Subversion Repositories or1k

/*
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  task1.c,v 1.10 2002/08/02 00:52:36 joel Exp
 */
 
#define TEST_INIT
#include "system.h"
 
rtems_unsigned32 Task_count;
rtems_task_priority Task_priority;
 
rtems_task First_task(
  rtems_task_argument argument
);
 
rtems_task Middle_tasks(
  rtems_task_argument argument
);
 
rtems_task Last_task(
  rtems_task_argument argument
);
 
rtems_task Init(
  rtems_task_argument argument
)
{
  rtems_task_entry  task_entry;
  rtems_unsigned32  index;
  rtems_status_code status;
 
  Print_Warning();
 
  puts( "\n\n*** TIME TEST 17 ***" );
 
  Task_priority = 254;
 
  for( index = 0; index <= OPERATION_COUNT ; index++ ) {
    status = rtems_task_create(
      rtems_build_name( 'T', 'I', 'M', 'E' ),
      Task_priority,
      RTEMS_MINIMUM_STACK_SIZE,
      RTEMS_DEFAULT_MODES,
      RTEMS_DEFAULT_ATTRIBUTES,
      &Task_id[ index ]
    );
    directive_failed( status, "rtems_task_create loop" );
 
    if ( index == OPERATION_COUNT ) task_entry = Last_task;
    else if ( index == 0 )          task_entry = First_task;
    else                            task_entry = Middle_tasks;
 
    status = rtems_task_start( Task_id[ index ], task_entry, 0 );
    directive_failed( status, "rtems_task_start loop" );
  }
 
  Task_count = 1;
  status = rtems_task_delete( RTEMS_SELF );
  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
 
rtems_task First_task(
  rtems_task_argument argument
)
{
  rtems_task_priority previous_priority;
 
  Timer_initialize();
 
  Task_priority--;
  Task_count++;
 
  (void) rtems_task_set_priority(
           Task_id[ Task_count ],
           Task_priority,
           &previous_priority
         );
}
 
rtems_task Middle_tasks(
  rtems_task_argument argument
)
{
  rtems_task_priority previous_priority;
 
  Task_priority--;
  Task_count++;
 
  (void) rtems_task_set_priority(
           Task_id[ Task_count ],
           Task_priority,
           &previous_priority
         );
}
 
rtems_task Last_task(
  rtems_task_argument argument
)
{
  rtems_unsigned32 index;
 
  end_time = Read_timer();
 
  Timer_initialize();
    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
      (void) Empty_function();
  overhead = Read_timer();
 
  put_time(
    "rtems_task_set_priority: preempts caller",
    end_time,
    OPERATION_COUNT,
    overhead,
    CALLING_OVERHEAD_TASK_SET_PRIORITY
  );
 
  puts( "*** END OF TEST 17 ***" );
  rtems_test_exit( 0 );
}