openmpi/ompi/runtime/ompi_mpi_io.c

/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2006 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */

#include "ompi_config.h"
#include "orte/mca/ns/ns_types.h"
#include "orte/mca/iof/iof.h"
#include "ompi/constants.h"

#if defined(__WINDOWS__)
#include <io.h>
#endif  /* defined(__WINDOWS__) */

int ompi_mpi_init_io(void)
{
    int fds[2];
    int rc;

    /* We need to add a NULL component for iof. Until then, this will have to do */
    /* setup stdin */
    rc = pipe(fds);
    if(rc < 0) {
        return OMPI_ERR_OUT_OF_RESOURCE;
    }
    dup2(fds[0], 0);
    close(fds[0]);

    rc = mca_iof.iof_publish(
        OMPI_PROC_MY_NAME,
        MCA_IOF_SINK,
        MCA_IOF_STDIN,
        fds[1]);
    if(rc != OMPI_SUCCESS)
        return rc;
 
    /* setup stdout */
    rc = pipe(fds);
    if(rc < 0) {
        return OMPI_ERR_OUT_OF_RESOURCE;
    }
    dup2(fds[1], 1);
    close(fds[1]);

    rc = mca_iof.iof_publish(
        OMPI_PROC_MY_NAME,
        MCA_IOF_SOURCE,
        MCA_IOF_STDOUT,
        fds[0]);
    if(rc != OMPI_SUCCESS)
        return rc;
 
    /* setup stderr */
    rc = pipe(fds);
    if(rc < 0) {
        return OMPI_ERR_OUT_OF_RESOURCE;
    }
    dup2(fds[1], 2);
    close(fds[1]);

    rc = mca_iof.iof_publish(
        OMPI_PROC_MY_NAME,
        MCA_IOF_SOURCE,
        MCA_IOF_STDERR,
        fds[0]);
    if(rc != OMPI_SUCCESS)
        return rc;

    return OMPI_SUCCESS;
}