blob: 6bc85771cb824d510cb1b10a86f66455ba58494a (
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
|
/* __pthread_destory_specific. Hurd version.
Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdlib.h>
#include <pt-internal.h>
void
__pthread_destroy_specific (struct __pthread *thread)
{
int i;
int seen_one;
/* Check if there is any thread specific data. */
if (thread->thread_specifics == NULL)
return;
__pthread_key_lock_ready ();
/* Iterate and call the destructors on any thread specific data. */
for (;;)
{
seen_one = 0;
__pthread_mutex_lock (&__pthread_key_lock);
for (i = 0; i < __pthread_key_count && i < thread->thread_specifics_size;
i++)
{
void *value;
if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID)
continue;
value = thread->thread_specifics[i];
if (value != NULL)
{
thread->thread_specifics[i] = 0;
if (__pthread_key_destructors[i])
{
seen_one = 1;
__pthread_key_destructors[i] (value);
}
}
}
__pthread_mutex_unlock (&__pthread_key_lock);
if (!seen_one)
break;
/* This may take a very long time. Let those blocking on
pthread_key_create or pthread_key_delete make progress. */
sched_yield ();
}
free (thread->thread_specifics);
thread->thread_specifics = 0;
thread->thread_specifics_size = 0;
}
|
