/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *  (C) 2001 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

/* simple test for multiple executables */

#include "mpi.h"

#include <stdio.h>

#ifdef HAVE_WINDOWS_H

#include <direct.h>

#else

#include <unistd.h>

#endif

#include <stdlib.h>

#define MAX_DIRNAME_SIZE 256 

int main( int argc, char *argv[], char *envp[] )

{

    int  i, myid, numprocs;

    int  namelen;

    char *p;

    char processor_name[MPI_MAX_PROCESSOR_NAME];

    char curr_wd[MAX_DIRNAME_SIZE];

    MPI_Init( &argc, &argv );

    MPI_Comm_size( MPI_COMM_WORLD, &numprocs );

    MPI_Comm_rank( MPI_COMM_WORLD, &myid );

    MPI_Get_processor_name( processor_name, &namelen );

    fprintf( stdout, "[%d] Process %d of %d (%s) is on %s\n",

	     myid, myid, numprocs, argv[0], processor_name );

    fflush( stdout );

    for ( i = 1; i < argc; i++ ) {

	fprintf( stdout, "[%d] argv[%d]=\"%s\"\n", myid, i, argv[i] ); 

	fflush( stdout );

    }

    getcwd( curr_wd, MAX_DIRNAME_SIZE ); 

    fprintf( stdout, "[%d] current working directory=%s\n", myid, curr_wd );

    p = getenv("PATH");

    if ( p )

	fprintf( stdout, "[%d] PATH=%s\n", myid, p );

    else

	fprintf( stdout, "[%d] PATH not set in environment\n", myid );

#ifdef PRINTENV

    /* may produce lots of output, but here if you need it */

    for ( i = 0; envp[i]; i++ )

	fprintf( stdout, "[%d] envp[%d]=%s\n", myid, i, envp[i] );

#endif

    MPI_Finalize( );

}