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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:50:10 +01:00
parent fd13a0f851
commit 449bd8303e
442 changed files with 86735 additions and 89438 deletions
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98
library/threading.c
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@ -40,9 +40,9 @@
#endif /* !_WIN32 && (unix || __unix || __unix__ ||
* (__APPLE__ && __MACH__)) */
#if !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) )
#if !((defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L) || \
(defined(_POSIX_THREAD_SAFE_FUNCTIONS) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L))
/*
* This is a convenience shorthand macro to avoid checking the long
* preprocessor conditions above. Ideally, we could expose this macro in
@ -51,21 +51,22 @@
* we keep it private by only defining it in this file
*/
#if ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) )
#if !(defined(_WIN32) && !defined(EFIX64) && !defined(EFI32))
#define THREADING_USE_GMTIME
#endif /* ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) ) */
#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) ) */
#endif /* MBEDTLS_HAVE_TIME_DATE && !MBEDTLS_PLATFORM_GMTIME_R_ALT */
#if defined(MBEDTLS_THREADING_PTHREAD)
static void threading_mutex_init_pthread( mbedtls_threading_mutex_t *mutex )
static void threading_mutex_init_pthread(mbedtls_threading_mutex_t *mutex)
{
if( mutex == NULL )
if (mutex == NULL) {
return;
}
/* A nonzero value of is_valid indicates a successfully initialized
* mutex. This is a workaround for not being able to return an error
@ -73,44 +74,49 @@ static void threading_mutex_init_pthread( mbedtls_threading_mutex_t *mutex )
* if is_valid is nonzero. The Mbed TLS unit test code uses this field
* to distinguish more states of the mutex; see
* tests/src/threading_helpers for details. */
mutex->is_valid = pthread_mutex_init( &mutex->mutex, NULL ) == 0;
mutex->is_valid = pthread_mutex_init(&mutex->mutex, NULL) == 0;
}
static void threading_mutex_free_pthread( mbedtls_threading_mutex_t *mutex )
static void threading_mutex_free_pthread(mbedtls_threading_mutex_t *mutex)
{
if( mutex == NULL || !mutex->is_valid )
if (mutex == NULL || !mutex->is_valid) {
return;
}
(void) pthread_mutex_destroy( &mutex->mutex );
(void) pthread_mutex_destroy(&mutex->mutex);
mutex->is_valid = 0;
}
static int threading_mutex_lock_pthread( mbedtls_threading_mutex_t *mutex )
static int threading_mutex_lock_pthread(mbedtls_threading_mutex_t *mutex)
{
if( mutex == NULL || ! mutex->is_valid )
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
if (mutex == NULL || !mutex->is_valid) {
return MBEDTLS_ERR_THREADING_BAD_INPUT_DATA;
}
if( pthread_mutex_lock( &mutex->mutex ) != 0 )
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
if (pthread_mutex_lock(&mutex->mutex) != 0) {
return MBEDTLS_ERR_THREADING_MUTEX_ERROR;
}
return( 0 );
return 0;
}
static int threading_mutex_unlock_pthread( mbedtls_threading_mutex_t *mutex )
static int threading_mutex_unlock_pthread(mbedtls_threading_mutex_t *mutex)
{
if( mutex == NULL || ! mutex->is_valid )
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
if (mutex == NULL || !mutex->is_valid) {
return MBEDTLS_ERR_THREADING_BAD_INPUT_DATA;
}
if( pthread_mutex_unlock( &mutex->mutex ) != 0 )
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
if (pthread_mutex_unlock(&mutex->mutex) != 0) {
return MBEDTLS_ERR_THREADING_MUTEX_ERROR;
}
return( 0 );
return 0;
}
void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t * ) = threading_mutex_init_pthread;
void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t * ) = threading_mutex_free_pthread;
int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t * ) = threading_mutex_lock_pthread;
int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t * ) = threading_mutex_unlock_pthread;
void (*mbedtls_mutex_init)(mbedtls_threading_mutex_t *) = threading_mutex_init_pthread;
void (*mbedtls_mutex_free)(mbedtls_threading_mutex_t *) = threading_mutex_free_pthread;
int (*mbedtls_mutex_lock)(mbedtls_threading_mutex_t *) = threading_mutex_lock_pthread;
int (*mbedtls_mutex_unlock)(mbedtls_threading_mutex_t *) = threading_mutex_unlock_pthread;
/*
* With pthreads we can statically initialize mutexes
@ -120,29 +126,29 @@ int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t * ) = threading_mutex_unl
#endif /* MBEDTLS_THREADING_PTHREAD */
#if defined(MBEDTLS_THREADING_ALT)
static int threading_mutex_fail( mbedtls_threading_mutex_t *mutex )
static int threading_mutex_fail(mbedtls_threading_mutex_t *mutex)
{
((void) mutex );
return( MBEDTLS_ERR_THREADING_BAD_INPUT_DATA );
((void) mutex);
return MBEDTLS_ERR_THREADING_BAD_INPUT_DATA;
}
static void threading_mutex_dummy( mbedtls_threading_mutex_t *mutex )
static void threading_mutex_dummy(mbedtls_threading_mutex_t *mutex)
{
((void) mutex );
((void) mutex);
return;
}
void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t * ) = threading_mutex_dummy;
void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t * ) = threading_mutex_dummy;
int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t * ) = threading_mutex_fail;
int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t * ) = threading_mutex_fail;
void (*mbedtls_mutex_init)(mbedtls_threading_mutex_t *) = threading_mutex_dummy;
void (*mbedtls_mutex_free)(mbedtls_threading_mutex_t *) = threading_mutex_dummy;
int (*mbedtls_mutex_lock)(mbedtls_threading_mutex_t *) = threading_mutex_fail;
int (*mbedtls_mutex_unlock)(mbedtls_threading_mutex_t *) = threading_mutex_fail;
/*
* Set functions pointers and initialize global mutexes
*/
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 * ) )
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 *))
{
mbedtls_mutex_init = mutex_init;
mbedtls_mutex_free = mutex_free;
@ -150,23 +156,23 @@ void mbedtls_threading_set_alt( void (*mutex_init)( mbedtls_threading_mutex_t *
mbedtls_mutex_unlock = mutex_unlock;
#if defined(MBEDTLS_FS_IO)
mbedtls_mutex_init( &mbedtls_threading_readdir_mutex );
mbedtls_mutex_init(&mbedtls_threading_readdir_mutex);
#endif
#if defined(THREADING_USE_GMTIME)
mbedtls_mutex_init( &mbedtls_threading_gmtime_mutex );
mbedtls_mutex_init(&mbedtls_threading_gmtime_mutex);
#endif
}
/*
* Free global mutexes
*/
void mbedtls_threading_free_alt( void )
void mbedtls_threading_free_alt(void)
{
#if defined(MBEDTLS_FS_IO)
mbedtls_mutex_free( &mbedtls_threading_readdir_mutex );
mbedtls_mutex_free(&mbedtls_threading_readdir_mutex);
#endif
#if defined(THREADING_USE_GMTIME)
mbedtls_mutex_free( &mbedtls_threading_gmtime_mutex );
mbedtls_mutex_free(&mbedtls_threading_gmtime_mutex);
#endif
}
#endif /* MBEDTLS_THREADING_ALT */