mbed TLS v2.12.0

threading.h
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1
6 /*
7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 *
22 * This file is part of mbed TLS (https://tls.mbed.org)
23 */
24 #ifndef MBEDTLS_THREADING_H
25 #define MBEDTLS_THREADING_H
26
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32
33 #include <stdlib.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 #define MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE -0x001A
40 #define MBEDTLS_ERR_THREADING_BAD_INPUT_DATA -0x001C
41 #define MBEDTLS_ERR_THREADING_MUTEX_ERROR -0x001E
43 #if defined(MBEDTLS_THREADING_PTHREAD)
44 #include <pthread.h>
45 typedef struct
46 {
47 pthread_mutex_t mutex;
48 char is_valid;
49 } mbedtls_threading_mutex_t;
50 #endif
51
52 #if defined(MBEDTLS_THREADING_ALT)
53 /* You should define the mbedtls_threading_mutex_t type in your header */
54 #include "threading_alt.h"
55
74 void mbedtls_threading_set_alt( void (*mutex_init)( mbedtls_threading_mutex_t * ),
75 void (*mutex_free)( mbedtls_threading_mutex_t * ),
76 int (*mutex_lock)( mbedtls_threading_mutex_t * ),
77 int (*mutex_unlock)( mbedtls_threading_mutex_t * ) );
78
82 void mbedtls_threading_free_alt( void );
83 #endif /* MBEDTLS_THREADING_ALT */
84
85 #if defined(MBEDTLS_THREADING_C)
86 /*
87 * The function pointers for mutex_init, mutex_free, mutex_ and mutex_unlock
88 *
89 * All these functions are expected to work or the result will be undefined.
90 */
91 extern void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t *mutex );
92 extern void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t *mutex );
93 extern int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t *mutex );
94 extern int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t *mutex );
95
96 /*
97 * Global mutexes
98 */
99 #if defined(MBEDTLS_FS_IO)
100 extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
101 #endif
102 #endif /* MBEDTLS_THREADING_C */
103
104 #ifdef __cplusplus
105 }
106 #endif
107
108 #endif /* threading.h */
config.h
Configuration options (set of defines)