71 строка
2.0 KiB
C
71 строка
2.0 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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* $COPYRIGHT$
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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 <stdio.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <string.h>
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#include "mpi/c/bindings.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Get_processor_name = PMPI_Get_processor_name
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Get_processor_name";
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int MPI_Get_processor_name(char *name, int *resultlen)
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{
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char tmp[MPI_MAX_PROCESSOR_NAME];
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int len;
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if ( MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if ( NULL == name ) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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if ( NULL == resultlen ) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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}
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/* A simple implementation of this function using gethostname*/
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gethostname (tmp, MPI_MAX_PROCESSOR_NAME);
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len = strlen (tmp);
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strncpy ( name, tmp, len);
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if ( MPI_MAX_PROCESSOR_NAME > len ) {
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*resultlen = len;
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name[len] = '\0';
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}
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else {
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*resultlen = MPI_MAX_PROCESSOR_NAME-1;
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name[MPI_MAX_PROCESSOR_NAME-1] = '\0';
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}
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return MPI_SUCCESS;
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}
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