blob: 160e560bba0ef0ebb20ba25c4e0880090a878d35 (
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
|
/*
* calloc()
*
* COPYRIGHT (c) 1989-2007.
* 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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef RTEMS_NEWLIB
#include "malloc_p.h"
#include <stdlib.h>
void free(
void *ptr
)
{
MSBUMP(free_calls, 1);
if ( !ptr )
return;
#if defined(RTEMS_HEAP_DEBUG)
_Protected_heap_Walk( &RTEMS_Malloc_Heap, 0, FALSE );
#endif
/*
* Do not attempt to free memory if in a critical section or ISR.
*/
if (_System_state_Is_up(_System_state_Get())) {
if ((_Thread_Dispatch_disable_level > 0) || (_ISR_Nest_level > 0)) {
Chain_Append(&RTEMS_Malloc_GC_list, (Chain_Node *)ptr);
return;
}
}
#if defined(RTEMS_MALLOC_BOUNDARY_HELPERS)
/*
* If configured, check the boundary area
*/
if ( rtems_malloc_boundary_helpers )
(*rtems_malloc_boundary_helpers->at_free)(ptr);
#endif
/*
* If configured, update the statistics
*/
if ( rtems_malloc_statistics_helpers )
(*rtems_malloc_statistics_helpers->at_free)(ptr);
if ( !_Protected_heap_Free( &RTEMS_Malloc_Heap, ptr ) ) {
printk( "Program heap: free of bad pointer %p -- range %p - %p \n",
ptr,
RTEMS_Malloc_Heap.start,
RTEMS_Malloc_Heap.end
);
}
}
#endif
|