1 | /** |
---|
2 | * @file |
---|
3 | * |
---|
4 | * @ingroup ClassicTasksImpl |
---|
5 | * |
---|
6 | * @brief Classic Tasks Manager Implementation |
---|
7 | */ |
---|
8 | |
---|
9 | /* COPYRIGHT (c) 1989-2014. |
---|
10 | * On-Line Applications Research Corporation (OAR). |
---|
11 | * |
---|
12 | * The license and distribution terms for this file may be |
---|
13 | * found in the file LICENSE in this distribution or at |
---|
14 | * http://www.rtems.org/license/LICENSE. |
---|
15 | */ |
---|
16 | |
---|
17 | #ifndef _RTEMS_RTEMS_TASKSIMPL_H |
---|
18 | #define _RTEMS_RTEMS_TASKSIMPL_H |
---|
19 | |
---|
20 | #include <rtems/rtems/tasksdata.h> |
---|
21 | #include <rtems/score/objectimpl.h> |
---|
22 | #include <rtems/score/schedulerimpl.h> |
---|
23 | #include <rtems/score/threadimpl.h> |
---|
24 | |
---|
25 | #ifdef __cplusplus |
---|
26 | extern "C" { |
---|
27 | #endif |
---|
28 | |
---|
29 | /** |
---|
30 | * @defgroup ClassicTasksImpl Classic Tasks Manager Implementation |
---|
31 | * |
---|
32 | * @ingroup ClassicTasks |
---|
33 | * |
---|
34 | * @{ |
---|
35 | */ |
---|
36 | |
---|
37 | /** |
---|
38 | * @brief RTEMS User Task Initialization |
---|
39 | * |
---|
40 | * This routine creates and starts all configured user |
---|
41 | * initialization threads. |
---|
42 | */ |
---|
43 | void _RTEMS_tasks_Initialize_user_tasks( void ); |
---|
44 | |
---|
45 | RTEMS_INLINE_ROUTINE Thread_Control *_RTEMS_tasks_Allocate(void) |
---|
46 | { |
---|
47 | _Objects_Allocator_lock(); |
---|
48 | |
---|
49 | _Thread_Kill_zombies(); |
---|
50 | |
---|
51 | return (Thread_Control *) |
---|
52 | _Objects_Allocate_unprotected( &_RTEMS_tasks_Information.Objects ); |
---|
53 | } |
---|
54 | |
---|
55 | /** |
---|
56 | * @brief Frees a task control block. |
---|
57 | * |
---|
58 | * This routine frees a task control block to the |
---|
59 | * inactive chain of free task control blocks. |
---|
60 | */ |
---|
61 | RTEMS_INLINE_ROUTINE void _RTEMS_tasks_Free ( |
---|
62 | Thread_Control *the_task |
---|
63 | ) |
---|
64 | { |
---|
65 | _Objects_Free( |
---|
66 | _Objects_Get_information_id( the_task->Object.id ), |
---|
67 | &the_task->Object |
---|
68 | ); |
---|
69 | } |
---|
70 | |
---|
71 | /** |
---|
72 | * @brief Converts the RTEMS API priority to the corresponding SuperCore |
---|
73 | * priority and validates it. |
---|
74 | * |
---|
75 | * The RTEMS API system priority is accepted as valid. |
---|
76 | * |
---|
77 | * @param[in] scheduler The scheduler instance. |
---|
78 | * @param[in] priority The RTEMS API priority to convert and validate. |
---|
79 | * @param[out] valid Indicates if the RTEMS API priority is valid and a |
---|
80 | * corresponding SuperCore priority in the specified scheduler instance |
---|
81 | * exists. |
---|
82 | * |
---|
83 | * @return The corresponding SuperCore priority. |
---|
84 | */ |
---|
85 | RTEMS_INLINE_ROUTINE Priority_Control _RTEMS_Priority_To_core( |
---|
86 | const Scheduler_Control *scheduler, |
---|
87 | rtems_task_priority priority, |
---|
88 | bool *valid |
---|
89 | ) |
---|
90 | { |
---|
91 | *valid = ( priority <= scheduler->maximum_priority ); |
---|
92 | |
---|
93 | return _Scheduler_Map_priority( scheduler, (Priority_Control) priority ); |
---|
94 | } |
---|
95 | |
---|
96 | /** |
---|
97 | * @brief Converts the SuperCore priority to the corresponding RTEMS API |
---|
98 | * priority. |
---|
99 | * |
---|
100 | * @param[in] scheduler The scheduler instance. |
---|
101 | * @param[in] priority The SuperCore priority to convert. |
---|
102 | * |
---|
103 | * @return The corresponding RTEMS API priority. |
---|
104 | */ |
---|
105 | RTEMS_INLINE_ROUTINE rtems_task_priority _RTEMS_Priority_From_core( |
---|
106 | const Scheduler_Control *scheduler, |
---|
107 | Priority_Control priority |
---|
108 | ) |
---|
109 | { |
---|
110 | return (rtems_task_priority) |
---|
111 | _Scheduler_Unmap_priority( scheduler, priority ); |
---|
112 | } |
---|
113 | |
---|
114 | /**@}*/ |
---|
115 | |
---|
116 | #if defined(RTEMS_MULTIPROCESSING) |
---|
117 | #include <rtems/rtems/taskmp.h> |
---|
118 | #endif |
---|
119 | |
---|
120 | #ifdef __cplusplus |
---|
121 | } |
---|
122 | #endif |
---|
123 | |
---|
124 | #endif |
---|
125 | /* end of include file */ |
---|