blob: 0c4350bb045db7886d5b9fab389b51d0066ee10c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* ITRON 3.0 Mailbox 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.
*
* $Id$
*/
#include <itron.h>
#include <rtems/itron/mbox.h>
#include <rtems/itron/task.h>
/*
* trcv_msg - Receive Message from Mailbox with Timeout
*/
ER trcv_msg(
T_MSG **ppk_msg,
ID mbxid,
TMO tmout
)
{
register ITRON_Mailbox_Control *the_mailbox;
Watchdog_Interval interval;
boolean wait;
Objects_Locations location;
unsigned32 size;
if (!ppk_msg)
return E_PAR;
interval = 0;
if ( tmout == TMO_POL ) {
wait = FALSE;
} else {
wait = TRUE;
if ( tmout != TMO_FEVR )
interval = TOD_MILLISECONDS_TO_TICKS(tmout);
}
if ( wait && _ITRON_Is_in_non_task_state() )
return E_CTX;
the_mailbox = _ITRON_Mailbox_Get( mbxid, &location );
switch ( location ) {
case OBJECTS_REMOTE:
case OBJECTS_ERROR:
return _ITRON_Mailbox_Clarify_get_id_error( mbxid );
case OBJECTS_LOCAL:
_CORE_message_queue_Seize(
&the_mailbox->message_queue,
the_mailbox->Object.id,
ppk_msg,
&size,
wait,
interval
);
break;
}
_ITRON_return_errorno(
_ITRON_Mailbox_Translate_core_message_queue_return_code(
_Thread_Executing->Wait.return_code ) );
}
|