blob: 8af6c53b664d0b2d218a5cb41ace9b2ec5ee901a (
plain)
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
|
/* pthread_setspecific. Generic 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
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <pt-internal.h>
int
__pthread_setspecific (pthread_key_t key, const void *value)
{
struct __pthread *self = _pthread_self ();
if (key < 0 || key >= __pthread_key_count
|| __pthread_key_destructors[key] == PTHREAD_KEY_INVALID)
return EINVAL;
if (key >= self->thread_specifics_size)
{
/* Amortize reallocation cost. */
int newsize = 2 * key + 1;
void **new = realloc (self->thread_specifics,
newsize * sizeof (new[0]));
if (new == NULL)
return ENOMEM;
memset (&new[self->thread_specifics_size], 0,
(newsize - self->thread_specifics_size) * sizeof (new[0]));
self->thread_specifics = new;
self->thread_specifics_size = newsize;
}
self->thread_specifics[key] = (void *) value;
return 0;
}
strong_alias (__pthread_setspecific, pthread_setspecific);
hidden_def (__pthread_setspecific)
|
