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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_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 );
}

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			`rtems_task_priority Task_priority;`
18
19			`rtems_task First_task(`
20			`rtems_task_argument argument`
21			`);`
22
23			`rtems_task Middle_tasks(`
24			`rtems_task_argument argument`
25			`);`
26
27			`rtems_task Last_task(`
28			`rtems_task_argument argument`
29			`);`
30
31			`rtems_task Init(`
32			`rtems_task_argument argument`
33			`)`
34			`{`
35			`rtems_task_entry task_entry;`
36			`rtems_unsigned32 index;`
37			`rtems_status_code status;`
38
39			`Print_Warning();`
40
41			`puts( "\n\n* TIME TEST 17 *" );`
42
43			`Task_priority = 254;`
44
45			`for( index = 0; index <= OPERATION_COUNT ; index++ ) {`
46			`status = rtems_task_create(`
47			`rtems_build_name( 'T', 'I', 'M', 'E' ),`
48			`Task_priority,`
49			`RTEMS_MINIMUM_STACK_SIZE,`
50			`RTEMS_DEFAULT_MODES,`
51			`RTEMS_DEFAULT_ATTRIBUTES,`
52			`&Task_id[ index ]`
53			`);`
54			`directive_failed( status, "rtems_task_create loop" );`
55
56			`if ( index == OPERATION_COUNT ) task_entry = Last_task;`
57			`else if ( index == 0 ) task_entry = First_task;`
58			`else task_entry = Middle_tasks;`
59
60			`status = rtems_task_start( Task_id[ index ], task_entry, 0 );`
61			`directive_failed( status, "rtems_task_start loop" );`
62			`}`
63
64			`Task_count = 1;`
65			`status = rtems_task_delete( RTEMS_SELF );`
66			`directive_failed( status, "rtems_task_delete of RTEMS_SELF" );`
67			`}`
68
69			`rtems_task First_task(`
70			`rtems_task_argument argument`
71			`)`
72			`{`
73			`rtems_task_priority previous_priority;`
74
75			`Timer_initialize();`
76
77			`Task_priority--;`
78			`Task_count++;`
79
80			`(void) rtems_task_set_priority(`
81			`Task_id[ Task_count ],`
82			`Task_priority,`
83			`&previous_priority`
84			`);`
85			`}`
86
87			`rtems_task Middle_tasks(`
88			`rtems_task_argument argument`
89			`)`
90			`{`
91			`rtems_task_priority previous_priority;`
92
93			`Task_priority--;`
94			`Task_count++;`
95
96			`(void) rtems_task_set_priority(`
97			`Task_id[ Task_count ],`
98			`Task_priority,`
99			`&previous_priority`
100			`);`
101			`}`
102
103			`rtems_task Last_task(`
104			`rtems_task_argument argument`
105			`)`
106			`{`
107			`rtems_unsigned32 index;`
108
109			`end_time = Read_timer();`
110
111			`Timer_initialize();`
112			`for ( index=1 ; index <= OPERATION_COUNT ; index++ )`
113			`(void) Empty_function();`
114			`overhead = Read_timer();`
115
116			`put_time(`
117			`"rtems_task_set_priority: preempts caller",`
118			`end_time,`
119			`OPERATION_COUNT,`
120			`overhead,`
121			`CALLING_OVERHEAD_TASK_SET_PRIORITY`
122			`);`
123
124			`puts( "* END OF TEST 17 *" );`
125			`rtems_test_exit( 0 );`
126			`}`

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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [tests/] [tmtests/] [tm17/] [task1.c] - Blame information for rev 1026