rtems/testsuites/fstests/fsdosfssync01/init.c

/* SPDX-License-Identifier: BSD-2-Clause */

/*
 * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "tmacros.h"

#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <fcntl.h>

#include <rtems/libio.h>
#include <rtems/blkdev.h>
#include <rtems/dosfs.h>
#include <rtems/ramdisk.h>

const char rtems_test_name[] = "FSDOSFSSYNC 1";

static void create_file(const char *file)
{
  int fd;
  int rv;

  fd = creat(file, S_IRWXU | S_IRWXG | S_IRWXO);
  rtems_test_assert(fd >= 0);

  rv = fsync(fd);
  rtems_test_assert(rv == 0);

  rv = close(fd);
  rtems_test_assert(rv == 0);
}

static void write_to_file(const char *file, bool sync)
{
  int fd;
  char buf [1];
  ssize_t n;
  off_t pos;
  int rv;

  fd = open(file, O_RDWR);
  rtems_test_assert(fd >= 0);

  n = write(fd, buf, sizeof(buf));
  rtems_test_assert(n == (ssize_t) sizeof(buf));

  pos = lseek(fd, 0, SEEK_END);
  rtems_test_assert(pos == sizeof(buf));

  if (sync) {
    rv = fsync(fd);
    rtems_test_assert(rv == 0);
  }

  rv = close(fd);
  rtems_test_assert(rv == 0);
}

static void check_file_size(const char *file, off_t size)
{
  int fd;
  off_t pos;
  int rv;

  fd = open(file, O_RDWR);
  rtems_test_assert(fd >= 0);

  pos = lseek(fd, 0, SEEK_END);
  rtems_test_assert(pos == size);

  rv = close(fd);
  rtems_test_assert(rv == 0);
}

static void test(const char *rda, const char *mnt, const char *file)
{
  static const msdos_format_request_param_t rqdata = {
    .quick_format = true,
    .sync_device = true
  };

  int disk_fd;
  int rv;

  disk_fd = open(rda, O_RDWR);
  rtems_test_assert(disk_fd >= 0);

  rv = msdos_format(rda, &rqdata);
  rtems_test_assert(rv == 0);

  rv = mount_and_make_target_path(
    rda,
    mnt,
    RTEMS_FILESYSTEM_TYPE_DOSFS,
    RTEMS_FILESYSTEM_READ_WRITE,
    NULL
  );
  rtems_test_assert(rv == 0);

  create_file(file);
  rv = rtems_disk_fd_purge(disk_fd);
  rtems_test_assert(rv == 0);

  write_to_file(file, false);
  rv = rtems_disk_fd_purge(disk_fd);
  rtems_test_assert(rv == 0);
  check_file_size(file, 0);

  write_to_file(file, true);
  rv = rtems_disk_fd_purge(disk_fd);
  rtems_test_assert(rv == 0);
  check_file_size(file, 1);

  rv = unmount(mnt);
  rtems_test_assert(rv == 0);

  rv = close(disk_fd);
  rtems_test_assert(rv == 0);
}

static void Init(rtems_task_argument arg)
{
  TEST_BEGIN();

  test("/dev/rda", "/mnt", "/mnt/file");

  TEST_END();
  rtems_test_exit(0);
}

rtems_ramdisk_config rtems_ramdisk_configuration [] = {
  { .block_size = 512, .block_num = 1024 }
};

size_t rtems_ramdisk_configuration_size = 1;

#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_EXTRA_DRIVERS RAMDISK_DRIVER_TABLE_ENTRY
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK

#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 6

#define CONFIGURE_FILESYSTEM_DOSFS

#define CONFIGURE_MAXIMUM_TASKS 2

#define CONFIGURE_EXTRA_TASK_STACKS (8 * 1024)

#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT

#define CONFIGURE_INIT

#include <rtems/confdefs.h>