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Add ..._GOTO_EXIT macro

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Signed-off-by: Ryan Everett <ryan.everett@arm.com>
This commit is contained in:
Ryan Everett 2024-01-23 18:24:36 +00:00
parent d6d6a76e46
commit 90afb132e0
1 changed files with 40 additions and 0 deletions
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40
library/psa_crypto_core.h
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@ -158,6 +158,46 @@ typedef enum {
#define PSA_KEY_SLOT_MUTEX_LOCKFUNC_RETURN(op) do { } while (0)
#endif
/** If threading is enabled: perform a lock or unlock operation on the
* key slot mutex.
* Call with parameter PSA_MUTEX_LOCK to perform a lock operation.
* Call with parameter PSA_MUTEX_UNLOCK to perform an unlock operation.
* This will goto the exit label if the operation fails,
* setting status to PSA_SERVICE_FAILURE if status was PSA_SUCCESS.
* If threading is not enabled, do nothing.
*
* Assumptions:
* psa_status_t status exists.
* Label exit: exists.
* op is PSA_MUTEX_LOCK or PSA_MUTEX_UNLOCK.
*/
#if defined(MBEDTLS_THREADING_C)
#define PSA_KEY_SLOT_MUTEX_LOCKFUNC_GOTO_EXIT(op) \
do \
{ \
if (op == PSA_MUTEX_LOCK) { \
if (mbedtls_mutex_lock( \
&mbedtls_threading_key_slot_mutex) != 0) { \
if (status == PSA_SUCCESS) { \
status = PSA_ERROR_SERVICE_FAILURE; \
} \
goto exit; \
} \
} \
if (op == PSA_MUTEX_UNLOCK) { \
if (mbedtls_mutex_unlock( \
&mbedtls_threading_key_slot_mutex) != 0) { \
if (status == PSA_SUCCESS) { \
status = PSA_ERROR_SERVICE_FAILURE; \
} \
goto exit; \
} \
} \
} while (0);
#else
#define PSA_KEY_SLOT_MUTEX_LOCKFUNC_GOTO_EXIT(op) do { } while (0)
#endif
/* A mask of key attribute flags used only internally.
* Currently there aren't any. */
#define PSA_KA_MASK_INTERNAL_ONLY ( \