task1.c

来自「RTEMS (Real-Time Executive for Multiproc」· C语言 代码 · 共 44 行

/*  task1.c
 *
 *  This set of three tasks do some simple task switching for about
 *  15 seconds and then call a routine to "blow the stack".
 *
 *  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.rtems.com/license/LICENSE.
 *
 *  $Id: task1.c,v 1.7.8.1 2003/09/04 18:46:13 joel Exp $
 */

#include "system.h"

rtems_task Task_1_through_3(
  rtems_task_argument argument
)
{
  rtems_id          tid;
  rtems_time_of_day time;
  rtems_status_code status;

  status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid );
  directive_failed( status, "rtems_task_ident" );

  while( FOREVER ) {
    status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );
    directive_failed( status, "rtems_clock_get" );

    if ( time.second >= 15 && tid == Task_id[ 1 ] ) {
       blow_stack();
    }

    put_name( Task_name[ task_number( tid ) ], FALSE );
    print_time( " - rtems_clock_get - ", &time, "\n" );

    status = rtems_task_wake_after( task_number( tid ) * 5 * TICKS_PER_SECOND );
    directive_failed( status, "rtems_task_wake_after" );
  }
}