vchoi_fork

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * Copyright by The HDF Group.                                               *

 * All rights reserved.                                                      *

 *                                                                           *

 * This file is part of HDF5.  The full HDF5 copyright notice, including     *

 * terms governing use, modification, and redistribution, is contained in    *

 * the COPYING file, which can be found at the root of the source code       *

 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *

 * If you do not have access to either file, you may request a copy from     *

 * help@hdfgroup.org.                                                        *

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

​

#include "h5test.h"

​

/* This test uses many POSIX things that are not available on

 * Windows. We're using a check for fork(2) here as a proxy for

 * all POSIX/Unix/Linux things until this test can be made

 * more platform-independent.

 */

#ifdef H5_HAVE_FORK

​

#include "use.h"

​

#define H5D_FRIEND      /*suppress error about including H5Dpkg   */

#define H5D_TESTING

#include "H5Dpkg.h"

​

void

usage(const char *prog)

{

    HDfprintf(stderr, "usage: %s [OPTIONS]\n", prog);

    HDfprintf(stderr, "  OPTIONS\n");

    HDfprintf(stderr, "     -h, --help            Print a usage message and exit\n");

    HDfprintf(stderr, "     -f FN                 Test file name [default: %s.h5]\n", prog);

    HDfprintf(stderr, "     -i N, --iteration=N   Number of iterations to repeat the whole thing. [default: 1]\n");

    HDfprintf(stderr, "     -l w|r                launch writer or reader only. [default: launch both]\n");

    HDfprintf(stderr, "     -n N, --nplanes=N     Number of planes to write/read. [default: 1000]\n");

    HDfprintf(stderr, "     -s N, --swmr=N        Use SWMR mode (0: no, non-0: yes) default is yes\n");

    HDfprintf(stderr, "     -z N, --chunksize=N   Chunk size [default: %d]\n", Chunksize_DFT);

    HDfprintf(stderr, "     -y N, --chunkplanes=N Number of planes per chunk [default: 1]\n");

    HDfprintf(stderr, "\n");

} /* end usage() */

​

/* Setup Use Case parameters by parsing command line options.

* Setup default values if not set by options. */

int

parse_option(int argc, char * const argv[])

{

    int ret_value=0;

    int c;

    int use_swmr;       /* Need an int to detect errors */