/usr/include/mbedtls/threading.h is in libmbedtls-dev 2.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /**
* \file threading.h
*
* \brief Threading abstraction layer
*/
/*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_THREADING_H
#define MBEDTLS_THREADING_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE -0x001A /**< The selected feature is not available. */
#define MBEDTLS_ERR_THREADING_BAD_INPUT_DATA -0x001C /**< Bad input parameters to function. */
#define MBEDTLS_ERR_THREADING_MUTEX_ERROR -0x001E /**< Locking / unlocking / free failed with error code. */
#if defined(MBEDTLS_THREADING_PTHREAD)
#include <pthread.h>
typedef struct
{
pthread_mutex_t mutex;
char is_valid;
} mbedtls_threading_mutex_t;
#endif
#if defined(MBEDTLS_THREADING_ALT)
/* You should define the mbedtls_threading_mutex_t type in your header */
#include "threading_alt.h"
/**
* \brief Set your alternate threading implementation function
* pointers and initialize global mutexes. If used, this
* function must be called once in the main thread before any
* other mbed TLS function is called, and
* mbedtls_threading_free_alt() must be called once in the main
* thread after all other mbed TLS functions.
*
* \note mutex_init() and mutex_free() don't return a status code.
* If mutex_init() fails, it should leave its argument (the
* mutex) in a state such that mutex_lock() will fail when
* called with this argument.
*
* \param mutex_init the init function implementation
* \param mutex_free the free function implementation
* \param mutex_lock the lock function implementation
* \param mutex_unlock the unlock function implementation
*/
void mbedtls_threading_set_alt( void (*mutex_init)( mbedtls_threading_mutex_t * ),
void (*mutex_free)( mbedtls_threading_mutex_t * ),
int (*mutex_lock)( mbedtls_threading_mutex_t * ),
int (*mutex_unlock)( mbedtls_threading_mutex_t * ) );
/**
* \brief Free global mutexes.
*/
void mbedtls_threading_free_alt( void );
#endif /* MBEDTLS_THREADING_ALT */
#if defined(MBEDTLS_THREADING_C)
/*
* The function pointers for mutex_init, mutex_free, mutex_ and mutex_unlock
*
* All these functions are expected to work or the result will be undefined.
*/
extern void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t *mutex );
extern void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t *mutex );
extern int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t *mutex );
extern int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t *mutex );
/*
* Global mutexes
*/
extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
extern mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex;
#endif /* MBEDTLS_THREADING_C */
#ifdef __cplusplus
}
#endif
#endif /* threading.h */
|