source: rtems/testsuites/tmtests/tm17/task1.c @ 03f2154e

4.104.114.84.95
Last change on this file since 03f2154e was 03f2154e, checked in by Joel Sherrill <joel.sherrill@…>, on Apr 22, 1997 at 5:20:27 PM

headers updated to reflect new style copyright notice as part
of switching to the modified GNU GPL.

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/*
2 *
3 *  COPYRIGHT (c) 1989-1997.
4 *  On-Line Applications Research Corporation (OAR).
5 *  Copyright assigned to U.S. Government, 1994.
6 *
7 *  The license and distribution terms for this file may in
8 *  the file LICENSE in this distribution or at
9 *  http://www.OARcorp.com/rtems/license.html.
10 *
11 *  $Id$
12 */
13
14#define TEST_INIT
15#include "system.h"
16
17rtems_unsigned32 Task_count;
18rtems_task_priority Task_priority;
19
20rtems_task First_task(
21  rtems_task_argument argument
22);
23
24rtems_task Middle_tasks(
25  rtems_task_argument argument
26);
27
28rtems_task Last_task(
29  rtems_task_argument argument
30);
31
32rtems_task Init(
33  rtems_task_argument argument
34)
35{
36  rtems_task_entry  task_entry;
37  rtems_unsigned32  index;
38  rtems_status_code status;
39
40  Print_Warning();
41
42  puts( "\n\n*** TIME TEST 17 ***" );
43
44  Task_priority = 254;
45
46  for( index = 0; index <= OPERATION_COUNT ; index++ ) {
47    status = rtems_task_create(
48      rtems_build_name( 'T', 'I', 'M', 'E' ),
49      Task_priority,
50      RTEMS_MINIMUM_STACK_SIZE,
51      RTEMS_DEFAULT_MODES,
52      RTEMS_DEFAULT_ATTRIBUTES,
53      &Task_id[ index ]
54    );
55    directive_failed( status, "rtems_task_create loop" );
56
57    if ( index == OPERATION_COUNT ) task_entry = Last_task;
58    else if ( index == 0 )          task_entry = First_task;
59    else                            task_entry = Middle_tasks;
60
61    status = rtems_task_start( Task_id[ index ], task_entry, 0 );
62    directive_failed( status, "rtems_task_start loop" );
63  }
64
65  Task_count = 1;
66  status = rtems_task_delete( RTEMS_SELF );
67  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
68}
69
70rtems_task First_task(
71  rtems_task_argument argument
72)
73{
74  rtems_task_priority previous_priority;
75
76  Timer_initialize();
77
78  Task_priority--;
79  Task_count++;
80
81  (void) rtems_task_set_priority(
82           Task_id[ Task_count ],
83           Task_priority,
84           &previous_priority
85         );
86}
87
88rtems_task Middle_tasks(
89  rtems_task_argument argument
90)
91{
92  rtems_task_priority previous_priority;
93
94  Task_priority--;
95  Task_count++;
96
97  (void) rtems_task_set_priority(
98           Task_id[ Task_count ],
99           Task_priority,
100           &previous_priority
101         );
102}
103
104rtems_task Last_task(
105  rtems_task_argument argument
106)
107{
108  rtems_unsigned32 index;
109
110  end_time = Read_timer();
111
112  Timer_initialize();
113    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
114      (void) Empty_function();
115  overhead = Read_timer();
116
117  put_time(
118    "rtems_task_set_priority: preempts caller",
119    end_time,
120    OPERATION_COUNT,
121    overhead,
122    CALLING_OVERHEAD_TASK_SET_PRIORITY
123  );
124
125  puts( "*** END OF TEST 17 ***" );
126  exit( 0 );
127}
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