ScoreSegmentOperatorSeqReadWrite.h

//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999 The Regents of the University of California 
// Permission to use, copy, modify, and distribute this software and
// its documentation for any purpose, without fee, and without a
// written agreement is hereby granted, provided that the above copyright 
// notice and this paragraph and the following two paragraphs appear in
// all copies. 
//
// IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
// DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
// LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
// EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. 
//
// THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON
// AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
// PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 
//
//////////////////////////////////////////////////////////////////////////////
//
// BRASS source file
//
// SCORE Segment Operator (Sequential Read-write)
// $Revision: 1.4 $
//
//////////////////////////////////////////////////////////////////////////////
#ifndef _ScoreSegmentOperatorSeqReadWrite_H

#define _ScoreSegmentOperatorSeqReadWrite_H

#include <unistd.h>
#include <pthread.h>


#ifdef __cplusplus

#include "ScoreOperator.h"
#include "ScoreSegment.h"
#include "ScoreStream.h"
#include "ScoreConfig.h"


typedef struct {
  int segPtrID;
  int dataRID;
  int dataWID;
} ScoreSegmentOperatorSeqReadWrite_arg;


// NOTE: When a segment is submitted to be encapsulated in a
//       ScoreSegmentOperatorSeqReadWrite, the resulting memory values
//       left in the segment upon return are unspecified!
class ScoreSegmentOperatorSeqReadWrite : public ScoreOperator {
 public:
  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   UNSIGNED_SCORE_SEGMENT segPtr,
				   UNSIGNED_SCORE_STREAM dataR,
				   UNSIGNED_SCORE_STREAM dataW);

  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   SIGNED_SCORE_SEGMENT segPtr,
				   SIGNED_SCORE_STREAM dataR,
				   SIGNED_SCORE_STREAM dataW);

  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   BOOLEAN_SCORE_SEGMENT segPtr,
				   BOOLEAN_SCORE_STREAM dataR,
				   BOOLEAN_SCORE_STREAM dataW);

  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   SIGNED_FIXED_SCORE_SEGMENT segPtr,
				   SIGNED_FIXED_STREAM dataR,
				   SIGNED_FIXED_STREAM dataW);

  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   UNSIGNED_FIXED_SCORE_SEGMENT segPtr,
				   UNSIGNED_FIXED_STREAM dataR,
				   UNSIGNED_FIXED_STREAM dataW);

  ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, unsigned int awidth, 
				   size_t nelems,
				   DOUBLE_SCORE_SEGMENT segPtr,
				   DOUBLE_SCORE_STREAM dataR,
				   DOUBLE_SCORE_STREAM dataW);

  void *proc_run();


 private:
  void constructorHelper(unsigned int dwidth, unsigned int awidth, 
			 size_t nelems,
			 ScoreSegment *segPtr,
			 ScoreStream *dataR,
			 ScoreStream *dataW);

  ScoreSegment *segment;
  ScoreStream *dataRStream, *dataWStream;

  pthread_t rpt;
};

typedef ScoreSegmentOperatorSeqReadWrite* \
   OPERATOR_ScoreSegmentOperatorSeqReadWrite;
#define NEW_ScoreSegmentOperatorSeqReadWrite \
   new ScoreSegmentOperatorSeqReadWrite

#else

typedef void* OPERATOR_ScoreSegmentOperatorSeqReadWrite;
void *NEW_ScoreSegmentOperatorSeqReadWrite(unsigned int dwidth, 
					   unsigned int awidth, 
					   size_t nelems,
					   void *segPtr,
					   void *dataR,
					   void *dataW);

#endif

#endif