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/*
 *  COPYRIGHT (c) 1989-2011.
 *  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.
 */

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

#include <tmacros.h>
#include "test_support.h"
#include <rtems/libio_.h>
#include <rtems/malloc.h>
#include <rtems/libcsupport.h>

/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);
rtems_task task_routine(rtems_task_argument not_used);

rtems_task task_routine(rtems_task_argument not_used)
{
  rtems_status_code sc;

  puts( "task_routine - setting up a private environment" );

  sc = rtems_libio_set_private_env();
  directive_failed( sc, "set private env" );
  sleep( 1 );

  rtems_task_delete( RTEMS_SELF );
}

rtems_task Init(
  rtems_task_argument argument
)
{
  rtems_status_code       sc;
  void                   *opaque;
  rtems_id                current_task_id;
  rtems_id                task_id;
  rtems_name              another_task_name;

  puts( "\n\n*** TEST USER ENVIRONMENT ROUTINE - 01 ***" );

  puts( "Init - allocating most of heap -- OK" );
  opaque = rtems_heap_greedy_allocate( 0 );

  puts( "Init - attempt to reset env - expect RTEMS_NO_MEMORY" );
  sc = rtems_libio_set_private_env();
  rtems_test_assert( sc == RTEMS_NO_MEMORY );

  puts( "Init - freeing the allocated memory" );
  rtems_heap_greedy_free( opaque );

  puts( "Init - allocating most of workspace memory" );
  opaque = rtems_workspace_greedy_allocate( 0 );
  
  puts( "Init - attempt to reset env - expect RTEMS_TOO_MANY" );
  sc = rtems_libio_set_private_env();
  rtems_test_assert( sc == RTEMS_TOO_MANY );

  puts( "Init - freeing the workspace memory" );
  rtems_workspace_greedy_free( opaque );

  puts( "Init - creating a task name and a task -- OK" );

  another_task_name = 
    rtems_build_name( 'T','S','K','D' );

  sc = rtems_task_create( another_task_name,
			  1,
			  RTEMS_MINIMUM_STACK_SIZE * 2,
			  RTEMS_INTERRUPT_LEVEL(31),
			  RTEMS_DEFAULT_ATTRIBUTES,
			  &task_id
			  );

  puts( "Init - starting the task_routine, to set its private environment" );
  sc = rtems_task_start( task_id, task_routine, 0);
  rtems_test_assert( sc == RTEMS_SUCCESSFUL );

  puts( "Init - attempt to share the env with another task -- Expect error" );
  sc = rtems_libio_share_private_env( task_id );
  rtems_test_assert( sc == RTEMS_UNSATISFIED );

  sleep( 1 );

  puts( "Init - attempt to share the env with another task -- OK" );
  sc = rtems_libio_share_private_env( task_id );
  rtems_test_assert( sc == RTEMS_SUCCESSFUL );
  rtems_test_assert( rtems_current_user_env->task_id == task_id );

  puts( "Init - Get current task id" );
  current_task_id = rtems_task_self();

  puts( "Init - Attempt to reset current task's environment" );
  sc = rtems_libio_set_private_env();
  rtems_test_assert( sc == RTEMS_SUCCESSFUL );
  rtems_test_assert( rtems_current_user_env->task_id == current_task_id );
  
  puts( "Init - attempt to share the env with another task -- OK" );
  sc = rtems_libio_share_private_env( task_id );
  rtems_test_assert( sc == RTEMS_SUCCESSFUL );
  rtems_test_assert( rtems_current_user_env->task_id == task_id );

  puts( "Init - attempt to share with self -- OK" );
  sc = rtems_libio_share_private_env( task_id );
  rtems_test_assert( sc == RTEMS_SUCCESSFUL );

  puts( "*** END OF TEST USER ENVIRONMENT ROUTINE - 01 ***" );

  rtems_test_exit(0);
}

/* configuration information */

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER

#define CONFIGURE_MAXIMUM_TASKS             3
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INIT

#include <rtems/confdefs.h>
/* end of file */