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113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
/**
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* \file threading_helpers.h
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*
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* \brief This file contains the prototypes of helper functions for the purpose
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* of testing threading.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef THREADING_HELPERS_H
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#define THREADING_HELPERS_H
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#if defined MBEDTLS_THREADING_C
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#include "mbedtls/private_access.h"
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#include "mbedtls/build_info.h"
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/* Most fields of publicly available structs are private and are wrapped with
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* MBEDTLS_PRIVATE macro. This define allows tests to access the private fields
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* directly (without using the MBEDTLS_PRIVATE wrapper). */
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#define MBEDTLS_ALLOW_PRIVATE_ACCESS
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#define MBEDTLS_ERR_THREADING_THREAD_ERROR -0x001F
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#if defined(MBEDTLS_THREADING_PTHREAD)
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#include <pthread.h>
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#endif /* MBEDTLS_THREADING_PTHREAD */
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#if defined(MBEDTLS_THREADING_ALT)
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/* You should define the mbedtls_test_thread_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
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* function pointers for test threads. If used, this
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* function must be called once in the main thread
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* before any other MbedTLS function is called.
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*
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* \note These functions are part of the testing API only and
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* thus not considered part of the public API of
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* MbedTLS and thus may change without notice.
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*
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* \param thread_create The thread create function implementation.
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* \param thread_join The thread join function implementation.
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*/
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void mbedtls_test_thread_set_alt(int (*thread_create)(mbedtls_test_thread_t *thread,
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void *(*thread_func)(
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void *),
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void *thread_data),
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int (*thread_join)(mbedtls_test_thread_t *thread));
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#else /* MBEDTLS_THREADING_ALT*/
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typedef struct mbedtls_test_thread_t {
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#if defined(MBEDTLS_THREADING_PTHREAD)
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pthread_t MBEDTLS_PRIVATE(thread);
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#else /* MBEDTLS_THREADING_PTHREAD */
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/* Make sure this struct is always non-empty */
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unsigned dummy;
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#endif
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} mbedtls_test_thread_t;
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#endif /* MBEDTLS_THREADING_ALT*/
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/**
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* \brief The function pointers for thread create and thread
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* join.
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*
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* \note These functions are part of the testing API only
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* and thus not considered part of the public API of
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* MbedTLS and thus may change without notice.
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*
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* \note All these functions are expected to work or
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* the result will be undefined.
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*/
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extern int (*mbedtls_test_thread_create)(mbedtls_test_thread_t *thread,
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void *(*thread_func)(void *), void *thread_data);
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extern int (*mbedtls_test_thread_join)(mbedtls_test_thread_t *thread);
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#if defined(MBEDTLS_THREADING_PTHREAD) && defined(MBEDTLS_TEST_HOOKS)
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#define MBEDTLS_TEST_MUTEX_USAGE
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#endif
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#if defined(MBEDTLS_TEST_MUTEX_USAGE)
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/**
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* Activate the mutex usage verification framework. See threading_helpers.c for
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* information.
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*/
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void mbedtls_test_mutex_usage_init(void);
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/**
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* Deactivate the mutex usage verification framework. See threading_helpers.c
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* for information.
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*/
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void mbedtls_test_mutex_usage_end(void);
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/**
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* Call this function after executing a test case to check for mutex usage
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* errors.
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*/
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void mbedtls_test_mutex_usage_check(void);
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#endif /* MBEDTLS_TEST_MUTEX_USAGE */
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#endif /* MBEDTLS_THREADING_C */
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#endif /* THREADING_HELPERS_H */
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