mbed TLS library
Dependents: HTTPClient-SSL WS_SERVER
polarssl/threading.c@0:137634ff4186, 2015-06-11 (annotated)
- Committer:
- ansond
- Date:
- Thu Jun 11 03:27:03 2015 +0000
- Revision:
- 0:137634ff4186
initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ansond | 0:137634ff4186 | 1 | /* |
ansond | 0:137634ff4186 | 2 | * Threading abstraction layer |
ansond | 0:137634ff4186 | 3 | * |
ansond | 0:137634ff4186 | 4 | * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved |
ansond | 0:137634ff4186 | 5 | * |
ansond | 0:137634ff4186 | 6 | * This file is part of mbed TLS (https://tls.mbed.org) |
ansond | 0:137634ff4186 | 7 | * |
ansond | 0:137634ff4186 | 8 | * This program is free software; you can redistribute it and/or modify |
ansond | 0:137634ff4186 | 9 | * it under the terms of the GNU General Public License as published by |
ansond | 0:137634ff4186 | 10 | * the Free Software Foundation; either version 2 of the License, or |
ansond | 0:137634ff4186 | 11 | * (at your option) any later version. |
ansond | 0:137634ff4186 | 12 | * |
ansond | 0:137634ff4186 | 13 | * This program is distributed in the hope that it will be useful, |
ansond | 0:137634ff4186 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ansond | 0:137634ff4186 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
ansond | 0:137634ff4186 | 16 | * GNU General Public License for more details. |
ansond | 0:137634ff4186 | 17 | * |
ansond | 0:137634ff4186 | 18 | * You should have received a copy of the GNU General Public License along |
ansond | 0:137634ff4186 | 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
ansond | 0:137634ff4186 | 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
ansond | 0:137634ff4186 | 21 | */ |
ansond | 0:137634ff4186 | 22 | |
ansond | 0:137634ff4186 | 23 | #if !defined(POLARSSL_CONFIG_FILE) |
ansond | 0:137634ff4186 | 24 | #include "polarssl/config.h" |
ansond | 0:137634ff4186 | 25 | #else |
ansond | 0:137634ff4186 | 26 | #include POLARSSL_CONFIG_FILE |
ansond | 0:137634ff4186 | 27 | #endif |
ansond | 0:137634ff4186 | 28 | |
ansond | 0:137634ff4186 | 29 | #if defined(POLARSSL_THREADING_C) |
ansond | 0:137634ff4186 | 30 | |
ansond | 0:137634ff4186 | 31 | #include "polarssl/threading.h" |
ansond | 0:137634ff4186 | 32 | |
ansond | 0:137634ff4186 | 33 | #if defined(POLARSSL_THREADING_PTHREAD) |
ansond | 0:137634ff4186 | 34 | static int threading_mutex_init_pthread( threading_mutex_t *mutex ) |
ansond | 0:137634ff4186 | 35 | { |
ansond | 0:137634ff4186 | 36 | if( mutex == NULL ) |
ansond | 0:137634ff4186 | 37 | return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); |
ansond | 0:137634ff4186 | 38 | |
ansond | 0:137634ff4186 | 39 | if( pthread_mutex_init( mutex, NULL ) != 0 ) |
ansond | 0:137634ff4186 | 40 | return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); |
ansond | 0:137634ff4186 | 41 | |
ansond | 0:137634ff4186 | 42 | return( 0 ); |
ansond | 0:137634ff4186 | 43 | } |
ansond | 0:137634ff4186 | 44 | |
ansond | 0:137634ff4186 | 45 | static int threading_mutex_free_pthread( threading_mutex_t *mutex ) |
ansond | 0:137634ff4186 | 46 | { |
ansond | 0:137634ff4186 | 47 | if( mutex == NULL ) |
ansond | 0:137634ff4186 | 48 | return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); |
ansond | 0:137634ff4186 | 49 | |
ansond | 0:137634ff4186 | 50 | if( pthread_mutex_destroy( mutex ) != 0 ) |
ansond | 0:137634ff4186 | 51 | return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); |
ansond | 0:137634ff4186 | 52 | |
ansond | 0:137634ff4186 | 53 | return( 0 ); |
ansond | 0:137634ff4186 | 54 | } |
ansond | 0:137634ff4186 | 55 | |
ansond | 0:137634ff4186 | 56 | static int threading_mutex_lock_pthread( threading_mutex_t *mutex ) |
ansond | 0:137634ff4186 | 57 | { |
ansond | 0:137634ff4186 | 58 | if( mutex == NULL ) |
ansond | 0:137634ff4186 | 59 | return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); |
ansond | 0:137634ff4186 | 60 | |
ansond | 0:137634ff4186 | 61 | if( pthread_mutex_lock( mutex ) != 0 ) |
ansond | 0:137634ff4186 | 62 | return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); |
ansond | 0:137634ff4186 | 63 | |
ansond | 0:137634ff4186 | 64 | return( 0 ); |
ansond | 0:137634ff4186 | 65 | } |
ansond | 0:137634ff4186 | 66 | |
ansond | 0:137634ff4186 | 67 | static int threading_mutex_unlock_pthread( threading_mutex_t *mutex ) |
ansond | 0:137634ff4186 | 68 | { |
ansond | 0:137634ff4186 | 69 | if( mutex == NULL ) |
ansond | 0:137634ff4186 | 70 | return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); |
ansond | 0:137634ff4186 | 71 | |
ansond | 0:137634ff4186 | 72 | if( pthread_mutex_unlock( mutex ) != 0 ) |
ansond | 0:137634ff4186 | 73 | return( POLARSSL_ERR_THREADING_MUTEX_ERROR ); |
ansond | 0:137634ff4186 | 74 | |
ansond | 0:137634ff4186 | 75 | return( 0 ); |
ansond | 0:137634ff4186 | 76 | } |
ansond | 0:137634ff4186 | 77 | |
ansond | 0:137634ff4186 | 78 | int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_init_pthread; |
ansond | 0:137634ff4186 | 79 | int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_free_pthread; |
ansond | 0:137634ff4186 | 80 | int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_lock_pthread; |
ansond | 0:137634ff4186 | 81 | int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_unlock_pthread; |
ansond | 0:137634ff4186 | 82 | #endif /* POLARSSL_THREADING_PTHREAD */ |
ansond | 0:137634ff4186 | 83 | |
ansond | 0:137634ff4186 | 84 | #if defined(POLARSSL_THREADING_ALT) |
ansond | 0:137634ff4186 | 85 | static int threading_mutex_fail( threading_mutex_t *mutex ) |
ansond | 0:137634ff4186 | 86 | { |
ansond | 0:137634ff4186 | 87 | ((void) mutex ); |
ansond | 0:137634ff4186 | 88 | return( POLARSSL_ERR_THREADING_BAD_INPUT_DATA ); |
ansond | 0:137634ff4186 | 89 | } |
ansond | 0:137634ff4186 | 90 | |
ansond | 0:137634ff4186 | 91 | int (*polarssl_mutex_init)( threading_mutex_t * ) = threading_mutex_fail; |
ansond | 0:137634ff4186 | 92 | int (*polarssl_mutex_free)( threading_mutex_t * ) = threading_mutex_fail; |
ansond | 0:137634ff4186 | 93 | int (*polarssl_mutex_lock)( threading_mutex_t * ) = threading_mutex_fail; |
ansond | 0:137634ff4186 | 94 | int (*polarssl_mutex_unlock)( threading_mutex_t * ) = threading_mutex_fail; |
ansond | 0:137634ff4186 | 95 | |
ansond | 0:137634ff4186 | 96 | int threading_set_alt( int (*mutex_init)( threading_mutex_t * ), |
ansond | 0:137634ff4186 | 97 | int (*mutex_free)( threading_mutex_t * ), |
ansond | 0:137634ff4186 | 98 | int (*mutex_lock)( threading_mutex_t * ), |
ansond | 0:137634ff4186 | 99 | int (*mutex_unlock)( threading_mutex_t * ) ) |
ansond | 0:137634ff4186 | 100 | { |
ansond | 0:137634ff4186 | 101 | polarssl_mutex_init = mutex_init; |
ansond | 0:137634ff4186 | 102 | polarssl_mutex_free = mutex_free; |
ansond | 0:137634ff4186 | 103 | polarssl_mutex_lock = mutex_lock; |
ansond | 0:137634ff4186 | 104 | polarssl_mutex_unlock = mutex_unlock; |
ansond | 0:137634ff4186 | 105 | |
ansond | 0:137634ff4186 | 106 | return( 0 ); |
ansond | 0:137634ff4186 | 107 | } |
ansond | 0:137634ff4186 | 108 | #endif /* POLARSSL_THREADING_ALT_C */ |
ansond | 0:137634ff4186 | 109 | |
ansond | 0:137634ff4186 | 110 | #endif /* POLARSSL_THREADING_C */ |
ansond | 0:137634ff4186 | 111 |