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/*
* Copyright (c) 2001-2002 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.
*
* $HEADER$
*
* $Id: getprocname.c,v 6.6 2002/12/11 19:15:10 jsquyres Exp $
*
* Function: - get the host name
* Accepts: - name buffer (returned value)
* - ptr name length (returned value)
* Returns: - MPI_SUCCESS or error code
*/
#include <string.h>
#include <blktype.h>
#include <mpi.h>
#include <mpisys.h>
#include <terror.h>
#include <laminternal.h>
#include <lam_network.h>
/*@
MPI_Get_processor_name - Gets the name of the processor
Output Parameters:
+ name - A unique specifier for the actual (as opposed to virtual) node.
- len - Length (in characters) of the name
Notes:
LAM/MPI returns the value from 'gethostname'(3).
.N fortran
.N Errors
.N MPI_ERR_OTHER
.N ACK
@*/
int MPI_Get_processor_name(char *name, int *len)
{
lam_initerr();
lam_setfunc(BLKMPIGETPNAME);
if (lam_gethostname(name, MPI_MAX_PROCESSOR_NAME - 1)) {
return(lam_errfunc(MPI_COMM_WORLD, BLKMPIGETPNAME,
lam_mkerr(MPI_ERR_OTHER, errno)));
} else {
name[MPI_MAX_PROCESSOR_NAME - 1] = '\0';
*len = strlen(name);
}
lam_resetfunc(BLKMPIGETPNAME);
return(MPI_SUCCESS);
}
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