Fifo.h
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上传日期:2013-07-25
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- #if !defined(VOCAL_FIFO_HXX)
- #define VOCAL_FIFO_HXX
- /* ====================================================================
- * 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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const FifoHeaderVersion =
- "$Id: Fifo.h,v 1.26 2001/06/27 01:43:45 bko Exp $";
- #include "FifoBase.h"
- #include "Condition.hxx"
- /** Infrastructure common to VOCAL.
- */
- namespace Vocal
- {
- /** This template class implements a thread safe FIFO of messages
- */
- template <class Msg> class Fifo : public FifoBase<Msg>
- {
- public:
- /** Create an empty FIFO
- */
- Fifo();
- /** Delete the FIFO - must be empty when deleted
- */
- virtual ~Fifo();
- private:
- /** Wake's up the blocked thread.
- */
- virtual void wakeup()
- throw ( VException );
- /** Blocks the thread, waiting for a message. Note that the
- * mutex_ is locked upon entry. It is the responsibility
- * of the user to unlock the mutex if necessary.
- */
- virtual int wait(milliseconds_t relativeTime)
- throw ( VException );
- /** Conditional variable for waiting until the FIFO is not empty
- */
- Condition myCondition;
- };
- } // namespace Vocal
- #ifndef WIN32
- #include "Fifo.cc"
- #else
- #include "Fifo-win32.cxx"
- #endif
- #endif // !defined(VOCAL_FIFO_HXX)