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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [samples/] [unlimited/] [test3.c] - Blame information for rev 484

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1 30 unneback
/*  Init
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 *
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 *  This routine is the initialization task for this test program.
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 *  It is called from init_exec and has the responsibility for creating
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 *  and starting the tasks that make up the test.  If the time of day
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 *  clock is required for the test, it should also be set to a known
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 *  value by this function.
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 *
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 *  Input parameters:  NONE
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 *
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 *  Output parameters:  NONE
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 *
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 *  COPYRIGHT (c) 1989-1997.
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 *  On-Line Applications Research Corporation (OAR).
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 *  Copyright assigned to U.S. Government, 1994.
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 *
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 *  The license and distribution terms for this file may in
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 *  the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: test3.c,v 1.2 2001-09-27 12:02:29 chris Exp $
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 */
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#include "system.h"
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#include <stdio.h>
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void test3()
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{
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  rtems_status_code   result;
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  rtems_unsigned32    remove_task;
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  rtems_unsigned32    block;
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  rtems_unsigned32    task_count = 0;
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  char               c1 = 'a';
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  char               c2 = 'a';
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  char               c3 = '0';
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  char               c4 = '0';
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  printf( "\n TEST3 : free more than 3 x allocation size, but not the same block,\n"
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            "         then free a block\n");
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  /*
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   *  Check the value of the allocation unit
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   */
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  if (TASK_ALLOCATION_SIZE < 4)
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  {
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    printf( " FAIL3 : task allocation size must be greater than 4.\n");
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    exit( 1 );
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  }
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   /*
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   *  Allocate as many tasks as possible.
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   */
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  while (task_count < MAX_TASKS)
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  {
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    rtems_name name;
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    printf(" TEST3 : creating task '%c%c%c%c', ", c1, c2, c3, c4);
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    name = rtems_build_name(c1, c2, c3, c4);
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    result = rtems_task_create(name,
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                               10,
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                               RTEMS_MINIMUM_STACK_SIZE,
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                               RTEMS_DEFAULT_ATTRIBUTES,
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                               RTEMS_LOCAL,
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                               &task_id[task_count]);
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    if (status_code_bad(result))
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      break;
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    printf("number = %3i, id = %08x, starting, ", task_count, task_id[task_count]);
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    fflush(stdout);
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    result = rtems_task_start(task_id[task_count],
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                              test_task,
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                              (rtems_task_argument) task_count);
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    if (status_code_bad(result))
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      break;
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    /*
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     *  Update the name.
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     */
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    NEXT_TASK_NAME(c1, c2, c3, c4);
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    task_count++;
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  }
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  /*
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   *  Take out 3 tasks from each block of allocated tasks. Do this for
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   *  allocation size number of blocks.
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   */
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  if (task_count < (TASK_ALLOCATION_SIZE * 11))
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  {
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    printf( " FAIL3 : not enough tasks created -\n"
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            "         task created = %i, required number = %i\n",
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            task_count, (TASK_ALLOCATION_SIZE * 11));
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    exit( 1 );
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  }
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  for (block = 0; block < TASK_ALLOCATION_SIZE; block++)
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  {
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    for (remove_task = ((block * TASK_ALLOCATION_SIZE) - TASK_INDEX_OFFSET);
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         remove_task < (((block * TASK_ALLOCATION_SIZE) + 3) - TASK_INDEX_OFFSET);
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         remove_task++)
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    {
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      if (!task_id[remove_task])
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      {
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        printf( " FAIL3 : remove task has a 0 id -\n"
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                "         task number = %i\n",
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                remove_task);
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        exit( 1 );
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      }
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      printf(" TEST3 : remove, signal task %08x, ", task_id[remove_task]);
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      rtems_event_send(task_id[remove_task], 1);
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      task_id[remove_task] = 0;
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    }
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  }
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  /*
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   *  Remove a complete block, not the first, forces a scan of the blocks in the
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   *  allocator's free routine
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   */
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  for (remove_task = (TASK_ALLOCATION_SIZE - TASK_INDEX_OFFSET);
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       remove_task < ((TASK_ALLOCATION_SIZE * 2) - - TASK_INDEX_OFFSET);
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       remove_task++)
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  {
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    if (task_id[remove_task])
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    {
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      printf(" TEST3 : remove, signal task %08x, ", task_id[remove_task]);
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      rtems_event_send(task_id[remove_task], 1);
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      task_id[remove_task] = 0;
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    }
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  }
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  destory_all_tasks("TEST3");
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  printf( " TEST3 : completed\n" );
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}

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