87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/**
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* \file threading.h
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*
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* \brief Threading abstraction layer
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_THREADING_H
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#define POLARSSL_THREADING_H
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#if !defined(POLARSSL_CONFIG_FILE)
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#include "config.h"
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#else
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#include POLARSSL_CONFIG_FILE
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#endif
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define POLARSSL_ERR_THREADING_FEATURE_UNAVAILABLE -0x001A /**< The selected feature is not available. */
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#define POLARSSL_ERR_THREADING_BAD_INPUT_DATA -0x001C /**< Bad input parameters to function. */
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#define POLARSSL_ERR_THREADING_MUTEX_ERROR -0x001E /**< Locking / unlocking / free failed with error code. */
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#if defined(POLARSSL_THREADING_PTHREAD)
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#include <pthread.h>
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typedef pthread_mutex_t threading_mutex_t;
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#endif
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#if defined(POLARSSL_THREADING_ALT)
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/* You should define the threading_mutex_t type in your header */
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#include "threading_alt.h"
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/**
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* \brief Set your alternate threading implementation function
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* pointers
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*
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* \param mutex_init the init function implementation
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* \param mutex_free the free function implementation
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* \param mutex_lock the lock function implementation
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* \param mutex_unlock the unlock function implementation
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*
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* \return 0 if successful
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*/
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int threading_set_alt( int (*mutex_init)( threading_mutex_t * ),
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int (*mutex_free)( threading_mutex_t * ),
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int (*mutex_lock)( threading_mutex_t * ),
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int (*mutex_unlock)( threading_mutex_t * ) );
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#endif /* POLARSSL_THREADING_ALT_C */
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/*
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* The function pointers for mutex_init, mutex_free, mutex_ and mutex_unlock
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*
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* All these functions are expected to work or the result will be undefined.
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*/
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extern int (*polarssl_mutex_init)( threading_mutex_t *mutex );
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extern int (*polarssl_mutex_free)( threading_mutex_t *mutex );
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extern int (*polarssl_mutex_lock)( threading_mutex_t *mutex );
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extern int (*polarssl_mutex_unlock)( threading_mutex_t *mutex );
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#ifdef __cplusplus
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}
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#endif
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#endif /* threading.h */
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