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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2010, 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
* Copyright (C) 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include <stdio.h>
#include "curl_setup.h"
#ifdef USE_POLARSSL
#if defined(USE_THREADS_POSIX)
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#define MUTEX_TYPE pthread_mutex_t
#endif /* HAVE_PTHREAD_H */
#endif /* USE_THREADS_POSIX */
#include "polarsslthreadlock.h"
/* number of thread locks */
#define NUMT 2
/* This array will store all of the mutexes available to PolarSSL. */
static MUTEX_TYPE *mutex_buf = NULL;
int polarsslthreadlock_thread_setup(void)
{
int i;
int ret;
mutex_buf = malloc(NUMT * sizeof(MUTEX_TYPE));
if (!mutex_buf)
return 0; /* error, no number of threads defined */
#ifdef HAVE_PTHREAD_H
for (i = 0; i < NUMT; i++)
{
ret = pthread_mutex_init(&mutex_buf[i], NULL);
if(ret)
return 0; /* pthread_mutex_init failed */
}
#endif /* HAVE_PTHREAD_H */
return 1; /* OK */
}
int polarsslthreadlock_thread_cleanup(void)
{
int i;
int ret;
if (!mutex_buf)
return 0; /* error, no threads locks defined */
#ifdef HAVE_PTHREAD_H
for (i = 0; i < NUMT; i++)
{
ret = pthread_mutex_destroy(&mutex_buf[i]);
if(ret)
return 0; /* pthread_mutex_destroy failed */
}
#endif /* HAVE_PTHREAD_H */
free(mutex_buf);
mutex_buf = NULL;
return 1; /* OK */
}
int polarsslthreadlock_lock_function(int n)
{
int ret;
#ifdef HAVE_PTHREAD_H
if(n < NUMT)
{
ret = pthread_mutex_lock(&mutex_buf[n]);
if(ret)
{
DEBUGF(fprintf(stderr, "Error: pthread_mutex_lock failed\n"));
return 0; /* pthread_mutex_lock failed */
}
}
#endif /* HAVE_PTHREAD_H */
return 1; /* OK */
}
int polarsslthreadlock_unlock_function(int n)
{
int ret;
#ifdef HAVE_PTHREAD_H
if(n < NUMT)
{
ret = pthread_mutex_unlock(&mutex_buf[n]);
if(ret)
{
DEBUGF(fprintf(stderr, "Error: pthread_mutex_unlock failed\n"));
return 0; /* pthread_mutex_unlock failed */
}
}
#endif /* HAVE_PTHREAD_H */
return 1; /* OK */
}
#endif /* USE_POLARSSL */
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