proxmark3/common/mbedtls/threading.h
Oleg Moiseenko 700d868794 move from polarssl to mbedtls (#708)
* update polarssl to mbedtls
* fix a warning in armsrc/iso15693
* added random generator and ecdsa test
* added signature check to test
* move crypto lib to client directory
2018-11-19 09:02:38 +01:00

111 lines
3.8 KiB
C

/**
* \file threading.h
*
* \brief Threading abstraction layer
*/
/*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: GPL-2.0
*
* 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.
*
* 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 mbedtls_threading_mutex_t
{
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
*/
#if defined(MBEDTLS_FS_IO)
extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
#endif
#endif /* MBEDTLS_THREADING_C */
#ifdef __cplusplus
}
#endif
#endif /* threading.h */