116 строки
3.0 KiB
C++
116 строки
3.0 KiB
C++
// -*- c++ -*-
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//
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// Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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// University Research and Technology
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// Corporation. All rights reserved.
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// Copyright (c) 2004-2005 The University of Tennessee and The University
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// of Tennessee Research Foundation. All rights
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// reserved.
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// Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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// University of Stuttgart. All rights reserved.
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// Copyright (c) 2004-2005 The Regents of the University of California.
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// All rights reserved.
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// Copyright (c) 2006-2008 Cisco Systems, Inc. All rights reserved.
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// $COPYRIGHT$
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//
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// Additional copyrights may follow
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//
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// $HEADER$
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//
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class Status {
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#if 0 /* OMPI_ENABLE_MPI_PROFILING */
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// friend class PMPI::Status;
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#endif
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friend class MPI::Comm; //so I can access pmpi_status data member in comm.cc
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friend class MPI::Request; //and also from request.cc
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#if OMPI_PROVIDE_MPI_FILE_INTERFACE
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friend class MPI::File;
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#endif
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public:
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#if 0 /* OMPI_ENABLE_MPI_PROFILING */
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// construction / destruction
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Status() { }
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virtual ~Status() {}
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// copy / assignment
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Status(const Status& data) : pmpi_status(data.pmpi_status) { }
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Status(const MPI_Status &i) : pmpi_status(i) { }
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Status& operator=(const Status& data) {
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pmpi_status = data.pmpi_status; return *this; }
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// comparison, don't need for status
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// inter-language operability
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Status& operator= (const MPI_Status &i) {
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pmpi_status = i; return *this; }
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operator MPI_Status () const { return pmpi_status; }
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// operator MPI_Status* () const { return pmpi_status; }
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operator const PMPI::Status&() const { return pmpi_status; }
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#else
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Status() : mpi_status() { }
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// copy
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Status(const Status& data) : mpi_status(data.mpi_status) { }
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Status(const MPI_Status &i) : mpi_status(i) { }
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virtual ~Status() {}
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Status& operator=(const Status& data) {
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mpi_status = data.mpi_status; return *this; }
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// comparison, don't need for status
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// inter-language operability
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Status& operator= (const MPI_Status &i) {
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mpi_status = i; return *this; }
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operator MPI_Status () const { return mpi_status; }
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// operator MPI_Status* () const { return (MPI_Status*)&mpi_status; }
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#endif
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//
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// Point-to-Point Communication
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//
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virtual int Get_count(const Datatype& datatype) const;
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virtual bool Is_cancelled() const;
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virtual int Get_elements(const Datatype& datatype) const;
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//
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// Status Access
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//
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virtual int Get_source() const;
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virtual void Set_source(int source);
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virtual int Get_tag() const;
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virtual void Set_tag(int tag);
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virtual int Get_error() const;
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virtual void Set_error(int error);
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virtual void Set_elements(const MPI::Datatype& datatype, int count);
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virtual void Set_cancelled(bool flag);
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protected:
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#if 0 /* OMPI_ENABLE_MPI_PROFILING */
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PMPI::Status pmpi_status;
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#else
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MPI_Status mpi_status;
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#endif
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};
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