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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [tests/] [tmtests/] [tm16/] [task1.c] - Blame information for rev 1771

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/*
 *
 *  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 test_init(
  rtems_task_argument argument
);
 
rtems_task Middle_tasks(
  rtems_task_argument argument
);
 
rtems_task High_task(
  rtems_task_argument argument
);
 
rtems_task Init(
  rtems_task_argument argument
)
{
  rtems_id          id;
  rtems_status_code status;
 
  Print_Warning();
 
  puts( "\n\n*** TIME TEST 16 ***" );
 
  status = rtems_task_create(
    rtems_build_name( 'T', 'E', 'S', 'T' ),
    251,
    RTEMS_MINIMUM_STACK_SIZE,
    RTEMS_DEFAULT_MODES,
    RTEMS_DEFAULT_ATTRIBUTES,
    &id
  );
  directive_failed( status, "rtems_task_create of test_init" );
 
  status = rtems_task_start( id, test_init, 0 );
  directive_failed( status, "rtems_task_start of test_init" );
 
  status = rtems_task_delete( RTEMS_SELF );
  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
 
rtems_task test_init(
  rtems_task_argument argument
)
{
  rtems_task_priority priority;
  rtems_status_code   status;
  rtems_unsigned32    index;
  rtems_task_entry    task_entry;
 
/*  As each task is started, it preempts this task and
 *  performs a blocking rtems_event_receive.  Upon completion of
 *  this loop all created tasks are blocked.
 */
 
  priority = 250;
 
  for( index = 0 ; index <= OPERATION_COUNT ; index++ ) {
    status = rtems_task_create(
      rtems_build_name( 'M', 'I', 'D', ' ' ),
      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 = High_task;
    else                             task_entry = Middle_tasks;
 
    status = rtems_task_start( Task_id[ index ], task_entry, 0 );
    directive_failed( status, "rtems_task_start LOOP" );
 
    priority--;
  }
 
  Task_count = 0;
 
  Timer_initialize();
    (void) rtems_event_send( Task_id[ Task_count ], RTEMS_EVENT_16 );
  /* preempts task */
}
 
rtems_task Middle_tasks(
  rtems_task_argument argument
)
{
  rtems_event_set event_out;
 
  (void) rtems_event_receive(              /* task blocks */
           RTEMS_EVENT_16,
           RTEMS_DEFAULT_OPTIONS,
           RTEMS_NO_TIMEOUT,
           &event_out
         );
 
  Task_count++;
 
  (void) rtems_event_send(               /* preempts task */
    Task_id[ Task_count ],
    RTEMS_EVENT_16
  );
}
 
rtems_task High_task(
  rtems_task_argument argument
)
{
  rtems_event_set event_out;
 
  (void) rtems_event_receive(                /* task blocks */
            RTEMS_EVENT_16,
            RTEMS_DEFAULT_OPTIONS,
            RTEMS_NO_TIMEOUT,
            &event_out
          );
 
  end_time = Read_timer();
 
  put_time(
    "rtems_event_send: task readied -- preempts caller",
    end_time,
    OPERATION_COUNT,
    0,
    CALLING_OVERHEAD_EVENT_SEND
  );
 
  puts( "*** END OF TEST 16 ***" );
  rtems_test_exit( 0 );
}

Line No.	Rev	Author	Line
1	1026	ivang	`/*`
2			`*`
3			`* COPYRIGHT (c) 1989-1999.`
4			`* On-Line Applications Research Corporation (OAR).`
5			`*`
6			`* The license and distribution terms for this file may be`
7			`* found in the file LICENSE in this distribution or at`
8			`* http://www.OARcorp.com/rtems/license.html.`
9			`*`
10			`* task1.c,v 1.10 2002/08/02 00:52:36 joel Exp`
11			`*/`
12
13			`#define TEST_INIT`
14			`#include "system.h"`
15
16			`rtems_unsigned32 Task_count;`
17
18			`rtems_task test_init(`
19			`rtems_task_argument argument`
20			`);`
21
22			`rtems_task Middle_tasks(`
23			`rtems_task_argument argument`
24			`);`
25
26			`rtems_task High_task(`
27			`rtems_task_argument argument`
28			`);`
29
30			`rtems_task Init(`
31			`rtems_task_argument argument`
32			`)`
33			`{`
34			`rtems_id id;`
35			`rtems_status_code status;`
36
37			`Print_Warning();`
38
39			`puts( "\n\n* TIME TEST 16 *" );`
40
41			`status = rtems_task_create(`
42			`rtems_build_name( 'T', 'E', 'S', 'T' ),`
43			`251,`
44			`RTEMS_MINIMUM_STACK_SIZE,`
45			`RTEMS_DEFAULT_MODES,`
46			`RTEMS_DEFAULT_ATTRIBUTES,`
47			`&id`
48			`);`
49			`directive_failed( status, "rtems_task_create of test_init" );`
50
51			`status = rtems_task_start( id, test_init, 0 );`
52			`directive_failed( status, "rtems_task_start of test_init" );`
53
54			`status = rtems_task_delete( RTEMS_SELF );`
55			`directive_failed( status, "rtems_task_delete of RTEMS_SELF" );`
56			`}`
57
58			`rtems_task test_init(`
59			`rtems_task_argument argument`
60			`)`
61			`{`
62			`rtems_task_priority priority;`
63			`rtems_status_code status;`
64			`rtems_unsigned32 index;`
65			`rtems_task_entry task_entry;`
66
67			`/* As each task is started, it preempts this task and`
68			`* performs a blocking rtems_event_receive. Upon completion of`
69			`* this loop all created tasks are blocked.`
70			`*/`
71
72			`priority = 250;`
73
74			`for( index = 0 ; index <= OPERATION_COUNT ; index++ ) {`
75			`status = rtems_task_create(`
76			`rtems_build_name( 'M', 'I', 'D', ' ' ),`
77			`priority,`
78			`RTEMS_MINIMUM_STACK_SIZE,`
79			`RTEMS_DEFAULT_MODES,`
80			`RTEMS_DEFAULT_ATTRIBUTES,`
81			`&Task_id[ index ]`
82			`);`
83			`directive_failed( status, "rtems_task_create LOOP" );`
84
85			`if ( index == OPERATION_COUNT ) task_entry = High_task;`
86			`else task_entry = Middle_tasks;`
87
88			`status = rtems_task_start( Task_id[ index ], task_entry, 0 );`
89			`directive_failed( status, "rtems_task_start LOOP" );`
90
91			`priority--;`
92			`}`
93
94			`Task_count = 0;`
95
96			`Timer_initialize();`
97			`(void) rtems_event_send( Task_id[ Task_count ], RTEMS_EVENT_16 );`
98			`/* preempts task */`
99			`}`
100
101			`rtems_task Middle_tasks(`
102			`rtems_task_argument argument`
103			`)`
104			`{`
105			`rtems_event_set event_out;`
106
107			`(void) rtems_event_receive( /* task blocks */`
108			`RTEMS_EVENT_16,`
109			`RTEMS_DEFAULT_OPTIONS,`
110			`RTEMS_NO_TIMEOUT,`
111			`&event_out`
112			`);`
113
114			`Task_count++;`
115
116			`(void) rtems_event_send( /* preempts task */`
117			`Task_id[ Task_count ],`
118			`RTEMS_EVENT_16`
119			`);`
120			`}`
121
122			`rtems_task High_task(`
123			`rtems_task_argument argument`
124			`)`
125			`{`
126			`rtems_event_set event_out;`
127
128			`(void) rtems_event_receive( /* task blocks */`
129			`RTEMS_EVENT_16,`
130			`RTEMS_DEFAULT_OPTIONS,`
131			`RTEMS_NO_TIMEOUT,`
132			`&event_out`
133			`);`
134
135			`end_time = Read_timer();`
136
137			`put_time(`
138			`"rtems_event_send: task readied -- preempts caller",`
139			`end_time,`
140			`OPERATION_COUNT,`
141			`0,`
142			`CALLING_OVERHEAD_EVENT_SEND`
143			`);`
144
145			`puts( "* END OF TEST 16 *" );`
146			`rtems_test_exit( 0 );`
147			`}`

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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [tests/] [tmtests/] [tm16/] [task1.c] - Blame information for rev 1771