mirror of
https://github.com/Mbed-TLS/mbedtls.git
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135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
/*
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* Threading abstraction layer
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_THREADING_C)
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#include "polarssl/threading.h"
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#if defined(POLARSSL_THREADING_DUMMY)
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static int threading_mutex_init_dummy( threading_mutex_t *mutex )
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{
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((void) mutex );
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return( 0 );
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}
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static int threading_mutex_free_dummy( threading_mutex_t *mutex )
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{
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((void) mutex );
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return( 0 );
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}
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static int threading_mutex_lock_dummy( threading_mutex_t *mutex )
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{
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((void) mutex );
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return( 0 );
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}
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static int threading_mutex_unlock_dummy( threading_mutex_t *mutex )
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{
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((void) mutex );
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return( 0 );
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}
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int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_init_dummy;
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int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_free_dummy;
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int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_lock_dummy;
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int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_unlock_dummy;
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#endif /* POLARSSL_THREADING_DUMMY */
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#if defined(POLARSSL_THREADING_PTHREAD)
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static int threading_mutex_init_pthread( threading_mutex_t *mutex )
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{
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if( mutex == NULL )
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return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA );
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if( pthread_mutex_init( mutex, NULL ) != 0 )
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return( POLARSSL_ERR_THREADING_MUTEX_ERROR );
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return( 0 );
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}
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static int threading_mutex_free_pthread( threading_mutex_t *mutex )
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{
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if( mutex == NULL )
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return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA );
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if( pthread_mutex_destroy( mutex ) != 0 )
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return( POLARSSL_ERR_THREADING_MUTEX_ERROR );
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return( 0 );
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}
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static int threading_mutex_lock_pthread( threading_mutex_t *mutex )
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{
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if( mutex == NULL )
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return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA );
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if( pthread_mutex_lock( mutex ) != 0 )
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return( POLARSSL_ERR_THREADING_MUTEX_ERROR );
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return( 0 );
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}
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static int threading_mutex_unlock_pthread( threading_mutex_t *mutex )
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{
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if( mutex == NULL )
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return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA );
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if( pthread_mutex_unlock( mutex ) != 0 )
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return( POLARSSL_ERR_THREADING_MUTEX_ERROR );
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return( 0 );
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}
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int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_init_pthread;
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int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_free_pthread;
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int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_lock_pthread;
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int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_unlock_pthread;
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#endif /* POLARSSL_THREADING_PTHREAD */
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#if defined(POLARSSL_THREADING_ALT)
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int (*polarssl_mutex_init)( threading_mutex_t * ) = NULL;
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int (*polarssl_mutex_free)( threading_mutex_t * ) = NULL;
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int (*polarssl_mutex_lock)( threading_mutex_t * ) = NULL;
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int (*polarssl_mutex_unlock)( threading_mutex_t * ) = NULL;
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int threading_set_own( int (*mutex_init)( threading_mutex_t * ),
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int (*mutex_free)( threading_mutex_t * ),
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int (*mutex_lock)( threading_mutex_t * ),
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int (*mutex_unlock)( threading_mutex_t * ) )
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{
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polarssl_mutex_init = mutex_init;
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polarssl_mutex_free = mutex_free;
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polarssl_mutex_lock = mutex_lock;
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polarssl_mutex_unlock = mutex_unlock;
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return( 0 );
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}
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#endif /* POLARSSL_THREADING_ALT_C */
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#endif /* POLARSSL_THREADING_C */
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