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/*
* 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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#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 ) );
}
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