blob: 641abed572e53438fcb03e1839670c0d9b73ab52 (
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
|
/*
* Partition Manager
*
*
* COPYRIGHT (c) 1989-2014.
* 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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/partimpl.h>
rtems_status_code rtems_partition_return_buffer(
rtems_id id,
void *buffer
)
{
Partition_Control *the_partition;
Objects_Locations location;
ISR_lock_Context lock_context;
the_partition = _Partition_Get( id, &location, &lock_context );
switch ( location ) {
case OBJECTS_LOCAL:
_Partition_Acquire_critical( the_partition, &lock_context );
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
_Partition_Free_buffer( the_partition, buffer );
the_partition->number_of_used_blocks -= 1;
_Partition_Release( the_partition, &lock_context );
return RTEMS_SUCCESSFUL;
}
_Partition_Release( the_partition, &lock_context );
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
return _Partition_MP_Send_request_packet(
PARTITION_MP_RETURN_BUFFER_REQUEST,
id,
buffer
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
|