mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* Copyright (C) 2002-2024 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 <errno.h>
|
|
#include "pthreadP.h"
|
|
#include <atomic.h>
|
|
#include <shlib-compat.h>
|
|
|
|
int
|
|
___pthread_key_delete (pthread_key_t key)
|
|
{
|
|
int result = EINVAL;
|
|
|
|
if (__glibc_likely (key < PTHREAD_KEYS_MAX))
|
|
{
|
|
unsigned int seq = __pthread_keys[key].seq;
|
|
|
|
if (__builtin_expect (! KEY_UNUSED (seq), 1)
|
|
&& ! atomic_compare_and_exchange_bool_acq (&__pthread_keys[key].seq,
|
|
seq + 1, seq))
|
|
/* We deleted a valid key. */
|
|
result = 0;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
versioned_symbol (libc, ___pthread_key_delete, pthread_key_delete,
|
|
GLIBC_2_34);
|
|
libc_hidden_ver (___pthread_key_delete, __pthread_key_delete)
|
|
#ifndef SHARED
|
|
strong_alias (___pthread_key_delete, __pthread_key_delete)
|
|
#endif
|
|
|
|
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34)
|
|
compat_symbol (libpthread, ___pthread_key_delete, pthread_key_delete,
|
|
GLIBC_2_0);
|
|
#endif
|