blob: 4f2059511003368eba7887df806efe46dda44390 (
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
|
/**
* @file
*
* @brief Rate Monotonic Timeout
* @ingroup ClassicRateMon
*/
/*
* COPYRIGHT (c) 1989-2009.
* 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.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/ratemonimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/watchdogimpl.h>
void _Rate_monotonic_Timeout(
Objects_Id id,
void *ignored
)
{
Rate_monotonic_Control *the_period;
Objects_Locations location;
Thread_Control *the_thread;
/*
* When we get here, the Timer is already off the chain so we do not
* have to worry about that -- hence no _Watchdog_Remove().
*/
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
the_thread = the_period->owner;
if ( _States_Is_waiting_for_period( the_thread->current_state ) &&
the_thread->Wait.id == the_period->Object.id ) {
_Thread_Unblock( the_thread );
_Rate_monotonic_Initiate_statistics( the_period );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
_Rate_monotonic_Initiate_statistics( the_period );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;
_Objects_Put_without_thread_dispatch( &the_period->Object );
break;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* impossible */
#endif
case OBJECTS_ERROR:
break;
}
}
|
