1 | /* |
---|
2 | * COPYRIGHT (c) 2011. |
---|
3 | * On-Line Applications Research Corporation (OAR). |
---|
4 | * |
---|
5 | * The license and distribution terms for this file may be |
---|
6 | * found in the file LICENSE in this distribution or at |
---|
7 | * http://www.rtems.org/license/LICENSE. |
---|
8 | */ |
---|
9 | |
---|
10 | #ifdef HAVE_CONFIG_H |
---|
11 | #include "config.h" |
---|
12 | #endif |
---|
13 | |
---|
14 | #include <tmacros.h> |
---|
15 | |
---|
16 | #include <rtems/score/threadimpl.h> |
---|
17 | |
---|
18 | const char rtems_test_name[] = "SPSIMPLESCHED 2"; |
---|
19 | |
---|
20 | /* forward declarations to avoid warnings */ |
---|
21 | rtems_task Init(rtems_task_argument argument); |
---|
22 | rtems_task Test_task(rtems_task_argument argument); |
---|
23 | void ObtainRelease(bool suspendIdle); |
---|
24 | |
---|
25 | /* |
---|
26 | * Keep the names and IDs in global variables so another task can use them. |
---|
27 | */ |
---|
28 | rtems_id Idle_id; |
---|
29 | rtems_id Task_id[ 3 ]; /* array of task ids */ |
---|
30 | rtems_name Task_name[ 3 ]; /* array of task names */ |
---|
31 | rtems_name Semaphore_name[ 2 ]; |
---|
32 | rtems_id Semaphore_id[ 2 ]; |
---|
33 | |
---|
34 | rtems_task Test_task( |
---|
35 | rtems_task_argument unused |
---|
36 | ) |
---|
37 | { |
---|
38 | rtems_id tid; |
---|
39 | rtems_status_code status; |
---|
40 | |
---|
41 | status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); |
---|
42 | directive_failed( status, "wake after" ); |
---|
43 | |
---|
44 | for ( ; ; ) { |
---|
45 | status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
---|
46 | directive_failed( status, "yield" ); |
---|
47 | } |
---|
48 | } |
---|
49 | |
---|
50 | void ObtainRelease( bool suspendIdle ) |
---|
51 | { |
---|
52 | rtems_status_code status; |
---|
53 | |
---|
54 | if (suspendIdle) { |
---|
55 | puts( "INIT - Suspend Idle Task"); |
---|
56 | status = rtems_task_suspend( Idle_id ); |
---|
57 | directive_failed( status, "rtems_task_suspend idle" ); |
---|
58 | } |
---|
59 | |
---|
60 | puts( "INIT - Obtain priority ceiling semaphore - priority increases" ); |
---|
61 | status= rtems_semaphore_obtain( Semaphore_id[1], RTEMS_DEFAULT_OPTIONS, 0 ); |
---|
62 | directive_failed( status, "rtems_semaphore_obtain" ); |
---|
63 | |
---|
64 | puts( "INIT - Obtain priority ceiling semaphore - priority decreases" ); |
---|
65 | status = rtems_semaphore_release( Semaphore_id[1] ); |
---|
66 | directive_failed( status, "rtems_semaphore_release" ); |
---|
67 | |
---|
68 | if (suspendIdle) { |
---|
69 | puts( "INIT - Resume Idle Task"); |
---|
70 | status = rtems_task_resume( Idle_id ); |
---|
71 | directive_failed( status, "rtems_task_resume idle" ); |
---|
72 | } |
---|
73 | } |
---|
74 | |
---|
75 | rtems_task Init( |
---|
76 | rtems_task_argument argument |
---|
77 | ) |
---|
78 | { |
---|
79 | rtems_status_code status; |
---|
80 | |
---|
81 | TEST_BEGIN(); |
---|
82 | |
---|
83 | status = _Objects_Name_to_id_u32( |
---|
84 | &_Thread_Internal_information.Objects, |
---|
85 | rtems_build_name( 'I', 'D', 'L', 'E' ), |
---|
86 | RTEMS_SEARCH_LOCAL_NODE, |
---|
87 | &Idle_id |
---|
88 | ); |
---|
89 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
---|
90 | |
---|
91 | /* |
---|
92 | * Create the semaphore. Then obtain and release the |
---|
93 | * semaphore with no other tasks running. |
---|
94 | */ |
---|
95 | puts( "INIT - Create priority ceiling semaphore" ); |
---|
96 | Semaphore_name[ 1 ] = rtems_build_name( 'S', 'M', '1', ' ' ); |
---|
97 | status = rtems_semaphore_create( |
---|
98 | Semaphore_name[ 1 ], |
---|
99 | 1, |
---|
100 | RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY_CEILING | RTEMS_PRIORITY, |
---|
101 | 2, |
---|
102 | &Semaphore_id[ 1 ] |
---|
103 | ); |
---|
104 | directive_failed( status, "rtems_semaphore_create of SM1" ); |
---|
105 | ObtainRelease( false ); |
---|
106 | |
---|
107 | /* |
---|
108 | * Create test task and obtain release the semaphore with |
---|
109 | * one other task running. |
---|
110 | */ |
---|
111 | puts( "INIT - create task 1" ); |
---|
112 | Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ); |
---|
113 | status = rtems_task_create( |
---|
114 | Task_name[ 1 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES, |
---|
115 | RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 1 ] |
---|
116 | ); |
---|
117 | status = rtems_task_start( Task_id[ 1 ], Test_task, 1 ); |
---|
118 | ObtainRelease( false ); |
---|
119 | |
---|
120 | /* |
---|
121 | * Create a a second test task and obtain release the semaphore |
---|
122 | * with both tasks running. |
---|
123 | */ |
---|
124 | puts( "INIT - create task 2" ); |
---|
125 | Task_name[ 1 ] = rtems_build_name( 'T', 'A', '2', ' ' ); |
---|
126 | status = rtems_task_create( |
---|
127 | Task_name[ 2 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES, |
---|
128 | RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 2 ] |
---|
129 | ); |
---|
130 | status = rtems_task_start( Task_id[ 2 ], Test_task, 1 ); |
---|
131 | ObtainRelease( false ); |
---|
132 | |
---|
133 | /* |
---|
134 | * Obtain and release the semaphore with the idle task suspended. |
---|
135 | */ |
---|
136 | ObtainRelease( true ); |
---|
137 | |
---|
138 | /* End the Test */ |
---|
139 | TEST_END(); |
---|
140 | rtems_test_exit(0); |
---|
141 | } |
---|
142 | |
---|
143 | /* configuration information */ |
---|
144 | |
---|
145 | #define CONFIGURE_SCHEDULER_SIMPLE |
---|
146 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
147 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
---|
148 | |
---|
149 | #define CONFIGURE_MAXIMUM_TASKS 3 |
---|
150 | #define CONFIGURE_MAXIMUM_SEMAPHORES 2 |
---|
151 | |
---|
152 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
---|
153 | |
---|
154 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
155 | |
---|
156 | #define CONFIGURE_EXTRA_TASK_STACKS (3 * RTEMS_MINIMUM_STACK_SIZE) |
---|
157 | #define CONFIGURE_INIT_TASK_PRIORITY 4 |
---|
158 | |
---|
159 | #define CONFIGURE_DISABLE_SMP_CONFIGURATION |
---|
160 | |
---|
161 | #define CONFIGURE_INIT |
---|
162 | #include <rtems/confdefs.h> |
---|
163 | /* end of include file */ |
---|