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/*
Copyright (©) 2003-2025 Teus Benschop.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
// Config.h to be included.
#include <config.h>
#include <config/config.h>
#include <library/locks.h>
#ifndef HAVE_CLIENT
#include <openssl/crypto.h>
#include <pthread.h>
#define MUTEX_TYPE pthread_mutex_t
#define MUTEX_SETUP(x) pthread_mutex_init(&(x), NULL)
#define MUTEX_CLEANUP(x) pthread_mutex_destroy(&(x))
#define MUTEX_LOCK(x) pthread_mutex_lock(&(x))
#define MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x))
#define THREAD_ID pthread_self( )
/* This array will store all of the mutexes available to OpenSSL. */
static MUTEX_TYPE *mutex_buf = NULL;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-function"
#pragma GCC diagnostic ignored "-Wunused-function"
static void locking_function(int mode, int n, const char * file, int line)
{
if (mode & CRYPTO_LOCK)
MUTEX_LOCK(mutex_buf[n]);
else
MUTEX_UNLOCK(mutex_buf[n]);
if (file && line) {}
}
static unsigned long id_function(void)
{
return ((unsigned long)THREAD_ID);
}
#pragma clang diagnostic pop
#endif
void thread_setup (void)
{
#ifndef HAVE_CLIENT
mutex_buf = malloc (CRYPTO_num_locks () * sizeof(MUTEX_TYPE));
if (!mutex_buf) return;
int i;
for (i = 0; i < CRYPTO_num_locks (); i++)
MUTEX_SETUP (mutex_buf[i]);
CRYPTO_set_id_callback (id_function);
CRYPTO_set_locking_callback (locking_function);
#endif
}
void thread_cleanup (void)
{
#ifndef HAVE_CLIENT
if (!mutex_buf) return;
CRYPTO_set_id_callback (NULL);
CRYPTO_set_locking_callback (NULL);
int i;
for (i = 0; i < CRYPTO_num_locks (); i++)
MUTEX_CLEANUP (mutex_buf[i]);
free (mutex_buf);
mutex_buf = NULL;
#endif
}
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