalTesterThread(signalTester, "signalTester");
- PollFifo<int> fifo;
- SignalSet hangup(SIGHUP);
- Thread::self()->signalHandler().block(hangup);
- NotMuchAction action(hangup, "InMain");
- Thread::self()->signalHandler().add(action);
-
- int count = 0;
-
- while ( count < 5 )
- {
- try
- {
- Thread::self()->signalHandler().unblock(hangup);
- milliseconds_t forADay = 1000 * 60 * 60;
-
- int numberActive = fifo.block(forADay);
-
- Thread::self()->signalHandler().block(hangup);
- cout << "fifo unblocked: number active = " << numberActive
- << ", count = " << count++ << endl;
- }
- catch ( ... )
- {
- continue;
- }
- }
- Thread::self()->signalHandler().remove(action);
- return ( signalTesterThread.join() );
- }
- int main(int argc, char ** argv, char ** arge)
- {
- return ( Application::main(argc, argv, arge) );
- }