mbed TLS library
Dependents: HTTPClient-SSL WS_SERVER
Diff: polarssl/threading.c
- Revision:
- 0:137634ff4186
diff -r 000000000000 -r 137634ff4186 polarssl/threading.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/polarssl/threading.c Thu Jun 11 03:27:03 2015 +0000 @@ -0,0 +1,111 @@ +/* + * 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(POLARSSL_CONFIG_FILE) +#include "polarssl/config.h" +#else +#include POLARSSL_CONFIG_FILE +#endif + +#if defined(POLARSSL_THREADING_C) + +#include "polarssl/threading.h" + +#if defined(POLARSSL_THREADING_PTHREAD) +static int threading_mutex_init_pthread( threading_mutex_t *mutex ) +{ + if( mutex == NULL ) + return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); + + if( pthread_mutex_init( mutex, NULL ) != 0 ) + return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); + + return( 0 ); +} + +static int threading_mutex_free_pthread( threading_mutex_t *mutex ) +{ + if( mutex == NULL ) + return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); + + if( pthread_mutex_destroy( mutex ) != 0 ) + return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); + + return( 0 ); +} + +static int threading_mutex_lock_pthread( threading_mutex_t *mutex ) +{ + if( mutex == NULL ) + return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); + + if( pthread_mutex_lock( mutex ) != 0 ) + return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); + + return( 0 ); +} + +static int threading_mutex_unlock_pthread( threading_mutex_t *mutex ) +{ + if( mutex == NULL ) + return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); + + if( pthread_mutex_unlock( mutex ) != 0 ) + return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); + + return( 0 ); +} + +int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_init_pthread; +int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_free_pthread; +int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_lock_pthread; +int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_unlock_pthread; +#endif /* POLARSSL_THREADING_PTHREAD */ + +#if defined(POLARSSL_THREADING_ALT) +static int threading_mutex_fail( threading_mutex_t *mutex ) +{ + ((void) mutex ); + return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); +} + +int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_fail; +int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_fail; +int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_fail; +int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_fail; + +int threading_set_alt( int (*mutex_init)( threading_mutex_t * ), + int (*mutex_free)( threading_mutex_t * ), + int (*mutex_lock)( threading_mutex_t * ), + int (*mutex_unlock)( threading_mutex_t * ) ) +{ + polarssl_mutex_init = mutex_init; + polarssl_mutex_free = mutex_free; + polarssl_mutex_lock = mutex_lock; + polarssl_mutex_unlock = mutex_unlock; + + return( 0 ); +} +#endif /* POLARSSL_THREADING_ALT_C */ + +#endif /* POLARSSL_THREADING_C */ +