166 lines
4.6 KiB
C
166 lines
4.6 KiB
C
/* ====================================================================
|
|
* Copyright (c) 2016 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*/
|
|
|
|
#include <openssl/crypto.h>
|
|
#include "internal/threads.h"
|
|
|
|
#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
|
|
|
|
CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)
|
|
{
|
|
CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(unsigned int));
|
|
if (lock == NULL)
|
|
return NULL;
|
|
|
|
*(unsigned int *)lock = 1;
|
|
|
|
return lock;
|
|
}
|
|
|
|
int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock)
|
|
{
|
|
OPENSSL_assert(*(unsigned int *)lock == 1);
|
|
return 1;
|
|
}
|
|
|
|
int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock)
|
|
{
|
|
OPENSSL_assert(*(unsigned int *)lock == 1);
|
|
return 1;
|
|
}
|
|
|
|
int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock)
|
|
{
|
|
OPENSSL_assert(*(unsigned int *)lock == 1);
|
|
return 1;
|
|
}
|
|
|
|
void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock) {
|
|
if (lock == NULL)
|
|
return;
|
|
|
|
*(unsigned int *)lock = 0;
|
|
OPENSSL_free(lock);
|
|
|
|
return;
|
|
}
|
|
|
|
int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
|
|
{
|
|
if (*once != 0)
|
|
return 1;
|
|
|
|
init();
|
|
*once = 1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
#define OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX 256
|
|
|
|
static void *thread_local_storage[OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX];
|
|
|
|
int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))
|
|
{
|
|
static unsigned int thread_local_key = 0;
|
|
|
|
if (thread_local_key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
|
|
return 0;
|
|
|
|
*key = thread_local_key++;
|
|
|
|
thread_local_storage[*key] = NULL;
|
|
|
|
return 1;
|
|
}
|
|
|
|
void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)
|
|
{
|
|
if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
|
|
return NULL;
|
|
|
|
return thread_local_storage[*key];
|
|
}
|
|
|
|
int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)
|
|
{
|
|
if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
|
|
return 0;
|
|
|
|
thread_local_storage[*key] = val;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key)
|
|
{
|
|
*key = OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX + 1;
|
|
return 1;
|
|
}
|
|
|
|
CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b)
|
|
{
|
|
return (a == b);
|
|
}
|
|
|
|
int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock)
|
|
{
|
|
*val += amount;
|
|
*ret = *val;
|
|
|
|
return 1;
|
|
}
|
|
|
|
#endif
|