mirror of
https://github.com/cuberite/polarssl.git
synced 2025-10-30 19:20:40 -04:00
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/*
|
|
* Threading abstraction layer
|
|
*
|
|
* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
|
|
*
|
|
* This file is part of mbed TLS (https://tls.mbed.org)
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#if !defined(MBEDTLS_CONFIG_FILE)
|
|
#include "mbedtls/config.h"
|
|
#else
|
|
#include MBEDTLS_CONFIG_FILE
|
|
#endif
|
|
|
|
#if defined(MBEDTLS_THREADING_C)
|
|
|
|
#include "mbedtls/threading.h"
|
|
|
|
#if defined(MBEDTLS_THREADING_PTHREAD)
|
|
static void threading_mutex_init_pthread( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
if( mutex == NULL )
|
|
return;
|
|
|
|
mutex->is_valid = pthread_mutex_init( &mutex->mutex, NULL ) == 0;
|
|
}
|
|
|
|
static void threading_mutex_free_pthread( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
if( mutex == NULL )
|
|
return;
|
|
|
|
(void) pthread_mutex_destroy( &mutex->mutex );
|
|
}
|
|
|
|
static int threading_mutex_lock_pthread( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
if( mutex == NULL || ! mutex->is_valid )
|
|
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
|
|
|
|
if( pthread_mutex_lock( &mutex->mutex ) != 0 )
|
|
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
static int threading_mutex_unlock_pthread( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
if( mutex == NULL || ! mutex->is_valid )
|
|
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
|
|
|
|
if( pthread_mutex_unlock( &mutex->mutex ) != 0 )
|
|
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t * ) = threading_mutex_init_pthread;
|
|
void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t * ) = threading_mutex_free_pthread;
|
|
int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t * ) = threading_mutex_lock_pthread;
|
|
int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t * ) = threading_mutex_unlock_pthread;
|
|
#endif /* MBEDTLS_THREADING_PTHREAD */
|
|
|
|
#if defined(MBEDTLS_THREADING_ALT)
|
|
static int threading_mutex_fail( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
((void) mutex );
|
|
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
|
|
}
|
|
static void threading_mutex_dummy( mbedtls_threading_mutex_t *mutex )
|
|
{
|
|
((void) mutex );
|
|
return;
|
|
}
|
|
|
|
void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t * ) = threading_mutex_dummy;
|
|
void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t * ) = threading_mutex_dummy;
|
|
int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t * ) = threading_mutex_fail;
|
|
int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t * ) = threading_mutex_fail;
|
|
|
|
int mbedtls_threading_set_alt( int (*mutex_init)( mbedtls_threading_mutex_t * ),
|
|
int (*mutex_free)( mbedtls_threading_mutex_t * ),
|
|
int (*mutex_lock)( mbedtls_threading_mutex_t * ),
|
|
int (*mutex_unlock)( mbedtls_threading_mutex_t * ) )
|
|
{
|
|
mbedtls_mutex_init = mutex_init;
|
|
mbedtls_mutex_free = mutex_free;
|
|
mbedtls_mutex_lock = mutex_lock;
|
|
mbedtls_mutex_unlock = mutex_unlock;
|
|
|
|
return( 0 );
|
|
}
|
|
#endif /* MBEDTLS_THREADING_ALT */
|
|
|
|
#endif /* MBEDTLS_THREADING_C */
|