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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [taskdelete.c] - Blame information for rev 314

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/*
 *  RTEMS Task Manager
 *
 *
 *  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: taskdelete.c,v 1.2 2001-09-27 11:59:19 chris Exp $
 */
 
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/rtems/modes.h>
#include <rtems/score/object.h>
#include <rtems/score/stack.h>
#include <rtems/score/states.h>
#include <rtems/rtems/tasks.h>
#include <rtems/score/thread.h>
#include <rtems/score/threadq.h>
#include <rtems/score/tod.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/apiext.h>
#include <rtems/score/sysstate.h>
 
/*PAGE
 *
 *  rtems_task_delete
 *
 *  This directive allows a thread to delete itself or the thread
 *  identified in the id field.  The executive halts execution
 *  of the thread and frees the thread control block.
 *
 *  Input parameters:
 *    id - thread id
 *
 *  Output parameters:
 *    nothing           - if id is the requesting thread (always succeeds)
 *    RTEMS_SUCCESSFUL - if successful and id is
 *                           not the requesting thread
 *    error code        - if unsuccessful
 */
 
rtems_status_code rtems_task_delete(
  Objects_Id id
)
{
  register Thread_Control *the_thread;
  Objects_Locations        location;
  Objects_Information     *the_information;
 
  the_thread = _Thread_Get( id, &location );
  switch ( location ) {
 
    case OBJECTS_REMOTE:
#if defined(RTEMS_MULTIPROCESSING)
      _Thread_Dispatch();
      return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
 
    case OBJECTS_ERROR:
      return RTEMS_INVALID_ID;
 
    case OBJECTS_LOCAL:
      the_information = _Objects_Get_information( the_thread->Object.id );
 
      if ( !the_information ) {
        _Thread_Enable_dispatch();
        return RTEMS_INVALID_ID;
        /* This should never happen if _Thread_Get() works right */
      }
 
      _Thread_Close( the_information, the_thread );
 
      _RTEMS_tasks_Free( the_thread );
 
#if defined(RTEMS_MULTIPROCESSING)
      if ( the_thread->is_global ) {
 
        _Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id );
 
        _RTEMS_tasks_MP_Send_process_packet(
          RTEMS_TASKS_MP_ANNOUNCE_DELETE,
          the_thread->Object.id,
 
        );
      }
#endif
 
      _Thread_Enable_dispatch();
      return RTEMS_SUCCESSFUL;
  }
 
  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
}

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* RTEMS Task Manager`
3			`*`
4			`*`
5			`* COPYRIGHT (c) 1989-1999.`
6			`* On-Line Applications Research Corporation (OAR).`
7			`*`
8			`* The license and distribution terms for this file may be`
9			`* found in the file LICENSE in this distribution or at`
10			`* http://www.OARcorp.com/rtems/license.html.`
11			`*`
12			`* $Id: taskdelete.c,v 1.2 2001-09-27 11:59:19 chris Exp $`
13			`*/`
14
15			`#include <rtems/system.h>`
16			`#include <rtems/rtems/status.h>`
17			`#include <rtems/rtems/support.h>`
18			`#include <rtems/rtems/modes.h>`
19			`#include <rtems/score/object.h>`
20			`#include <rtems/score/stack.h>`
21			`#include <rtems/score/states.h>`
22			`#include <rtems/rtems/tasks.h>`
23			`#include <rtems/score/thread.h>`
24			`#include <rtems/score/threadq.h>`
25			`#include <rtems/score/tod.h>`
26			`#include <rtems/score/userext.h>`
27			`#include <rtems/score/wkspace.h>`
28			`#include <rtems/score/apiext.h>`
29			`#include <rtems/score/sysstate.h>`
30
31			`/*PAGE`
32			`*`
33			`* rtems_task_delete`
34			`*`
35			`* This directive allows a thread to delete itself or the thread`
36			`* identified in the id field. The executive halts execution`
37			`* of the thread and frees the thread control block.`
38			`*`
39			`* Input parameters:`
40			`* id - thread id`
41			`*`
42			`* Output parameters:`
43			`* nothing - if id is the requesting thread (always succeeds)`
44			`* RTEMS_SUCCESSFUL - if successful and id is`
45			`* not the requesting thread`
46			`* error code - if unsuccessful`
47			`*/`
48
49			`rtems_status_code rtems_task_delete(`
50			`Objects_Id id`
51			`)`
52			`{`
53			`register Thread_Control *the_thread;`
54			`Objects_Locations location;`
55			`Objects_Information *the_information;`
56
57			`the_thread = _Thread_Get( id, &location );`
58			`switch ( location ) {`
59
60			`case OBJECTS_REMOTE:`
61			`#if defined(RTEMS_MULTIPROCESSING)`
62			`_Thread_Dispatch();`
63			`return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;`
64			`#endif`
65
66			`case OBJECTS_ERROR:`
67			`return RTEMS_INVALID_ID;`
68
69			`case OBJECTS_LOCAL:`
70			`the_information = _Objects_Get_information( the_thread->Object.id );`
71
72			`if ( !the_information ) {`
73			`_Thread_Enable_dispatch();`
74			`return RTEMS_INVALID_ID;`
75			`/* This should never happen if _Thread_Get() works right */`
76			`}`
77
78			`_Thread_Close( the_information, the_thread );`
79
80			`_RTEMS_tasks_Free( the_thread );`
81
82			`#if defined(RTEMS_MULTIPROCESSING)`
83			`if ( the_thread->is_global ) {`
84
85			`_Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id );`
86
87			`_RTEMS_tasks_MP_Send_process_packet(`
88			`RTEMS_TASKS_MP_ANNOUNCE_DELETE,`
89			`the_thread->Object.id,`
90
91			`);`
92			`}`
93			`#endif`
94
95			`_Thread_Enable_dispatch();`
96			`return RTEMS_SUCCESSFUL;`
97			`}`
98
99			`return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */`
100			`}`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [taskdelete.c] - Blame information for rev 314