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Subversion Repositories openrisc_2011-10-31

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

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/*
 *  Message Queue 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: msgqbroadcast.c,v 1.2 2001-09-27 11:59:19 chris Exp $
 */
 
#include <rtems/system.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/coremsg.h>
#include <rtems/score/object.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#if defined(RTEMS_MULTIPROCESSING)
#include <rtems/score/mpci.h>
#endif
#include <rtems/rtems/status.h>
#include <rtems/rtems/attr.h>
#include <rtems/rtems/message.h>
#include <rtems/rtems/options.h>
#include <rtems/rtems/support.h>
 
/*PAGE
 *
 *  rtems_message_queue_broadcast
 *
 *  This directive sends a message for every thread waiting on the queue
 *  designated by id.
 *
 *  Input parameters:
 *    id     - pointer to message queue
 *    buffer - pointer to message buffer
 *    size   - size of message to broadcast
 *    count  - pointer to area to store number of threads made ready
 *
 *  Output parameters:
 *    count             - number of threads made ready
 *    RTEMS_SUCCESSFUL  - if successful
 *    error code        - if unsuccessful
 */
 
rtems_status_code rtems_message_queue_broadcast(
  Objects_Id            id,
  void                 *buffer,
  unsigned32            size,
  unsigned32           *count
)
{
  register Message_queue_Control *the_message_queue;
  Objects_Locations               location;
  CORE_message_queue_Status       core_status;
 
  the_message_queue = _Message_queue_Get( id, &location );
  switch ( location ) {
    case OBJECTS_REMOTE:
#if defined(RTEMS_MULTIPROCESSING)
      _Thread_Executing->Wait.return_argument = count;
 
      return
        _Message_queue_MP_Send_request_packet(
          MESSAGE_QUEUE_MP_BROADCAST_REQUEST,
          id,
          buffer,
          &size,
          0,                               /* option_set not used */
          MPCI_DEFAULT_TIMEOUT
        );
#endif
 
    case OBJECTS_ERROR:
      return RTEMS_INVALID_ID;
 
    case OBJECTS_LOCAL:
      core_status = _CORE_message_queue_Broadcast(
                      &the_message_queue->message_queue,
                      buffer,
                      size,
                      id,
#if defined(RTEMS_MULTIPROCESSING)
                      _Message_queue_Core_message_queue_mp_support,
#else
                      NULL,
#endif
                      count
                    );
 
      _Thread_Enable_dispatch();
      return
        _Message_queue_Translate_core_message_queue_return_code( core_status );
 
  }
  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
}

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* Message Queue 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: msgqbroadcast.c,v 1.2 2001-09-27 11:59:19 chris Exp $`
13			`*/`
14
15			`#include <rtems/system.h>`
16			`#include <rtems/score/sysstate.h>`
17			`#include <rtems/score/chain.h>`
18			`#include <rtems/score/isr.h>`
19			`#include <rtems/score/coremsg.h>`
20			`#include <rtems/score/object.h>`
21			`#include <rtems/score/states.h>`
22			`#include <rtems/score/thread.h>`
23			`#include <rtems/score/wkspace.h>`
24			`#if defined(RTEMS_MULTIPROCESSING)`
25			`#include <rtems/score/mpci.h>`
26			`#endif`
27			`#include <rtems/rtems/status.h>`
28			`#include <rtems/rtems/attr.h>`
29			`#include <rtems/rtems/message.h>`
30			`#include <rtems/rtems/options.h>`
31			`#include <rtems/rtems/support.h>`
32
33			`/*PAGE`
34			`*`
35			`* rtems_message_queue_broadcast`
36			`*`
37			`* This directive sends a message for every thread waiting on the queue`
38			`* designated by id.`
39			`*`
40			`* Input parameters:`
41			`* id - pointer to message queue`
42			`* buffer - pointer to message buffer`
43			`* size - size of message to broadcast`
44			`* count - pointer to area to store number of threads made ready`
45			`*`
46			`* Output parameters:`
47			`* count - number of threads made ready`
48			`* RTEMS_SUCCESSFUL - if successful`
49			`* error code - if unsuccessful`
50			`*/`
51
52			`rtems_status_code rtems_message_queue_broadcast(`
53			`Objects_Id id,`
54			`void *buffer,`
55			`unsigned32 size,`
56			`unsigned32 *count`
57			`)`
58			`{`
59			`register Message_queue_Control *the_message_queue;`
60			`Objects_Locations location;`
61			`CORE_message_queue_Status core_status;`
62
63			`the_message_queue = _Message_queue_Get( id, &location );`
64			`switch ( location ) {`
65			`case OBJECTS_REMOTE:`
66			`#if defined(RTEMS_MULTIPROCESSING)`
67			`_Thread_Executing->Wait.return_argument = count;`
68
69			`return`
70			`_Message_queue_MP_Send_request_packet(`
71			`MESSAGE_QUEUE_MP_BROADCAST_REQUEST,`
72			`id,`
73			`buffer,`
74			`&size,`
75			`0, /* option_set not used */`
76			`MPCI_DEFAULT_TIMEOUT`
77			`);`
78			`#endif`
79
80			`case OBJECTS_ERROR:`
81			`return RTEMS_INVALID_ID;`
82
83			`case OBJECTS_LOCAL:`
84			`core_status = _CORE_message_queue_Broadcast(`
85			`&the_message_queue->message_queue,`
86			`buffer,`
87			`size,`
88			`id,`
89			`#if defined(RTEMS_MULTIPROCESSING)`
90			`_Message_queue_Core_message_queue_mp_support,`
91			`#else`
92			`NULL,`
93			`#endif`
94			`count`
95			`);`
96
97			`_Thread_Enable_dispatch();`
98			`return`
99			`_Message_queue_Translate_core_message_queue_return_code( core_status );`
100
101			`}`
102			`return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */`
103			`}`

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