2004-04-16 06:33:49 +04:00
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/*
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2004-11-22 04:38:40 +03:00
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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2004-11-28 23:09:25 +03:00
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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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2005-03-24 15:43:37 +03:00
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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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2004-11-22 04:38:40 +03:00
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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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2004-04-16 06:33:49 +04:00
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* $HEADER$
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*/
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2004-06-07 19:33:53 +04:00
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#include "ompi_config.h"
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2004-04-16 06:33:49 +04:00
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#include "mpi/f77/bindings.h"
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2004-06-07 19:33:53 +04:00
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILE_LAYER
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2004-04-16 06:33:49 +04:00
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#pragma weak PMPI_ATTR_GET = mpi_attr_get_f
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#pragma weak pmpi_attr_get = mpi_attr_get_f
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#pragma weak pmpi_attr_get_ = mpi_attr_get_f
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#pragma weak pmpi_attr_get__ = mpi_attr_get_f
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2004-06-07 19:33:53 +04:00
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#elif OMPI_PROFILE_LAYER
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OMPI_GENERATE_F77_BINDINGS (PMPI_ATTR_GET,
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2004-04-16 06:33:49 +04:00
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pmpi_attr_get,
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pmpi_attr_get_,
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pmpi_attr_get__,
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pmpi_attr_get_f,
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2004-09-22 18:49:52 +04:00
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(MPI_Fint *comm, MPI_Fint *keyval, MPI_Fint *attribute_val, MPI_Fint *flag, MPI_Fint *ierr),
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2004-04-16 06:33:49 +04:00
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(comm, keyval, attribute_val, flag, ierr) )
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#endif
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2004-06-07 19:33:53 +04:00
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#if OMPI_HAVE_WEAK_SYMBOLS
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2004-04-16 06:33:49 +04:00
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#pragma weak MPI_ATTR_GET = mpi_attr_get_f
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#pragma weak mpi_attr_get = mpi_attr_get_f
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#pragma weak mpi_attr_get_ = mpi_attr_get_f
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#pragma weak mpi_attr_get__ = mpi_attr_get_f
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#endif
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2004-06-07 19:33:53 +04:00
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#if ! OMPI_HAVE_WEAK_SYMBOLS && ! OMPI_PROFILE_LAYER
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OMPI_GENERATE_F77_BINDINGS (MPI_ATTR_GET,
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2004-04-16 06:33:49 +04:00
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mpi_attr_get,
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mpi_attr_get_,
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mpi_attr_get__,
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mpi_attr_get_f,
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2004-09-21 23:52:19 +04:00
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(MPI_Fint *comm, MPI_Fint *keyval, MPI_Fint *attribute_val, MPI_Fint *flag, MPI_Fint *ierr),
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2004-04-16 06:33:49 +04:00
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(comm, keyval, attribute_val, flag, ierr) )
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#endif
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2004-04-20 22:50:43 +04:00
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2004-06-07 19:33:53 +04:00
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#if OMPI_PROFILE_LAYER && ! OMPI_HAVE_WEAK_SYMBOLS
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2004-07-18 00:10:03 +04:00
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#include "mpi/f77/profile/defines.h"
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2004-04-20 22:50:43 +04:00
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#endif
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2004-08-26 23:23:18 +04:00
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void mpi_attr_get_f(MPI_Fint *comm, MPI_Fint *keyval,
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2004-09-21 23:52:19 +04:00
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MPI_Fint *attribute_val, MPI_Fint *flag, MPI_Fint *ierr)
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2004-04-16 06:33:49 +04:00
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{
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2004-09-21 23:52:19 +04:00
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int c_err, c_flag;
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2004-08-26 23:23:18 +04:00
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MPI_Comm c_comm;
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2004-09-21 23:52:19 +04:00
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int *c_value;
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2004-08-26 23:23:18 +04:00
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c_comm = MPI_Comm_f2c(*comm);
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2004-08-28 01:53:11 +04:00
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2004-09-21 23:52:19 +04:00
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/* This stuff is very confusing. Be sure to see MPI-2 4.12.7. */
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/* Didn't use all the FINT macros that could have prevented a few
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extra variables in this function, but I figured that the
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clarity of code, and the fact that this is not expected to be a
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high-performance function, was worth it */
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/* Note that this function deals with attribute values that are
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the size of Fortran INTEGERS; MPI_ATTR_GET deals with attribute
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values that are the size of address integers. Hence, it is
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possible that you'll lose some precision upon the cast. Per
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MPI-2 4.12.7, use MPI_xxx_get/put_attr when you need lossless
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conversion. */
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c_err = MPI_Attr_get(c_comm, OMPI_FINT_2_INT(*keyval), &c_value, &c_flag);
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*ierr = OMPI_INT_2_FINT(c_err);
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*flag = OMPI_INT_2_FINT(c_flag);
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/* Note that MPI-2 4.12.7 specifically says that Fortran's
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ATTR_GET function will take the address returned from C and
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"convert it to an integer" (which assumedly means
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dereference) */
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if (MPI_SUCCESS == c_err && 1 == c_flag) {
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*attribute_val = OMPI_INT_2_FINT(*c_value);
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}
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2004-04-16 06:33:49 +04:00
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}
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