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Added rtems_message_queue_get_number_pending directive.

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This commit is contained in:
Joel Sherrill
1997-07-31 19:01:42 +00:00
parent a2fa8c2525
commit e7d8b58826
10 changed files with 246 additions and 47 deletions
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17
c/src/exec/rtems/headers/message.h
View File

@@ -241,6 +241,23 @@ rtems_status_code rtems_message_queue_flush(
unsigned32 *count
);
/*
* rtems_message_queue_get_number_pending
*
* DESCRIPTION:
*
* This routine implements the rtems_message_queue_get_number_pending
* directive. This directive returns the number of pending
* messages for the message queue indicated by ID
* chain. The number of messages pending is returned in COUNT.
*/
rtems_status_code rtems_message_queue_get_number_pending(
Objects_Id id,
unsigned32 *count
);
/*
* _Message_queue_Submit
*

28
c/src/exec/rtems/headers/msgmp.h
View File

@@ -34,19 +34,21 @@ extern "C" {
*/
typedef enum {
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE = 0,
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE = 1,
MESSAGE_QUEUE_MP_EXTRACT_PROXY = 2,
MESSAGE_QUEUE_MP_RECEIVE_REQUEST = 3,
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE = 4,
MESSAGE_QUEUE_MP_SEND_REQUEST = 5,
MESSAGE_QUEUE_MP_SEND_RESPONSE = 6,
MESSAGE_QUEUE_MP_URGENT_REQUEST = 7,
MESSAGE_QUEUE_MP_URGENT_RESPONSE = 8,
MESSAGE_QUEUE_MP_BROADCAST_REQUEST = 9,
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE = 10,
MESSAGE_QUEUE_MP_FLUSH_REQUEST = 11,
MESSAGE_QUEUE_MP_FLUSH_RESPONSE = 12
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE = 0,
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE = 1,
MESSAGE_QUEUE_MP_EXTRACT_PROXY = 2,
MESSAGE_QUEUE_MP_RECEIVE_REQUEST = 3,
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE = 4,
MESSAGE_QUEUE_MP_SEND_REQUEST = 5,
MESSAGE_QUEUE_MP_SEND_RESPONSE = 6,
MESSAGE_QUEUE_MP_URGENT_REQUEST = 7,
MESSAGE_QUEUE_MP_URGENT_RESPONSE = 8,
MESSAGE_QUEUE_MP_BROADCAST_REQUEST = 9,
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE = 10,
MESSAGE_QUEUE_MP_FLUSH_REQUEST = 11,
MESSAGE_QUEUE_MP_FLUSH_RESPONSE = 12,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST = 13,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE = 14
} Message_queue_MP_Remote_operations;
/*

17
c/src/exec/rtems/include/rtems/rtems/message.h
View File

@@ -241,6 +241,23 @@ rtems_status_code rtems_message_queue_flush(
unsigned32 *count
);
/*
* rtems_message_queue_get_number_pending
*
* DESCRIPTION:
*
* This routine implements the rtems_message_queue_get_number_pending
* directive. This directive returns the number of pending
* messages for the message queue indicated by ID
* chain. The number of messages pending is returned in COUNT.
*/
rtems_status_code rtems_message_queue_get_number_pending(
Objects_Id id,
unsigned32 *count
);
/*
* _Message_queue_Submit
*

28
c/src/exec/rtems/include/rtems/rtems/msgmp.h
View File

@@ -34,19 +34,21 @@ extern "C" {
*/
typedef enum {
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE = 0,
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE = 1,
MESSAGE_QUEUE_MP_EXTRACT_PROXY = 2,
MESSAGE_QUEUE_MP_RECEIVE_REQUEST = 3,
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE = 4,
MESSAGE_QUEUE_MP_SEND_REQUEST = 5,
MESSAGE_QUEUE_MP_SEND_RESPONSE = 6,
MESSAGE_QUEUE_MP_URGENT_REQUEST = 7,
MESSAGE_QUEUE_MP_URGENT_RESPONSE = 8,
MESSAGE_QUEUE_MP_BROADCAST_REQUEST = 9,
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE = 10,
MESSAGE_QUEUE_MP_FLUSH_REQUEST = 11,
MESSAGE_QUEUE_MP_FLUSH_RESPONSE = 12
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE = 0,
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE = 1,
MESSAGE_QUEUE_MP_EXTRACT_PROXY = 2,
MESSAGE_QUEUE_MP_RECEIVE_REQUEST = 3,
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE = 4,
MESSAGE_QUEUE_MP_SEND_REQUEST = 5,
MESSAGE_QUEUE_MP_SEND_RESPONSE = 6,
MESSAGE_QUEUE_MP_URGENT_REQUEST = 7,
MESSAGE_QUEUE_MP_URGENT_RESPONSE = 8,
MESSAGE_QUEUE_MP_BROADCAST_REQUEST = 9,
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE = 10,
MESSAGE_QUEUE_MP_FLUSH_REQUEST = 11,
MESSAGE_QUEUE_MP_FLUSH_RESPONSE = 12,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST = 13,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE = 14
} Message_queue_MP_Remote_operations;
/*

50
c/src/exec/rtems/src/msg.c
View File

@@ -549,6 +549,56 @@ rtems_status_code rtems_message_queue_flush(
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* rtems_message_queue_get_number_pending
*
* This directive returns the number of messages pending.
*
* Input parameters:
* id - queue id
* count - return area for count
*
* Output parameters:
* count - number of messages removed ( 0 = empty queue )
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_message_queue_get_number_pending(
Objects_Id id,
unsigned32 *count
)
{
register Message_queue_Control *the_message_queue;
Objects_Locations location;
the_message_queue = _Message_queue_Get( id, &location );
switch ( location ) {
case OBJECTS_ERROR:
return RTEMS_INVALID_ID;
case OBJECTS_REMOTE:
_Thread_Executing->Wait.return_argument = count;
return
_Message_queue_MP_Send_request_packet(
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST,
id,
0, /* buffer not used */
0, /* size */
0, /* option_set not used */
MPCI_DEFAULT_TIMEOUT
);
case OBJECTS_LOCAL:
*count = the_message_queue->message_queue.number_of_pending_messages;
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
/*PAGE
*
* _Message_queue_Submit

29
c/src/exec/rtems/src/msgmp.c
View File

@@ -73,6 +73,8 @@ void _Message_queue_MP_Send_process_packet (
case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE:
case MESSAGE_QUEUE_MP_FLUSH_REQUEST:
case MESSAGE_QUEUE_MP_FLUSH_RESPONSE:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE:
break;
}
@@ -101,6 +103,7 @@ rtems_status_code _Message_queue_MP_Send_request_packet (
case MESSAGE_QUEUE_MP_URGENT_REQUEST:
case MESSAGE_QUEUE_MP_BROADCAST_REQUEST:
case MESSAGE_QUEUE_MP_FLUSH_REQUEST:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST:
the_packet = _Message_queue_MP_Get_packet();
the_packet->Prefix.the_class = MP_PACKET_MESSAGE_QUEUE;
@@ -120,7 +123,7 @@ rtems_status_code _Message_queue_MP_Send_request_packet (
return RTEMS_INVALID_SIZE;
}
if ( ! _Options_Is_no_wait(option_set))
if (! _Options_Is_no_wait(option_set))
the_packet->Prefix.timeout = timeout;
the_packet->operation = operation;
@@ -154,7 +157,7 @@ rtems_status_code _Message_queue_MP_Send_request_packet (
the_packet->Prefix.length = sizeof(Message_queue_MP_Packet);
the_packet->Prefix.to_convert = sizeof(Message_queue_MP_Packet);
if ( ! _Options_Is_no_wait(option_set))
if (! _Options_Is_no_wait(option_set))
the_packet->Prefix.timeout = timeout;
the_packet->operation = MESSAGE_QUEUE_MP_RECEIVE_REQUEST;
@@ -180,6 +183,7 @@ rtems_status_code _Message_queue_MP_Send_request_packet (
case MESSAGE_QUEUE_MP_URGENT_RESPONSE:
case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE:
case MESSAGE_QUEUE_MP_FLUSH_RESPONSE:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE:
break;
}
@@ -207,6 +211,7 @@ void _Message_queue_MP_Send_response_packet (
case MESSAGE_QUEUE_MP_URGENT_RESPONSE:
case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE:
case MESSAGE_QUEUE_MP_FLUSH_RESPONSE:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE:
the_packet = ( Message_queue_MP_Packet *) the_thread->receive_packet;
@@ -237,6 +242,7 @@ void _Message_queue_MP_Send_response_packet (
case MESSAGE_QUEUE_MP_URGENT_REQUEST:
case MESSAGE_QUEUE_MP_BROADCAST_REQUEST:
case MESSAGE_QUEUE_MP_FLUSH_REQUEST:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST:
break;
}
@@ -284,7 +290,7 @@ void _Message_queue_MP_Process_packet (
the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id );
if ( ! _Thread_Is_null( the_thread ) )
if (! _Thread_Is_null( the_thread ) )
_Thread_queue_Extract( the_thread->Wait.queue, the_thread );
_MPCI_Return_packet( the_packet_prefix );
@@ -300,7 +306,7 @@ void _Message_queue_MP_Process_packet (
the_packet->Prefix.timeout
);
if ( ! _Thread_Is_proxy_blocking( the_packet->Prefix.return_code ) )
if (! _Thread_Is_proxy_blocking( the_packet->Prefix.return_code ) )
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE,
the_packet->Prefix.id,
@@ -382,6 +388,7 @@ void _Message_queue_MP_Process_packet (
case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE:
case MESSAGE_QUEUE_MP_FLUSH_RESPONSE:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
@@ -404,6 +411,20 @@ void _Message_queue_MP_Process_packet (
);
break;
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_get_number_pending(
the_packet->Prefix.id,
&the_packet->count
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
}
}