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/*
* ssl_thr_lock.c
*
* Author: Jeremy Brown <jbrown_at_novell.com>
*
* 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 2 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
Style changes by Robert Iakobashvili <coroberti@gmail.com>.
*/
// must be the first include
#include "fdsetsize.h"
#include <pthread.h>
#include "ssl_thr_lock.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_arr= NULL;
void locking_function (int mode, int n, const char * file, int line)
{
(void) file;
(void) line;
if (mode & CRYPTO_LOCK)
MUTEX_LOCK(mutex_arr[n]);
else
MUTEX_UNLOCK(mutex_arr[n]);
}
unsigned long id_function(void)
{
return ((unsigned long)THREAD_ID);
}
int thread_openssl_setup(void)
{
int i;
mutex_arr = (MUTEX_TYPE *) malloc(CRYPTO_num_locks( ) * sizeof(MUTEX_TYPE));
if (!mutex_arr)
return -1;
for (i = 0; i < CRYPTO_num_locks( ); i++)
MUTEX_SETUP(mutex_arr[i]);
CRYPTO_set_id_callback(id_function);
CRYPTO_set_locking_callback(locking_function);
return 0;
}
int thread_openssl_cleanup(void)
{
int i;
if (! mutex_arr)
return -1;
CRYPTO_set_id_callback(NULL);
CRYPTO_set_locking_callback(NULL);
for (i = 0; i < CRYPTO_num_locks( ); i++)
MUTEX_CLEANUP(mutex_arr[i]);
free(mutex_arr);
mutex_arr = NULL;
return 0;
}
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