77a5eb3b69
Doing pointer math properly (e.g., incrementing by the right amount) helps you not overflow buffers, cause random chaos, and contribute to the heat death of the universe. Sigh. This commit was SVN r12015. The following Trac tickets were found above: Ticket 236 --> https://svn.open-mpi.org/trac/ompi/ticket/236
120 строки
4.7 KiB
C
120 строки
4.7 KiB
C
/*
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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 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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#include "ompi_config.h"
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#include "ompi/mpi/f77/bindings.h"
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#include "ompi/mpi/f77/constants.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/communicator/communicator.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILE_LAYER
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#pragma weak PMPI_WAITSOME = mpi_waitsome_f
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#pragma weak pmpi_waitsome = mpi_waitsome_f
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#pragma weak pmpi_waitsome_ = mpi_waitsome_f
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#pragma weak pmpi_waitsome__ = mpi_waitsome_f
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#elif OMPI_PROFILE_LAYER
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OMPI_GENERATE_F77_BINDINGS (PMPI_WAITSOME,
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pmpi_waitsome,
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pmpi_waitsome_,
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pmpi_waitsome__,
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pmpi_waitsome_f,
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(MPI_Fint *incount, MPI_Fint *array_of_requests, MPI_Fint *outcount, MPI_Fint *array_of_indices, MPI_Fint *array_of_statuses, MPI_Fint *ierr),
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(incount, array_of_requests, outcount, array_of_indices, array_of_statuses, ierr) )
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#endif
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#if OMPI_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_WAITSOME = mpi_waitsome_f
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#pragma weak mpi_waitsome = mpi_waitsome_f
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#pragma weak mpi_waitsome_ = mpi_waitsome_f
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#pragma weak mpi_waitsome__ = mpi_waitsome_f
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#endif
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#if ! OMPI_HAVE_WEAK_SYMBOLS && ! OMPI_PROFILE_LAYER
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OMPI_GENERATE_F77_BINDINGS (MPI_WAITSOME,
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mpi_waitsome,
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mpi_waitsome_,
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mpi_waitsome__,
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mpi_waitsome_f,
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(MPI_Fint *incount, MPI_Fint *array_of_requests, MPI_Fint *outcount, MPI_Fint *array_of_indices, MPI_Fint *array_of_statuses, MPI_Fint *ierr),
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(incount, array_of_requests, outcount, array_of_indices, array_of_statuses, ierr) )
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#endif
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#if OMPI_PROFILE_LAYER && ! OMPI_HAVE_WEAK_SYMBOLS
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#include "ompi/mpi/f77/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_WAITSOME";
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void mpi_waitsome_f(MPI_Fint *incount, MPI_Fint *array_of_requests,
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MPI_Fint *outcount, MPI_Fint *array_of_indices,
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MPI_Fint *array_of_statuses, MPI_Fint *ierr)
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{
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MPI_Request *c_req;
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MPI_Status *c_status;
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int i;
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OMPI_SINGLE_NAME_DECL(outcount);
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OMPI_ARRAY_NAME_DECL(array_of_indices);
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c_req = malloc(OMPI_FINT_2_INT(*incount) *
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(sizeof(MPI_Request) + sizeof(MPI_Status)));
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if (NULL == c_req) {
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*ierr = OMPI_INT_2_FINT(OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD,
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MPI_ERR_NO_MEM,
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FUNC_NAME));
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return;
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}
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c_status = (MPI_Status*) (c_req + OMPI_FINT_2_INT(*incount));
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for (i = 0; i < OMPI_FINT_2_INT(*incount); ++i) {
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c_req[i] = MPI_Request_f2c(array_of_requests[i]);
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}
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OMPI_ARRAY_FINT_2_INT_ALLOC(array_of_indices, *incount);
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*ierr = OMPI_INT_2_FINT(MPI_Waitsome(OMPI_FINT_2_INT(*incount), c_req,
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OMPI_SINGLE_NAME_CONVERT(outcount),
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OMPI_ARRAY_NAME_CONVERT(array_of_indices),
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c_status));
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if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
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OMPI_SINGLE_INT_2_FINT(outcount);
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OMPI_ARRAY_INT_2_FINT(array_of_indices, *incount);
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/* Increment indexes by one for fortran conventions */
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if (MPI_UNDEFINED != OMPI_FINT_2_INT(*outcount)) {
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for (i = 0; i < OMPI_FINT_2_INT(*outcount); ++i) {
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array_of_requests[OMPI_INT_2_FINT(array_of_indices[i])] =
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c_req[OMPI_INT_2_FINT(array_of_indices[i])]->req_f_to_c_index;
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++(OMPI_FINT_2_INT(array_of_indices[i]));
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}
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}
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if (!OMPI_IS_FORTRAN_STATUSES_IGNORE(array_of_statuses)) {
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for (i = 0; i < OMPI_FINT_2_INT(*incount); ++i) {
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if (!OMPI_IS_FORTRAN_STATUS_IGNORE(&array_of_statuses[i])) {
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MPI_Status_c2f(&c_status[i], &array_of_statuses[i * (sizeof(MPI_Status) / sizeof(int))]);
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}
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}
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}
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}
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free(c_req);
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}
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