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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.
 *
 *  $Id: task.inl,v 1.2 2001-09-27 11:59:13 chris Exp $
 */
 
#ifndef __ITRON_TASK_inl_
#define __ITRON_TASK_inl_
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 *  _ITRON_Task_Allocate
 *
 *  DESCRIPTION:
 *
 *  This routine allocates the task associated with the specified
 *  task ID from the pool of inactive tasks.
 *
 *  Input parameters:
 *    tskid   - id of task to allocate
 *    status  - pointer to status variable
 *
 *  Output parameters:
 *    returns - pointer to the task control block
 *    *status - status
 */
 
RTEMS_INLINE_ROUTINE Thread_Control *_ITRON_Task_Allocate(
  ID   tskid
)
{
  return (Thread_Control *)_ITRON_Objects_Allocate_by_index(
    &_ITRON_Task_Information,
    tskid,
    sizeof(Thread_Control)
  );
}
 
/*
 *  _ITRON_Task_Clarify_allocation_id_error
 *
 *  This function is invoked when an object allocation ID error
 *  occurs to determine the specific ITRON error code to return.
 */
 
#define _ITRON_Task_Clarify_allocation_id_error( _id ) \
  _ITRON_Objects_Clarify_allocation_id_error( \
      &_ITRON_Task_Information, (_id) )
 
/*
 *  _ITRON_Task_Clarify_get_id_error
 *
 *  This function is invoked when an object get ID error
 *  occurs to determine the specific ITRON error code to return.
 */
 
#define _ITRON_Task_Clarify_get_id_error( _id ) \
 _ITRON_Objects_Clarify_get_id_error( &_ITRON_Task_Information, (_id) )
 
/*
 *  _ITRON_Task_Free
 *
 *  DESCRIPTION:
 *
 *  This routine frees a task control block to the
 *  inactive chain of free task control blocks.
 *
 *  Input parameters:
 *    the_task - pointer to task control block
 *
 *  Output parameters: NONE
 */
 
RTEMS_INLINE_ROUTINE void _ITRON_Task_Free (
  Thread_Control *the_task
)
{
  _ITRON_Objects_Free( &_ITRON_Task_Information, &the_task->Object );
}
 
/*PAGE
 *
 *  _ITRON_Task_Get
 *
 *  DESCRIPTION:
 *
 *  This function maps task IDs to task control blocks.
 *  If ID corresponds to a local task, then it returns
 *  the_task control pointer which maps to ID and location
 *  is set to OBJECTS_LOCAL.  if the task ID is global and
 *  resides on a remote node, then location is set to OBJECTS_REMOTE,
 *  and the_task is undefined.  Otherwise, location is set
 *  to OBJECTS_ERROR and the_task is undefined.
 *
 *  Input parameters:
 *    id            - ITRON task ID.
 *    the_location  - pointer to a location variable
 *
 *  Output parameters:
 *    *the_location  - location of the object
 */
 
RTEMS_INLINE_ROUTINE Thread_Control *_ITRON_Task_Get (
  ID                 id,
  Objects_Locations *location
)
{
  if ( id == 0 ) {
    _Thread_Disable_dispatch();
    *location = OBJECTS_LOCAL;
    return _Thread_Executing;
  }
 
  return (Thread_Control *)
    _ITRON_Objects_Get( &_ITRON_Task_Information, id, location );
}
 
/*PAGE
 *
 *  _ITRON_Task_Is_null
 *
 *  This function returns TRUE if the_task is NULL and FALSE otherwise.
 *
 *  Input parameters:
 *    the_task - pointer to task control block
 *
 *  Output parameters:
 *    TRUE  - if the_task is NULL
 *    FALSE - otherwise
 */
 
RTEMS_INLINE_ROUTINE boolean _ITRON_Task_Is_null (
  Thread_Control *the_task
)
{
  return ( the_task == NULL );
}
 
/*
 *  XXX insert inline routines here
 */
 
/*PAGE
 *
 *  _ITRON_tasks_Priority_to_Core
 */
 
RTEMS_INLINE_ROUTINE _ITRON_Task_Priority_to_Core(
  PRI   ITRON_priority
)
{
  return (Priority_Control) ITRON_priority;
}
 
/*PAGE
 *
 *  _ITRON_tasks_Core_to_Priority
 */
 
RTEMS_INLINE_ROUTINE _ITRON_Task_Core_to_Priority(
  Priority_Control  core_priority
)
{
  return (PRI) core_priority;
}
 
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* COPYRIGHT (c) 1989-1999.`
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.OARcorp.com/rtems/license.html.`
8			`*`
9			`* $Id: task.inl,v 1.2 2001-09-27 11:59:13 chris Exp $`
10			`*/`
11
12			`#ifndef __ITRON_TASK_inl_`
13			`#define __ITRON_TASK_inl_`
14
15			`#ifdef __cplusplus`
16			`extern "C" {`
17			`#endif`
18
19			`/*`
20			`* _ITRON_Task_Allocate`
21			`*`
22			`* DESCRIPTION:`
23			`*`
24			`* This routine allocates the task associated with the specified`
25			`* task ID from the pool of inactive tasks.`
26			`*`
27			`* Input parameters:`
28			`* tskid - id of task to allocate`
29			`* status - pointer to status variable`
30			`*`
31			`* Output parameters:`
32			`* returns - pointer to the task control block`
33			`* *status - status`
34			`*/`
35
36			`RTEMS_INLINE_ROUTINE Thread_Control *_ITRON_Task_Allocate(`
37			`ID tskid`
38			`)`
39			`{`
40			`return (Thread_Control *)_ITRON_Objects_Allocate_by_index(`
41			`&_ITRON_Task_Information,`
42			`tskid,`
43			`sizeof(Thread_Control)`
44			`);`
45			`}`
46
47			`/*`
48			`* _ITRON_Task_Clarify_allocation_id_error`
49			`*`
50			`* This function is invoked when an object allocation ID error`
51			`* occurs to determine the specific ITRON error code to return.`
52			`*/`
53
54			`#define _ITRON_Task_Clarify_allocation_id_error( _id ) \`
55			`_ITRON_Objects_Clarify_allocation_id_error( \`
56			`&_ITRON_Task_Information, (_id) )`
57
58			`/*`
59			`* _ITRON_Task_Clarify_get_id_error`
60			`*`
61			`* This function is invoked when an object get ID error`
62			`* occurs to determine the specific ITRON error code to return.`
63			`*/`
64
65			`#define _ITRON_Task_Clarify_get_id_error( _id ) \`
66			`_ITRON_Objects_Clarify_get_id_error( &_ITRON_Task_Information, (_id) )`
67
68			`/*`
69			`* _ITRON_Task_Free`
70			`*`
71			`* DESCRIPTION:`
72			`*`
73			`* This routine frees a task control block to the`
74			`* inactive chain of free task control blocks.`
75			`*`
76			`* Input parameters:`
77			`* the_task - pointer to task control block`
78			`*`
79			`* Output parameters: NONE`
80			`*/`
81
82			`RTEMS_INLINE_ROUTINE void _ITRON_Task_Free (`
83			`Thread_Control *the_task`
84			`)`
85			`{`
86			`_ITRON_Objects_Free( &_ITRON_Task_Information, &the_task->Object );`
87			`}`
88
89			`/*PAGE`
90			`*`
91			`* _ITRON_Task_Get`
92			`*`
93			`* DESCRIPTION:`
94			`*`
95			`* This function maps task IDs to task control blocks.`
96			`* If ID corresponds to a local task, then it returns`
97			`* the_task control pointer which maps to ID and location`
98			`* is set to OBJECTS_LOCAL. if the task ID is global and`
99			`* resides on a remote node, then location is set to OBJECTS_REMOTE,`
100			`* and the_task is undefined. Otherwise, location is set`
101			`* to OBJECTS_ERROR and the_task is undefined.`
102			`*`
103			`* Input parameters:`
104			`* id - ITRON task ID.`
105			`* the_location - pointer to a location variable`
106			`*`
107			`* Output parameters:`
108			`* *the_location - location of the object`
109			`*/`
110
111			`RTEMS_INLINE_ROUTINE Thread_Control *_ITRON_Task_Get (`
112			`ID id,`
113			`Objects_Locations *location`
114			`)`
115			`{`
116			`if ( id == 0 ) {`
117			`_Thread_Disable_dispatch();`
118			`*location = OBJECTS_LOCAL;`
119			`return _Thread_Executing;`
120			`}`
121
122			`return (Thread_Control *)`
123			`_ITRON_Objects_Get( &_ITRON_Task_Information, id, location );`
124			`}`
125
126			`/*PAGE`
127			`*`
128			`* _ITRON_Task_Is_null`
129			`*`
130			`* This function returns TRUE if the_task is NULL and FALSE otherwise.`
131			`*`
132			`* Input parameters:`
133			`* the_task - pointer to task control block`
134			`*`
135			`* Output parameters:`
136			`* TRUE - if the_task is NULL`
137			`* FALSE - otherwise`
138			`*/`
139
140			`RTEMS_INLINE_ROUTINE boolean _ITRON_Task_Is_null (`
141			`Thread_Control *the_task`
142			`)`
143			`{`
144			`return ( the_task == NULL );`
145			`}`
146
147			`/*`
148			`* XXX insert inline routines here`
149			`*/`
150
151			`/*PAGE`
152			`*`
153			`* _ITRON_tasks_Priority_to_Core`
154			`*/`
155
156			`RTEMS_INLINE_ROUTINE _ITRON_Task_Priority_to_Core(`
157			`PRI ITRON_priority`
158			`)`
159			`{`
160			`return (Priority_Control) ITRON_priority;`
161			`}`
162
163			`/*PAGE`
164			`*`
165			`* _ITRON_tasks_Core_to_Priority`
166			`*/`
167
168			`RTEMS_INLINE_ROUTINE _ITRON_Task_Core_to_Priority(`
169			`Priority_Control core_priority`
170			`)`
171			`{`
172			`return (PRI) core_priority;`
173			`}`
174
175
176			`#ifdef __cplusplus`
177			`}`
178			`#endif`
179
180			`#endif`
181			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [itron/] [inline/] [rtems/] [itron/] [task.inl] - Blame information for rev 173