Thread.hxx
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上传日期:2013-07-25
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- #if !defined(THREAD_DOT_H)
- #define THREAD_DOT_H
- /* ====================================================================
- * 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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const Thread_hxx_Version =
- "$Id: Thread.hxx,v 1.13 2001/06/29 03:42:31 bko Exp $";
- #include "Writer.hxx"
- #include "TransportCommon.hxx"
- #include "VThread.hxx"
- #include "VMutex.h"
- #include <map>
- /** Infrastructure common to VOCAL.
- */
- namespace Vocal
- {
- /** Infrastructure common to VOCAL to create and manage processes.
- */
- namespace Process
- {
- class Runnable;
- class SignalHandler;
- /** Executes a Runnable in it's own thread of execution.<br><br>
- *
- * Each thread creates a SignalHandler.
- *
- * @see Vocal::Process::Runnable
- * @see Vocal::Process::Application
- * @see Vocal::Process::SignalHandler
- * @see Vocal::ReturnCode
- */
- class Thread : public Vocal::IO::Writer
- {
- public:
-
- /** Globally initialize the Thread facility. This should be done
- * in Application::init on the context of the initial thread.
- * When called, the current thread is added to the ThreadMap so
- * that self() will work in the initial thread.
- */
- static void init();
- /** Globally uninitialize the Thread facility. This should be done
- * in Application::uninit.
- */
- static void uninit();
- /** Returns the Thread class associated with the calling thread.
- */
- static Thread * self();
- /** Globally initialize the Thread facility. This should be done
- * in Application::init
- */
- static vthread_t selfId();
-
- /** Start a new thread. The thread starts running during construction.
- */
- Thread(Runnable &, const char * name = 0);
-
- /** Delete Thread object. This does not stop the thread from executing.
- */
- ~Thread();
- /** Join the thread. Must be called from outside the thread of
- * execution. Returns the result of the Runnable's run() method.
- */
- ReturnCode join();
-
- /** Exit the thread. Must be called from within the thread
- * of execution.
- */
- void exit();
-
- /** Return the runnable associated with this thread. If called in the
- * initializing thread, the Application is returned.
- */
- Runnable & runnable();
-
- /** Return the signalHandler associated with this thread.
- */
- SignalHandler & signalHandler();
-
- /** Write thread information to stream. See Writer.
- */
- ostream & writeTo(ostream &) const;
-
-
- private:
- // The function that is run when the thread is spawned.
- //
- static void * threadMain(void * data);
- /** Default constructor for main (Application's) thread. Called
- * from init().
- */
- Thread();
-
- typedef map<vthread_t, Thread *> ThreadMap;
-
- static ThreadMap * threadMap_;
- static VMutex threadMapMutex_;
- static Thread * mainThread_;
-
- VThread * thread_;
- Runnable & runnable_;
- SignalHandler * signalHandler_;
- string name_;
- };
- } // namespace Process
- } // namespace Vocal
- #endif // !defined(THREAD_DOT_H)