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/*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <tmacros.h>
#include "test_support.h"
#include <rtems/devfs.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
rtems_task Init(
rtems_task_argument argument
)
{
int status;
rtems_filesystem_location_info_t *temp_loc;
rtems_device_name_t *device_name_table;
int temp_size = 0;
struct stat statbuf;
puts( "\n\n*** TEST DEVFS02 ***" );
puts( "Init - attempt to create a fifo - expect EINVAL" );
status = mkfifo( "/fifo01", 0 );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == EINVAL );
/* Manipulate the root */
puts( "Init - set the device name table to NULL" );
temp_loc = &rtems_filesystem_root;
device_name_table = (rtems_device_name_t *)temp_loc->node_access;
temp_loc->node_access = NULL;
puts(" Init - attempt to create a node - expect EFAULT" );
status = mknod( "/node", S_IFBLK, 0LL );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == EFAULT );
/* This case actually stops at evaluation of path */
puts( "Init - attempt to stat a node - expect EFAULT" );
status = stat( "/", &statbuf );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == EFAULT );
puts( "Init - attempt to open a node" );
status = open( "/node", O_RDWR );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == EFAULT );
/* Now restore */
puts( "Init - restore the device name table" );
temp_loc->node_access = device_name_table;
/* Manipulate the device table size */
puts( "Init - set device table size to zero" );
temp_size = rtems_device_table_size;
rtems_device_table_size = 0;
puts( "Init - attempt to create a node - expect ENOMEM" );
status = mknod( "/node", S_IFBLK, 0LL );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == ENOMEM );
/* Now restore */
puts( "Init - restore device table size" );
rtems_device_table_size = temp_size;
puts( "Init - attempt to create /node -- OK" );
status = mknod( "/node", S_IFBLK, 0LL );
rtems_test_assert( status == 0 );
puts( "Init - attempt to create /node - expect EEXIST" );
status = mknod( "/node", S_IFBLK, 0LL );
rtems_test_assert( status == -1 );
rtems_test_assert( errno == EEXIST );
puts( "*** END OF TEST DEVFS02 ***" );
rtems_test_exit(0);
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 5
#define CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
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