/usr/include/lam/mpi2cxx/intracomm.h is in lam4-dev 7.1.4-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// $Id: intracomm.h,v 1.6 2003/10/22 23:35:36 adharurk Exp $
//
// Copyright (c) 2001-2003 The Trustees of Indiana University.
// All rights reserved.
// Copyright (c) 1998-2001 University of Notre Dame.
// All rights reserved.
// Copyright (c) 1994-1998 The Ohio State University.
// All rights reserved.
//
// This file is part of the LAM/MPI software package. For license
// information, see the LICENSE file in the top level directory of the
// LAM/MPI source distribution.
//
// $HEADER$
//
class Intracomm : public Comm {
public:
#if LAM_WANT_PROFILE
friend class MPI::Win;
#if LAM_WANT_CPPFILE
friend class MPI::File;
#endif
#endif
// construction
Intracomm() { }
// copy
Intracomm(const Comm_Null& data) : Comm(data) { }
// inter-language operability
#if LAM_WANT_PROFILE
//NOTE: it is extremely important that Comm(data) happens below
// because there is a not only pmpi_comm in this Intracomm but
// there is also a pmpi_comm in the inherited Comm part. Both
// of these pmpi_comm's need to be initialized with the same
// MPI_Comm object. Also the assignment operators must take this
// into account.
Intracomm(const Intracomm& data) : Comm(data), pmpi_comm(data) { }
Intracomm(const MPI_Comm& data) : Comm(data), pmpi_comm(data) { }
Intracomm(const PMPI::Intracomm& data)
: Comm((const PMPI::Comm&)data), pmpi_comm(data) { }
// assignment
Intracomm& operator=(const Intracomm& data) {
Comm::operator=(data);
pmpi_comm = data.pmpi_comm;
return *this;
}
Intracomm& operator=(const Comm_Null& data) {
Comm::operator=(data);
pmpi_comm = (PMPI::Intracomm)data; return *this;
}
// inter-language operability
Intracomm& operator=(const MPI_Comm& data) {
Comm::operator=(data);
pmpi_comm = data;
return *this;
}
#else
Intracomm(const Intracomm& data) : Comm(data.mpi_comm) { }
inline Intracomm(const MPI_Comm& data);
// assignment
Intracomm& operator=(const Intracomm& data) {
mpi_comm = data.mpi_comm; return *this;
}
Intracomm& operator=(const Comm_Null& data) {
mpi_comm = data; return *this;
}
// inter-language operability
Intracomm& operator=(const MPI_Comm& data) {
mpi_comm = data; return *this; }
#endif
//
// Collective Communication
//
virtual void
Barrier() const;
virtual void
Bcast(void *buffer, int count,
const Datatype& datatype, int root) const;
virtual void
Gather(const void *sendbuf, int sendcount,
const Datatype & sendtype,
void *recvbuf, int recvcount,
const Datatype & recvtype, int root) const;
virtual void
Gatherv(const void *sendbuf, int sendcount,
const Datatype & sendtype, void *recvbuf,
const int recvcounts[], const int displs[],
const Datatype & recvtype, int root) const;
virtual void
Scatter(const void *sendbuf, int sendcount,
const Datatype & sendtype,
void *recvbuf, int recvcount,
const Datatype & recvtype, int root) const;
virtual void
Scatterv(const void *sendbuf, const int sendcounts[],
const int displs[], const Datatype & sendtype,
void *recvbuf, int recvcount,
const Datatype & recvtype, int root) const;
virtual void
Allgather(const void *sendbuf, int sendcount,
const Datatype & sendtype, void *recvbuf,
int recvcount, const Datatype & recvtype) const;
virtual void
Allgatherv(const void *sendbuf, int sendcount,
const Datatype & sendtype, void *recvbuf,
const int recvcounts[], const int displs[],
const Datatype & recvtype) const;
virtual void
Alltoall(const void *sendbuf, int sendcount,
const Datatype & sendtype, void *recvbuf,
int recvcount, const Datatype & recvtype) const;
virtual void
Alltoallv(const void *sendbuf, const int sendcounts[],
const int sdispls[], const Datatype & sendtype,
void *recvbuf, const int recvcounts[],
const int rdispls[], const Datatype & recvtype) const;
virtual void
Alltoallw(const void *sendbuf, const int sendcounts[],
const int sdispls[], const Datatype sendtypes[],
void *recvbuf, const int recvcounts[],
const int rdispls[], const Datatype recvtypes[]) const;
virtual void
Reduce(const void *sendbuf, void *recvbuf, int count,
const Datatype & datatype, const Op & op,
int root) const;
virtual void
Allreduce(const void *sendbuf, void *recvbuf, int count,
const Datatype & datatype, const Op & op) const;
virtual void
Reduce_scatter(const void *sendbuf, void *recvbuf,
int recvcounts[],
const Datatype & datatype,
const Op & op) const;
virtual void
Scan(const void *sendbuf, void *recvbuf, int count,
const Datatype & datatype, const Op & op) const;
virtual void
Exscan(const void *sendbuf, void *recvbuf, int count,
const Datatype & datatype, const Op & op) const;
Intracomm
Dup() const;
virtual Intracomm& Clone() const;
virtual Intracomm
Create(const Group& group) const;
virtual Intracomm
Split(int color, int key) const;
virtual Intercomm
Create_intercomm(int local_leader, const Comm& peer_comm,
int remote_leader, int tag) const;
virtual Cartcomm
Create_cart(int ndims, const int dims[],
const bool periods[], bool reorder) const;
virtual Graphcomm
Create_graph(int nnodes, const int index[],
const int edges[], bool reorder) const;
//
// Process Creation and Management
//
virtual Intercomm Accept(const char* port_name, const Info& info, int root)
const;
virtual Intercomm Connect(const char* port_name, const Info& info, int root)
const;
virtual Intercomm Spawn(const char* command, const char* argv[],
int maxprocs, const Info& info, int root) const;
virtual Intercomm Spawn(const char* command, const char* argv[],
int maxprocs, const Info& info,
int root, int array_of_errcodes[]) const;
virtual Intercomm Spawn_multiple(int count, const char* array_of_commands[],
const char** array_of_argv[],
const int array_of_maxprocs[],
const Info array_of_info[], int root);
virtual Intercomm Spawn_multiple(int count, const char* array_of_commands[],
const char** array_of_argv[],
const int array_of_maxprocs[],
const Info array_of_info[], int root,
int array_of_errcodes[]);
//#if LAM_WANT_PROFILE
// virtual const PMPI::Comm& get_pmpi_comm() const { return pmpi_comm; }
//#endif
protected:
#if LAM_WANT_PROFILE
PMPI::Intracomm pmpi_comm;
#endif
public: // JGS see above about friend decls
#if ! LAM_WANT_PROFILE
static Op* current_op;
#endif
};
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