forked from Imagelibrary/rtems
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/*
|
|
* COPYRIGHT (c) 1989-2012.
|
|
* On-Line Applications Research Corporation (OAR).
|
|
*
|
|
* Modifications to support reference counting in the file system are
|
|
* Copyright (c) 2012 embedded brains GmbH.
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://www.rtems.org/license/LICENSE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "test_support.h"
|
|
|
|
#include <tmacros.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <rtems/devfs.h>
|
|
#include <rtems/malloc.h>
|
|
|
|
const char rtems_test_name[] = "DEVFS 2";
|
|
|
|
/* forward declarations to avoid warnings */
|
|
rtems_task Init(rtems_task_argument argument);
|
|
|
|
rtems_task Init(
|
|
rtems_task_argument argument
|
|
)
|
|
{
|
|
int status;
|
|
rtems_filesystem_location_info_t *rootloc = &rtems_filesystem_root->location;
|
|
const devFS_data *data = rootloc->mt_entry->immutable_fs_info;
|
|
devFS_data zero_count_data = {
|
|
.nodes = data->nodes,
|
|
.count = 0
|
|
};
|
|
void *opaque;
|
|
|
|
TEST_BEGIN();
|
|
|
|
puts( "Init - attempt to create a fifo - expect ENOTSUP" );
|
|
status = mkfifo( "/fifo01", 0 );
|
|
rtems_test_assert( status == -1 );
|
|
rtems_test_assert( errno == ENOTSUP );
|
|
|
|
/* Manipulate the device table size */
|
|
puts( "Init - set device table size to zero" );
|
|
rootloc->mt_entry->immutable_fs_info = &zero_count_data;
|
|
|
|
puts( "Init - attempt to create a node - expect ENOSPC" );
|
|
status = mknod( "/node", S_IFBLK, 0LL );
|
|
rtems_test_assert( status == -1 );
|
|
rtems_test_assert( errno == ENOSPC );
|
|
|
|
/* Now restore */
|
|
puts( "Init - restore device table size" );
|
|
rootloc->mt_entry->immutable_fs_info = data;
|
|
|
|
opaque = rtems_heap_greedy_allocate( NULL, 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 );
|
|
|
|
rtems_heap_greedy_free( opaque );
|
|
|
|
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 );
|
|
|
|
TEST_END();
|
|
|
|
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_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
|
|
|
|
#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 */
|