blob: 7e3c88fdb6b59b536b13c52f659ee5f1d4d6b794 (
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/**
* @file
*
* @brief Thread-Specific Data Key Create
* @ingroup POSIX_KEY Key
*/
/*
* Copyright (c) 2012 Zhongwei Yao.
* Copyright (c) 2010 embedded brains GmbH.
*
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/chain.h>
#include <rtems/posix/key.h>
#include <rtems/posix/threadsup.h>
/*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
Chain_Control *chain;
Chain_Node *iter, *next;
void *value;
void (*destructor) (void *);
POSIX_Keys_Control *the_key;
Objects_Locations location;
_Thread_Disable_dispatch();
chain = &(
(POSIX_API_Control *)thread->API_Extensions[ THREAD_API_POSIX ]
)->Key_Chain;
iter = _Chain_First( chain );
while ( !_Chain_Is_tail( chain, iter ) ) {
next = _Chain_Next( iter );
/**
* remove key from rbtree and chain.
* here Chain_Node *iter can be convert to POSIX_Keys_Key_value_pair *,
* because Chain_Node is the first member of POSIX_Keys_Key_value_pair
* structure.
*/
_RBTree_Extract_unprotected(
&_POSIX_Keys_Key_value_lookup_tree,
&((POSIX_Keys_Key_value_pair *)iter)->Key_value_lookup_node
);
_Chain_Extract_unprotected( iter );
/**
* run key value's destructor if destructor and value are both non-null.
*/
the_key = _POSIX_Keys_Get(
((POSIX_Keys_Key_value_pair *)iter)->key,
&location
);
destructor = the_key->destructor;
value = ((POSIX_Keys_Key_value_pair *)iter)->value;
if ( destructor != NULL && value != NULL )
(*destructor)( value );
/**
* disable dispatch is nested here
*/
_Thread_Enable_dispatch();
/**
* put back this node to keypool
*/
_Freechain_Put( &_POSIX_Keys_Keypool.super_fc,
(void *)iter );
iter = next;
}
_Thread_Enable_dispatch();
}
|
